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qtdeclarative/tests/auto/qml/qjsengine/tst_qjsengine.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtTest/QtTest>
#include <private/qqmldata_p.h>
#include <qjsengine.h>
#include <qjsvalueiterator.h>
#include <qstandarditemmodel.h>
#include <QtCore/qnumeric.h>
#include <qqmlengine.h>
#include <qqmlcomponent.h>
#include <stdlib.h>
#include <private/qv4alloca_p.h>
#include <private/qjsvalue_p.h>
#include <QScopeGuard>
#include <QUrl>
#include <QModelIndex>
#include <QtQml/qqmllist.h>
#include <QtQuickTestUtils/private/qmlutils_p.h>
#ifdef Q_CC_MSVC
#define NO_INLINE __declspec(noinline)
#else
#define NO_INLINE __attribute__((noinline))
#endif
using namespace Qt::StringLiterals;
Q_DECLARE_METATYPE(QList<int>)
Q_DECLARE_METATYPE(QObjectList)
class DateTimeHolder : public QObject
{
Q_OBJECT
Q_PROPERTY(QDateTime dateTime MEMBER m_dateTime NOTIFY dateTimeChanged)
Q_PROPERTY(QDate date MEMBER m_date NOTIFY dateChanged)
Q_PROPERTY(QTime time MEMBER m_time NOTIFY timeChanged)
Q_PROPERTY(QString string MEMBER m_string NOTIFY stringChanged)
signals:
void dateTimeChanged();
void dateChanged();
void timeChanged();
void stringChanged();
public:
QDateTime m_dateTime;
QDate m_date;
QTime m_time;
QString m_string;
};
class tst_QJSEngine : public QObject
{
Q_OBJECT
public:
tst_QJSEngine();
virtual ~tst_QJSEngine();
private slots:
void callQObjectSlot();
void constructWithParent();
void newObject();
void newArray();
void newArray_HooliganTask218092();
void newArray_HooliganTask233836();
void toScriptValueBuiltin_data();
void toScriptValueBuiltin();
void toScriptValueQmlBuiltin_data();
void toScriptValueQmlBuiltin();
void toScriptValueQtQml_data();
void toScriptValueQtQml();
void toScriptValuenotroundtripped_data();
void toScriptValuenotroundtripped();
void newVariant();
void newVariant_valueOfToString();
void newVariant_valueOfEnum();
void newRegExp();
void jsRegExp();
void newDate();
void jsParseDate();
void newQObject();
void newQObjectRace();
void newQObject_ownership();
void newQObject_deletedEngine();
void newQObjectPropertyCache();
void newQMetaObject();
void exceptionInSlot();
void globalObjectProperties();
void globalObjectEquals();
void globalObjectProperties_enumerate();
void createGlobalObjectProperty();
void globalObjectWithCustomPrototype();
void builtinFunctionNames_data();
void builtinFunctionNames();
void evaluate_data();
void evaluate();
void errorMessage_QT679();
void valueConversion_basic();
void valueConversion_QVariant();
void valueConversion_basic2();
void valueConversion_dateTime();
void valueConversion_RegularExpression();
void castWithMultipleInheritance();
void collectGarbage();
void collectGarbageNestedWrappersTwoEngines();
void gcWithNestedDataStructure();
void stacktrace();
void unshiftAndSort();
void unshiftAndPushAndSort();
void numberParsing_data();
void numberParsing();
void automaticSemicolonInsertion();
void errorConstructors();
void argumentsProperty_globalContext();
void argumentsProperty_JS();
void jsNumberClass();
void jsForInStatement_simple();
void jsForInStatement_prototypeProperties();
void jsForInStatement_mutateWhileIterating();
void jsForInStatement_arrays();
void jsForInStatement_constant();
void with_constant();
void stringObjects();
void jsStringPrototypeReplaceBugs();
void getterSetterThisObject_global();
void getterSetterThisObject_plain();
void getterSetterThisObject_prototypeChain();
void jsContinueInSwitch();
void jsShadowReadOnlyPrototypeProperty();
void jsReservedWords_data();
void jsReservedWords();
void jsFutureReservedWords_data();
void jsFutureReservedWords();
void jsThrowInsideWithStatement();
void reentrancy_globalObjectProperties();
void reentrancy_Array();
void reentrancy_objectCreation();
void jsIncDecNonObjectProperty();
void JSON_Parse();
void JSON_Stringify_data();
void JSON_Stringify();
void JSON_Stringify_WithReplacer_QTBUG_95324();
void arraySort();
void lookupOnDisappearingProperty();
void arrayConcat();
void recursiveBoundFunctions();
void qRegularExpressionImport_data();
void qRegularExpressionImport();
void qRegularExpressionExport_data();
void qRegularExpressionExport();
void dateRoundtripJSQtJS();
void dateRoundtripQtJSQt();
void dateConversionJSQt();
void dateConversionQtJS();
void functionPrototypeExtensions();
void threadedEngine();
void functionDeclarationsInConditionals();
void arrayPop_QTBUG_35979();
void array_unshift_QTBUG_52065();
void array_join_QTBUG_53672();
void regexpLastMatch();
void regexpLastIndex();
void indexedAccesses();
void prototypeChainGc();
void prototypeChainGc_QTBUG38299();
void dynamicProperties();
void scopeOfEvaluate();
void callConstants();
void installTranslationFunctions();
void translateScript_data();
void translateScript();
void translateScript_crossScript();
void translateScript_trNoOp();
void translateScript_callQsTrFromCpp();
void translateWithInvalidArgs_data();
void translateWithInvalidArgs();
void translationContext_data();
void translationContext();
void translateScriptIdBased();
void translateScriptUnicode_data();
void translateScriptUnicode();
void translateScriptUnicodeIdBased_data();
void translateScriptUnicodeIdBased();
void translateFromBuiltinCallback();
void translationFilePath_data();
void translationFilePath();
void translationFileName();
void installConsoleFunctions();
void logging();
void tracing();
void asserts();
void exceptions();
void exceptionReporting();
void installGarbageCollectionFunctions();
void installAllExtensions();
void privateMethods();
void engineForObject();
void intConversion_QTBUG43309();
#ifdef QT_DEPRECATED
void toFixed();
#endif
void argumentEvaluationOrder();
void v4FunctionWithoutQML();
void withNoContext();
void holeInPropertyData();
void basicBlockMergeAfterLoopPeeling();
void modulusCrash();
void malformedExpression();
void scriptScopes();
void binaryNumbers();
void octalNumbers();
void incrementAfterNewline();
void deleteInsideForIn();
void functionToString_data();
void functionToString();
void stringReplace();
void protoChanges_QTBUG68369();
void multilineStrings();
void throwError();
void throwErrorObject();
void returnError();
void catchError();
void mathMinMax();
void mathNegativeZero();
void importModule();
void importModuleRelative();
void importModuleWithLexicallyScopedVars();
void importExportErrors();
void registerModule();
void registerModuleQObject();
void registerModuleNamedError();
void equality();
void aggressiveGc();
void noAccumulatorInTemplateLiteral();
void interrupt_data();
void interrupt();
void triggerBackwardJumpWithDestructuring();
void arrayConcatOnSparseArray();
void concatAfterUnshift();
void sortSparseArray();
void compileBrokenRegexp();
void sortNonStringArray();
void iterateInvalidProxy();
void applyOnHugeArray();
void reflectApplyOnHugeArray();
void jsonStringifyHugeArray();
void tostringRecursionCheck();
void arrayIncludesWithLargeArray();
void printCircularArray();
void typedArraySet();
void dataViewCtor();
void uiLanguage();
void urlObject();
void thisInConstructor();
void forOfAndGc();
void jsExponentiate();
void arrayBuffer();
void staticInNestedClasses();
void callElement();
void tdzViolations_data();
void tdzViolations();
void coerceValue();
void coerceDateTime_data();
void coerceDateTime();
void callWithSpreadOnElement();
void spreadNoOverflow();
void symbolToVariant();
void garbageCollectedObjectMethodBase();
void optionalChainWithElementLookup();
void deleteDefineCycle();
public:
Q_INVOKABLE QJSValue throwingCppMethod1();
Q_INVOKABLE void throwingCppMethod2();
Q_INVOKABLE QJSValue throwingCppMethod3();
signals:
void testSignal();
};
tst_QJSEngine::tst_QJSEngine()
{
qmlRegisterType<DateTimeHolder>("Test", 1, 0, "DateTimeHolder");
}
tst_QJSEngine::~tst_QJSEngine()
{
}
Q_DECLARE_METATYPE(Qt::KeyboardModifier)
Q_DECLARE_METATYPE(Qt::KeyboardModifiers)
class OverloadedSlots : public QObject
{
Q_OBJECT
public:
OverloadedSlots()
{
}
signals:
void slotWithoutArgCalled();
void slotWithSingleArgCalled(const QString &arg);
void slotWithArgumentsCalled(const QString &arg1, const QString &arg2, const QString &arg3);
void slotWithOverloadedArgumentsCalled(const QString &arg, Qt::KeyboardModifier modifier, Qt::KeyboardModifiers moreModifiers);
void slotWithTwoOverloadedArgumentsCalled(const QString &arg, Qt::KeyboardModifiers moreModifiers, Qt::KeyboardModifier modifier);
public slots:
void slotToCall() { emit slotWithoutArgCalled(); }
void slotToCall(const QString &arg) { emit slotWithSingleArgCalled(arg); }
void slotToCall(const QString &arg, const QString &arg2, const QString &arg3 = QString())
{
slotWithArgumentsCalled(arg, arg2, arg3);
}
void slotToCall(const QString &arg, Qt::KeyboardModifier modifier, Qt::KeyboardModifiers blah = Qt::ShiftModifier)
{
emit slotWithOverloadedArgumentsCalled(arg, modifier, blah);
}
void slotToCallTwoDefault(const QString &arg, Qt::KeyboardModifiers modifiers = Qt::ShiftModifier | Qt::ControlModifier, Qt::KeyboardModifier modifier = Qt::AltModifier)
{
emit slotWithTwoOverloadedArgumentsCalled(arg, modifiers, modifier);
}
};
void tst_QJSEngine::callQObjectSlot()
{
OverloadedSlots dummy;
QJSEngine eng;
eng.globalObject().setProperty("dummy", eng.newQObject(&dummy));
QQmlEngine::setObjectOwnership(&dummy, QQmlEngine::CppOwnership);
{
QSignalSpy spy(&dummy, SIGNAL(slotWithoutArgCalled()));
eng.evaluate("dummy.slotToCall();");
QCOMPARE(spy.size(), 1);
}
{
QSignalSpy spy(&dummy, SIGNAL(slotWithSingleArgCalled(QString)));
eng.evaluate("dummy.slotToCall('arg');");
QCOMPARE(spy.size(), 1);
const QList<QVariant> arguments = spy.takeFirst();
QCOMPARE(arguments.at(0).toString(), QString("arg"));
}
{
QSignalSpy spy(&dummy, SIGNAL(slotWithArgumentsCalled(QString,QString,QString)));
eng.evaluate("dummy.slotToCall('arg', 'arg2');");
QCOMPARE(spy.size(), 1);
const QList<QVariant> arguments = spy.takeFirst();
QCOMPARE(arguments.at(0).toString(), QString("arg"));
QCOMPARE(arguments.at(1).toString(), QString("arg2"));
QCOMPARE(arguments.at(2).toString(), QString());
}
{
QSignalSpy spy(&dummy, SIGNAL(slotWithArgumentsCalled(QString,QString,QString)));
eng.evaluate("dummy.slotToCall('arg', 'arg2', 'arg3');");
QCOMPARE(spy.size(), 1);
const QList<QVariant> arguments = spy.takeFirst();
QCOMPARE(arguments.at(0).toString(), QString("arg"));
QCOMPARE(arguments.at(1).toString(), QString("arg2"));
QCOMPARE(arguments.at(2).toString(), QString("arg3"));
}
{
QSignalSpy spy(&dummy, SIGNAL(slotWithOverloadedArgumentsCalled(QString,Qt::KeyboardModifier,Qt::KeyboardModifiers)));
eng.evaluate(QStringLiteral("dummy.slotToCall('arg', %1);").arg(QString::number(Qt::ControlModifier)));
QCOMPARE(spy.size(), 1);
const QList<QVariant> arguments = spy.first();
QCOMPARE(arguments.at(0).toString(), QString("arg"));
QCOMPARE(arguments.at(1).toInt(), int(Qt::ControlModifier));
QCOMPARE(int(qvariant_cast<Qt::KeyboardModifiers>(arguments.at(2))), int(Qt::ShiftModifier));
}
{
QSignalSpy spy(&dummy, SIGNAL(slotWithTwoOverloadedArgumentsCalled(QString,Qt::KeyboardModifiers,Qt::KeyboardModifier)));
QJSValue v = eng.evaluate(QStringLiteral("dummy.slotToCallTwoDefault('arg', %1);").arg(QString::number(Qt::MetaModifier | Qt::KeypadModifier)));
QCOMPARE(spy.size(), 1);
const QList<QVariant> arguments = spy.first();
QCOMPARE(arguments.at(0).toString(), QString("arg"));
QCOMPARE(int(qvariant_cast<Qt::KeyboardModifiers>(arguments.at(1))), int(Qt::MetaModifier | Qt::KeypadModifier));
QCOMPARE(int(qvariant_cast<Qt::KeyboardModifier>(arguments.at(2))), int(Qt::AltModifier));
}
QJSValue jsArray = eng.newArray();
jsArray.setProperty(QStringLiteral("MetaModifier"), QJSValue(Qt::MetaModifier));
jsArray.setProperty(QStringLiteral("ShiftModifier"), QJSValue(Qt::ShiftModifier));
jsArray.setProperty(QStringLiteral("ControlModifier"), QJSValue(Qt::ControlModifier));
jsArray.setProperty(QStringLiteral("KeypadModifier"), QJSValue(Qt::KeypadModifier));
QJSValue value = eng.newQObject(new QObject);
value.setPrototype(jsArray);
eng.globalObject().setProperty(QStringLiteral("Qt"), value);
{
QSignalSpy spy(&dummy, SIGNAL(slotWithOverloadedArgumentsCalled(QString,Qt::KeyboardModifier,Qt::KeyboardModifiers)));
QJSValue v = eng.evaluate(QStringLiteral("dummy.slotToCall('arg', Qt.ControlModifier);"));
QCOMPARE(spy.size(), 1);
const QList<QVariant> arguments = spy.first();
QCOMPARE(arguments.at(0).toString(), QString("arg"));
QCOMPARE(arguments.at(1).toInt(), int(Qt::ControlModifier));
QCOMPARE(int(qvariant_cast<Qt::KeyboardModifiers>(arguments.at(2))), int(Qt::ShiftModifier));
}
{
QSignalSpy spy(&dummy, SIGNAL(slotWithTwoOverloadedArgumentsCalled(QString,Qt::KeyboardModifiers,Qt::KeyboardModifier)));
QJSValue v = eng.evaluate(QStringLiteral("dummy.slotToCallTwoDefault('arg', Qt.MetaModifier | Qt.KeypadModifier);"));
QCOMPARE(spy.size(), 1);
const QList<QVariant> arguments = spy.first();
QCOMPARE(arguments.at(0).toString(), QString("arg"));
QCOMPARE(int(qvariant_cast<Qt::KeyboardModifiers>(arguments.at(1))), int(Qt::MetaModifier | Qt::KeypadModifier));
QCOMPARE(int(qvariant_cast<Qt::KeyboardModifier>(arguments.at(2))), int(Qt::AltModifier));
}
}
void tst_QJSEngine::constructWithParent()
{
QPointer<QJSEngine> ptr;
{
QObject obj;
QJSEngine *engine = new QJSEngine(&obj);
ptr = engine;
}
QVERIFY(ptr.isNull());
}
void tst_QJSEngine::newObject()
{
QJSEngine eng;
QJSValue object = eng.newObject();
QVERIFY(!object.isUndefined());
QCOMPARE(object.isObject(), true);
QCOMPARE(object.isCallable(), false);
// prototype should be Object.prototype
QVERIFY(!object.prototype().isUndefined());
QCOMPARE(object.prototype().isObject(), true);
QCOMPARE(object.prototype().strictlyEquals(eng.evaluate("Object.prototype")), true);
}
void tst_QJSEngine::newArray()
{
QJSEngine eng;
QJSValue array = eng.newArray();
QVERIFY(!array.isUndefined());
QCOMPARE(array.isArray(), true);
QCOMPARE(array.isObject(), true);
QVERIFY(!array.isCallable());
// prototype should be Array.prototype
QVERIFY(!array.prototype().isUndefined());
QCOMPARE(array.prototype().isArray(), true);
QCOMPARE(array.prototype().strictlyEquals(eng.evaluate("Array.prototype")), true);
}
void tst_QJSEngine::newArray_HooliganTask218092()
{
QJSEngine eng;
{
QJSValue ret = eng.evaluate("[].splice(0, 0, 'a')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt(), 0);
}
{
QJSValue ret = eng.evaluate("['a'].splice(0, 1, 'b')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt(), 1);
}
{
QJSValue ret = eng.evaluate("['a', 'b'].splice(0, 1, 'c')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt(), 1);
}
{
QJSValue ret = eng.evaluate("['a', 'b', 'c'].splice(0, 2, 'd')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt(), 2);
}
{
QJSValue ret = eng.evaluate("['a', 'b', 'c'].splice(1, 2, 'd', 'e', 'f')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt(), 2);
}
}
void tst_QJSEngine::newArray_HooliganTask233836()
{
QJSEngine eng;
{
// According to ECMA-262, this should cause a RangeError.
QJSValue ret = eng.evaluate("a = new Array(4294967295); a.push('foo')");
QVERIFY(ret.isError() && ret.toString().contains(QLatin1String("RangeError")));
}
{
QJSValue ret = eng.newArray(0xFFFFFFFF);
QCOMPARE(ret.property("length").toUInt(), uint(0xFFFFFFFF));
ret.setProperty(0xFFFFFFFF, 123);
QCOMPARE(ret.property("length").toUInt(), uint(0xFFFFFFFF));
QVERIFY(ret.property(0xFFFFFFFF).isNumber());
QCOMPARE(ret.property(0xFFFFFFFF).toInt(), 123);
ret.setProperty(123, 456);
QCOMPARE(ret.property("length").toUInt(), uint(0xFFFFFFFF));
QVERIFY(ret.property(123).isNumber());
QCOMPARE(ret.property(123).toInt(), 456);
}
}
void tst_QJSEngine::toScriptValueBuiltin_data()
{
QTest::addColumn<QVariant>("input");
QTest::newRow("UnknownType") << QVariant(QMetaType(QMetaType::UnknownType), nullptr);
QTest::newRow("Nullptr") << QVariant(QMetaType(QMetaType::Nullptr), nullptr);
QTest::newRow("true") << QVariant(true);
QTest::newRow("false") << QVariant(false);
QTest::newRow("int") << QVariant(int(42));
QTest::newRow("uint") << QVariant(uint(42));
QTest::newRow("longlong") << QVariant(qlonglong(4242));
QTest::newRow("ulonglong") << QVariant(qulonglong(4242));
QTest::newRow("double") << QVariant(double(42.42));
QTest::newRow("float") << QVariant(float(42.42));
QTest::newRow("qstring") << QVariant(QString::fromLatin1("hello"));
QTest::newRow("qbytearray") << QVariant(QByteArray("hello"));
QTest::newRow("short") << QVariant(short('r'));
QTest::newRow("ushort") << QVariant(short('b'));
QTest::newRow("char") << QVariant(char('r'));
QTest::newRow("uchar") << QVariant(uchar('b'));
QTest::newRow("qchar") << QVariant(QString::fromUtf8("å").at(0));
QTest::newRow("qdate") << QVariant(QDate(1925, 5, 8));
QTest::newRow("qtime") << QVariant(QTime(4, 5, 6));
QTest::newRow("qregularexpression") << QVariant(QRegularExpression(".*"));
QTest::newRow("qpointf") << QVariant(QPointF(42, 24));
QTest::newRow("qvariantlist") << QVariant(QVariantList() << 42.24 << 5 << "hello");
QTest::newRow("qvariantlist_point") << QVariant(QVariantList() << 42.24 << QPointF(42.24, 24.42) << QPointF(24.42, 42.24));
QVariantMap vm; vm.insert("test", 55); vm.insert("abc", 42.42);
QTest::newRow("qvariantmap") << QVariant(vm);
vm.clear(); vm.insert("point1", QPointF(42.24, 24.42)); vm.insert("point2", QPointF(42.24, 24.42));
QTest::newRow("qvariantmap_point") << QVariant(vm);
QTest::newRow("qvariant") << QVariant(QVariant(42));
QTest::newRow("QList<QString>") << QVariant::fromValue(QVector<QString>() << "1" << "2" << "3" << "4");
QTest::newRow("QStringList") << QVariant::fromValue(QStringList() << "1" << "2" << "3" << "4");
QTest::newRow("QMap<QString, QString>") << QVariant::fromValue(QMap<QString, QString>{{ "1", "2" }, { "3", "4" }});
QTest::newRow("QHash<QString, QString>") << QVariant::fromValue(QHash<QString, QString>{{ "1", "2" }, { "3", "4" }});
QTest::newRow("QMap<QString, QPointF>") << QVariant::fromValue(QMap<QString, QPointF>{{ "1", { 42.24, 24.42 } }, { "3", { 24.42, 42.24 } }});
QTest::newRow("QHash<QString, QPointF>") << QVariant::fromValue(QHash<QString, QPointF>{{ "1", { 42.24, 24.42 } }, { "3", { 24.42, 42.24 } }});
}
void tst_QJSEngine::toScriptValueBuiltin()
{
QFETCH(QVariant, input);
QJSEngine engine;
QJSValue outputJS = engine.toScriptValue(input);
QVariant output = engine.fromScriptValue<QVariant>(outputJS);
if (input.metaType().id() == QMetaType::QChar) {
if (!input.convert(QMetaType(QMetaType::QString)))
QFAIL("cannot convert to the original value");
} else if (!output.convert(input.metaType()) && input.isValid())
QFAIL("cannot convert to the original value");
QCOMPARE(input, output);
}
void tst_QJSEngine::toScriptValueQmlBuiltin_data()
{
QTest::addColumn<QVariant>("input");
QTest::newRow("QList<QVariant>") << QVariant(QList<QVariant>{true, 5, 13.2f, 42.24, QString("world"), QUrl("htt://a.com"), QDateTime::currentDateTime(), QRegularExpression("a*b*c"), QByteArray("hello")});
QTest::newRow("QList<bool>") << QVariant::fromValue(QList<bool>{true, false, true, false});
QTest::newRow("QList<int>") << QVariant::fromValue(QList<int>{1, 2, 3, 4});
QTest::newRow("QList<float>") << QVariant::fromValue(QList<float>{1.1f, 2.2f, 3.3f, 4.4f});
QTest::newRow("QList<double>") << QVariant::fromValue(QList<double>{1.1, 2.2, 3.3, 4.4});
QTest::newRow("QList<QString>") << QVariant::fromValue(QList<QString>{"a", "b", "c", "d"});
QTest::newRow("QList<QUrl>") << QVariant::fromValue(QList<QUrl>{QUrl("htt://a.com"), QUrl("file:///tmp/b/"), QUrl("c.foo"), QUrl("/some/d")});
QTest::newRow("QList<QDateTime>") << QVariant::fromValue(QList<QDateTime>{QDateTime::currentDateTime(), QDateTime::fromMSecsSinceEpoch(300), QDateTime()});
QTest::newRow("QList<QRegularExpression>") << QVariant::fromValue(QList<QRegularExpression>{QRegularExpression("abcd"), QRegularExpression("a[b|c]d$"), QRegularExpression("a*b*d")});
QTest::newRow("QList<QByteArray>") << QVariant::fromValue(QList<QByteArray>{QByteArray("aaa"), QByteArray("bbb"), QByteArray("ccc")});
}
void tst_QJSEngine::toScriptValueQmlBuiltin()
{
QFETCH(QVariant, input);
// We need the type registrations in QQmlEngine::init() for this.
QQmlEngine engine;
QJSValue outputJS = engine.toScriptValue(input);
QVariant output = engine.fromScriptValue<QVariant>(outputJS);
QVERIFY(output.convert(input.metaType()));
QCOMPARE(input, output);
}
void tst_QJSEngine::toScriptValueQtQml_data()
{
QTest::addColumn<QVariant>("input");
QTest::newRow("std::vector<qreal>") << QVariant::fromValue(std::vector<qreal>{.1, .2, .3, .4});
QTest::newRow("QList<qreal>") << QVariant::fromValue(QList<qreal>{.1, .2, .3, .4});
QTest::newRow("std::vector<int>") << QVariant::fromValue(std::vector<int>{1, 2, 3, 4});
QTest::newRow("std::vector<bool>") << QVariant::fromValue(std::vector<bool>{true, false, true, false});
QTest::newRow("std::vector<QString>") << QVariant::fromValue(std::vector<QString>{"a", "b", "c", "d"});
QTest::newRow("std::vector<QUrl>") << QVariant::fromValue(std::vector<QUrl>{QUrl("htt://a.com"), QUrl("file:///tmp/b/"), QUrl("c.foo"), QUrl("/some/d")});
QTest::newRow("QList<QPoint>") << QVariant::fromValue(QList<QPointF>() << QPointF(42.24, 24.42) << QPointF(42.24, 24.42));
static const QStandardItemModel model(4, 4);
QTest::newRow("QModelIndexList") << QVariant::fromValue(QModelIndexList{ model.index(1, 2), model.index(2, 3), model.index(3, 1), model.index(3, 2)});
QTest::newRow("std::vector<QModelIndex>") << QVariant::fromValue(std::vector<QModelIndex>{ model.index(1, 2), model.index(2, 3), model.index(3, 1), model.index(3, 2)});
// QVariant wants to implicitly convert this to a QList<QItemSelectionRange>. Prevent that by
// keeping the instance on the stack, and explicitly instantiating the template below.
QItemSelection selection;
// It doesn't have an initializer list ctor ...
selection << QItemSelectionRange(model.index(1, 2), model.index(2, 3))
<< QItemSelectionRange(model.index(3, 1), model.index(3, 2))
<< QItemSelectionRange(model.index(2, 2), model.index(3, 3))
<< QItemSelectionRange(model.index(1, 1), model.index(2, 2));
QTest::newRow("QItemSelection") << QVariant::fromValue<QItemSelection>(selection);
}
void tst_QJSEngine::toScriptValueQtQml()
{
QFETCH(QVariant, input);
// Import QtQml, to enable the sequential containers defined there.
QQmlEngine engine;
QQmlComponent c(&engine);
c.setData("import QtQml\nQtObject{}", QUrl());
QScopedPointer<QObject> obj(c.create());
QVERIFY(!obj.isNull());
QJSValue outputJS = engine.toScriptValue(input);
QVariant output = engine.fromScriptValue<QVariant>(outputJS);
if (input.metaType().id() == QMetaType::QChar) {
if (!input.convert(QMetaType(QMetaType::QString)))
QFAIL("cannot convert to the original value");
} else if (!output.convert(input.metaType()) && input.isValid())
QFAIL("cannot convert to the original value");
QCOMPARE(input, output);
}
void tst_QJSEngine::toScriptValuenotroundtripped_data()
{
QTest::addColumn<QVariant>("input");
QTest::addColumn<QVariant>("output");
QTest::newRow("QList<QObject*>") << QVariant::fromValue(QList<QObject*>() << this) << QVariant(QVariantList() << QVariant::fromValue<QObject *>(this));
QTest::newRow("QObjectList") << QVariant::fromValue(QObjectList() << this) << QVariant(QVariantList() << QVariant::fromValue<QObject *>(this));
QTest::newRow("VoidStar") << QVariant(QMetaType(QMetaType::VoidStar), nullptr) << QVariant(QMetaType(QMetaType::Nullptr), nullptr);
}
// This is almost the same as toScriptValue, but the inputs don't roundtrip to
// exactly the same value.
void tst_QJSEngine::toScriptValuenotroundtripped()
{
QFETCH(QVariant, input);
QFETCH(QVariant, output);
QJSEngine engine;
QJSValue outputJS = engine.toScriptValue(input);
QVariant actualOutput = engine.fromScriptValue<QVariant>(outputJS);
QCOMPARE(actualOutput, output);
}
void tst_QJSEngine::newVariant()
{
QJSEngine eng;
{
QJSValue opaque = eng.toScriptValue(QVariant(QPoint(1, 2)));
QVERIFY(!opaque.isUndefined());
QCOMPARE(opaque.isVariant(), false);
QVERIFY(!opaque.isCallable());
QCOMPARE(opaque.isObject(), true);
QVERIFY(!opaque.prototype().isUndefined());
QCOMPARE(opaque.prototype().isVariant(), false);
QVERIFY(opaque.property("valueOf").callWithInstance(opaque).equals(opaque));
}
}
void tst_QJSEngine::newVariant_valueOfToString()
{
// valueOf() and toString()
QJSEngine eng;
{
QJSValue object = eng.toScriptValue(QVariant(QPoint(10, 20)));
QJSValue value = object.property("valueOf").callWithInstance(object);
QVERIFY(value.isObject());
QVERIFY(value.strictlyEquals(object));
QCOMPARE(object.toString(), QString::fromLatin1("QPoint(10, 20)"));
}
}
void tst_QJSEngine::newVariant_valueOfEnum()
{
QJSEngine eng;
{
QJSManagedValue object = eng.toManagedValue(QVariant::fromValue(Qt::ControlModifier));
QJSValue value = object.property("valueOf").callWithInstance(object.toJSValue());
QVERIFY(value.isNumber());
QCOMPARE(value.toInt(), static_cast<qint32>(Qt::ControlModifier));
}
}
void tst_QJSEngine::newRegExp()
{
QJSEngine eng;
QJSValue rexp = eng.toScriptValue(QRegularExpression("foo"));
QVERIFY(!rexp.isUndefined());
QCOMPARE(rexp.isRegExp(), true);
QCOMPARE(rexp.isObject(), true);
QCOMPARE(rexp.isCallable(), false);
// prototype should be RegExp.prototype
QVERIFY(!rexp.prototype().isUndefined());
QCOMPARE(rexp.prototype().isObject(), true);
// Get [[Class]] internal property of RegExp Prototype Object.
// See ECMA-262 Section 8.6.2, "Object Internal Properties and Methods".
// See ECMA-262 Section 15.10.6, "Properties of the RegExp Prototype Object".
QJSValue r = eng.evaluate("Object.prototype.toString.call(RegExp.prototype)");
QCOMPARE(r.toString(), QString::fromLatin1("[object Object]"));
QCOMPARE(rexp.prototype().strictlyEquals(eng.evaluate("RegExp.prototype")), true);
QCOMPARE(qjsvalue_cast<QRegularExpression>(rexp).pattern(), QRegularExpression("foo").pattern());
}
void tst_QJSEngine::jsRegExp()
{
// See ECMA-262 Section 15.10, "RegExp Objects".
// These should really be JS-only tests, as they test the implementation's
// ECMA-compliance, not the C++ API. Compliance should already be covered
// by the Mozilla tests (qscriptjstestsuite).
// We can consider updating the expected results of this test if the
// RegExp implementation changes.
QJSEngine eng;
QJSValue r = eng.evaluate("/foo/gim");
QVERIFY(r.isRegExp());
QCOMPARE(r.toString(), QString::fromLatin1("/foo/gim"));
QJSValue rxCtor = eng.globalObject().property("RegExp");
QJSValue r2 = rxCtor.call(QJSValueList() << r);
QVERIFY(r2.isRegExp());
QVERIFY(r2.strictlyEquals(r));
QJSValue r3 = rxCtor.call(QJSValueList() << r << "gim");
QVERIFY(!r3.isError());
QJSValue r4 = rxCtor.call(QJSValueList() << "foo" << "gim");
QVERIFY(r4.isRegExp());
QJSValue r5 = rxCtor.callAsConstructor(QJSValueList() << r);
QVERIFY(r5.isRegExp());
QCOMPARE(r5.toString(), QString::fromLatin1("/foo/gim"));
QVERIFY(r5.strictlyEquals(r));
// See ECMA-262 Section 15.10.4.1, "new RegExp(pattern, flags)".
QJSValue r6 = rxCtor.callAsConstructor(QJSValueList() << "foo" << "bar");
QVERIFY(r6.isError());
QVERIFY(r6.toString().contains(QString::fromLatin1("SyntaxError"))); // Invalid regular expression flag
QJSValue r7 = eng.evaluate("/foo/gimp");
QVERIFY(r7.isError());
QVERIFY(r7.toString().contains(QString::fromLatin1("SyntaxError"))); // Invalid regular expression flag
QJSValue r8 = eng.evaluate("/foo/migmigmig");
QVERIFY(r8.isError());
QVERIFY(r8.toString().contains(QString::fromLatin1("SyntaxError"))); // Invalid regular expression flag
QJSValue r9 = rxCtor.callAsConstructor();
QVERIFY(r9.isRegExp());
QCOMPARE(r9.toString(), QString::fromLatin1("/(?:)/"));
QJSValue r10 = rxCtor.callAsConstructor(QJSValueList() << "" << "gim");
QVERIFY(r10.isRegExp());
QCOMPARE(r10.toString(), QString::fromLatin1("/(?:)/gim"));
QJSValue r11 = rxCtor.callAsConstructor(QJSValueList() << "{1.*}" << "g");
QVERIFY(r11.isRegExp());
QCOMPARE(r11.toString(), QString::fromLatin1("/{1.*}/g"));
}
void tst_QJSEngine::newDate()
{
QJSEngine eng;
{
QJSValue date = eng.evaluate("new Date(0)");
QVERIFY(!date.isUndefined());
QCOMPARE(date.isDate(), true);
QCOMPARE(date.isObject(), true);
QVERIFY(!date.isCallable());
}
{
QDateTime dt = QDateTime(QDate(1, 2, 3), QTime(4, 5, 6, 7));
QJSValue date = eng.toScriptValue(dt);
QVERIFY(!date.isUndefined());
QCOMPARE(date.isDate(), true);
QCOMPARE(date.isObject(), true);
QCOMPARE(date.toDateTime(), dt);
}
{
QDateTime dt = QDateTime(QDate(1, 2, 3), QTime(4, 5, 6, 7), QTimeZone::UTC);
QJSValue date = eng.toScriptValue(dt);
// toDateTime() result should be in local time
QCOMPARE(date.toDateTime(), dt.toLocalTime());
}
}
void tst_QJSEngine::jsParseDate()
{
QJSEngine eng;
// Date.parse() should return NaN when it fails
{
QJSValue ret = eng.evaluate("Date.parse()");
QVERIFY(ret.isNumber());
QVERIFY(qIsNaN(ret.toNumber()));
}
// Date.parse() should be able to parse the output of Date().toString()
{
QJSValue ret = eng.evaluate("var x = new Date(); var s = x.toString(); s == new Date(Date.parse(s)).toString()");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), true);
}
}
void tst_QJSEngine::newQObject()
{
QJSEngine eng;
QObject temp;
{
QJSValue qobject = eng.newQObject(nullptr);
QCOMPARE(qobject.isNull(), true);
QCOMPARE(qobject.isObject(), false);
QCOMPARE(qobject.toQObject(), (QObject *)nullptr);
}
{
QJSValue qobject = eng.newQObject(&temp);
QVERIFY(!qobject.isUndefined());
QCOMPARE(qobject.isQObject(), true);
QCOMPARE(qobject.isObject(), true);
QCOMPARE(qobject.toQObject(), (QObject *)&temp);
QVERIFY(!qobject.isCallable());
// prototype should be QObject.prototype
QCOMPARE(qobject.prototype().isObject(), true);
QEXPECT_FAIL("", "FIXME: newly created QObject's prototype is an JS Object", Continue);
QCOMPARE(qobject.prototype().isQObject(), true);
}
}
void tst_QJSEngine::newQObjectRace()
{
class Thread : public QThread
{
void run() override
{
int newObjectCount = 1000;
#if defined(Q_OS_QNX)
newObjectCount = 128;
#endif
for (int i=0;i<newObjectCount;++i)
{
QJSEngine e;
auto obj = e.newQObject(new QObject);
}
}
};
Thread threads[8];
for (auto& t : threads)
t.start(); // should not crash
for (auto& t : threads)
t.wait();
}
void tst_QJSEngine::newQObject_ownership()
{
QJSEngine eng;
{
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != nullptr);
{
QJSValue v = eng.newQObject(ptr);
}
gc(*eng.handle(), GCFlags::DontSendPostedEvents);
if (ptr)
QGuiApplication::sendPostedEvents(ptr, QEvent::DeferredDelete);
QVERIFY(ptr.isNull());
}
{
QPointer<QObject> ptr = new QObject(this);
QVERIFY(ptr != nullptr);
{
QJSValue v = eng.newQObject(ptr);
}
QObject *before = ptr;
gc(*eng.handle(), GCFlags::DontSendPostedEvents);
QCOMPARE(ptr.data(), before);
delete ptr;
}
{
std::unique_ptr<QObject> parent = std::make_unique<QObject>();
QObject *child = new QObject(parent.get());
QJSValue v = eng.newQObject(child);
QCOMPARE(v.toQObject(), child);
parent.reset();
QCOMPARE(v.toQObject(), (QObject *)nullptr);
}
{
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != nullptr);
{
QJSValue v = eng.newQObject(ptr);
}
gc(*eng.handle(), GCFlags::DontSendPostedEvents);
// no parent, so it should be like ScriptOwnership
if (ptr)
QGuiApplication::sendPostedEvents(ptr, QEvent::DeferredDelete);
QVERIFY(ptr.isNull());
}
{
std::unique_ptr<QObject> parent = std::make_unique<QObject>();
QPointer<QObject> child = new QObject(parent.get());
QVERIFY(child != nullptr);
{
QJSValue v = eng.newQObject(child);
}
gc(*eng.handle(), GCFlags::DontSendPostedEvents);
// has parent, so it should be like QtOwnership
QVERIFY(child != nullptr);
}
{
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != nullptr);
{
QQmlEngine::setObjectOwnership(ptr.data(), QQmlEngine::CppOwnership);
QJSValue v = eng.newQObject(ptr);
}
gc(*eng.handle(), GCFlags::DontSendPostedEvents);
if (ptr)
QGuiApplication::sendPostedEvents(ptr, QEvent::DeferredDelete);
QVERIFY(!ptr.isNull());
delete ptr.data();
}
}
void tst_QJSEngine::newQObject_deletedEngine()
{
QJSValue object;
QObject *ptr = new QObject();
QSignalSpy spy(ptr, SIGNAL(destroyed()));
{
QJSEngine engine;
object = engine.newQObject(ptr);
engine.globalObject().setProperty("obj", object);
}
QTRY_VERIFY(spy.size());
}
class TestQMetaObject : public QObject {
Q_OBJECT
Q_PROPERTY(int called READ called)
public:
enum Enum1 {
Zero = 0,
One,
Two
};
enum Enum2 {
A = 0,
B,
C
};
Q_ENUMS(Enum1 Enum2)
Q_INVOKABLE TestQMetaObject() {}
Q_INVOKABLE TestQMetaObject(int)
: m_called(2) {}
Q_INVOKABLE TestQMetaObject(QString)
: m_called(3) {}
Q_INVOKABLE TestQMetaObject(QString, int)
: m_called(4) {}
int called() const {
return m_called;
}
private:
int m_called = 1;
};
class TestQMetaObject2 : public QObject
{
Q_OBJECT
public:
Q_INVOKABLE TestQMetaObject2(int a) : m_called(a) {}
int called() const { return m_called; }
private:
int m_called = 1;
};
void tst_QJSEngine::newQObjectPropertyCache()
{
QScopedPointer<QObject> obj(new QObject);
QQmlEngine::setObjectOwnership(obj.data(), QQmlEngine::CppOwnership);
{
QJSEngine engine;
engine.newQObject(obj.data());
QVERIFY(QQmlData::get(obj.data())->propertyCache);
}
QVERIFY(!QQmlData::get(obj.data())->propertyCache);
}
void tst_QJSEngine::newQMetaObject() {
{
QJSEngine engine;
QJSValue metaObject = engine.newQMetaObject(&TestQMetaObject::staticMetaObject);
QCOMPARE(metaObject.isNull(), false);
QCOMPARE(metaObject.isObject(), true);
QCOMPARE(metaObject.isQObject(), false);
QCOMPARE(metaObject.isCallable(), true);
QCOMPARE(metaObject.isQMetaObject(), true);
QCOMPARE(metaObject.toQMetaObject(), &TestQMetaObject::staticMetaObject);
QVERIFY(metaObject.strictlyEquals(engine.newQMetaObject<TestQMetaObject>()));
QVERIFY(!metaObject.strictlyEquals(engine.newArray()));
{
auto result = metaObject.callAsConstructor();
if (result.isError())
qDebug() << result.toString();
QCOMPARE(result.isError(), false);
QCOMPARE(result.isNull(), false);
QCOMPARE(result.isObject(), true);
QCOMPARE(result.isQObject(), true);
QVERIFY(result.property("constructor").strictlyEquals(metaObject));
QVERIFY(result.prototype().strictlyEquals(metaObject));
QCOMPARE(result.property("called").toInt(), 1);
}
QJSValue integer(42);
QJSValue string("foo");
{
auto result = metaObject.callAsConstructor({integer});
QCOMPARE(result.property("called").toInt(), 2);
}
{
auto result = metaObject.callAsConstructor({string});
QCOMPARE(result.property("called").toInt(), 3);
}
{
auto result = metaObject.callAsConstructor({string, integer});
QCOMPARE(result.property("called").toInt(), 4);
}
}
{
QJSEngine engine;
QJSValue metaObject = engine.newQMetaObject(&TestQMetaObject::staticMetaObject);
QCOMPARE(metaObject.property("Zero").toInt(), 0);
QCOMPARE(metaObject.property("One").toInt(), 1);
QCOMPARE(metaObject.property("Two").toInt(), 2);
QCOMPARE(metaObject.property("A").toInt(), 0);
QCOMPARE(metaObject.property("B").toInt(), 1);
QCOMPARE(metaObject.property("C").toInt(), 2);
}
{
QJSEngine engine;
const QJSValue metaObject = engine.newQMetaObject(&TestQMetaObject2::staticMetaObject);
engine.globalObject().setProperty("Example"_L1, metaObject);
const QJSValue invalid = engine.evaluate("new Example()"_L1);
QVERIFY(invalid.isError());
QCOMPARE(invalid.toString(), "Error: Insufficient arguments"_L1);
const QJSValue valid = engine.evaluate("new Example(123)"_L1);
QCOMPARE(qjsvalue_cast<TestQMetaObject2 *>(valid)->called(), 123);
}
}
void tst_QJSEngine::exceptionInSlot()
{
QJSEngine engine;
QJSValue wrappedThis = engine.newQObject(this);
QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
engine.globalObject().setProperty("testCase", wrappedThis);
engine.evaluate(
"var called = false\n"
"function throwingSlot() {\n"
" called = true\n"
" throw 42;\n"
"}\n"
"testCase.testSignal.connect(throwingSlot)\n"
);
QCOMPARE(engine.globalObject().property("called").toBool(), false);
emit testSignal();
QCOMPARE(engine.globalObject().property("called").toBool(), true);
}
void tst_QJSEngine::globalObjectProperties()
{
// See ECMA-262 Section 15.1, "The Global Object".
QJSEngine eng;
QJSValue global = eng.globalObject();
QVERIFY(global.property("NaN").isNumber());
QVERIFY(qIsNaN(global.property("NaN").toNumber()));
QVERIFY(global.property("Infinity").isNumber());
QVERIFY(qIsInf(global.property("Infinity").toNumber()));
QVERIFY(global.property("undefined").isUndefined());
QVERIFY(global.property("eval").isCallable());
QVERIFY(global.property("parseInt").isCallable());
QVERIFY(global.property("parseFloat").isCallable());
QVERIFY(global.property("isNaN").isCallable());
QVERIFY(global.property("isFinite").isCallable());
QVERIFY(global.property("decodeURI").isCallable());
QVERIFY(global.property("decodeURIComponent").isCallable());
QVERIFY(global.property("encodeURI").isCallable());
QVERIFY(global.property("encodeURIComponent").isCallable());
QVERIFY(global.property("Object").isCallable());
QVERIFY(global.property("Function").isCallable());
QVERIFY(global.property("Array").isCallable());
QVERIFY(global.property("String").isCallable());
QVERIFY(global.property("Boolean").isCallable());
QVERIFY(global.property("Number").isCallable());
QVERIFY(global.property("Date").isCallable());
QVERIFY(global.property("RegExp").isCallable());
QVERIFY(global.property("Error").isCallable());
QVERIFY(global.property("EvalError").isCallable());
QVERIFY(global.property("RangeError").isCallable());
QVERIFY(global.property("ReferenceError").isCallable());
QVERIFY(global.property("SyntaxError").isCallable());
QVERIFY(global.property("TypeError").isCallable());
QVERIFY(global.property("URIError").isCallable());
QVERIFY(global.property("Math").isObject());
QVERIFY(!global.property("Math").isCallable());
}
void tst_QJSEngine::globalObjectEquals()
{
QJSEngine eng;
QJSValue o = eng.globalObject();
QVERIFY(o.strictlyEquals(eng.globalObject()));
QVERIFY(o.equals(eng.globalObject()));
}
void tst_QJSEngine::globalObjectProperties_enumerate()
{
QJSEngine eng;
QJSValue global = eng.globalObject();
QSet<QString> expectedNames;
expectedNames
<< "isNaN"
<< "parseFloat"
<< "String"
<< "EvalError"
<< "URIError"
<< "Math"
<< "encodeURIComponent"
<< "RangeError"
<< "eval"
<< "isFinite"
<< "ReferenceError"
<< "Infinity"
<< "Function"
<< "RegExp"
<< "Number"
<< "parseInt"
<< "Object"
<< "decodeURI"
<< "TypeError"
<< "Boolean"
<< "encodeURI"
<< "NaN"
<< "Error"
<< "decodeURIComponent"
<< "Date"
<< "Array"
<< "Symbol"
<< "escape"
<< "unescape"
<< "SyntaxError"
<< "undefined"
<< "JSON"
<< "ArrayBuffer"
<< "SharedArrayBuffer"
<< "DataView"
<< "Int8Array"
<< "Uint8Array"
<< "Uint8ClampedArray"
<< "Int16Array"
<< "Uint16Array"
<< "Int32Array"
<< "Uint32Array"
<< "Float32Array"
<< "Float64Array"
<< "WeakSet"
<< "Set"
<< "WeakMap"
<< "Map"
<< "Reflect"
<< "Proxy"
<< "Atomics"
<< "Promise"
<< "URL"
<< "URLSearchParams"
;
QSet<QString> actualNames;
{
QJSValueIterator it(global);
while (it.hasNext()) {
it.next();
actualNames.insert(it.name());
}
}
QSet<QString> remainingNames = actualNames;
{
QSet<QString>::const_iterator it;
for (it = expectedNames.constBegin(); it != expectedNames.constEnd(); ++it) {
QString name = *it;
QVERIFY(actualNames.contains(name));
remainingNames.remove(name);
}
}
QVERIFY(remainingNames.isEmpty());
}
void tst_QJSEngine::createGlobalObjectProperty()
{
QJSEngine eng;
QJSValue global = eng.globalObject();
// create property with no attributes
{
QString name = QString::fromLatin1("foo");
QVERIFY(global.property(name).isUndefined());
QJSValue val(123);
global.setProperty(name, val);
QVERIFY(global.property(name).equals(val));
global.deleteProperty(name);
QVERIFY(global.property(name).isUndefined());
}
}
void tst_QJSEngine::globalObjectWithCustomPrototype()
{
QJSEngine engine;
QJSValue proto = engine.newObject();
proto.setProperty("protoProperty", 123);
QJSValue global = engine.globalObject();
QJSValue originalProto = global.prototype();
global.setPrototype(proto);
{
QJSValue ret = engine.evaluate("protoProperty");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(global.property("protoProperty")));
}
{
QJSValue ret = engine.evaluate("this.protoProperty");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(global.property("protoProperty")));
}
{
QJSValue ret = engine.evaluate("this.hasOwnProperty('protoProperty')");
QVERIFY(ret.isBool());
QVERIFY(!ret.toBool());
}
// Custom prototype set from JS
{
QJSValue ret = engine.evaluate("this.__proto__ = { 'a': 123 }; a");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(global.property("a")));
}
}
void tst_QJSEngine::builtinFunctionNames_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("expectedName");
// See ECMA-262 Chapter 15, "Standard Built-in ECMAScript Objects".
QTest::newRow("parseInt") << QString("parseInt") << QString("parseInt");
QTest::newRow("parseFloat") << QString("parseFloat") << QString("parseFloat");
QTest::newRow("isNaN") << QString("isNaN") << QString("isNaN");
QTest::newRow("isFinite") << QString("isFinite") << QString("isFinite");
QTest::newRow("decodeURI") << QString("decodeURI") << QString("decodeURI");
QTest::newRow("decodeURIComponent") << QString("decodeURIComponent") << QString("decodeURIComponent");
QTest::newRow("encodeURI") << QString("encodeURI") << QString("encodeURI");
QTest::newRow("encodeURIComponent") << QString("encodeURIComponent") << QString("encodeURIComponent");
QTest::newRow("escape") << QString("escape") << QString("escape");
QTest::newRow("unescape") << QString("unescape") << QString("unescape");
QTest::newRow("Array") << QString("Array") << QString("Array");
QTest::newRow("Array.prototype.toString") << QString("Array.prototype.toString") << QString("toString");
QTest::newRow("Array.prototype.toLocaleString") << QString("Array.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Array.prototype.concat") << QString("Array.prototype.concat") << QString("concat");
QTest::newRow("Array.prototype.find") << QString("Array.prototype.find") << QString("find");
QTest::newRow("Array.prototype.findIndex") << QString("Array.prototype.findIndex") << QString("findIndex");
QTest::newRow("Array.prototype.join") << QString("Array.prototype.join") << QString("join");
QTest::newRow("Array.prototype.pop") << QString("Array.prototype.pop") << QString("pop");
QTest::newRow("Array.prototype.push") << QString("Array.prototype.push") << QString("push");
QTest::newRow("Array.prototype.reverse") << QString("Array.prototype.reverse") << QString("reverse");
QTest::newRow("Array.prototype.shift") << QString("Array.prototype.shift") << QString("shift");
QTest::newRow("Array.prototype.slice") << QString("Array.prototype.slice") << QString("slice");
QTest::newRow("Array.prototype.sort") << QString("Array.prototype.sort") << QString("sort");
QTest::newRow("Array.prototype.splice") << QString("Array.prototype.splice") << QString("splice");
QTest::newRow("Array.prototype.unshift") << QString("Array.prototype.unshift") << QString("unshift");
QTest::newRow("Boolean") << QString("Boolean") << QString("Boolean");
QTest::newRow("Boolean.prototype.toString") << QString("Boolean.prototype.toString") << QString("toString");
QTest::newRow("Date") << QString("Date") << QString("Date");
QTest::newRow("Date.prototype.toString") << QString("Date.prototype.toString") << QString("toString");
QTest::newRow("Date.prototype.toDateString") << QString("Date.prototype.toDateString") << QString("toDateString");
QTest::newRow("Date.prototype.toTimeString") << QString("Date.prototype.toTimeString") << QString("toTimeString");
QTest::newRow("Date.prototype.toLocaleString") << QString("Date.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Date.prototype.toLocaleDateString") << QString("Date.prototype.toLocaleDateString") << QString("toLocaleDateString");
QTest::newRow("Date.prototype.toLocaleTimeString") << QString("Date.prototype.toLocaleTimeString") << QString("toLocaleTimeString");
QTest::newRow("Date.prototype.valueOf") << QString("Date.prototype.valueOf") << QString("valueOf");
QTest::newRow("Date.prototype.getTime") << QString("Date.prototype.getTime") << QString("getTime");
QTest::newRow("Date.prototype.getYear") << QString("Date.prototype.getYear") << QString("getYear");
QTest::newRow("Date.prototype.getFullYear") << QString("Date.prototype.getFullYear") << QString("getFullYear");
QTest::newRow("Date.prototype.getUTCFullYear") << QString("Date.prototype.getUTCFullYear") << QString("getUTCFullYear");
QTest::newRow("Date.prototype.getMonth") << QString("Date.prototype.getMonth") << QString("getMonth");
QTest::newRow("Date.prototype.getUTCMonth") << QString("Date.prototype.getUTCMonth") << QString("getUTCMonth");
QTest::newRow("Date.prototype.getDate") << QString("Date.prototype.getDate") << QString("getDate");
QTest::newRow("Date.prototype.getUTCDate") << QString("Date.prototype.getUTCDate") << QString("getUTCDate");
QTest::newRow("Date.prototype.getDay") << QString("Date.prototype.getDay") << QString("getDay");
QTest::newRow("Date.prototype.getUTCDay") << QString("Date.prototype.getUTCDay") << QString("getUTCDay");
QTest::newRow("Date.prototype.getHours") << QString("Date.prototype.getHours") << QString("getHours");
QTest::newRow("Date.prototype.getUTCHours") << QString("Date.prototype.getUTCHours") << QString("getUTCHours");
QTest::newRow("Date.prototype.getMinutes") << QString("Date.prototype.getMinutes") << QString("getMinutes");
QTest::newRow("Date.prototype.getUTCMinutes") << QString("Date.prototype.getUTCMinutes") << QString("getUTCMinutes");
QTest::newRow("Date.prototype.getSeconds") << QString("Date.prototype.getSeconds") << QString("getSeconds");
QTest::newRow("Date.prototype.getUTCSeconds") << QString("Date.prototype.getUTCSeconds") << QString("getUTCSeconds");
QTest::newRow("Date.prototype.getMilliseconds") << QString("Date.prototype.getMilliseconds") << QString("getMilliseconds");
QTest::newRow("Date.prototype.getUTCMilliseconds") << QString("Date.prototype.getUTCMilliseconds") << QString("getUTCMilliseconds");
QTest::newRow("Date.prototype.getTimezoneOffset") << QString("Date.prototype.getTimezoneOffset") << QString("getTimezoneOffset");
QTest::newRow("Date.prototype.setTime") << QString("Date.prototype.setTime") << QString("setTime");
QTest::newRow("Date.prototype.setMilliseconds") << QString("Date.prototype.setMilliseconds") << QString("setMilliseconds");
QTest::newRow("Date.prototype.setUTCMilliseconds") << QString("Date.prototype.setUTCMilliseconds") << QString("setUTCMilliseconds");
QTest::newRow("Date.prototype.setSeconds") << QString("Date.prototype.setSeconds") << QString("setSeconds");
QTest::newRow("Date.prototype.setUTCSeconds") << QString("Date.prototype.setUTCSeconds") << QString("setUTCSeconds");
QTest::newRow("Date.prototype.setMinutes") << QString("Date.prototype.setMinutes") << QString("setMinutes");
QTest::newRow("Date.prototype.setUTCMinutes") << QString("Date.prototype.setUTCMinutes") << QString("setUTCMinutes");
QTest::newRow("Date.prototype.setHours") << QString("Date.prototype.setHours") << QString("setHours");
QTest::newRow("Date.prototype.setUTCHours") << QString("Date.prototype.setUTCHours") << QString("setUTCHours");
QTest::newRow("Date.prototype.setDate") << QString("Date.prototype.setDate") << QString("setDate");
QTest::newRow("Date.prototype.setUTCDate") << QString("Date.prototype.setUTCDate") << QString("setUTCDate");
QTest::newRow("Date.prototype.setMonth") << QString("Date.prototype.setMonth") << QString("setMonth");
QTest::newRow("Date.prototype.setUTCMonth") << QString("Date.prototype.setUTCMonth") << QString("setUTCMonth");
QTest::newRow("Date.prototype.setYear") << QString("Date.prototype.setYear") << QString("setYear");
QTest::newRow("Date.prototype.setFullYear") << QString("Date.prototype.setFullYear") << QString("setFullYear");
QTest::newRow("Date.prototype.setUTCFullYear") << QString("Date.prototype.setUTCFullYear") << QString("setUTCFullYear");
QTest::newRow("Date.prototype.toUTCString") << QString("Date.prototype.toUTCString") << QString("toUTCString");
QTest::newRow("Date.prototype.toGMTString") << QString("Date.prototype.toGMTString") << QString("toUTCString"); // yes, this is per spec
QTest::newRow("Error") << QString("Error") << QString("Error");
// QTest::newRow("Error.prototype.backtrace") << QString("Error.prototype.backtrace") << QString("backtrace");
QTest::newRow("Error.prototype.toString") << QString("Error.prototype.toString") << QString("toString");
QTest::newRow("EvalError") << QString("EvalError") << QString("EvalError");
QTest::newRow("RangeError") << QString("RangeError") << QString("RangeError");
QTest::newRow("ReferenceError") << QString("ReferenceError") << QString("ReferenceError");
QTest::newRow("SyntaxError") << QString("SyntaxError") << QString("SyntaxError");
QTest::newRow("TypeError") << QString("TypeError") << QString("TypeError");
QTest::newRow("URIError") << QString("URIError") << QString("URIError");
QTest::newRow("Function") << QString("Function") << QString("Function");
QTest::newRow("Function.prototype.toString") << QString("Function.prototype.toString") << QString("toString");
QTest::newRow("Function.prototype.apply") << QString("Function.prototype.apply") << QString("apply");
QTest::newRow("Function.prototype.call") << QString("Function.prototype.call") << QString("call");
/* In V8, those function are only there for signals
QTest::newRow("Function.prototype.connect") << QString("Function.prototype.connect") << QString("connect");
QTest::newRow("Function.prototype.disconnect") << QString("Function.prototype.disconnect") << QString("disconnect");*/
QTest::newRow("Math.abs") << QString("Math.abs") << QString("abs");
QTest::newRow("Math.acos") << QString("Math.acos") << QString("acos");
QTest::newRow("Math.asin") << QString("Math.asin") << QString("asin");
QTest::newRow("Math.atan") << QString("Math.atan") << QString("atan");
QTest::newRow("Math.atan2") << QString("Math.atan2") << QString("atan2");
QTest::newRow("Math.ceil") << QString("Math.ceil") << QString("ceil");
QTest::newRow("Math.cos") << QString("Math.cos") << QString("cos");
QTest::newRow("Math.exp") << QString("Math.exp") << QString("exp");
QTest::newRow("Math.floor") << QString("Math.floor") << QString("floor");
QTest::newRow("Math.log") << QString("Math.log") << QString("log");
QTest::newRow("Math.max") << QString("Math.max") << QString("max");
QTest::newRow("Math.min") << QString("Math.min") << QString("min");
QTest::newRow("Math.pow") << QString("Math.pow") << QString("pow");
QTest::newRow("Math.random") << QString("Math.random") << QString("random");
QTest::newRow("Math.round") << QString("Math.round") << QString("round");
QTest::newRow("Math.sign") << QString("Math.sign") << QString("sign");
QTest::newRow("Math.sin") << QString("Math.sin") << QString("sin");
QTest::newRow("Math.sqrt") << QString("Math.sqrt") << QString("sqrt");
QTest::newRow("Math.tan") << QString("Math.tan") << QString("tan");
QTest::newRow("Number") << QString("Number") << QString("Number");
QTest::newRow("Number.isFinite") << QString("Number.isFinite") << QString("isFinite");
QTest::newRow("Number.isNaN") << QString("Number.isNaN") << QString("isNaN");
QTest::newRow("Number.prototype.toString") << QString("Number.prototype.toString") << QString("toString");
QTest::newRow("Number.prototype.toLocaleString") << QString("Number.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Number.prototype.valueOf") << QString("Number.prototype.valueOf") << QString("valueOf");
QTest::newRow("Number.prototype.toFixed") << QString("Number.prototype.toFixed") << QString("toFixed");
QTest::newRow("Number.prototype.toExponential") << QString("Number.prototype.toExponential") << QString("toExponential");
QTest::newRow("Number.prototype.toPrecision") << QString("Number.prototype.toPrecision") << QString("toPrecision");
QTest::newRow("Object") << QString("Object") << QString("Object");
QTest::newRow("Object.prototype.toString") << QString("Object.prototype.toString") << QString("toString");
QTest::newRow("Object.prototype.toLocaleString") << QString("Object.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Object.prototype.valueOf") << QString("Object.prototype.valueOf") << QString("valueOf");
QTest::newRow("Object.prototype.hasOwnProperty") << QString("Object.prototype.hasOwnProperty") << QString("hasOwnProperty");
QTest::newRow("Object.prototype.isPrototypeOf") << QString("Object.prototype.isPrototypeOf") << QString("isPrototypeOf");
QTest::newRow("Object.prototype.propertyIsEnumerable") << QString("Object.prototype.propertyIsEnumerable") << QString("propertyIsEnumerable");
QTest::newRow("Object.prototype.__defineGetter__") << QString("Object.prototype.__defineGetter__") << QString("__defineGetter__");
QTest::newRow("Object.prototype.__defineSetter__") << QString("Object.prototype.__defineSetter__") << QString("__defineSetter__");
QTest::newRow("RegExp") << QString("RegExp") << QString("RegExp");
QTest::newRow("RegExp.prototype.exec") << QString("RegExp.prototype.exec") << QString("exec");
QTest::newRow("RegExp.prototype.test") << QString("RegExp.prototype.test") << QString("test");
QTest::newRow("RegExp.prototype.toString") << QString("RegExp.prototype.toString") << QString("toString");
QTest::newRow("String") << QString("String") << QString("String");
QTest::newRow("String.prototype.toString") << QString("String.prototype.toString") << QString("toString");
QTest::newRow("String.prototype.valueOf") << QString("String.prototype.valueOf") << QString("valueOf");
QTest::newRow("String.prototype.charAt") << QString("String.prototype.charAt") << QString("charAt");
QTest::newRow("String.prototype.charCodeAt") << QString("String.prototype.charCodeAt") << QString("charCodeAt");
QTest::newRow("String.prototype.concat") << QString("String.prototype.concat") << QString("concat");
QTest::newRow("String.prototype.endsWith") << QString("String.prototype.endsWith") << QString("endsWith");
QTest::newRow("String.prototype.includes") << QString("String.prototype.includes") << QString("includes");
QTest::newRow("String.prototype.indexOf") << QString("String.prototype.indexOf") << QString("indexOf");
QTest::newRow("String.prototype.lastIndexOf") << QString("String.prototype.lastIndexOf") << QString("lastIndexOf");
QTest::newRow("String.prototype.localeCompare") << QString("String.prototype.localeCompare") << QString("localeCompare");
QTest::newRow("String.prototype.match") << QString("String.prototype.match") << QString("match");
QTest::newRow("String.prototype.repeat") << QString("String.prototype.repeat") << QString("repeat");
QTest::newRow("String.prototype.replace") << QString("String.prototype.replace") << QString("replace");
QTest::newRow("String.prototype.search") << QString("String.prototype.search") << QString("search");
QTest::newRow("String.prototype.slice") << QString("String.prototype.slice") << QString("slice");
QTest::newRow("String.prototype.split") << QString("String.prototype.split") << QString("split");
QTest::newRow("String.prototype.startsWith") << QString("String.prototype.startsWith") << QString("startsWith");
QTest::newRow("String.prototype.substring") << QString("String.prototype.substring") << QString("substring");
QTest::newRow("String.prototype.toLowerCase") << QString("String.prototype.toLowerCase") << QString("toLowerCase");
QTest::newRow("String.prototype.toLocaleLowerCase") << QString("String.prototype.toLocaleLowerCase") << QString("toLocaleLowerCase");
QTest::newRow("String.prototype.toUpperCase") << QString("String.prototype.toUpperCase") << QString("toUpperCase");
QTest::newRow("String.prototype.toLocaleUpperCase") << QString("String.prototype.toLocaleUpperCase") << QString("toLocaleUpperCase");
}
void tst_QJSEngine::builtinFunctionNames()
{
QFETCH(QString, expression);
QFETCH(QString, expectedName);
QJSEngine eng;
// The "name" property is actually non-standard, but JSC supports it.
QJSValue ret = eng.evaluate(QString::fromLatin1("%0.name").arg(expression));
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), expectedName);
}
void tst_QJSEngine::evaluate_data()
{
QTest::addColumn<QString>("code");
QTest::addColumn<int>("lineNumber");
QTest::addColumn<bool>("expectHadError");
QTest::addColumn<int>("expectErrorLineNumber");
QTest::newRow("(newline)") << QString("\n") << -1 << false << -1;
QTest::newRow("0 //") << QString("0 //") << -1 << false << -1;
QTest::newRow("/* */") << QString("/* */") << -1 << false << -1;
QTest::newRow("//") << QString("//") << -1 << false << -1;
QTest::newRow("(spaces)") << QString(" ") << -1 << false << -1;
QTest::newRow("(empty)") << QString("") << -1 << false << -1;
QTest::newRow("0") << QString("0") << -1 << false << -1;
QTest::newRow("0=1") << QString("\n0=1;\n") << -1 << true << 2;
QTest::newRow("a=1") << QString("a=1\n") << -1 << false << -1;
QTest::newRow("a=1;K") << QString("a=1;\nK") << -1 << true << 2;
QTest::newRow("f()") << QString("function f()\n"
"{\n"
" var a;\n"
" var b=\";\n" // here's the error
"}\n"
"f();\n")
<< -1 << true << 4;
QTest::newRow("0") << QString("0") << 10 << false << -1;
QTest::newRow("0=1") << QString("\n\n0=1\n") << 10 << true << 12;
QTest::newRow("a=1") << QString("a=1\n") << 10 << false << -1;
QTest::newRow("a=1;K") << QString("a=1;\n\nK") << 10 << true << 12;
QTest::newRow("f()") << QString("function f()\n"
"{\n"
" var a;\n"
"\n\n"
" var b=\";\n" // here's the error
"}\n"
"f();\n")
<< 10 << true << 15;
QTest::newRow("functionThatDoesntExist()")
<< QString(";\n;\n;\nfunctionThatDoesntExist()")
<< -1 << true << 4;
QTest::newRow("for (var p in this) { continue labelThatDoesntExist; }")
<< QString("for (var p in this) {\ncontinue labelThatDoesntExist; }")
<< 4 << true << 5;
QTest::newRow("duplicateLabel: { duplicateLabel: ; }")
<< QString("duplicateLabel: { duplicateLabel: ; }")
<< 12 << true << 12;
QTest::newRow("/=/") << QString("/=/") << -1 << false << -1;
QTest::newRow("/=/g") << QString("/=/g") << -1 << false << -1;
QTest::newRow("/a/") << QString("/a/") << -1 << false << -1;
QTest::newRow("/a/g") << QString("/a/g") << -1 << false << -1;
QTest::newRow("/a/gim") << QString("/a/gim") << -1 << false << -1;
QTest::newRow("/a/gimp") << QString("/a/gimp") << 1 << true << 1;
QTest::newRow("empty-array-concat") << QString("var a = []; var b = [1]; var c = a.concat(b); ") << 1 << false << -1;
QTest::newRow("object-literal") << QString("var a = {\"0\":\"#\",\"2\":\"#\",\"5\":\"#\",\"8\":\"#\",\"6\":\"#\",\"12\":\"#\",\"13\":\"#\",\"16\":\"#\",\"18\":\"#\",\"39\":\"#\",\"40\":\"#\"}") << 1 << false << -1;
}
void tst_QJSEngine::evaluate()
{
QFETCH(QString, code);
QFETCH(int, lineNumber);
QFETCH(bool, expectHadError);
QFETCH(int, expectErrorLineNumber);
QJSEngine eng;
QJSValue ret;
if (lineNumber != -1)
ret = eng.evaluate(code, /*fileName =*/QString(), lineNumber);
else
ret = eng.evaluate(code);
QCOMPARE(ret.isError(), expectHadError);
if (ret.isError()) {
QVERIFY(ret.property("lineNumber").strictlyEquals(eng.toScriptValue(expectErrorLineNumber)));
}
}
void tst_QJSEngine::errorMessage_QT679()
{
QJSEngine engine;
engine.globalObject().setProperty("foo", 15);
QJSValue error = engine.evaluate("'hello world';\nfoo.bar.blah");
QVERIFY(error.isError());
QVERIFY(error.toString().startsWith(QString::fromLatin1("TypeError: ")));
}
struct Foo {
public:
int x = -1, y = -1;
Foo() {}
};
Q_DECLARE_METATYPE(Foo)
Q_DECLARE_METATYPE(Foo*)
Q_DECLARE_METATYPE(QList<Foo>)
Q_DECLARE_METATYPE(QVector<QChar>)
Q_DECLARE_METATYPE(QStack<int>)
Q_DECLARE_METATYPE(QQueue<char>)
void tst_QJSEngine::valueConversion_basic()
{
QJSEngine eng;
{
QJSValue num = eng.toScriptValue(123);
QCOMPARE(num.isNumber(), true);
QCOMPARE(num.strictlyEquals(eng.toScriptValue(123)), true);
int inum = eng.fromScriptValue<int>(num);
QCOMPARE(inum, 123);
QString snum = eng.fromScriptValue<QString>(num);
QCOMPARE(snum, QLatin1String("123"));
}
{
QJSValue num = eng.toScriptValue(123);
QCOMPARE(num.isNumber(), true);
QCOMPARE(num.strictlyEquals(eng.toScriptValue(123)), true);
int inum = eng.fromScriptValue<int>(num);
QCOMPARE(inum, 123);
QString snum = eng.fromScriptValue<QString>(num);
QCOMPARE(snum, QLatin1String("123"));
}
{
QJSValue num = eng.toScriptValue(123);
QCOMPARE(eng.fromScriptValue<char>(num), char(123));
QCOMPARE(eng.fromScriptValue<unsigned char>(num), (unsigned char)(123));
QCOMPARE(eng.fromScriptValue<short>(num), short(123));
QCOMPARE(eng.fromScriptValue<unsigned short>(num), (unsigned short)(123));
QCOMPARE(eng.fromScriptValue<float>(num), float(123));
QCOMPARE(eng.fromScriptValue<double>(num), double(123));
QCOMPARE(eng.fromScriptValue<long>(num), long(123));
QCOMPARE(eng.fromScriptValue<ulong>(num), ulong(123));
QCOMPARE(eng.fromScriptValue<qlonglong>(num), qlonglong(123));
QCOMPARE(eng.fromScriptValue<qulonglong>(num), qulonglong(123));
}
{
QJSValue num(123);
QCOMPARE(eng.fromScriptValue<char>(num), char(123));
QCOMPARE(eng.fromScriptValue<unsigned char>(num), (unsigned char)(123));
QCOMPARE(eng.fromScriptValue<short>(num), short(123));
QCOMPARE(eng.fromScriptValue<unsigned short>(num), (unsigned short)(123));
QCOMPARE(eng.fromScriptValue<float>(num), float(123));
QCOMPARE(eng.fromScriptValue<double>(num), double(123));
QCOMPARE(eng.fromScriptValue<long>(num), long(123));
QCOMPARE(eng.fromScriptValue<ulong>(num), ulong(123));
QCOMPARE(eng.fromScriptValue<qlonglong>(num), qlonglong(123));
QCOMPARE(eng.fromScriptValue<qulonglong>(num), qulonglong(123));
}
{
QJSValue num = eng.toScriptValue(Q_INT64_C(0x100000000));
QCOMPARE(eng.fromScriptValue<qlonglong>(num), Q_INT64_C(0x100000000));
QCOMPARE(eng.fromScriptValue<qulonglong>(num), Q_UINT64_C(0x100000000));
}
{
QChar c = QLatin1Char('c');
QJSValue str = eng.toScriptValue(QString::fromLatin1("ciao"));
QCOMPARE(eng.fromScriptValue<QChar>(str), c);
QJSValue code = eng.toScriptValue(c.unicode());
QCOMPARE(eng.fromScriptValue<QChar>(code), c);
QCOMPARE(eng.fromScriptValue<QChar>(eng.toScriptValue(c)), c);
}
{
QList<QObject *> list = {this};
QQmlListProperty<QObject> prop(this, &list);
QJSValue jsVal = eng.toScriptValue(prop);
QCOMPARE(eng.fromScriptValue<QQmlListProperty<QObject>>(jsVal), prop);
}
QVERIFY(eng.toScriptValue(static_cast<void *>(nullptr)).isNull());
}
void tst_QJSEngine::valueConversion_QVariant()
{
QJSEngine eng;
// qScriptValueFromValue() should be "smart" when the argument is a QVariant
{
QJSValue val = eng.toScriptValue(QVariant());
QVERIFY(!val.isVariant());
QVERIFY(val.isUndefined());
}
// Checking nested QVariants
{
QVariant tmp1;
QVariant tmp2(QMetaType::fromType<QVariant>(), &tmp1);
QCOMPARE(QMetaType::Type(tmp2.userType()), QMetaType::QVariant);
QJSValue val1 = eng.toScriptValue(tmp1);
QJSValue val2 = eng.toScriptValue(tmp2);
QVERIFY(val1.isUndefined());
QVERIFY(!val2.isUndefined());
QVERIFY(!val1.isVariant());
QVERIFY(val2.isVariant());
}
{
QVariant tmp1(123);
QVariant tmp2(QMetaType::fromType<QVariant>(), &tmp1);
QVariant tmp3(QMetaType::fromType<QVariant>(), &tmp2);
QCOMPARE(QMetaType::Type(tmp1.userType()), QMetaType::Int);
QCOMPARE(QMetaType::Type(tmp2.userType()), QMetaType::QVariant);
QCOMPARE(QMetaType::Type(tmp3.userType()), QMetaType::QVariant);
QJSValue val1 = eng.toScriptValue(tmp2);
QJSValue val2 = eng.toScriptValue(tmp3);
QVERIFY(!val1.isUndefined());
QVERIFY(!val2.isUndefined());
QVERIFY(val1.isVariant());
QVERIFY(val2.isVariant());
QCOMPARE(val1.toVariant(), tmp2);
QCOMPARE(val2.toVariant(), tmp3);
}
{
QJSValue val = eng.toScriptValue(QVariant(true));
QVERIFY(!val.isVariant());
QVERIFY(val.isBool());
QCOMPARE(val.toBool(), true);
}
{
QJSValue val = eng.toScriptValue(QVariant(int(123)));
QVERIFY(!val.isVariant());
QVERIFY(val.isNumber());
QCOMPARE(val.toNumber(), qreal(123));
}
{
QJSValue val = eng.toScriptValue(QVariant(qreal(1.25)));
QVERIFY(!val.isVariant());
QVERIFY(val.isNumber());
QCOMPARE(val.toNumber(), qreal(1.25));
}
{
QString str = QString::fromLatin1("ciao");
QJSValue val = eng.toScriptValue(QVariant(str));
QVERIFY(!val.isVariant());
QVERIFY(val.isString());
QCOMPARE(val.toString(), str);
}
{
QJSValue val = eng.toScriptValue(QVariant::fromValue((QObject*)this));
QVERIFY(!val.isVariant());
QVERIFY(val.isQObject());
QCOMPARE(val.toQObject(), (QObject*)this);
}
{
QVariant var = QVariant::fromValue(QPoint(123, 456));
QJSValue val = eng.toScriptValue(var);
QVERIFY(!val.isVariant());
QCOMPARE(val.toVariant(), var);
}
QCOMPARE(qjsvalue_cast<QVariant>(QJSValue(123)), QVariant(123));
QVERIFY(eng.toScriptValue(QVariant(QMetaType::fromType<void *>(), nullptr)).isNull());
QVERIFY(eng.toScriptValue(QVariant::fromValue(nullptr)).isNull());
{
QVariantMap map;
map.insert("42", "the answer to life the universe and everything");
QJSValue val = eng.toScriptValue(map);
QVERIFY(val.isObject());
QCOMPARE(val.property(42).toString(), map.value(QStringLiteral("42")).toString());
}
}
void tst_QJSEngine::valueConversion_basic2()
{
QJSEngine eng;
// more built-in types
{
QJSValue val = eng.toScriptValue(uint(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt(), 123);
}
{
QJSValue val = eng.toScriptValue(qulonglong(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt(), 123);
}
{
QJSValue val = eng.toScriptValue(float(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt(), 123);
}
{
QJSValue val = eng.toScriptValue(short(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt(), 123);
}
{
QJSValue val = eng.toScriptValue(ushort(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt(), 123);
}
{
QJSValue val = eng.toScriptValue(char(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt(), 123);
}
{
QJSValue val = eng.toScriptValue(uchar(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt(), 123);
}
}
void tst_QJSEngine::valueConversion_dateTime()
{
QJSEngine eng;
{
QDateTime in = QDateTime::currentDateTime();
QJSValue val = eng.toScriptValue(in);
QVERIFY(val.isDate());
QCOMPARE(val.toDateTime(), in);
}
{
QDate in = QDate::currentDate();
QJSValue val = eng.toScriptValue(in);
QVERIFY(val.isDate());
QCOMPARE(val.toDateTime().date(), in);
}
}
void tst_QJSEngine::valueConversion_RegularExpression()
{
QJSEngine eng;
{
QRegularExpression in = QRegularExpression("foo");
QJSValue val = eng.toScriptValue(in);
QVERIFY(val.isRegExp());
QRegularExpression out = qjsvalue_cast<QRegularExpression>(val);
QCOMPARE(out.pattern(), in.pattern());
QCOMPARE(out.patternOptions(), in.patternOptions());
}
{
QRegularExpression in = QRegularExpression("foo",
QRegularExpression::CaseInsensitiveOption);
QJSValue val = eng.toScriptValue(in);
QVERIFY(val.isRegExp());
QCOMPARE(qjsvalue_cast<QRegularExpression>(val), in);
QRegularExpression out = qjsvalue_cast<QRegularExpression>(val);
QCOMPARE(out.patternOptions(), in.patternOptions());
}
}
class Klazz : public QObject,
public QStandardItem,
public QQmlParserStatus
{
Q_INTERFACES(QQmlParserStatus)
Q_OBJECT
public:
Klazz(QObject *parent = nullptr) : QObject(parent) { }
void classBegin() override {}
void componentComplete() override {}
};
Q_DECLARE_METATYPE(Klazz*)
Q_DECLARE_METATYPE(QStandardItem*)
void tst_QJSEngine::castWithMultipleInheritance()
{
QJSEngine eng;
Klazz klz;
QJSValue v = eng.newQObject(&klz);
QCOMPARE(qjsvalue_cast<Klazz*>(v), &klz);
QCOMPARE(qjsvalue_cast<QQmlParserStatus*>(v), (QQmlParserStatus *)&klz);
QCOMPARE(qjsvalue_cast<QObject*>(v), (QObject *)&klz);
QCOMPARE(qjsvalue_cast<QStandardItem*>(v), (QStandardItem *)&klz);
}
void tst_QJSEngine::collectGarbage()
{
QJSEngine eng;
eng.evaluate("a = new Object(); a = new Object(); a = new Object()");
QJSValue a = eng.newObject();
a = eng.newObject();
a = eng.newObject();
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != nullptr);
(void)eng.newQObject(ptr);
gc(*eng.handle(), GCFlags::DontSendPostedEvents);
if (ptr)
QGuiApplication::sendPostedEvents(ptr, QEvent::DeferredDelete);
QVERIFY(ptr.isNull());
}
class TestObjectContainer : public QObject
{
Q_OBJECT
Q_PROPERTY(QObject *dummy MEMBER m_dummy CONSTANT)
public:
TestObjectContainer() : m_dummy(new QObject(this)) {}
private:
QObject *m_dummy;
};
void tst_QJSEngine::collectGarbageNestedWrappersTwoEngines()
{
QJSEngine engine1;
QJSEngine engine2;
TestObjectContainer container;
QQmlEngine::setObjectOwnership(&container, QQmlEngine::CppOwnership);
engine1.globalObject().setProperty("foobar", engine1.newQObject(&container));
engine2.globalObject().setProperty("foobar", engine2.newQObject(&container));
engine1.evaluate("foobar.dummy.baz = 42");
engine2.evaluate("foobar.dummy.baz = 43");
QCOMPARE(engine1.evaluate("foobar.dummy.baz").toInt(), 42);
QCOMPARE(engine2.evaluate("foobar.dummy.baz").toInt(), 43);
gc(*engine1.handle());
gc(*engine2.handle());
// The GC should not collect dummy object wrappers neither in engine1 nor engine2, we
// verify that by checking whether the baz property still has its previous value.
QCOMPARE(engine1.evaluate("foobar.dummy.baz").toInt(), 42);
QCOMPARE(engine2.evaluate("foobar.dummy.baz").toInt(), 43);
}
void tst_QJSEngine::gcWithNestedDataStructure()
{
// The GC must be able to traverse deeply nested objects, otherwise this
// test would crash.
QJSEngine eng;
eng.installExtensions(QJSEngine::GarbageCollectionExtension);
QJSValue ret = eng.evaluate(
"function makeList(size)"
"{"
" var head = { };"
" var l = head;"
" for (var i = 0; i < size; ++i) {"
" l.data = i + \"\";"
" l.next = { }; l = l.next;"
" }"
" l.next = null;"
" return head;"
"}");
QVERIFY(!ret.isError());
const int size = 200;
QJSValue head = eng.evaluate(QString::fromLatin1("makeList(%0)").arg(size));
QVERIFY(!head.isError());
for (int x = 0; x < 2; ++x) {
if (x == 1)
eng.evaluate("gc()");
QJSValue l = head;
// Make sure all the nodes are still alive.
for (int i = 0; i < 200; ++i) {
QCOMPARE(l.property("data").toString(), QString::number(i));
l = l.property("next");
}
}
}
void tst_QJSEngine::stacktrace()
{
QString script = QString::fromLatin1(
"function foo(counter) {\n"
" switch (counter) {\n"
" case 0: foo(counter+1); break;\n"
" case 1: foo(counter+1); break;\n"
" case 2: foo(counter+1); break;\n"
" case 3: foo(counter+1); break;\n"
" case 4: foo(counter+1); break;\n"
" default:\n"
" throw new Error('blah');\n"
" }\n"
"}\n"
"foo(0);");
const QString fileName("testfile");
QStringList backtrace;
backtrace << "foo(5)@testfile:9"
<< "foo(4)@testfile:7"
<< "foo(3)@testfile:6"
<< "foo(2)@testfile:5"
<< "foo(1)@testfile:4"
<< "foo(0)@testfile:3"
<< "<global>()@testfile:12";
QJSEngine eng;
QJSValue result = eng.evaluate(script, fileName);
QVERIFY(result.isError());
QJSValue stack = result.property("stack");
QJSValueIterator it(stack);
int counter = 5;
while (it.hasNext()) {
it.next();
QJSValue obj = it.value();
QJSValue frame = obj.property("frame");
QCOMPARE(obj.property("fileName").toString(), fileName);
if (counter >= 0) {
QJSValue callee = frame.property("arguments").property("callee");
QVERIFY(callee.strictlyEquals(eng.globalObject().property("foo")));
QCOMPARE(obj.property("functionName").toString(), QString("foo"));
int line = obj.property("lineNumber").toInt();
if (counter == 5)
QCOMPARE(line, 9);
else
QCOMPARE(line, 3 + counter);
} else {
QVERIFY(frame.strictlyEquals(eng.globalObject()));
QVERIFY(obj.property("functionName").toString().isEmpty());
}
--counter;
}
// throw something that isn't an Error object
// ###FIXME: No uncaughtExceptionBacktrace: QVERIFY(eng.uncaughtExceptionBacktrace().isEmpty());
QString script2 = QString::fromLatin1(
"function foo(counter) {\n"
" switch (counter) {\n"
" case 0: foo(counter+1); break;\n"
" case 1: foo(counter+1); break;\n"
" case 2: foo(counter+1); break;\n"
" case 3: foo(counter+1); break;\n"
" case 4: foo(counter+1); break;\n"
" default:\n"
" throw 'just a string';\n"
" }\n"
"}\n"
"foo(0);");
QJSValue result2 = eng.evaluate(script2, fileName);
QVERIFY(!result2.isError());
QVERIFY(result2.isString());
{
QString script3 = QString::fromLatin1(
"'use strict'\n"
"function throwUp() { throw new Error('up') }\n"
"function indirectlyThrow() { return throwUp() }\n"
"indirectlyThrow()\n"
);
QJSValue result3 = eng.evaluate(script3);
QVERIFY(result3.isError());
QJSValue stack = result3.property("stack");
QVERIFY(stack.isString());
QString stackTrace = stack.toString();
QVERIFY(!stackTrace.contains(QStringLiteral("indirectlyThrow")));
QVERIFY(stackTrace.contains(QStringLiteral("elide")));
}
}
void tst_QJSEngine::unshiftAndSort()
{
QJSEngine engine;
QJSValue func = engine.evaluate(R"""(
(function (objectArr, currIdx) {
objectArr.unshift({"sortIndex": currIdx});
objectArr.sort(function(a, b) {
if (a.sortIndex > b.sortIndex)
return 1;
if (a.sortIndex < b.sortIndex)
return -1;
return 0;
});
return objectArr;
})
)""");
QVERIFY(func.isCallable());
QJSValue objectArr = engine.newArray();
for (int i = 0; i < 5; ++i) {
objectArr = func.call({objectArr, i});
QVERIFY2(!objectArr.isError(), qPrintable(objectArr.toString()));
const int length = objectArr.property("length").toInt();
// It did add one element
QCOMPARE(length, i + 1);
for (int x = 0; x < length; ++x) {
// We didn't sort cruft into the array.
QVERIFY(!objectArr.property(x).isUndefined());
// The array is actually sorted.
QCOMPARE(objectArr.property(x).property("sortIndex").toInt(), x);
}
}
}
void tst_QJSEngine::unshiftAndPushAndSort()
{
QJSEngine engine;
QJSValue func = engine.evaluate(R"""(
(function (objectArr, currIdx) {
objectArr.unshift({"sortIndex": currIdx});
objectArr.push({"sortIndex": currIdx + 1});
objectArr.sort(function(a, b) {
if (a.sortIndex > b.sortIndex)
return 1;
if (a.sortIndex < b.sortIndex)
return -1;
return 0;
});
return objectArr;
})
)""");
QVERIFY(func.isCallable());
QJSValue objectArr = engine.newArray();
for (int i = 0; i < 20; i += 2) {
objectArr = func.call({objectArr, i});
QVERIFY2(!objectArr.isError(), qPrintable(objectArr.toString()));
const int length = objectArr.property("length").toInt();
// It did add 2 elements
QCOMPARE(length, i + 2);
for (int x = 0; x < length; ++x) {
// We didn't sort cruft into the array.
QVERIFY(!objectArr.property(x).isUndefined());
// The array is actually sorted.
QCOMPARE(objectArr.property(x).property("sortIndex").toInt(), x);
}
}
}
void tst_QJSEngine::numberParsing_data()
{
QTest::addColumn<QString>("string");
QTest::addColumn<qreal>("expect");
QTest::newRow("decimal 0") << QString("0") << qreal(0);
// QTest::newRow("octal 0") << QString("00") << qreal(00);
QTest::newRow("hex 0") << QString("0x0") << qreal(0x0);
QTest::newRow("decimal 100") << QString("100") << qreal(100);
QTest::newRow("hex 100") << QString("0x100") << qreal(0x100);
// QTest::newRow("octal 100") << QString("0100") << qreal(0100);
QTest::newRow("decimal 4G") << QString("4294967296") << qreal(Q_UINT64_C(4294967296));
QTest::newRow("hex 4G") << QString("0x100000000") << qreal(Q_UINT64_C(0x100000000));
// QTest::newRow("octal 4G") << QString("040000000000") << qreal(Q_UINT64_C(040000000000));
QTest::newRow("0.5") << QString("0.5") << qreal(0.5);
QTest::newRow("1.5") << QString("1.5") << qreal(1.5);
QTest::newRow("1e2") << QString("1e2") << qreal(100);
}
void tst_QJSEngine::numberParsing()
{
QFETCH(QString, string);
QFETCH(qreal, expect);
QJSEngine eng;
QJSValue ret = eng.evaluate(string);
QVERIFY(ret.isNumber());
qreal actual = ret.toNumber();
QCOMPARE(actual, expect);
}
// see ECMA-262, section 7.9
// This is testing ECMA compliance, not our C++ API, but it's important that
// the back-end is conformant in this regard.
void tst_QJSEngine::automaticSemicolonInsertion()
{
QJSEngine eng;
{
QJSValue ret = eng.evaluate("{ 1 2 } 3");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
QJSValue ret = eng.evaluate("{ 1\n2 } 3");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 3);
}
{
QJSValue ret = eng.evaluate("for (a; b\n)");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
QJSValue ret = eng.evaluate("(function() { return\n1 + 2 })()");
QVERIFY(ret.isUndefined());
}
{
eng.evaluate("c = 2; b = 1");
QJSValue ret = eng.evaluate("a = b\n++c");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 3);
}
{
QJSValue ret = eng.evaluate("if (a > b)\nelse c = d");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
eng.evaluate("function c() { return { foo: function() { return 5; } } }");
eng.evaluate("b = 1; d = 2; e = 3");
QJSValue ret = eng.evaluate("a = b + c\n(d + e).foo()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 6);
}
{
QJSValue ret = eng.evaluate("throw\n1");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
QJSValue ret = eng.evaluate("a = Number(1)\n++a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 2);
}
// "a semicolon is never inserted automatically if the semicolon
// would then be parsed as an empty statement"
{
eng.evaluate("a = 123");
QJSValue ret = eng.evaluate("if (0)\n ++a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 123);
}
{
eng.evaluate("a = 123");
QJSValue ret = eng.evaluate("if (0)\n --a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 123);
}
{
eng.evaluate("a = 123");
QJSValue ret = eng.evaluate("if ((0))\n ++a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 123);
}
{
eng.evaluate("a = 123");
QJSValue ret = eng.evaluate("if ((0))\n --a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 123);
}
{
eng.evaluate("a = 123");
QJSValue ret = eng.evaluate("if (0\n)\n ++a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 123);
}
{
eng.evaluate("a = 123");
QJSValue ret = eng.evaluate("if (0\n ++a; a");
QVERIFY(ret.isError());
}
{
eng.evaluate("a = 123");
QJSValue ret = eng.evaluate("if (0))\n ++a; a");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("n = 0; for (i = 0; i < 10; ++i)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 10);
}
{
QJSValue ret = eng.evaluate("n = 30; for (i = 0; i < 10; ++i)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 20);
}
{
QJSValue ret = eng.evaluate("n = 0; for (var i = 0; i < 10; ++i)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 10);
}
{
QJSValue ret = eng.evaluate("n = 30; for (var i = 0; i < 10; ++i)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 20);
}
{
QJSValue ret = eng.evaluate("n = 0; i = 0; while (i++ < 10)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 10);
}
{
QJSValue ret = eng.evaluate("n = 30; i = 0; while (i++ < 10)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 20);
}
{
QJSValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 0; for (i in o)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 3);
}
{
QJSValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 9; for (i in o)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 6);
}
{
QJSValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 0; for (var i in o)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 3);
}
{
QJSValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 9; for (var i in o)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 6);
}
{
QJSValue ret = eng.evaluate("o = { n: 3 }; n = 5; with (o)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 5);
}
{
QJSValue ret = eng.evaluate("o = { n: 3 }; n = 10; with (o)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 10);
}
{
QJSValue ret = eng.evaluate("n = 5; i = 0; do\n ++n; while (++i < 10); n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 15);
}
{
QJSValue ret = eng.evaluate("n = 20; i = 0; do\n --n; while (++i < 10); n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 10);
}
{
QJSValue ret = eng.evaluate("n = 1; i = 0; if (n) i\n++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 2);
}
{
QJSValue ret = eng.evaluate("n = 1; i = 0; if (n) i\n--n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 0);
}
{
QJSValue ret = eng.evaluate("if (0)");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("n = 0; if (1) --n;else\n ++n;\n n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), -1);
}
{
QJSValue ret = eng.evaluate("while (0)");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("for (;;)");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("for (p in this)");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("with (this)");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("do");
QVERIFY(ret.isError());
}
}
void tst_QJSEngine::errorConstructors()
{
QJSEngine eng;
QStringList prefixes;
prefixes << "" << "Eval" << "Range" << "Reference" << "Syntax" << "Type" << "URI";
for (int x = 0; x < 3; ++x) {
for (int i = 0; i < prefixes.size(); ++i) {
QString name = prefixes.at(i) + QLatin1String("Error");
QString code = QString(i+1, QLatin1Char('\n'));
if (x == 0)
code += QLatin1String("throw ");
else if (x == 1)
code += QLatin1String("new ");
code += name + QLatin1String("()");
QJSValue ret = eng.evaluate(code);
QVERIFY(ret.isError());
QVERIFY(ret.toString().startsWith(name));
qDebug() << ret.property("stack").toString();
QCOMPARE(ret.property("lineNumber").toInt(), i+2);
}
}
}
void tst_QJSEngine::argumentsProperty_globalContext()
{
QJSEngine eng;
{
// Unlike function calls, the global context doesn't have an
// arguments property.
QJSValue ret = eng.evaluate("arguments");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("ReferenceError")));
}
eng.evaluate("arguments = 10");
{
QJSValue ret = eng.evaluate("arguments");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 10);
}
QVERIFY(eng.evaluate("delete arguments").toBool());
QVERIFY(eng.globalObject().property("arguments").isUndefined());
}
void tst_QJSEngine::argumentsProperty_JS()
{
{
QJSEngine eng;
eng.evaluate("o = { arguments: 123 }");
QJSValue ret = eng.evaluate("with (o) { arguments; }");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 123);
}
{
QJSEngine eng;
QVERIFY(eng.globalObject().property("arguments").isUndefined());
// This is testing ECMA-262 compliance. In function calls, "arguments"
// appears like a local variable, and it can be replaced.
QJSValue ret = eng.evaluate("(function() { arguments = 456; return arguments; })()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 456);
QVERIFY(eng.globalObject().property("arguments").isUndefined());
}
}
void tst_QJSEngine::jsNumberClass()
{
// See ECMA-262 Section 15.7, "Number Objects".
QJSEngine eng;
QJSValue ctor = eng.globalObject().property("Number");
QVERIFY(ctor.property("length").isNumber());
QCOMPARE(ctor.property("length").toNumber(), qreal(1));
QJSValue proto = ctor.property("prototype");
QVERIFY(proto.isObject());
{
QVERIFY(ctor.property("MAX_VALUE").isNumber());
QVERIFY(ctor.property("MIN_VALUE").isNumber());
QVERIFY(ctor.property("NaN").isNumber());
QVERIFY(ctor.property("NEGATIVE_INFINITY").isNumber());
QVERIFY(ctor.property("POSITIVE_INFINITY").isNumber());
QVERIFY(ctor.property("EPSILON").isNumber());
}
QCOMPARE(proto.toNumber(), qreal(0));
QVERIFY(proto.property("constructor").strictlyEquals(ctor));
{
QJSValue ret = eng.evaluate("Number()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qreal(0));
}
{
QJSValue ret = eng.evaluate("Number(123)");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qreal(123));
}
{
QJSValue ret = eng.evaluate("Number('456')");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qreal(456));
}
{
QJSValue ret = eng.evaluate("new Number()");
QVERIFY(!ret.isNumber());
QVERIFY(ret.isObject());
QCOMPARE(ret.toNumber(), qreal(0));
}
{
QJSValue ret = eng.evaluate("new Number(123)");
QVERIFY(!ret.isNumber());
QVERIFY(ret.isObject());
QCOMPARE(ret.toNumber(), qreal(123));
}
{
QJSValue ret = eng.evaluate("new Number('456')");
QVERIFY(!ret.isNumber());
QVERIFY(ret.isObject());
QCOMPARE(ret.toNumber(), qreal(456));
}
QVERIFY(ctor.property("isFinite").isCallable());
{
QJSValue ret = eng.evaluate("Number.isFinite()");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), false);
}
{
QJSValue ret = eng.evaluate("Number.isFinite(NaN)");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), false);
}
{
QJSValue ret = eng.evaluate("Number.isFinite(Infinity)");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), false);
}
{
QJSValue ret = eng.evaluate("Number.isFinite(-Infinity)");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), false);
}
{
QJSValue ret = eng.evaluate("Number.isFinite(123)");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), true);
}
QVERIFY(ctor.property("isNaN").isCallable());
{
QJSValue ret = eng.evaluate("Number.isNaN()");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), false);
}
{
QJSValue ret = eng.evaluate("Number.isNaN(NaN)");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), true);
}
{
QJSValue ret = eng.evaluate("Number.isNaN(123)");
QVERIFY(ret.isBool());
QCOMPARE(ret.toBool(), false);
}
QVERIFY(proto.property("toString").isCallable());
{
QJSValue ret = eng.evaluate("new Number(123).toString()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
}
{
QJSValue ret = eng.evaluate("new Number(123).toString(8)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("173"));
}
{
QJSValue ret = eng.evaluate("new Number(123).toString(16)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("7b"));
}
QVERIFY(proto.property("toLocaleString").isCallable());
{
QJSValue ret = eng.evaluate("new Number(123).toLocaleString()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
}
QVERIFY(proto.property("valueOf").isCallable());
{
QJSValue ret = eng.evaluate("new Number(123).valueOf()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qreal(123));
}
QVERIFY(proto.property("toExponential").isCallable());
{
QJSValue ret = eng.evaluate("new Number(123).toExponential()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("1.23e+2"));
ret = eng.evaluate("new Number(123).toExponential(1)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("1.2e+2"));
ret = eng.evaluate("new Number(123).toExponential(2)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("1.23e+2"));
ret = eng.evaluate("new Number(123).toExponential(3)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("1.230e+2"));
}
QVERIFY(proto.property("toFixed").isCallable());
{
QJSValue ret = eng.evaluate("new Number(123).toFixed()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
ret = eng.evaluate("new Number(123).toFixed(1)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123.0"));
ret = eng.evaluate("new Number(123).toFixed(2)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123.00"));
}
QVERIFY(proto.property("toPrecision").isCallable());
{
QJSValue ret = eng.evaluate("new Number(123).toPrecision()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
ret = eng.evaluate("new Number(42).toPrecision(1)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("4e+1"));
ret = eng.evaluate("new Number(42).toPrecision(2)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("42"));
ret = eng.evaluate("new Number(42).toPrecision(3)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("42.0"));
}
}
void tst_QJSEngine::jsForInStatement_simple()
{
QJSEngine eng;
{
QJSValue ret = eng.evaluate("o = { }; r = []; for (var p in o) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QVERIFY(lst.isEmpty());
}
{
QJSValue ret = eng.evaluate("o = { p: 123 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
{
QJSValue ret = eng.evaluate("o = { p: 123, q: 456 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 2);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
QCOMPARE(lst.at(1), QString::fromLatin1("q"));
}
}
void tst_QJSEngine::jsForInStatement_prototypeProperties()
{
QJSEngine eng;
{
QJSValue ret = eng.evaluate("o = { }; o.__proto__ = { p: 123 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
{
QJSValue ret = eng.evaluate("o = { p: 123 }; o.__proto__ = { q: 456 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 2);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
QCOMPARE(lst.at(1), QString::fromLatin1("q"));
}
{
// shadowed property
QJSValue ret = eng.evaluate("o = { p: 123 }; o.__proto__ = { p: 456 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
}
void tst_QJSEngine::jsForInStatement_mutateWhileIterating()
{
QJSEngine eng;
// deleting property during enumeration
{
QJSValue ret = eng.evaluate("o = { p: 123 }; r = [];"
"for (var p in o) { r[r.length] = p; delete r[p]; } r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
{
QJSValue ret = eng.evaluate("o = { p: 123, q: 456 }; r = [];"
"for (var p in o) { r[r.length] = p; delete o.q; } r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
// adding property during enumeration
{
QJSValue ret = eng.evaluate("o = { p: 123 }; r = [];"
"for (var p in o) { r[r.length] = p; o.q = 456; } r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 2);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
}
void tst_QJSEngine::jsForInStatement_arrays()
{
QJSEngine eng;
{
QJSValue ret = eng.evaluate("a = [123, 456]; r = [];"
"for (var p in a) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 2);
QCOMPARE(lst.at(0), QString::fromLatin1("0"));
QCOMPARE(lst.at(1), QString::fromLatin1("1"));
}
{
QJSValue ret = eng.evaluate("a = [123, 456]; a.foo = 'bar'; r = [];"
"for (var p in a) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 3);
QCOMPARE(lst.at(0), QString::fromLatin1("0"));
QCOMPARE(lst.at(1), QString::fromLatin1("1"));
QCOMPARE(lst.at(2), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("a = [123, 456]; a.foo = 'bar';"
"b = [111, 222, 333]; b.bar = 'baz';"
"a.__proto__ = b; r = [];"
"for (var p in a) r[r.length] = p; r");
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 5);
QCOMPARE(lst.at(0), QString::fromLatin1("0"));
QCOMPARE(lst.at(1), QString::fromLatin1("1"));
QCOMPARE(lst.at(2), QString::fromLatin1("foo"));
QCOMPARE(lst.at(3), QString::fromLatin1("2"));
QCOMPARE(lst.at(4), QString::fromLatin1("bar"));
}
}
void tst_QJSEngine::jsForInStatement_constant()
{
QJSEngine eng;
{
QJSValue ret = eng.evaluate("r = true; for (var p in undefined) r = false; r");
QVERIFY(ret.isBool());
QVERIFY(ret.toBool());
}
{
QJSValue ret = eng.evaluate("r = true; for (var p in null) r = false; r");
QVERIFY(ret.isBool());
QVERIFY(ret.toBool());
}
{
QJSValue ret = eng.evaluate("r = false; for (var p in 1) r = true; r");
QVERIFY(ret.isBool());
QVERIFY(!ret.toBool());
}
{
QJSValue ret = eng.evaluate("r = false; for (var p in 'abc') r = true; r");
QVERIFY(ret.isBool());
QVERIFY(ret.toBool());
}
}
void tst_QJSEngine::with_constant()
{
QJSEngine eng;
{
QJSValue ret = eng.evaluate("r = false; with(null) { r= true; } r");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("r = false; with(undefined) { r= true; } r");
QVERIFY(ret.isError());
}
{
QJSValue ret = eng.evaluate("r = false; with(1) { r= true; } r");
QVERIFY(ret.isBool());
QVERIFY(ret.toBool());
}
}
void tst_QJSEngine::stringObjects()
{
// See ECMA-262 Section 15.5, "String Objects".
QJSEngine eng;
QString str("ciao");
// in C++
{
QJSValue obj = eng.evaluate(QString::fromLatin1("new String('%0')").arg(str));
QCOMPARE(obj.property("length").toInt(), str.size());
for (int i = 0; i < str.size(); ++i) {
QString pname = QString::number(i);
QVERIFY(obj.property(pname).isString());
QCOMPARE(obj.property(pname).toString(), QString(str.at(i)));
QVERIFY(!obj.deleteProperty(pname));
obj.setProperty(pname, 123);
QVERIFY(obj.property(pname).isString());
QCOMPARE(obj.property(pname).toString(), QString(str.at(i)));
}
QVERIFY(obj.property("-1").isUndefined());
QVERIFY(obj.property(QString::number(str.size())).isUndefined());
QJSValue val = eng.toScriptValue(123);
obj.setProperty("-1", val);
QVERIFY(obj.property("-1").strictlyEquals(val));
obj.setProperty("100", val);
QVERIFY(obj.property("100").strictlyEquals(val));
}
{
QJSValue ret = eng.evaluate("s = new String('ciao'); r = []; for (var p in s) r.push(p); r");
QVERIFY(ret.isArray());
QStringList lst = qjsvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), str.size());
for (int i = 0; i < str.size(); ++i)
QCOMPARE(lst.at(i), QString::number(i));
QJSValue ret2 = eng.evaluate("s[0] = 123; s[0]");
QVERIFY(ret2.isString());
QCOMPARE(ret2.toString().size(), 1);
QCOMPARE(ret2.toString().at(0), str.at(0));
QJSValue ret3 = eng.evaluate("s[-1] = 123; s[-1]");
QVERIFY(ret3.isNumber());
QCOMPARE(ret3.toInt(), 123);
QJSValue ret4 = eng.evaluate("s[s.length] = 456; s[s.length]");
QVERIFY(ret4.isNumber());
QCOMPARE(ret4.toInt(), 456);
QJSValue ret5 = eng.evaluate("delete s[0]");
QVERIFY(ret5.isBool());
QVERIFY(!ret5.toBool());
QJSValue ret6 = eng.evaluate("delete s[-1]");
QVERIFY(ret6.isBool());
QVERIFY(ret6.toBool());
QJSValue ret7 = eng.evaluate("delete s[s.length]");
QVERIFY(ret7.isBool());
QVERIFY(ret7.toBool());
}
}
void tst_QJSEngine::jsStringPrototypeReplaceBugs()
{
QJSEngine eng;
// task 212440
{
QJSValue ret = eng.evaluate("replace_args = []; \"a a a\".replace(/(a)/g, function() { replace_args.push(arguments); }); replace_args");
QVERIFY(ret.isArray());
int len = ret.property("length").toInt();
QCOMPARE(len, 3);
for (int i = 0; i < len; ++i) {
QJSValue args = ret.property(i);
QCOMPARE(args.property("length").toInt(), 4);
QCOMPARE(args.property(0).toString(), QString::fromLatin1("a")); // matched string
QCOMPARE(args.property(1).toString(), QString::fromLatin1("a")); // capture
QVERIFY(args.property(2).isNumber());
QCOMPARE(args.property(2).toInt(), i*2); // index of match
QCOMPARE(args.property(3).toString(), QString::fromLatin1("a a a"));
}
}
// task 212501
{
QJSValue ret = eng.evaluate("\"foo\".replace(/a/g, function() {})");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
}
void tst_QJSEngine::getterSetterThisObject_global()
{
{
QJSEngine eng;
// read
eng.evaluate("__defineGetter__('x', function() { return this; });");
{
QJSValue ret = eng.evaluate("x");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QJSValue ret = eng.evaluate("(function() { return x; })()");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QJSValue ret = eng.evaluate("with (this) x");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QJSValue ret = eng.evaluate("with ({}) x");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QJSValue ret = eng.evaluate("(function() { with ({}) return x; })()");
QVERIFY(ret.equals(eng.globalObject()));
}
// write
eng.evaluate("__defineSetter__('x', function() { return this; });");
{
QJSValue ret = eng.evaluate("x = 'foo'");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("(function() { return x = 'foo'; })()");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("with (this) x = 'foo'");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("with ({}) x = 'foo'");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("(function() { with ({}) return x = 'foo'; })()");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
}
}
void tst_QJSEngine::getterSetterThisObject_plain()
{
{
QJSEngine eng;
eng.evaluate("o = {}");
// read
eng.evaluate("o.__defineGetter__('x', function() { return this; })");
QVERIFY(eng.evaluate("o.x === o").toBool());
QVERIFY(eng.evaluate("with (o) x").equals(eng.evaluate("o")));
QVERIFY(eng.evaluate("(function() { with (o) return x; })() === o").toBool());
eng.evaluate("q = {}; with (o) with (q) x").equals(eng.evaluate("o"));
// write
eng.evaluate("o.__defineSetter__('x', function() { return this; });");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(eng.evaluate("(o.x = 'foo') === 'foo'").toBool());
QVERIFY(eng.evaluate("with (o) x = 'foo'").equals("foo"));
QVERIFY(eng.evaluate("with (o) with (q) x = 'foo'").equals("foo"));
}
}
void tst_QJSEngine::getterSetterThisObject_prototypeChain()
{
{
QJSEngine eng;
eng.evaluate("o = {}; p = {}; o.__proto__ = p");
// read
eng.evaluate("p.__defineGetter__('x', function() { return this; })");
QVERIFY(eng.evaluate("o.x === o").toBool());
QVERIFY(eng.evaluate("with (o) x").equals(eng.evaluate("o")));
QVERIFY(eng.evaluate("(function() { with (o) return x; })() === o").toBool());
eng.evaluate("q = {}; with (o) with (q) x").equals(eng.evaluate("o"));
eng.evaluate("with (q) with (o) x").equals(eng.evaluate("o"));
// write
eng.evaluate("o.__defineSetter__('x', function() { return this; });");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(eng.evaluate("(o.x = 'foo') === 'foo'").toBool());
QVERIFY(eng.evaluate("with (o) x = 'foo'").equals("foo"));
QVERIFY(eng.evaluate("with (o) with (q) x = 'foo'").equals("foo"));
}
}
void tst_QJSEngine::jsContinueInSwitch()
{
// This is testing ECMA-262 compliance, not C++ API.
QJSEngine eng;
// switch - continue
{
QJSValue ret = eng.evaluate("switch (1) { default: continue; }");
QVERIFY(ret.isError());
}
// for - switch - case - continue
{
QJSValue ret = eng.evaluate("j = 0; for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1: ++j; continue;\n"
" case 100: ++j; continue;\n"
" case 1000: ++j; continue;\n"
" }\n"
"}; j");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 3);
}
// for - switch - case - default - continue
{
QJSValue ret = eng.evaluate("j = 0; for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1: ++j; continue;\n"
" case 100: ++j; continue;\n"
" case 1000: ++j; continue;\n"
" default: if (i < 50000) break; else continue;\n"
" }\n"
"}; j");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 3);
}
// switch - for - continue
{
QJSValue ret = eng.evaluate("j = 123; switch (j) {\n"
" case 123:\n"
" for (i = 0; i < 100000; ++i) {\n"
" continue;\n"
" }\n"
"}; i\n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 100000);
}
// switch - switch - continue
{
QJSValue ret = eng.evaluate("i = 1; switch (i) { default: switch (i) { case 1: continue; } }");
QVERIFY(ret.isError());
}
// for - switch - switch - continue
{
QJSValue ret = eng.evaluate("j = 0; for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1:\n"
" switch (i) {\n"
" case 1: ++j; continue;\n"
" }\n"
" }\n"
"}; j");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 1);
}
// switch - for - switch - continue
{
QJSValue ret = eng.evaluate("j = 123; switch (j) {\n"
" case 123:\n"
" for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1:\n"
" ++j; continue;\n"
" }\n"
" }\n"
"}; i\n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 100000);
}
}
void tst_QJSEngine::jsShadowReadOnlyPrototypeProperty()
{
QJSEngine eng;
QVERIFY(eng.evaluate("o = {}; o.__proto__ = parseInt; o.length").isNumber());
QVERIFY(eng.evaluate("o.length = 123; o.length").toInt() != 123);
QVERIFY(!eng.evaluate("o.hasOwnProperty('length')").toBool());
}
void tst_QJSEngine::jsReservedWords_data()
{
QTest::addColumn<QString>("word");
QTest::newRow("break") << QString("break");
QTest::newRow("case") << QString("case");
QTest::newRow("catch") << QString("catch");
QTest::newRow("continue") << QString("continue");
QTest::newRow("default") << QString("default");
QTest::newRow("delete") << QString("delete");
QTest::newRow("do") << QString("do");
QTest::newRow("else") << QString("else");
QTest::newRow("false") << QString("false");
QTest::newRow("finally") << QString("finally");
QTest::newRow("for") << QString("for");
QTest::newRow("function") << QString("function");
QTest::newRow("if") << QString("if");
QTest::newRow("in") << QString("in");
QTest::newRow("instanceof") << QString("instanceof");
QTest::newRow("new") << QString("new");
QTest::newRow("null") << QString("null");
QTest::newRow("return") << QString("return");
QTest::newRow("switch") << QString("switch");
QTest::newRow("this") << QString("this");
QTest::newRow("throw") << QString("throw");
QTest::newRow("true") << QString("true");
QTest::newRow("try") << QString("try");
QTest::newRow("typeof") << QString("typeof");
QTest::newRow("var") << QString("var");
QTest::newRow("void") << QString("void");
QTest::newRow("while") << QString("while");
QTest::newRow("with") << QString("with");
}
void tst_QJSEngine::jsReservedWords()
{
// See ECMA-262 Section 7.6.1, "Reserved Words".
// We prefer that the implementation is less strict than the spec; e.g.
// it's good to allow reserved words as identifiers in object literals,
// and when accessing properties using dot notation.
QFETCH(QString, word);
{
QJSEngine eng;
QJSValue ret = eng.evaluate(word + " = 123");
QVERIFY(ret.isError());
QString str = ret.toString();
QVERIFY(str.startsWith("SyntaxError") || str.startsWith("ReferenceError"));
}
{
QJSEngine eng;
QJSValue ret = eng.evaluate("var " + word + " = 123");
QVERIFY(ret.isError());
QVERIFY(ret.toString().startsWith("SyntaxError"));
}
{
QJSEngine eng;
QJSValue ret = eng.evaluate("o = {}; o." + word + " = 123");
// in the old back-end, in SpiderMonkey and in v8, this is allowed, but not in JSC
QVERIFY(!ret.isError());
QVERIFY(ret.strictlyEquals(eng.evaluate("o." + word)));
}
{
QJSEngine eng;
QJSValue ret = eng.evaluate("o = { " + word + ": 123 }");
// in the old back-end, in SpiderMonkey and in v8, this is allowed, but not in JSC
QVERIFY(!ret.isError());
QVERIFY(ret.property(word).isNumber());
}
{
// SpiderMonkey allows this, but we don't
QJSEngine eng;
QJSValue ret = eng.evaluate("function " + word + "() {}");
QVERIFY(ret.isError());
QVERIFY(ret.toString().startsWith("SyntaxError"));
}
}
void tst_QJSEngine::jsFutureReservedWords_data()
{
QTest::addColumn<QString>("word");
QTest::addColumn<bool>("allowed");
QTest::newRow("abstract") << QString("abstract") << true;
QTest::newRow("boolean") << QString("boolean") << true;
QTest::newRow("byte") << QString("byte") << true;
QTest::newRow("char") << QString("char") << true;
QTest::newRow("class") << QString("class") << false;
QTest::newRow("const") << QString("const") << false;
QTest::newRow("debugger") << QString("debugger") << false;
QTest::newRow("double") << QString("double") << true;
QTest::newRow("enum") << QString("enum") << false;
QTest::newRow("export") << QString("export") << false;
QTest::newRow("extends") << QString("extends") << false;
QTest::newRow("final") << QString("final") << true;
QTest::newRow("float") << QString("float") << true;
QTest::newRow("goto") << QString("goto") << true;
QTest::newRow("implements") << QString("implements") << true;
QTest::newRow("import") << QString("import") << false;
QTest::newRow("int") << QString("int") << true;
QTest::newRow("interface") << QString("interface") << true;
QTest::newRow("long") << QString("long") << true;
QTest::newRow("native") << QString("native") << true;
QTest::newRow("package") << QString("package") << true;
QTest::newRow("private") << QString("private") << true;
QTest::newRow("protected") << QString("protected") << true;
QTest::newRow("public") << QString("public") << true;
QTest::newRow("short") << QString("short") << true;
QTest::newRow("static") << QString("static") << true;
QTest::newRow("super") << QString("super") << false;
QTest::newRow("synchronized") << QString("synchronized") << true;
QTest::newRow("throws") << QString("throws") << true;
QTest::newRow("transient") << QString("transient") << true;
QTest::newRow("volatile") << QString("volatile") << true;
}
void tst_QJSEngine::jsFutureReservedWords()
{
// See ECMA-262 Section 7.6.1.2, "Future Reserved Words".
// In real-world implementations, most of these words are
// actually allowed as normal identifiers.
QFETCH(QString, word);
QFETCH(bool, allowed);
{
QJSEngine eng;
QJSValue ret = eng.evaluate(word + " = 123");
QCOMPARE(!ret.isError(), allowed);
}
{
QJSEngine eng;
QJSValue ret = eng.evaluate("var " + word + " = 123");
QCOMPARE(!ret.isError(), allowed);
}
{
QJSEngine eng;
QJSValue ret = eng.evaluate("o = {}; o." + word + " = 123");
QCOMPARE(ret.isNumber(), true);
QCOMPARE(!ret.isError(), true);
}
{
QJSEngine eng;
QJSValue ret = eng.evaluate("o = { " + word + ": 123 }");
QCOMPARE(!ret.isError(), true);
}
}
void tst_QJSEngine::jsThrowInsideWithStatement()
{
// This is testing ECMA-262 compliance, not C++ API.
// task 209988
QJSEngine eng;
{
QJSValue ret = eng.evaluate(
"try {"
" o = { bad : \"bug\" };"
" with (o) {"
" throw 123;"
" }"
"} catch (e) {"
" bad;"
"}");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("ReferenceError")));
}
{
QJSValue ret = eng.evaluate(
"try {"
" o = { bad : \"bug\" };"
" with (o) {"
" throw 123;"
" }"
"} finally {"
" bad;"
"}");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("ReferenceError")));
}
{
QJSValue ret = eng.evaluate(
"o = { bug : \"no bug\" };"
"with (o) {"
" try {"
" throw 123;"
" } finally {"
" bug;"
" }"
"}");
QVERIFY(!ret.isError());
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 123);
}
{
QJSValue ret = eng.evaluate(
"o = { bug : \"no bug\" };"
"with (o) {"
" throw 123;"
"}");
QVERIFY(ret.isNumber());
QJSValue ret2 = eng.evaluate("bug");
QVERIFY(ret2.isError());
QVERIFY(ret2.toString().contains(QString::fromLatin1("ReferenceError")));
}
}
void tst_QJSEngine::reentrancy_globalObjectProperties()
{
QJSEngine eng1;
QJSEngine eng2;
QVERIFY(eng2.globalObject().property("a").isUndefined());
eng1.evaluate("a = 10");
QVERIFY(eng1.globalObject().property("a").isNumber());
QVERIFY(eng2.globalObject().property("a").isUndefined());
eng2.evaluate("a = 20");
QVERIFY(eng2.globalObject().property("a").isNumber());
QCOMPARE(eng1.globalObject().property("a").toInt(), 10);
}
void tst_QJSEngine::reentrancy_Array()
{
// weird bug with JSC backend
{
QJSEngine eng;
QCOMPARE(eng.evaluate("Array()").toString(), QString());
eng.evaluate("Array.prototype.toString");
QCOMPARE(eng.evaluate("Array()").toString(), QString());
}
{
QJSEngine eng;
QCOMPARE(eng.evaluate("Array()").toString(), QString());
}
}
void tst_QJSEngine::reentrancy_objectCreation()
{
// Owned by JS engine, as newQObject() sets JS ownership explicitly
QObject *temp = new QObject();
QJSEngine eng1;
QJSEngine eng2;
{
QDateTime dt = QDateTime::currentDateTime();
QJSValue d1 = eng1.toScriptValue(dt);
QJSValue d2 = eng2.toScriptValue(dt);
QCOMPARE(d1.toDateTime(), d2.toDateTime());
QCOMPARE(d2.toDateTime(), d1.toDateTime());
}
{
QJSValue r1 = eng1.evaluate("new RegExp('foo', 'gim')");
QJSValue r2 = eng2.evaluate("new RegExp('foo', 'gim')");
QCOMPARE(qjsvalue_cast<QRegularExpression>(r1), qjsvalue_cast<QRegularExpression>(r2));
QCOMPARE(qjsvalue_cast<QRegularExpression>(r2), qjsvalue_cast<QRegularExpression>(r1));
}
{
QJSValue o1 = eng1.newQObject(temp);
QJSValue o2 = eng2.newQObject(temp);
QCOMPARE(o1.toQObject(), o2.toQObject());
QCOMPARE(o2.toQObject(), o1.toQObject());
}
}
void tst_QJSEngine::jsIncDecNonObjectProperty()
{
// This is testing ECMA-262 compliance, not C++ API.
QJSEngine eng;
{
QJSValue ret = eng.evaluate("var a; a.n++");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a; a.n--");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a = null; a.n++");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a = null; a.n--");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a; ++a.n");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a; --a.n");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a; a.n += 1");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a; a.n -= 1");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QJSValue ret = eng.evaluate("var a = 'ciao'; a.length++");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 4);
}
{
QJSValue ret = eng.evaluate("var a = 'ciao'; a.length--");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 4);
}
{
QJSValue ret = eng.evaluate("var a = 'ciao'; ++a.length");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 5);
}
{
QJSValue ret = eng.evaluate("var a = 'ciao'; --a.length");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt(), 3);
}
}
void tst_QJSEngine::JSON_Parse()
{
QJSEngine eng;
QJSValue ret = eng.evaluate("var json=\"{\\\"1\\\": null}\"; JSON.parse(json);");
QVERIFY(ret.isObject());
}
void tst_QJSEngine::JSON_Stringify_data()
{
QTest::addColumn<QString>("object");
QTest::addColumn<QString>("json");
// Basic "smoke" test. More tests are provided by test262 suite.
// Don't test with multiple key-value pairs on the same level,
// because serialization order might not be deterministic.
// Note: parenthesis are required, otherwise objects will be interpretted as code blocks.
QTest::newRow("empty") << "({})" << "{}";
QTest::newRow("string") << "({a: 'b'})" << "{\"a\":\"b\"}";
QTest::newRow("number") << "({c: 42})" << "{\"c\":42}";
QTest::newRow("boolean") << "({d: true})" << "{\"d\":true}";
QTest::newRow("key is array") << "({[[12, 34]]: 56})" << "{\"12,34\":56}";
QTest::newRow("value is date") << "({d: new Date('2000-01-20T12:00:00.000Z')})" << "{\"d\":\"2000-01-20T12:00:00.000Z\"}";
}
void tst_QJSEngine::JSON_Stringify()
{
QFETCH(QString, object);
QFETCH(QString, json);
QJSEngine eng;
QJSValue obj = eng.evaluate(object);
QVERIFY(obj.isObject());
QJSValue func = eng.evaluate("(function(obj) { return JSON.stringify(obj); })");
QVERIFY(func.isCallable());
QJSValue ret = func.call(QJSValueList{obj});
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), json);
}
void tst_QJSEngine::JSON_Stringify_WithReplacer_QTBUG_95324()
{
QJSEngine eng;
QJSValue json = eng.evaluate(R"(
function replacer(k, v) {
if (this[k] instanceof Date) {
return Math.floor(this[k].getTime() / 1000.0);
}
return v;
}
const obj = {d: new Date('2000-01-20T12:00:00.000Z')};
JSON.stringify(obj, replacer);
)");
QVERIFY(json.isString());
QCOMPARE(json.toString(), QString::fromLatin1("{\"d\":948369600}"));
}
void tst_QJSEngine::arraySort()
{
// tests that calling Array.sort with a bad sort function doesn't cause issues
// Using std::sort is e.g. not safe when used with a bad sort function and causes
// crashes
QJSEngine eng;
eng.evaluate("function crashMe() {"
" var data = [];"
" for (var i = 0; i < 50; i++) {"
" data[i] = 'whatever';"
" }"
" data.sort(function(a, b) {"
" return -1;"
" });"
"}"
"crashMe();");
}
void tst_QJSEngine::lookupOnDisappearingProperty()
{
QJSEngine eng;
QJSValue func = eng.evaluate("(function(){\"use strict\"; return eval(\"(function(obj) { return obj.someProperty; })\")})()");
QVERIFY(func.isCallable());
QJSValue o = eng.newObject();
o.setProperty(QStringLiteral("someProperty"), 42);
QCOMPARE(func.call(QJSValueList()<< o).toInt(), 42);
o = eng.newObject();
QVERIFY(func.call(QJSValueList()<< o).isUndefined());
QVERIFY(func.call(QJSValueList()<< o).isUndefined());
}
void tst_QJSEngine::arrayConcat()
{
QJSEngine eng;
QJSValue v = eng.evaluate("var x = [1, 2, 3, 4, 5, 6];"
"var y = [];"
"for (var i = 0; i < 5; ++i)"
" x.shift();"
"for (var i = 10; i < 13; ++i)"
" x.push(i);"
"x.toString();");
QCOMPARE(v.toString(), QString::fromLatin1("6,10,11,12"));
}
void tst_QJSEngine::recursiveBoundFunctions()
{
QJSEngine eng;
QJSValue v = eng.evaluate("function foo(x, y, z)"
"{ return this + x + y + z; }"
"var bar = foo.bind(-1, 10);"
"var baz = bar.bind(-2, 20);"
"baz(30)");
QCOMPARE(v.toInt(), 59);
}
void tst_QJSEngine::qRegularExpressionImport_data()
{
QTest::addColumn<QRegularExpression>("rx");
QTest::addColumn<QString>("string");
QTest::newRow("normal") << QRegularExpression("(test|foo)") << "test _ foo _ test _ Foo";
QTest::newRow("normal2") << QRegularExpression("(Test|Foo)") << "test _ foo _ test _ Foo";
QTest::newRow("case insensitive") << QRegularExpression("(test|foo)", QRegularExpression::CaseInsensitiveOption) << "test _ foo _ test _ Foo";
QTest::newRow("case insensitive2") << QRegularExpression("(Test|Foo)", QRegularExpression::CaseInsensitiveOption) << "test _ foo _ test _ Foo";
QTest::newRow("b(a*)(b*)") << QRegularExpression("b(a*)(b*)", QRegularExpression::CaseInsensitiveOption) << "aaabbBbaAabaAaababaaabbaaab";
QTest::newRow("greedy") << QRegularExpression("a*(a*)", QRegularExpression::CaseInsensitiveOption) << "aaaabaaba";
QTest::newRow("wildcard") << QRegularExpression(".*\\.txt") << "file.txt";
QTest::newRow("wildcard 2") << QRegularExpression("a.b\\.txt") << "ab.txt abb.rtc acb.txt";
QTest::newRow("slash") << QRegularExpression("g/.*/s", QRegularExpression::CaseInsensitiveOption) << "string/string/string";
QTest::newRow("slash2") << QRegularExpression("g / .* / s", QRegularExpression::CaseInsensitiveOption) << "string / string / string";
QTest::newRow("fixed") << QRegularExpression("a\\*aa\\.a\\(ba\\)\\*a\\\\ba", QRegularExpression::CaseInsensitiveOption) << "aa*aa.a(ba)*a\\ba";
QTest::newRow("fixed insensitive") << QRegularExpression("A\\*A", QRegularExpression::CaseInsensitiveOption) << "a*A A*a A*A a*a";
QTest::newRow("fixed sensitive") << QRegularExpression("A\\*A") << "a*A A*a A*A a*a";
QTest::newRow("html") << QRegularExpression("<b>(.*)</b>") << "<b>bold</b><i>italic</i><b>bold</b>";
QTest::newRow("html minimal") << QRegularExpression("^<b>(.*)</b>$") << "<b>bold</b><i>italic</i><b>bold</b>";
QTest::newRow("aaa") << QRegularExpression("a{2,5}") << "aAaAaaaaaAa";
QTest::newRow("aaa minimal") << QRegularExpression("^a{2,5}$") << "aAaAaaaaaAa";
QTest::newRow("minimal") << QRegularExpression("^.*\\} [*8]$") << "}?} ?} *";
QTest::newRow(".? minimal") << QRegularExpression("^.?$") << ".?";
QTest::newRow(".+ minimal") << QRegularExpression("^.+$") << ".+";
QTest::newRow("[.?] minimal") << QRegularExpression("^[.?]$") << ".?";
QTest::newRow("[.+] minimal") << QRegularExpression("^[.+]$") << ".+";
QTest::newRow("aaa inverted greedyness") << QRegularExpression("a{2,5}", QRegularExpression::InvertedGreedinessOption) << "aAaAaaaaaAa";
QTest::newRow("inverted greedyness") << QRegularExpression(".*\\} [*8]", QRegularExpression::InvertedGreedinessOption) << "}?} ?} *";
QTest::newRow(".? inverted greedyness") << QRegularExpression(".?", QRegularExpression::InvertedGreedinessOption) << ".?";
QTest::newRow(".+ inverted greedyness") << QRegularExpression(".+", QRegularExpression::InvertedGreedinessOption) << ".+";
QTest::newRow("[.?] inverted greedyness") << QRegularExpression("[.?]", QRegularExpression::InvertedGreedinessOption) << ".?";
QTest::newRow("[.+] inverted greedyness") << QRegularExpression("[.+]", QRegularExpression::InvertedGreedinessOption) << ".+";
QTest::newRow("two lines") << QRegularExpression("^.*$") << "abc\ndef";
QTest::newRow("multiline") << QRegularExpression("^.*$", QRegularExpression::MultilineOption) << "abc\ndef";
}
void tst_QJSEngine::qRegularExpressionImport()
{
QFETCH(QRegularExpression, rx);
QFETCH(QString, string);
QJSEngine eng;
QJSValue rexp;
rexp = eng.toScriptValue(rx);
QCOMPARE(rexp.isRegExp(), true);
QCOMPARE(rexp.isCallable(), false);
QJSValue func = eng.evaluate("(function(string, regexp) { return string.match(regexp); })");
QJSValue result = func.call(QJSValueList() << string << rexp);
const QRegularExpressionMatch match = rx.match(string);
for (int i = 0; i <= match.lastCapturedIndex(); i++)
QCOMPARE(result.property(i).toString(), match.captured(i));
}
void tst_QJSEngine::qRegularExpressionExport_data()
{
QTest::addColumn<QString>("js");
QTest::addColumn<QRegularExpression>("regularexpression");
QTest::newRow("normal") << "/(test|foo)/" << QRegularExpression("(test|foo)");
QTest::newRow("normal2") << "/(Test|Foo)/" << QRegularExpression("(Test|Foo)");
QTest::newRow("case insensitive") << "/(test|foo)/i" << QRegularExpression("(test|foo)", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("case insensitive2") << "/(Test|Foo)/i" << QRegularExpression("(Test|Foo)", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("b(a*)(b*)") << "/b(a*)(b*)/i" << QRegularExpression("b(a*)(b*)", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("greedy") << "/a*(a*)/i" << QRegularExpression("a*(a*)", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("wildcard") << "/.*\\.txt/" << QRegularExpression(".*\\.txt");
QTest::newRow("wildcard 2") << "/a.b\\.txt/" << QRegularExpression("a.b\\.txt");
QTest::newRow("slash") << "/g\\/.*\\/s/i" << QRegularExpression("g\\/.*\\/s", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("slash2") << "/g \\/ .* \\/ s/i" << QRegularExpression("g \\/ .* \\/ s", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("fixed") << "/a\\*aa\\.a\\(ba\\)\\*a\\\\ba/i" << QRegularExpression("a\\*aa\\.a\\(ba\\)\\*a\\\\ba", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("fixed insensitive") << "/A\\*A/i" << QRegularExpression("A\\*A", QRegularExpression::CaseInsensitiveOption);
QTest::newRow("fixed sensitive") << "/A\\*A/" << QRegularExpression("A\\*A");
QTest::newRow("html") << "/<b>(.*)<\\/b>/" << QRegularExpression("<b>(.*)<\\/b>");
QTest::newRow("html minimal") << "/^<b>(.*)<\\/b>$/" << QRegularExpression("^<b>(.*)<\\/b>$");
QTest::newRow("aaa") << "/a{2,5}/" << QRegularExpression("a{2,5}");
QTest::newRow("aaa minimal") << "/^a{2,5}$/" << QRegularExpression("^a{2,5}$");
QTest::newRow("minimal") << "/^.*\\} [*8]$/" << QRegularExpression("^.*\\} [*8]$");
QTest::newRow(".? minimal") << "/^.?$/" << QRegularExpression("^.?$");
QTest::newRow(".+ minimal") << "/^.+$/" << QRegularExpression("^.+$");
QTest::newRow("[.?] minimal") << "/^[.?]$/" << QRegularExpression("^[.?]$");
QTest::newRow("[.+] minimal") << "/^[.+]$/" << QRegularExpression("^[.+]$");
QTest::newRow("multiline") << "/^.*$/m" << QRegularExpression("^.*$", QRegularExpression::MultilineOption);
}
void tst_QJSEngine::qRegularExpressionExport()
{
QFETCH(QString, js);
QFETCH(QRegularExpression, regularexpression);
QJSEngine eng;
QJSValue rexp;
rexp = eng.evaluate(js);
QCOMPARE(rexp.isRegExp(), true);
QCOMPARE(rexp.isCallable(), false);
QRegularExpression rx = qjsvalue_cast<QRegularExpression>(rexp);
QCOMPARE(rx, regularexpression);
}
// QScriptValue::toDateTime() returns a local time, whereas JS dates
// are always stored as UTC. Qt Script must respect the current time
// zone, and correctly adjust for daylight saving time that may be in
// effect at a given date (QTBUG-9770).
void tst_QJSEngine::dateRoundtripJSQtJS()
{
qint64 secs = QDate(2009, 1, 1).startOfDay(QTimeZone::UTC).toSecsSinceEpoch();
QJSEngine eng;
for (int i = 0; i < 8000; ++i) {
QJSValue jsDate = eng.evaluate(QString::fromLatin1("new Date(%0)").arg(secs * 1000.0));
QDateTime qtDate = jsDate.toDateTime();
QJSValue jsDate2 = eng.toScriptValue(qtDate);
if (jsDate2.toNumber() != jsDate.toNumber())
QFAIL(qPrintable(jsDate.toString()));
secs += 2*60*60;
}
}
void tst_QJSEngine::dateRoundtripQtJSQt()
{
QDateTime qtDate = QDate(2009, 1, 1).startOfDay();
QJSEngine eng;
for (int i = 0; i < 8000; ++i) {
QJSValue jsDate = eng.toScriptValue(qtDate);
QDateTime qtDate2 = jsDate.toDateTime();
if (qtDate2 != qtDate)
QFAIL(qPrintable(qtDate.toString()));
qtDate = qtDate.addSecs(2*60*60);
}
}
void tst_QJSEngine::dateConversionJSQt()
{
qint64 secs = QDate(2009, 1, 1).startOfDay(QTimeZone::UTC).toSecsSinceEpoch();
QJSEngine eng;
for (int i = 0; i < 8000; ++i) {
QJSValue jsDate = eng.evaluate(QString::fromLatin1("new Date(%0)").arg(secs * 1000.0));
QDateTime qtDate = jsDate.toDateTime();
QString qtUTCDateStr = qtDate.toUTC().toString(Qt::ISODate);
QString jsUTCDateStr = jsDate.property("toISOString").callWithInstance(jsDate).toString();
jsUTCDateStr.remove(jsUTCDateStr.size() - 5, 4); // get rid of milliseconds (".000")
if (qtUTCDateStr != jsUTCDateStr)
QFAIL(qPrintable(jsDate.toString()));
secs += 2*60*60;
}
}
void tst_QJSEngine::dateConversionQtJS()
{
QDateTime qtDate = QDate(2009, 1, 1).startOfDay();
QJSEngine eng;
for (int i = 0; i < 8000; ++i) {
QJSValue jsDate = eng.toScriptValue(qtDate);
QString jsUTCDateStr = jsDate.property("toISOString").callWithInstance(jsDate).toString();
QString qtUTCDateStr = qtDate.toUTC().toString(Qt::ISODate);
jsUTCDateStr.remove(jsUTCDateStr.size() - 5, 4); // get rid of milliseconds (".000")
if (jsUTCDateStr != qtUTCDateStr)
QFAIL(qPrintable(qtDate.toString()));
qtDate = qtDate.addSecs(2*60*60);
}
}
void tst_QJSEngine::functionPrototypeExtensions()
{
// QJS adds connect and disconnect properties to Function.prototype.
QJSEngine eng;
QJSValue funProto = eng.globalObject().property("Function").property("prototype");
QVERIFY(funProto.isCallable());
QVERIFY(funProto.property("connect").isCallable());
QVERIFY(funProto.property("disconnect").isCallable());
// No properties should appear in for-in statements.
QJSValue props = eng.evaluate("props = []; for (var p in Function.prototype) props.push(p); props");
QVERIFY(props.isArray());
QCOMPARE(props.property("length").toInt(), 0);
}
class ThreadedTestEngine : public QThread {
Q_OBJECT;
public:
int result = 0;
ThreadedTestEngine() {}
void run() override {
QJSEngine firstEngine;
QJSEngine secondEngine;
QJSValue value = firstEngine.evaluate("1");
result = secondEngine.evaluate("1 + " + QString::number(value.toInt())).toInt();
}
};
void tst_QJSEngine::threadedEngine()
{
ThreadedTestEngine thread1;
ThreadedTestEngine thread2;
thread1.start();
thread2.start();
thread1.wait();
thread2.wait();
QCOMPARE(thread1.result, 2);
QCOMPARE(thread2.result, 2);
}
void tst_QJSEngine::functionDeclarationsInConditionals()
{
// Visibility of function declarations inside blocks is limited to the block
QJSEngine eng;
QJSValue result = eng.evaluate("if (true) {\n"
" function blah() { return false; }\n"
"} else {\n"
" function blah() { return true; }\n"
"}\n"
"blah();");
QVERIFY(result.isError());
}
void tst_QJSEngine::arrayPop_QTBUG_35979()
{
QJSEngine eng;
QJSValue result = eng.evaluate(""
"var x = [1, 2]\n"
"x.pop()\n"
"x[1] = 3\n"
"x.toString()\n");
QCOMPARE(result.toString(), QString("1,3"));
}
void tst_QJSEngine::array_unshift_QTBUG_52065()
{
QJSEngine eng;
QJSValue result = eng.evaluate("[1, 2, 3, 4, 5, 6, 7, 8, 9]");
QJSValue unshift = result.property(QStringLiteral("unshift"));
unshift.callWithInstance(result, QJSValueList() << QJSValue(0));
int len = result.property(QStringLiteral("length")).toInt();
QCOMPARE(len, 10);
for (int i = 0; i < len; ++i)
QCOMPARE(result.property(i).toInt(), i);
}
void tst_QJSEngine::array_join_QTBUG_53672()
{
QJSEngine eng;
QJSValue result = eng.evaluate("Array.prototype.join.call(0)");
QVERIFY(result.isString());
QCOMPARE(result.toString(), QString(""));
}
void tst_QJSEngine::regexpLastMatch()
{
QJSEngine eng;
QCOMPARE(eng.evaluate("RegExp.input").toString(), QString());
QJSValue hasProperty;
for (int i = 1; i < 9; ++i) {
hasProperty = eng.evaluate("RegExp.hasOwnProperty(\"$" + QString::number(i) + "\")");
QVERIFY(hasProperty.isBool());
QVERIFY(hasProperty.toBool());
}
hasProperty = eng.evaluate("RegExp.hasOwnProperty(\"$0\")");
QVERIFY(hasProperty.isBool());
QVERIFY(!hasProperty.toBool());
hasProperty = eng.evaluate("RegExp.hasOwnProperty(\"$10\")");
QVERIFY(!hasProperty.toBool());
hasProperty = eng.evaluate("RegExp.hasOwnProperty(\"lastMatch\")");
QVERIFY(hasProperty.toBool());
hasProperty = eng.evaluate("RegExp.hasOwnProperty(\"$&\")");
QVERIFY(hasProperty.toBool());
QJSValue result = eng.evaluate(""
"var re = /h(el)l(o)/\n"
"var text = \"blah hello world\"\n"
"text.match(re)\n");
QVERIFY(!result.isError());
QJSValue match = eng.evaluate("RegExp.$1");
QCOMPARE(match.toString(), QString("el"));
match = eng.evaluate("RegExp.$2");
QCOMPARE(match.toString(), QString("o"));
for (int i = 3; i <= 9; ++i) {
match = eng.evaluate("RegExp.$" + QString::number(i));
QVERIFY(match.isString());
QCOMPARE(match.toString(), QString());
}
QCOMPARE(eng.evaluate("RegExp.input").toString(), QString("blah hello world"));
QCOMPARE(eng.evaluate("RegExp.lastParen").toString(), QString("o"));
QCOMPARE(eng.evaluate("RegExp.leftContext").toString(), QString("blah "));
QCOMPARE(eng.evaluate("RegExp.rightContext").toString(), QString(" world"));
QCOMPARE(eng.evaluate("RegExp.lastMatch").toString(), QString("hello"));
result = eng.evaluate(""
"var re = /h(ello)/\n"
"var text = \"hello\"\n"
"text.match(re)\n");
QVERIFY(!result.isError());
match = eng.evaluate("RegExp.$1");
QCOMPARE(match.toString(), QString("ello"));
for (int i = 2; i <= 9; ++i) {
match = eng.evaluate("RegExp.$" + QString::number(i));
QVERIFY(match.isString());
QCOMPARE(match.toString(), QString());
}
}
void tst_QJSEngine::regexpLastIndex()
{
QJSEngine eng;
QJSValue result;
result = eng.evaluate("function test(text, rx) {"
" var res;"
" while (res = rx.exec(text)) { "
" return true;"
" }"
" return false;"
" }"
"function tester(text) {"
" return test(text, /,\\s*/g);"
"}");
QVERIFY(!result.isError());
result = eng.evaluate("tester(\", \\n\");");
QVERIFY(result.toBool());
result = eng.evaluate("tester(\", \\n\");");
QVERIFY(result.toBool());
}
void tst_QJSEngine::indexedAccesses()
{
QJSEngine engine;
QJSValue v = engine.evaluate("function foo() { return 1[1] } foo()");
QVERIFY(v.isUndefined());
v = engine.evaluate("function foo() { return /x/[1] } foo()");
QVERIFY(v.isUndefined());
v = engine.evaluate("function foo() { return \"xy\"[1] } foo()");
QVERIFY(v.isString());
v = engine.evaluate("function foo() { return \"xy\"[2] } foo()");
QVERIFY(v.isUndefined());
}
void tst_QJSEngine::prototypeChainGc()
{
QJSEngine engine;
QJSValue getProto = engine.evaluate("Object.getPrototypeOf");
QJSValue factory = engine.evaluate("(function() { return Object.create(Object.create({})); })");
QVERIFY(factory.isCallable());
QJSValue obj = factory.call();
gc(*engine.handle());
QJSValue proto = getProto.call(QJSValueList() << obj);
proto = getProto.call(QJSValueList() << proto);
QVERIFY(proto.isObject());
}
void tst_QJSEngine::prototypeChainGc_QTBUG38299()
{
QJSEngine engine;
engine.evaluate("var mapping = {"
"'prop1': \"val1\",\n"
"'prop2': \"val2\"\n"
"}\n"
"\n"
"delete mapping.prop2\n"
"delete mapping.prop1\n"
"\n");
// Don't hang!
gc(*engine.handle());
}
void tst_QJSEngine::dynamicProperties()
{
{
QJSEngine engine;
QScopedPointer<QObject> obj(new QObject);
QJSValue wrapper = engine.newQObject(obj.data());
wrapper.setProperty("someRandomProperty", 42);
QCOMPARE(wrapper.property("someRandomProperty").toInt(), 42);
QVERIFY(!qmlContext(obj.data()));
}
{
QQmlEngine qmlEngine;
QQmlComponent component(&qmlEngine);
component.setData("import QtQml 2.0; QtObject { property QtObject subObject: QtObject {} }", QUrl());
QScopedPointer<QObject> root(component.create(nullptr));
QVERIFY(root);
QVERIFY(qmlContext(root.data()));
QJSValue wrapper = qmlEngine.newQObject(root.data());
wrapper.setProperty("someRandomProperty", 42);
QVERIFY(!wrapper.hasProperty("someRandomProperty"));
QObject *subObject = qvariant_cast<QObject*>(root->property("subObject"));
QVERIFY(subObject);
QVERIFY(qmlContext(subObject));
wrapper = qmlEngine.newQObject(subObject);
wrapper.setProperty("someRandomProperty", 42);
QVERIFY(!wrapper.hasProperty("someRandomProperty"));
}
}
class EvaluateWrapper : public QObject
{
Q_OBJECT
public:
EvaluateWrapper(QJSEngine *engine)
: engine(engine)
{}
public slots:
QJSValue cppEvaluate(const QString &program)
{
return engine->evaluate(program);
}
private:
QJSEngine *engine;
};
void tst_QJSEngine::scopeOfEvaluate()
{
QJSEngine engine;
QJSValue wrapper = engine.newQObject(new EvaluateWrapper(&engine));
engine.evaluate("testVariable = 42");
QJSValue function = engine.evaluate("(function(evalWrapper){\n"
"var testVariable = 100; \n"
"try { \n"
" return evalWrapper.cppEvaluate(\"(function() { return testVariable; })\")\n"
" ()\n"
"} catch (e) {}\n"
"})");
QVERIFY(function.isCallable());
QJSValue result = function.call(QJSValueList() << wrapper);
QCOMPARE(result.toInt(), 42);
}
void tst_QJSEngine::callConstants()
{
QJSEngine engine;
engine.evaluate("function f() {\n"
" var one; one();\n"
" var two = null; two();\n"
"}\n");
QJSValue exceptionResult = engine.evaluate("true()");
QCOMPARE(exceptionResult.toString(), QString("TypeError: true is not a function"));
}
void tst_QJSEngine::installTranslationFunctions()
{
QJSEngine eng;
QJSValue global = eng.globalObject();
QVERIFY(global.property("qsTranslate").isUndefined());
QVERIFY(global.property("QT_TRANSLATE_NOOP").isUndefined());
QVERIFY(global.property("qsTr").isUndefined());
QVERIFY(global.property("QT_TR_NOOP").isUndefined());
QVERIFY(global.property("qsTrId").isUndefined());
QVERIFY(global.property("QT_TRID_NOOP").isUndefined());
eng.installExtensions(QJSEngine::TranslationExtension);
QVERIFY(global.property("qsTranslate").isCallable());
QVERIFY(global.property("QT_TRANSLATE_NOOP").isCallable());
QVERIFY(global.property("qsTr").isCallable());
QVERIFY(global.property("QT_TR_NOOP").isCallable());
QVERIFY(global.property("qsTrId").isCallable());
QVERIFY(global.property("QT_TRID_NOOP").isCallable());
{
QJSValue ret = eng.evaluate("qsTr('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("qsTranslate('foo', 'bar')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("bar"));
}
{
QJSValue ret = eng.evaluate("QT_TR_NOOP('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("QT_TRANSLATE_NOOP('foo', 'bar')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("bar"));
}
{
QJSValue ret = eng.evaluate("qsTrId('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("QT_TRID_NOOP('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QJSValue ret = eng.evaluate("qsTr('%1').arg('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
QVERIFY(eng.evaluate("QT_TRID_NOOP()").isUndefined());
}
class TranslationScope
{
public:
TranslationScope(const QString &fileName)
{
if (!translator.load(fileName))
QFAIL("failed to load translation");
QCoreApplication::instance()->installTranslator(&translator);
}
~TranslationScope()
{
QCoreApplication::instance()->removeTranslator(&translator);
}
private:
QTranslator translator;
};
void tst_QJSEngine::translateScript_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("fileName");
QTest::addColumn<QString>("expectedTranslation");
QString fileName = QString::fromLatin1("translatable.js");
// Top-level
QTest::newRow("qsTr('One')@translatable.js")
<< QString::fromLatin1("qsTr('One')") << fileName << QString::fromLatin1("En");
QTest::newRow("qsTr('Hello')@translatable.js")
<< QString::fromLatin1("qsTr('Hello')") << fileName << QString::fromLatin1("Hallo");
// From function
QTest::newRow("(function() { return qsTr('One'); })()@translatable.js")
<< QString::fromLatin1("(function() { return qsTr('One'); })()") << fileName << QString::fromLatin1("En");
QTest::newRow("(function() { return qsTr('Hello'); })()@translatable.js")
<< QString::fromLatin1("(function() { return qsTr('Hello'); })()") << fileName << QString::fromLatin1("Hallo");
// Plural
QTest::newRow("qsTr('%n message(s) saved', '', 1)@translatable.js")
<< QString::fromLatin1("qsTr('%n message(s) saved', '', 1)") << fileName << QString::fromLatin1("1 melding lagret");
QTest::newRow("qsTr('%n message(s) saved', '', 3).arg@translatable.js")
<< QString::fromLatin1("qsTr('%n message(s) saved', '', 3)") << fileName << QString::fromLatin1("3 meldinger lagret");
// Top-level
QTest::newRow("qsTranslate('FooContext', 'Two')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Two')") << fileName << QString::fromLatin1("To");
QTest::newRow("qsTranslate('FooContext', 'Goodbye')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Goodbye')") << fileName << QString::fromLatin1("Farvel");
// From eval
QTest::newRow("eval('qsTranslate(\\'FooContext\\', \\'Two\\')')@translatable.js")
<< QString::fromLatin1("eval('qsTranslate(\\'FooContext\\', \\'Two\\')')") << fileName << QString::fromLatin1("To");
QTest::newRow("eval('qsTranslate(\\'FooContext\\', \\'Goodbye\\')')@translatable.js")
<< QString::fromLatin1("eval('qsTranslate(\\'FooContext\\', \\'Goodbye\\')')") << fileName << QString::fromLatin1("Farvel");
QTest::newRow("qsTranslate('FooContext', 'Goodbye', '')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Goodbye', '')") << fileName << QString::fromLatin1("Farvel");
QTest::newRow("qsTranslate('FooContext', 'Goodbye', '', 42)@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Goodbye', '', 42)") << fileName << QString::fromLatin1("Goodbye");
QTest::newRow("qsTr('One', 'not the same one')@translatable.js")
<< QString::fromLatin1("qsTr('One', 'not the same one')") << fileName << QString::fromLatin1("Enda en");
QTest::newRow("qsTr('One', 'not the same one', 42)@translatable.js")
<< QString::fromLatin1("qsTr('One', 'not the same one', 42)") << fileName << QString::fromLatin1("One");
// Plural
QTest::newRow("qsTranslate('FooContext', '%n fooish bar(s) found', '', 1)@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', '%n fooish bar(s) found', '', 1)") << fileName << QString::fromLatin1("1 fooaktig bar funnet");
QTest::newRow("qsTranslate('FooContext', '%n fooish bar(s) found', '', 2)@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', '%n fooish bar(s) found', '', 2)") << fileName << QString::fromLatin1("2 fooaktige barer funnet");
// Don't exist in translation
QTest::newRow("qsTr('Three')@translatable.js")
<< QString::fromLatin1("qsTr('Three')") << fileName << QString::fromLatin1("Three");
QTest::newRow("qsTranslate('FooContext', 'So long')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'So long')") << fileName << QString::fromLatin1("So long");
QTest::newRow("qsTranslate('BarContext', 'Goodbye')@translatable.js")
<< QString::fromLatin1("qsTranslate('BarContext', 'Goodbye')") << fileName << QString::fromLatin1("Goodbye");
// Translate strings from the second script (translatable2.js)
QString fileName2 = QString::fromLatin1("translatable2.js");
QTest::newRow("qsTr('Three')@translatable2.js")
<< QString::fromLatin1("qsTr('Three')") << fileName2 << QString::fromLatin1("Tre");
QTest::newRow("qsTr('Happy birthday!')@translatable2.js")
<< QString::fromLatin1("qsTr('Happy birthday!')") << fileName2 << QString::fromLatin1("Gratulerer med dagen!");
// Not translated because translation is only in translatable.js
QTest::newRow("qsTr('One')@translatable2.js")
<< QString::fromLatin1("qsTr('One')") << fileName2 << QString::fromLatin1("One");
QTest::newRow("(function() { return qsTr('One'); })()@translatable2.js")
<< QString::fromLatin1("(function() { return qsTr('One'); })()") << fileName2 << QString::fromLatin1("One");
// For qsTranslate() the filename shouldn't matter
QTest::newRow("qsTranslate('FooContext', 'Two')@translatable2.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Two')") << fileName2 << QString::fromLatin1("To");
QTest::newRow("qsTranslate('BarContext', 'Congratulations!')@translatable.js")
<< QString::fromLatin1("qsTranslate('BarContext', 'Congratulations!')") << fileName << QString::fromLatin1("Gratulerer!");
}
void tst_QJSEngine::translateScript()
{
QFETCH(QString, expression);
QFETCH(QString, fileName);
QFETCH(QString, expectedTranslation);
QJSEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installExtensions(QJSEngine::TranslationExtension);
QCOMPARE(engine.evaluate(expression, fileName).toString(), expectedTranslation);
}
void tst_QJSEngine::translateScript_crossScript()
{
QJSEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installExtensions(QJSEngine::TranslationExtension);
QString fileName = QString::fromLatin1("translatable.js");
QString fileName2 = QString::fromLatin1("translatable2.js");
// qsTr() should use the innermost filename as context
engine.evaluate("function foo(s) { return bar(s); }", fileName);
engine.evaluate("function bar(s) { return qsTr(s); }", fileName2);
QCOMPARE(engine.evaluate("bar('Three')", fileName2).toString(), QString::fromLatin1("Tre"));
QCOMPARE(engine.evaluate("bar('Three')", fileName).toString(), QString::fromLatin1("Tre"));
QCOMPARE(engine.evaluate("bar('One')", fileName2).toString(), QString::fromLatin1("One"));
engine.evaluate("function foo(s) { return bar(s); }", fileName2);
engine.evaluate("function bar(s) { return qsTr(s); }", fileName);
QCOMPARE(engine.evaluate("bar('Three')", fileName2).toString(), QString::fromLatin1("Three"));
QCOMPARE(engine.evaluate("bar('One')", fileName).toString(), QString::fromLatin1("En"));
QCOMPARE(engine.evaluate("bar('One')", fileName2).toString(), QString::fromLatin1("En"));
}
void tst_QJSEngine::translateScript_trNoOp()
{
QJSEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installExtensions(QJSEngine::TranslationExtension);
QVERIFY(engine.evaluate("QT_TR_NOOP()").isUndefined());
QCOMPARE(engine.evaluate("QT_TR_NOOP('One')").toString(), QString::fromLatin1("One"));
QVERIFY(engine.evaluate("QT_TRANSLATE_NOOP()").isUndefined());
QVERIFY(engine.evaluate("QT_TRANSLATE_NOOP('FooContext')").isUndefined());
QCOMPARE(engine.evaluate("QT_TRANSLATE_NOOP('FooContext', 'Two')").toString(), QString::fromLatin1("Two"));
}
void tst_QJSEngine::translateScript_callQsTrFromCpp()
{
QJSEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installExtensions(QJSEngine::TranslationExtension);
// There is no context, but it shouldn't crash
QCOMPARE(engine.globalObject().property("qsTr").call(QJSValueList() << "One").toString(), QString::fromLatin1("One"));
}
void tst_QJSEngine::translateWithInvalidArgs_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("expectedError");
QTest::newRow("qsTr()") << "qsTr()" << "Error: qsTr() requires at least one argument";
QTest::newRow("qsTr(123)") << "qsTr(123)" << "Error: qsTr(): first argument (sourceText) must be a string";
QTest::newRow("qsTr('foo', 123)") << "qsTr('foo', 123)" << "Error: qsTr(): second argument (disambiguation) must be a string";
QTest::newRow("qsTr('foo', 'bar', 'baz')") << "qsTr('foo', 'bar', 'baz')" << "Error: qsTr(): third argument (n) must be a number";
QTest::newRow("qsTr('foo', 'bar', true)") << "qsTr('foo', 'bar', true)" << "Error: qsTr(): third argument (n) must be a number";
QTest::newRow("qsTranslate()") << "qsTranslate()" << "Error: qsTranslate() requires at least two arguments";
QTest::newRow("qsTranslate('foo')") << "qsTranslate('foo')" << "Error: qsTranslate() requires at least two arguments";
QTest::newRow("qsTranslate(123, 'foo')") << "qsTranslate(123, 'foo')" << "Error: qsTranslate(): first argument (context) must be a string";
QTest::newRow("qsTranslate('foo', 123)") << "qsTranslate('foo', 123)" << "Error: qsTranslate(): second argument (sourceText) must be a string";
QTest::newRow("qsTranslate('foo', 'bar', 123)") << "qsTranslate('foo', 'bar', 123)" << "Error: qsTranslate(): third argument (disambiguation) must be a string";
QTest::newRow("qsTrId()") << "qsTrId()" << "Error: qsTrId() requires at least one argument";
QTest::newRow("qsTrId(123)") << "qsTrId(123)" << "TypeError: qsTrId(): first argument (id) must be a string";
QTest::newRow("qsTrId('foo', 'bar')") << "qsTrId('foo', 'bar')" << "TypeError: qsTrId(): second argument (n) must be a number";
}
void tst_QJSEngine::translateWithInvalidArgs()
{
QFETCH(QString, expression);
QFETCH(QString, expectedError);
QJSEngine engine;
engine.installExtensions(QJSEngine::TranslationExtension);
QJSValue result = engine.evaluate(expression);
QVERIFY(result.isError());
QCOMPARE(result.toString(), expectedError);
}
void tst_QJSEngine::translationContext_data()
{
QTest::addColumn<QString>("path");
QTest::addColumn<QString>("text");
QTest::addColumn<QString>("expectedTranslation");
QTest::newRow("translatable.js") << "translatable.js" << "One" << "En";
QTest::newRow("/translatable.js") << "/translatable.js" << "One" << "En";
QTest::newRow("/foo/translatable.js") << "/foo/translatable.js" << "One" << "En";
QTest::newRow("/foo/bar/translatable.js") << "/foo/bar/translatable.js" << "One" << "En";
QTest::newRow("./translatable.js") << "./translatable.js" << "One" << "En";
QTest::newRow("../translatable.js") << "../translatable.js" << "One" << "En";
QTest::newRow("foo/translatable.js") << "foo/translatable.js" << "One" << "En";
QTest::newRow("file:///home/qt/translatable.js") << "file:///home/qt/translatable.js" << "One" << "En";
QTest::newRow(":/resources/translatable.js") << ":/resources/translatable.js" << "One" << "En";
QTest::newRow("/translatable.1.0.js") << "/translatable.1.0.js" << "One" << "En";
QTest::newRow("/translatable.txt") << "/translatable.txt" << "One" << "En";
QTest::newRow("translatable") << "translatable" << "One" << "En";
QTest::newRow("foo/translatable") << "foo/translatable" << "One" << "En";
QTest::newRow("translatable.js/") << "translatable.js/" << "One" << "One";
QTest::newRow("nosuchscript.js") << "" << "One" << "One";
QTest::newRow("(empty)") << "" << "One" << "One";
}
void tst_QJSEngine::translationContext()
{
TranslationScope tranScope(":/translations/translatable_la");
QJSEngine engine;
engine.installExtensions(QJSEngine::TranslationExtension);
QFETCH(QString, path);
QFETCH(QString, text);
QFETCH(QString, expectedTranslation);
QJSValue ret = engine.evaluate(QString::fromLatin1("qsTr('%0')").arg(text), path);
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), expectedTranslation);
}
void tst_QJSEngine::translateScriptIdBased()
{
QJSEngine engine;
TranslationScope tranScope(":/translations/idtranslatable_la");
engine.installExtensions(QJSEngine::TranslationExtension);
QString fileName = QString::fromLatin1("idtranslatable.js");
QHash<QString, QString> expectedTranslations;
expectedTranslations["qtn_foo_bar"] = "First string";
expectedTranslations["qtn_needle"] = "Second string";
expectedTranslations["qtn_haystack"] = "Third string";
expectedTranslations["qtn_bar_baz"] = "Fourth string";
QHash<QString, QString>::const_iterator it;
for (it = expectedTranslations.constBegin(); it != expectedTranslations.constEnd(); ++it) {
for (int x = 0; x < 2; ++x) {
QString fn;
if (x)
fn = fileName;
// Top-level
QCOMPARE(engine.evaluate(QString::fromLatin1("qsTrId('%0')")
.arg(it.key()), fn).toString(),
it.value());
QCOMPARE(engine.evaluate(QString::fromLatin1("QT_TRID_NOOP('%0')")
.arg(it.key()), fn).toString(),
it.key());
// From function
QCOMPARE(engine.evaluate(QString::fromLatin1("(function() { return qsTrId('%0'); })()")
.arg(it.key()), fn).toString(),
it.value());
QCOMPARE(engine.evaluate(QString::fromLatin1("(function() { return QT_TRID_NOOP('%0'); })()")
.arg(it.key()), fn).toString(),
it.key());
}
}
// Plural form
QCOMPARE(engine.evaluate("qsTrId('qtn_bar_baz', 10)").toString(),
QString::fromLatin1("10 fooish bar(s) found"));
QCOMPARE(engine.evaluate("qsTrId('qtn_foo_bar', 10)").toString(),
QString::fromLatin1("qtn_foo_bar")); // Doesn't have plural
}
// How to add a new test row:
// - Find a nice list of Unicode characters to choose from
// - Write source string/context/comment in .js using Unicode escape sequences (\uABCD)
// - Update corresponding .ts file (e.g. lupdate foo.js -ts foo.ts -codecfortr UTF-8)
// - Enter translation in Linguist
// - Update corresponding .qm file (e.g. lrelease foo.ts)
// - Evaluate script that performs translation; make sure the correct result is returned
// (e.g. by setting the resulting string as the text of a QLabel and visually verifying
// that it looks the same as what you entered in Linguist :-) )
// - Generate the expectedTranslation column data using toUtf8().toHex()
void tst_QJSEngine::translateScriptUnicode_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("fileName");
QTest::addColumn<QString>("expectedTranslation");
QString fileName = QString::fromLatin1("translatable-unicode.js");
QTest::newRow("qsTr('H\\u2082O')@translatable-unicode.js")
<< QString::fromLatin1("qsTr('H\\u2082O')") << fileName << QString::fromUtf8("\xcd\xbb\xcd\xbc\xcd\xbd");
QTest::newRow("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')@translatable-unicode.js")
<< QString::fromLatin1("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')") << fileName << QString::fromUtf8("\xd7\x91\xd7\x9a\xd7\xa2");
QTest::newRow("qsTr('\\u0391\\u0392\\u0393')@translatable-unicode.js")
<< QString::fromLatin1("qsTr('\\u0391\\u0392\\u0393')") << fileName << QString::fromUtf8("\xd3\x9c\xd2\xb4\xd1\xbc");
QTest::newRow("qsTranslate('\\u010C\\u0101\\u011F\\u0115', '\\u0414\\u0415\\u0416')@translatable-unicode.js")
<< QString::fromLatin1("qsTranslate('\\u010C\\u0101\\u011F\\u0115', '\\u0414\\u0415\\u0416')") << fileName << QString::fromUtf8("\xd8\xae\xd8\xb3\xd8\xb3");
QTest::newRow("qsTr('H\\u2082O', 'not the same H\\u2082O')@translatable-unicode.js")
<< QString::fromLatin1("qsTr('H\\u2082O', 'not the same H\\u2082O')") << fileName << QString::fromUtf8("\xd4\xb6\xd5\x8a\xd5\x92");
QTest::newRow("qsTr('H\\u2082O')")
<< QString::fromLatin1("qsTr('H\\u2082O')") << QString() << QString::fromUtf8("\x48\xe2\x82\x82\x4f");
QTest::newRow("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')")
<< QString::fromLatin1("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')") << QString() << QString::fromUtf8("\xd7\x91\xd7\x9a\xd7\xa2");
}
void tst_QJSEngine::translateScriptUnicode()
{
QFETCH(QString, expression);
QFETCH(QString, fileName);
QFETCH(QString, expectedTranslation);
QJSEngine engine;
TranslationScope tranScope(":/translations/translatable-unicode");
engine.installExtensions(QJSEngine::TranslationExtension);
QCOMPARE(engine.evaluate(expression, fileName).toString(), expectedTranslation);
}
void tst_QJSEngine::translateScriptUnicodeIdBased_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("expectedTranslation");
QTest::newRow("qsTrId('\\u01F8\\u01D2\\u0199\\u01D0\\u01E1'')")
<< QString::fromLatin1("qsTrId('\\u01F8\\u01D2\\u0199\\u01D0\\u01E1')") << QString::fromUtf8("\xc6\xa7\xc6\xb0\xc6\x88\xc8\xbc\xc8\x9d\xc8\xbf\xc8\x99");
QTest::newRow("qsTrId('\\u0191\\u01CE\\u0211\\u0229\\u019C\\u018E\\u019A\\u01D0')")
<< QString::fromLatin1("qsTrId('\\u0191\\u01CE\\u0211\\u0229\\u019C\\u018E\\u019A\\u01D0')") << QString::fromUtf8("\xc7\xa0\xc8\xa1\xc8\x8b\xc8\x85\xc8\x95");
QTest::newRow("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C', 10)")
<< QString::fromLatin1("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C', 10)") << QString::fromUtf8("\x31\x30\x20\xc6\x92\xc6\xa1\xc7\x92\x28\xc8\x99\x29");
QTest::newRow("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C')")
<< QString::fromLatin1("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C')") << QString::fromUtf8("\xc6\x91\xc6\xb0\xc7\xb9");
QTest::newRow("qsTrId('\\u01CD\\u0180\\u01A8\\u0190\\u019E\\u01AB')")
<< QString::fromLatin1("qsTrId('\\u01CD\\u0180\\u01A8\\u0190\\u019E\\u01AB')") << QString::fromUtf8("\xc7\x8d\xc6\x80\xc6\xa8\xc6\x90\xc6\x9e\xc6\xab");
}
void tst_QJSEngine::translateScriptUnicodeIdBased()
{
QFETCH(QString, expression);
QFETCH(QString, expectedTranslation);
QJSEngine engine;
TranslationScope tranScope(":/translations/idtranslatable-unicode");
engine.installExtensions(QJSEngine::TranslationExtension);
QCOMPARE(engine.evaluate(expression).toString(), expectedTranslation);
}
void tst_QJSEngine::translateFromBuiltinCallback()
{
QJSEngine eng;
eng.installExtensions(QJSEngine::TranslationExtension);
// Callback has no translation context.
eng.evaluate("function foo() { qsTr('foo'); }");
// Stack at translation time will be:
// qsTr, foo, forEach, global
// qsTr() needs to walk to the outer-most (global) frame before it finds
// a translation context, and this should not crash.
eng.evaluate("[10,20].forEach(foo)", "script.js");
}
void tst_QJSEngine::translationFilePath_data()
{
QTest::addColumn<QString>("filename");
QTest::newRow("relative") << QStringLiteral("script.js");
QTest::newRow("absolute unix") << QStringLiteral("/script.js");
QTest::newRow("absolute /windows/") << QStringLiteral("c:/script.js");
#ifdef Q_OS_WIN
QTest::newRow("absolute \\windows\\") << QStringLiteral("c:\\script.js");
#endif
QTest::newRow("relative url") << QStringLiteral("file://script.js");
QTest::newRow("absolute url unix") << QStringLiteral("file:///script.js");
QTest::newRow("absolute url windows") << QStringLiteral("file://c:/script.js");
}
class DummyTranslator : public QTranslator
{
Q_OBJECT
public:
DummyTranslator(const char *sourceText)
: srcTxt(sourceText)
{}
QString translate(const char *context, const char *sourceText, const char *disambiguation, int n) const override
{
Q_UNUSED(disambiguation);
Q_UNUSED(n);
if (srcTxt == sourceText)
ctxt = QByteArray(context);
return QString(sourceText);
}
bool isEmpty() const override
{
return false;
}
const char *sourceText() const
{ return srcTxt.constData(); }
QByteArray context() const
{ return ctxt; }
private:
QByteArray srcTxt;
mutable QByteArray ctxt;
};
void tst_QJSEngine::translationFilePath()
{
QFETCH(QString, filename);
DummyTranslator translator("some text");
QCoreApplication::installTranslator(&translator);
QByteArray scriptContent = QByteArray("qsTr('%1')").replace("%1", translator.sourceText());
QJSEngine engine;
engine.installExtensions(QJSEngine::TranslationExtension);
QJSValue result = engine.evaluate(scriptContent, filename);
QCOMPARE(translator.context(), QByteArray("script"));
QCoreApplication::removeTranslator(&translator);
}
void tst_QJSEngine::translationFileName()
{
const auto filename = QStringLiteral("multiple.dots.1.0.qml");
DummyTranslator translator("some text");
QCoreApplication::installTranslator(&translator);
QByteArray scriptContent = QByteArray("qsTr('%1')").replace("%1", translator.sourceText());
QJSEngine engine;
engine.installExtensions(QJSEngine::TranslationExtension);
QJSValue result = engine.evaluate(scriptContent, filename);
QCOMPARE(translator.context(), QByteArray("multiple.dots.1.0"));
QCoreApplication::removeTranslator(&translator);
}
void tst_QJSEngine::installConsoleFunctions()
{
QJSEngine engine;
QJSValue global = engine.globalObject();
QVERIFY(global.property("console").isUndefined());
QVERIFY(global.property("print").isUndefined());
engine.installExtensions(QJSEngine::ConsoleExtension);
QVERIFY(global.property("console").isObject());
QVERIFY(global.property("print").isCallable());
}
void tst_QJSEngine::logging()
{
QLoggingCategory loggingCategory("js");
QVERIFY(loggingCategory.isDebugEnabled());
QVERIFY(loggingCategory.isWarningEnabled());
QVERIFY(loggingCategory.isCriticalEnabled());
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
QTest::ignoreMessage(QtDebugMsg, "console.debug");
engine.evaluate("console.debug('console.debug')");
QTest::ignoreMessage(QtDebugMsg, "console.log");
engine.evaluate("console.log('console.log')");
QTest::ignoreMessage(QtInfoMsg, "console.info");
engine.evaluate("console.info('console.info')");
QTest::ignoreMessage(QtWarningMsg, "console.warn");
engine.evaluate("console.warn('console.warn')");
QTest::ignoreMessage(QtCriticalMsg, "console.error");
engine.evaluate("console.error('console.error')");
QTest::ignoreMessage(QtDebugMsg, ": 1");
engine.evaluate("console.count()");
QTest::ignoreMessage(QtDebugMsg, ": 2");
engine.evaluate("console.count()");
}
void tst_QJSEngine::tracing()
{
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
QTest::ignoreMessage(QtDebugMsg, "%entry (:1)");
engine.evaluate("console.trace()");
QTest::ignoreMessage(QtDebugMsg, "a (:1)\nb (:1)\nc (:1)\n%entry (:1)");
engine.evaluate("function a() { console.trace(); } function b() { a(); } function c() { b(); }");
engine.evaluate("c()");
}
void tst_QJSEngine::asserts()
{
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
QTest::ignoreMessage(QtCriticalMsg, "This will fail\n%entry (:1)");
engine.evaluate("console.assert(0, 'This will fail')");
QTest::ignoreMessage(QtCriticalMsg, "This will fail too\n%entry (:1)");
engine.evaluate("console.assert(1 > 2, 'This will fail too')");
}
void tst_QJSEngine::exceptions()
{
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
QTest::ignoreMessage(QtCriticalMsg, "Exception 1\n%entry (:1)");
engine.evaluate("console.exception('Exception 1')");
}
void tst_QJSEngine::exceptionReporting()
{
QJSEngine engine;
QStringList stackTrace;
QJSValue result = engine.evaluate(R"(
function f() {throw 'an exception'}
function g() {f()}
g() )", QString("tesfile.js"), 1, &stackTrace);
QVERIFY2(!result.isError(), qPrintable(result.toString()));
QCOMPARE(stackTrace.size(), 3);
QCOMPARE(stackTrace.at(0), "f:2:-1:file:tesfile.js");
QCOMPARE(stackTrace.at(1), "g:3:-1:file:tesfile.js");
QCOMPARE(stackTrace.at(2), "%entry:4:-1:file:tesfile.js");
result = engine.evaluate("42", QString(), 1, &stackTrace);
QVERIFY2(!result.isError(), qPrintable(result.toString()));
QVERIFY(stackTrace.isEmpty());
}
void tst_QJSEngine::installGarbageCollectionFunctions()
{
QJSEngine engine;
QJSValue global = engine.globalObject();
QVERIFY(global.property("gc").isUndefined());
engine.installExtensions(QJSEngine::GarbageCollectionExtension);
QVERIFY(global.property("gc").isCallable());
}
void tst_QJSEngine::installAllExtensions()
{
QJSEngine engine;
QJSValue global = engine.globalObject();
// Pick out a few properties from each extension and check that they're there.
QVERIFY(global.property("qsTranslate").isUndefined());
QVERIFY(global.property("console").isUndefined());
QVERIFY(global.property("print").isUndefined());
QVERIFY(global.property("gc").isUndefined());
engine.installExtensions(QJSEngine::AllExtensions);
QVERIFY(global.property("qsTranslate").isCallable());
QVERIFY(global.property("console").isObject());
QVERIFY(global.property("print").isCallable());
QVERIFY(global.property("gc").isCallable());
}
class ObjectWithPrivateMethods : public QObject
{
Q_OBJECT
private slots:
void myPrivateMethod() {}
};
void tst_QJSEngine::privateMethods()
{
ObjectWithPrivateMethods object;
QJSEngine engine;
QJSValue jsWrapper = engine.newQObject(&object);
QQmlEngine::setObjectOwnership(&object, QQmlEngine::CppOwnership);
QSet<QString> privateMethods;
{
const QMetaObject *mo = object.metaObject();
for (int i = 0; i < mo->methodCount(); ++i) {
const QMetaMethod method = mo->method(i);
if (method.access() == QMetaMethod::Private)
privateMethods << QString::fromUtf8(method.name());
}
}
QVERIFY(privateMethods.contains("myPrivateMethod"));
privateMethods << QStringLiteral("deleteLater") << QStringLiteral("destroyed");
QJSValueIterator it(jsWrapper);
while (it.hasNext()) {
it.next();
QVERIFY(!privateMethods.contains(it.name()));
}
}
void tst_QJSEngine::engineForObject()
{
QObject object;
{
QJSEngine engine;
QVERIFY(!qjsEngine(&object));
QJSValue wrapper = engine.newQObject(&object);
QQmlEngine::setObjectOwnership(&object, QQmlEngine::CppOwnership);
QVERIFY(qjsEngine(&object));
}
QVERIFY(!qjsEngine(&object));
}
void tst_QJSEngine::intConversion_QTBUG43309()
{
// This failed in the interpreter:
QJSEngine engine;
QString jsCode = "var n = 0.1; var m = (n*255) | 0; m";
QJSValue result = engine.evaluate( jsCode );
QVERIFY(result.isNumber());
QCOMPARE(result.toNumber(), 25.0);
}
#ifdef QT_DEPRECATED
// QTBUG-44039 and QTBUG-43885:
void tst_QJSEngine::toFixed()
{
QJSEngine engine;
QJSValue result = engine.evaluate(QStringLiteral("(12.5).toFixed()"));
QVERIFY(result.isString());
QCOMPARE(result.toString(), QStringLiteral("13"));
result = engine.evaluate(QStringLiteral("(12.05).toFixed(1)"));
QVERIFY(result.isString());
QCOMPARE(result.toString(), QStringLiteral("12.1"));
}
#endif
void tst_QJSEngine::argumentEvaluationOrder()
{
QJSEngine engine;
QJSValue ok = engine.evaluate(
"function record(arg1, arg2) {\n"
" parameters = [arg1, arg2]\n"
"}\n"
"function test() {\n"
" var i = 2;\n"
" record(i, i += 2);\n"
"}\n"
"test()\n"
"parameters[0] == 2 && parameters[1] == 4");
qDebug() << ok.toString();
QVERIFY(ok.isBool());
QVERIFY(ok.toBool());
}
class TestObject : public QObject
{
Q_OBJECT
public:
TestObject() {}
bool called = false;
Q_INVOKABLE void callMe(QQmlV4Function *) {
called = true;
}
};
void tst_QJSEngine::v4FunctionWithoutQML()
{
TestObject obj;
QJSEngine engine;
QJSValue wrapper = engine.newQObject(&obj);
QQmlEngine::setObjectOwnership(&obj, QQmlEngine::CppOwnership);
QVERIFY(!obj.called);
wrapper.property("callMe").call();
QVERIFY(obj.called);
}
void tst_QJSEngine::withNoContext()
{
// Don't crash (QTBUG-53794)
QJSEngine engine;
engine.evaluate("with (noContext) true");
}
void tst_QJSEngine::holeInPropertyData()
{
QJSEngine engine;
QJSValue ok = engine.evaluate(
"var o = {};\n"
"o.bar = 0xcccccccc;\n"
"o.foo = 0x55555555;\n"
"Object.defineProperty(o, 'bar', { get: function() { return 0xffffffff }});\n"
"o.bar === 0xffffffff && o.foo === 0x55555555;");
QVERIFY(ok.isBool());
QVERIFY(ok.toBool());
}
void tst_QJSEngine::basicBlockMergeAfterLoopPeeling()
{
QJSEngine engine;
QJSValue ok = engine.evaluate(
"function crashMe() {\n"
" var seen = false;\n"
" while (globalVar) {\n"
" if (seen)\n"
" return;\n"
" seen = true;\n"
" }\n"
"}\n");
QVERIFY(!ok.isCallable());
}
void tst_QJSEngine::modulusCrash()
{
QJSEngine engine;
QJSValue result = engine.evaluate(
"var a = -2147483648; var b = -1; var c = a % b; c;"
);
QVERIFY(result.isNumber() && result.toNumber() == 0.);
}
void tst_QJSEngine::malformedExpression()
{
QJSEngine engine;
engine.evaluate("5%55555&&5555555\n7-0");
}
void tst_QJSEngine::scriptScopes()
{
QJSEngine engine;
QJSValue def = engine.evaluate("'use strict'; function foo() { return 42 }");
QVERIFY(!def.isError());
QJSValue globalObject = engine.globalObject();
QJSValue foo = globalObject.property("foo");
QVERIFY(foo.isObject());
QVERIFY(foo.isCallable());
QJSValue use = engine.evaluate("'use strict'; foo()");
QVERIFY(use.isNumber());
QCOMPARE(use.toInt(), 42);
}
void tst_QJSEngine::binaryNumbers()
{
QJSEngine engine;
QJSValue result = engine.evaluate("0b1001");
QVERIFY(result.isNumber());
QVERIFY(result.toNumber() == 9);
result = engine.evaluate("0B1001");
QVERIFY(result.isNumber());
QVERIFY(result.toNumber() == 9);
result = engine.evaluate("0b2");
QVERIFY(result.isError());
}
void tst_QJSEngine::octalNumbers()
{
QJSEngine engine;
QJSValue result = engine.evaluate("0o11");
QVERIFY(result.isNumber());
QVERIFY(result.toNumber() == 9);
result = engine.evaluate("0O11");
QVERIFY(result.isNumber());
QVERIFY(result.toNumber() == 9);
result = engine.evaluate("0o9");
QVERIFY(result.isError());
}
void tst_QJSEngine::incrementAfterNewline()
{
QJSEngine engine;
QJSValue result = engine.evaluate("var x = 0; if (\n++x) x; else -x;");
QVERIFY(result.isNumber());
QVERIFY(result.toNumber() == 1);
result = engine.evaluate("var x = 0; if (\n--x) x; else -x;");
QVERIFY(result.isNumber());
QVERIFY(result.toNumber() == -1);
}
void tst_QJSEngine::deleteInsideForIn()
{
QJSEngine engine;
QJSValue iterationCount = engine.evaluate(
"var o = { a: 1, b: 2, c: 3, d: 4};\n"
"var count = 0;\n"
"for (var prop in o) { count++; delete o[prop]; }\n"
"count");
QVERIFY(iterationCount.isNumber());
QCOMPARE(iterationCount.toInt(), 4);
}
void tst_QJSEngine::functionToString_data()
{
QTest::addColumn<QString>("source");
QTest::addColumn<QString>("expectedString");
QTest::newRow("named function") << QString::fromLatin1("function f() {}; f.toString()")
<< QString::fromLatin1("function f() { [native code] }");
QTest::newRow("anonymous function") << QString::fromLatin1("(function() {}).toString()")
<< QString::fromLatin1("function() { [native code] }");
}
// Tests that function.toString() prints the function's name.
void tst_QJSEngine::functionToString()
{
QFETCH(QString, source);
QFETCH(QString, expectedString);
QJSEngine engine;
engine.installExtensions(QJSEngine::AllExtensions);
QJSValue evaluationResult = engine.evaluate(source);
QVERIFY(!evaluationResult.isError());
QCOMPARE(evaluationResult.toString(), expectedString);
}
void tst_QJSEngine::stringReplace()
{
QJSEngine engine;
QJSValue val = engine.evaluate("'x'.replace('x', '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$1"));
val = engine.evaluate("'x'.replace('x', '$10')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$10"));
val = engine.evaluate("'x'.replace('x', '$01')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$01"));
val = engine.evaluate("'x'.replace('x', '$0')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$0"));
val = engine.evaluate("'x'.replace('x', '$00')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$00"));
val = engine.evaluate("'x'.replace(/(x)/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("x"));
val = engine.evaluate("'x'.replace(/(x)/, '$01')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("x"));
val = engine.evaluate("'x'.replace(/(x)/, '$2')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$2"));
val = engine.evaluate("'x'.replace(/(x)/, '$02')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$02"));
val = engine.evaluate("'x'.replace(/(x)/, '$0')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$0"));
val = engine.evaluate("'x'.replace(/(x)/, '$00')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("$00"));
val = engine.evaluate("'x'.replace(/()()()()()()()()()(x)/, '$11')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("1"));
val = engine.evaluate("'x'.replace(/()()()()()()()()()(x)/, '$10')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("x"));
val = engine.evaluate("'123'.replace(/\\.0*$|(\\.\\d*[1-9])(0+)$/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("123"));
val = engine.evaluate("'123.00'.replace(/\\.0*$|(\\.\\d*[1-9])(0+)$/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("123"));
val = engine.evaluate("'123.0'.replace(/\\.0*$|(\\.\\d*[1-9])(0+)$/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("123"));
val = engine.evaluate("'123.'.replace(/\\.0*$|(\\.\\d*[1-9])(0+)$/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("123"));
val = engine.evaluate("'123.50'.replace(/\\.0*$|(\\.\\d*[1-9])(0+)$/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("123.5"));
val = engine.evaluate("'123.05'.replace(/\\.0*$|(\\.\\d*[1-9])(0+)$/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("123.05"));
val = engine.evaluate("'0.050'.replace(/\\.0*$|(\\.\\d*[1-9])(0+)$/, '$1')");
QVERIFY(val.isString());
QCOMPARE(val.toString(), QString("0.05"));
}
void tst_QJSEngine::protoChanges_QTBUG68369()
{
QJSEngine engine;
QJSValue ok = engine.evaluate(
"var o = { x: true };"
"var p1 = {};"
"var p2 = {};"
"o.__proto__ = p1;"
"o.__proto__ = p2;"
"o.__proto__ = p1;"
"p1.y = true;"
"o.y"
);
QVERIFY(ok.toBool() == true);
}
void tst_QJSEngine::multilineStrings()
{
QJSEngine engine;
QJSValue result = engine.evaluate(
"var x = `a\nb`; x;"
);
QVERIFY(result.isString());
QVERIFY(result.toString() == QStringLiteral("a\nb"));
}
void tst_QJSEngine::throwError()
{
QJSEngine engine;
QJSValue wrappedThis = engine.newQObject(this);
QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
engine.globalObject().setProperty("testCase", wrappedThis);
QJSValue result = engine.evaluate(
"function test(){\n"
"try {\n"
" return testCase.throwingCppMethod1();\n"
"} catch (error) {\n"
" return error;\n"
"}\n"
"return \"not reached!\";\n"
"}\n"
"test();"
);
QVERIFY(result.isError());
QCOMPARE(result.errorType(), QJSValue::GenericError);
QCOMPARE(result.property("lineNumber").toString(), "3");
QCOMPARE(result.property("message").toString(), "blub");
QVERIFY(!result.property("stack").isUndefined());
}
void tst_QJSEngine::throwErrorObject()
{
QJSEngine engine;
QJSValue wrappedThis = engine.newQObject(this);
QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
engine.globalObject().setProperty("testCase", wrappedThis);
QJSValue result = engine.evaluate(
"function test(){\n"
" try {\n"
" testCase.throwingCppMethod2();\n"
" } catch (error) {\n"
" if (error instanceof TypeError) {\n"
" return error;\n"
" }\n"
" }\n"
" return null;\n"
"}\n"
"test();"
);
QVERIFY(result.isError());
QCOMPARE(result.errorType(), QJSValue::TypeError);
QCOMPARE(result.property("lineNumber").toString(), "3");
QCOMPARE(result.property("message").toString(), "Wrong type");
QVERIFY(!result.property("stack").isUndefined());
}
void tst_QJSEngine::returnError()
{
QJSEngine engine;
QJSValue wrappedThis = engine.newQObject(this);
QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
engine.globalObject().setProperty("testCase", wrappedThis);
QJSValue result = engine.evaluate("testCase.throwingCppMethod3()");
QVERIFY(result.isError());
QCOMPARE(result.errorType(), QJSValue::EvalError);
QCOMPARE(result.property("lineNumber").toString(), "1");
QCOMPARE(result.property("message").toString(), "Something is wrong");
QVERIFY(!result.property("stack").isUndefined());
}
void tst_QJSEngine::catchError()
{
QJSEngine engine;
QVERIFY(!engine.hasError());
engine.throwError(QJSValue::GenericError, "some error");
QVERIFY(engine.hasError());
const QJSValue error = engine.catchError();
QVERIFY(error.isError());
QCOMPARE(error.errorType(), QJSValue::GenericError);
QCOMPARE(error.property("message").toString(), "some error");
QVERIFY(!engine.hasError());
}
QJSValue tst_QJSEngine::throwingCppMethod1()
{
qjsEngine(this)->throwError(QStringLiteral("blub"));
return QJSValue(47);
}
void tst_QJSEngine::throwingCppMethod2()
{
qjsEngine(this)->throwError(QJSValue::TypeError, "Wrong type");
}
QJSValue tst_QJSEngine::throwingCppMethod3()
{
QJSEngine *engine = qjsEngine(this);
engine->throwError(engine->newErrorObject(QJSValue::EvalError, "Something is wrong"));
return QJSValue(31);
}
void tst_QJSEngine::mathMinMax()
{
QJSEngine engine;
QJSValue result = engine.evaluate("var a = .5; Math.min(1, 2, 3.5 + a, '5')");
QCOMPARE(result.toNumber(), 1.0);
QVERIFY(QV4::Value(QJSValuePrivate::asReturnedValue(&result)).isInteger());
result = engine.evaluate("var a = .5; Math.max('0', 1, 2, 3.5 + a)");
QCOMPARE(result.toNumber(), 4.0);
QVERIFY(QV4::Value(QJSValuePrivate::asReturnedValue(&result)).isInteger());
}
void tst_QJSEngine::mathNegativeZero()
{
QJSEngine engine;
QJSValue result = engine.evaluate("var a = 0; Object.is(-1*a, -0)");
QVERIFY(result.isBool());
QVERIFY(result.toBool());
result = engine.evaluate("var a = 0; Object.is(1*a, 0)");
QVERIFY(result.isBool());
QVERIFY(result.toBool());
}
void tst_QJSEngine::importModule()
{
// This is just a basic test for the API. Primary test coverage is via the ES test suite.
QJSEngine engine;
QJSValue ns = engine.importModule(QStringLiteral(":/testmodule.mjs"));
QCOMPARE(ns.property("value").toInt(), 42);
ns.property("sideEffect").call();
// Make sure that importing a second time will return the same instance.
QJSValue secondNamespace = engine.importModule(QStringLiteral(":/testmodule.mjs"));
QCOMPARE(secondNamespace.property("value").toInt(), 43);
}
void tst_QJSEngine::importModuleRelative()
{
const QString oldWorkingDirectory = QDir::currentPath();
auto workingDirectoryGuard = qScopeGuard([oldWorkingDirectory]{
QDir::setCurrent(oldWorkingDirectory);
});
QTemporaryDir tempDir;
QVERIFY(tempDir.isValid());
QDir::setCurrent(tempDir.path());
{
QFile f(QStringLiteral("relativemodule.mjs"));
QVERIFY(f.open(QIODevice::WriteOnly|QIODevice::Truncate));
f.write(QByteArrayLiteral("var value = 100; export { value }; export function change() { value = value + 1 }"));
}
QJSEngine engine;
{
QJSValue module = engine.importModule(QStringLiteral("relativemodule.mjs"));
QVERIFY2(!module.isError(), qPrintable(module.toString()));
QCOMPARE(module.property("value").toInt(), 100);
module.property("change").call();
}
{
QJSValue sameModule = engine.importModule(tempDir.filePath(QStringLiteral("relativemodule.mjs")));
QVERIFY2(!sameModule.isError(), qPrintable(sameModule.toString()));
QCOMPARE(sameModule.property("value").toInt(), 101);
}
}
void tst_QJSEngine::importModuleWithLexicallyScopedVars()
{
QJSEngine engine;
QJSValue ns = engine.importModule(QStringLiteral(":/modulewithlexicals.mjs"));
QVERIFY2(!ns.isError(), qPrintable(ns.toString()));
QCOMPARE(ns.property("main").call().toInt(), 10);
}
void tst_QJSEngine::importExportErrors()
{
{
QJSEngine engine;
QJSValue result = engine.importModule(QStringLiteral(":/importerror1.mjs"));
QVERIFY(result.isError());
QCOMPARE(result.property("lineNumber").toInt(), 2);
}
{
QJSEngine engine;
QJSValue result = engine.importModule(QStringLiteral(":/exporterror1.mjs"));
QVERIFY(result.isError());
QCOMPARE(result.property("lineNumber").toInt(), 2);
}
}
void tst_QJSEngine::registerModule()
{
QJSEngine engine;
QJSValue magic(63);
QJSValue name("Qt6");
QJSValue version("6.1.3");
QJSValue obj = engine.newObject();
bool ret = false;
obj.setProperty("name", name);
obj.setProperty("version", version);
ret = engine.registerModule("magic", magic);
QVERIFY2(ret, "Error registering magic");
ret = engine.registerModule("qt_info", obj);
QVERIFY2(ret, "Error registering qt_info");
QJSValue result = engine.importModule(QStringLiteral(":/testregister.mjs"));
QVERIFY(!result.isError());
QJSValue nameVal = result.property("getName").call();
QJSValue magicVal = result.property("getMagic").call();
QCOMPARE(nameVal.toString(), QLatin1String("Qt6"));
QCOMPARE(magicVal.toInt(), 63);
// Verify that "name" doesn't change in JS even if the object is changed.
QJSValue replacement("Bad");
obj.setProperty("name", replacement);
QJSValue newNameVal = result.property("getName").call();
QCOMPARE(nameVal.toString(), "Qt6");
}
class TestRegisterObject : public QObject
{
Q_OBJECT
public:
TestRegisterObject() {}
Q_INVOKABLE int add(int a, int b) {
return a + b;
}
};
void tst_QJSEngine::registerModuleQObject()
{
QJSEngine engine;
TestRegisterObject obj;
QJSValue wrapper = engine.newQObject(&obj);
auto args = QJSValueList() << 1 << 2;
bool ret = engine.registerModule("math", wrapper);
QVERIFY(ret);
QJSValue result = engine.importModule(QStringLiteral(":/testregister2.mjs"));
QVERIFY(!result.isError());
QJSValue value = result.property("addAndDouble").call(args);
QCOMPARE(value.toInt(), 6);
}
void tst_QJSEngine::registerModuleNamedError() {
QJSEngine engine;
QJSValue notanobject(666);
bool ret = engine.registerModule("notanobject", notanobject);
QVERIFY(ret);
QJSValue result = engine.importModule(QStringLiteral(":/testregister3.mjs"));
QCOMPARE(result.toString(), QString("ReferenceError: Unable to resolve import reference subval because notanobject is not an object"));
}
void tst_QJSEngine::equality()
{
QJSEngine engine;
QJSValue ok = engine.evaluate("(0 < 0) ? 'ko' : 'ok'");
QVERIFY(ok.isString());
QCOMPARE(ok.toString(), QString("ok"));
}
void tst_QJSEngine::aggressiveGc()
{
const QByteArray origAggressiveGc = qgetenv("QV4_MM_AGGRESSIVE_GC");
qputenv("QV4_MM_AGGRESSIVE_GC", "true");
{
QJSEngine engine; // ctor crashes if core allocation methods don't properly scope things.
QJSValue obj = engine.newObject();
QVERIFY(obj.isObject());
}
qputenv("QV4_MM_AGGRESSIVE_GC", origAggressiveGc);
}
void tst_QJSEngine::noAccumulatorInTemplateLiteral()
{
// Use aggressive GC to increase our chances of triggering the problem.
const QByteArray origAggressiveGc = qgetenv("QV4_MM_AGGRESSIVE_GC");
qputenv("QV4_MM_AGGRESSIVE_GC", "true");
QJSEngine engine;
const int maxCallDepth = QV4::ExecutionEngine::maxCallDepth();
const auto guard = qScopeGuard([&]() {
QV4::ExecutionEngine::setMaxCallDepth(maxCallDepth);
qputenv("QV4_MM_AGGRESSIVE_GC", origAggressiveGc);
});
// Since it takes too long to get a real stack overflow with the function below,
// let's switch to call depth tracking.
QV4::ExecutionEngine::setMaxCallDepth(64);
engine.handle()->callDepth = 0;
// getTemplateLiteral should not save the accumulator as it's garbage and trashes
// the next GC run. Instead, we want to see the stack overflow error.
QJSValue value = engine.evaluate("function a(){\nS=o=>s\nFunction``\na()}a()");
QVERIFY(value.isError());
QCOMPARE(value.toString(), "RangeError: Maximum call stack size exceeded.");
}
void tst_QJSEngine::interrupt_data()
{
QTest::addColumn<int>("jitThreshold");
QTest::addColumn<QString>("code");
const int big = (1 << 24);
for (int i = 0; i <= big; i += big) {
const char *mode = i ? "interpret" : "jit";
QTest::addRow("for with content / %s", mode) << i << "var a = 0; for (;;) { a += 2; }";
QTest::addRow("for empty / %s", mode) << i << "for (;;) {}";
QTest::addRow("for continue / %s", mode) << i << "for (;;) { continue; }";
QTest::addRow("while with content / %s", mode) << i << "var a = 0; while (true) { a += 2; }";
QTest::addRow("while empty / %s", mode) << i << "while (true) {}";
QTest::addRow("while continue / %s", mode) << i << "while (true) { continue; }";
QTest::addRow("do with content / %s", mode) << i << "var a = 0; do { a += 2; } while (true);";
QTest::addRow("do empty / %s", mode) << i << "do {} while (true);";
QTest::addRow("do continue / %s", mode) << i << "do { continue; } while (true);";
QTest::addRow("nested loops / %s", mode) << i << "while (true) { for (;;) {} }";
QTest::addRow("labeled continue / %s", mode) << i << "a: while (true) { for (;;) { continue a; } }";
QTest::addRow("labeled break / %s", mode) << i << "while (true) { a: for (;;) { break a; } }";
QTest::addRow("tail call / %s", mode) << i << "'use strict';\nfunction x() { return x(); }; x();";
QTest::addRow("huge array join / %s", mode) << i << "Array(1E9)|1";
}
}
class TemporaryJitThreshold
{
Q_DISABLE_COPY_MOVE(TemporaryJitThreshold)
public:
TemporaryJitThreshold(int threshold) {
m_wasSet = qEnvironmentVariableIsSet(m_envVar);
m_value = qgetenv(m_envVar);
qputenv(m_envVar, QByteArray::number(threshold));
}
~TemporaryJitThreshold()
{
if (m_wasSet)
qputenv(m_envVar, m_value);
else
qunsetenv(m_envVar);
}
private:
const char *m_envVar = "QV4_JIT_CALL_THRESHOLD";
bool m_wasSet = false;
QByteArray m_value;
};
void tst_QJSEngine::interrupt()
{
#if QT_CONFIG(cxx11_future)
QFETCH(int, jitThreshold);
QFETCH(QString, code);
TemporaryJitThreshold threshold(jitThreshold);
Q_UNUSED(threshold);
QJSEngine *engineInThread = nullptr;
QScopedPointer<QThread> worker(QThread::create([&engineInThread, &code](){
QJSEngine jsEngine;
engineInThread = &jsEngine;
QJSValue result = jsEngine.evaluate(code);
QVERIFY(jsEngine.isInterrupted());
QVERIFY(result.isError());
QCOMPARE(result.toString(), QString::fromLatin1("Error: Interrupted"));
engineInThread = nullptr;
}));
worker->start();
QTRY_VERIFY(engineInThread);
engineInThread->setInterrupted(true);
QVERIFY(worker->wait());
QVERIFY(!engineInThread);
#else
QSKIP("This test requires C++11 futures");
#endif
}
void tst_QJSEngine::triggerBackwardJumpWithDestructuring()
{
QJSEngine engine;
auto value = engine.evaluate(
"function makeArray(n) { return [...Array(n).keys()]; }\n"
"for (let i=0;i<100;++i) {\n"
" let arr = makeArray(20)\n"
" arr.sort( (a, b) => b - a )\n"
"}"
);
QVERIFY(!value.isError());
}
void tst_QJSEngine::arrayConcatOnSparseArray()
{
QJSEngine engine;
engine.installExtensions(QJSEngine::GarbageCollectionExtension);
const auto value = engine.evaluate(
"(function() {\n"
" const v4 = [1,2,3];\n"
" const v7 = [4,5];\n"
" v7.length = 1337;\n"
" const v9 = v4.concat(v7);\n"
" gc();\n"
" return v9;\n"
"})();");
QCOMPARE(value.property("length").toInt(), 1340);
for (int i = 0; i < 5; ++i)
QCOMPARE(value.property(i).toInt(), i + 1);
for (int i = 5; i < 1340; ++i)
QVERIFY(value.property(i).isUndefined());
}
void tst_QJSEngine::concatAfterUnshift()
{
QJSEngine engine;
const auto value = engine.evaluate(uR"(
(function() {
let test = ['val2']
test.unshift('val1')
test = test.concat([])
return test
})()
)"_s);
QVERIFY2(!value.isError(), qPrintable(value.toString()));
QVERIFY(value.isArray());
QCOMPARE(value.property(0).toString(), u"val1"_s);
QCOMPARE(value.property(1).toString(), u"val2"_s);
}
void tst_QJSEngine::sortSparseArray()
{
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
const auto value = engine.evaluate(
"(function() {\n"
" var sparse = [0];\n"
" sparse = Object.defineProperty(sparse, \"10\", "
" {get: ()=>{return 2}, set: ()=>{return 2}} );\n"
" return Array.prototype.sort.call(sparse, ()=>{});\n"
"})();");
QCOMPARE(value.property("length").toInt(), 11);
QVERIFY(value.property(0).isNumber());
QCOMPARE(value.property(0).toInt(), 0);
QVERIFY(value.property(1).isNumber());
QCOMPARE(value.property(1).toInt(), 2);
QVERIFY(value.property(10).isUndefined());
}
void tst_QJSEngine::compileBrokenRegexp()
{
QJSEngine engine;
const auto value = engine.evaluate(
"(function() {"
"var ret = new RegExp(Array(4097).join("
" String.fromCharCode(58)) + Array(4097).join(String.fromCharCode(480)) "
" + Array(65537).join(String.fromCharCode(5307)));"
"return RegExp.prototype.compile.call(ret, 'a','b');"
"})();"
);
QVERIFY(value.isError());
QCOMPARE(value.toString(), "SyntaxError: Invalid flags supplied to RegExp constructor");
}
void tst_QJSEngine::tostringRecursionCheck()
{
QJSEngine engine;
auto value = engine.evaluate(R"js(
var a = {};
var b = new Array(1337);
function main() {
var ret = a.toLocaleString;
b[1] = ret;
Array = {};
Object.toString = b[1];
var ret = String.prototype.lastIndexOf.call({}, b[1]);
var ret = String.prototype.charAt.call(Function, Object);
}
main();
)js");
QVERIFY(value.isError());
QCOMPARE(value.toString(), QLatin1String("RangeError: Maximum call stack size exceeded."));
}
void tst_QJSEngine::arrayIncludesWithLargeArray()
{
QJSEngine engine;
auto value = engine.evaluate(R"js(
let arr = new Array(10000000)
arr.includes(42)
)js");
QVERIFY(value.isBool());
QCOMPARE(value.toBool(), false);
}
void tst_QJSEngine::printCircularArray()
{
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
QTest::ignoreMessage(QtMsgType::QtDebugMsg, "[[Circular]]");
auto value = engine.evaluate(R"js(
let v1 = []
v1.push(v1)
console.log(v1)
)js");
}
void tst_QJSEngine::sortNonStringArray()
{
QJSEngine engine;
const auto value = engine.evaluate(
"const v4 = [Symbol.iterator, 1];"
"const v5 = v4.sort();"
);
QVERIFY(value.isError());
QCOMPARE(value.toString(), "TypeError: Cannot convert a symbol to a string.");
}
void tst_QJSEngine::iterateInvalidProxy()
{
QJSEngine engine;
const auto value = engine.evaluate(
"const v1 = new Proxy(Reflect, Reflect);"
"for (const v2 in v1) {}"
"const v3 = { getOwnPropertyDescriptor: eval, getPrototypeOf: eval };"
"const v4 = new Proxy(v3, v3);"
"for (const v5 in v4) {}"
);
QVERIFY(value.isError());
QCOMPARE(value.toString(), "TypeError: Type error");
}
void tst_QJSEngine::applyOnHugeArray()
{
QJSEngine engine;
const auto value = engine.evaluate(
"var a = new Array(10);"
"a[536870912] = Function;"
"Function.apply('aaaaaaaa', a);"
);
QVERIFY(value.isError());
QCOMPARE(value.toString(), "RangeError: Array too large for apply().");
}
void tst_QJSEngine::reflectApplyOnHugeArray()
{
QQmlEngine engine;
const QJSValue value = engine.evaluate(R"(
(function(){
const v1 = [];
const v3 = [];
v3.length = 3900000000;
Reflect.apply(v1.reverse,v1,v3);
})()
)");
QVERIFY(value.isError());
QCOMPARE(value.toString(), QLatin1String("RangeError: Invalid array length."));
}
void tst_QJSEngine::jsonStringifyHugeArray()
{
QQmlEngine engine;
const QJSValue value = engine.evaluate(R"(
(function(){
const v3 = [];
v3.length = 3900000000;
JSON.stringify([], v3);
})()
)");
QVERIFY(value.isError());
QCOMPARE(value.toString(), QLatin1String("RangeError: Invalid array length."));
}
void tst_QJSEngine::typedArraySet()
{
QJSEngine engine;
const auto value = engine.evaluate(
"(function() {"
" var length = 0xfffffe0;"
" var offset = 0xfffffff0;"
" var e1;"
" var e2;"
" try {"
" var source1 = new Int8Array(length);"
" var target1 = new Int8Array(length);"
" target1.set(source1, offset);"
" } catch (intError) {"
" e1 = intError;"
" }"
" try {"
" var source2 = new Array(length);"
" var target2 = new Int8Array(length);"
" target2.set(source2, offset);"
" } catch (arrayError) {"
" e2 = arrayError;"
" }"
" return [e1, e2];"
"})();"
);
QVERIFY(value.isArray());
for (int i = 0; i < 2; ++i) {
const auto error = value.property(i);
QVERIFY(error.isError());
QCOMPARE(error.toString(), "RangeError: TypedArray.set: out of range");
}
}
void tst_QJSEngine::dataViewCtor()
{
QJSEngine engine;
const auto error = engine.evaluate(R"(
(function() { try {
var buf = new ArrayBuffer(0x200);
var vuln = new DataView(buf, 8, 0xfffffff8);
} catch (e) {
return e;
}})()
)");
QVERIFY(error.isError());
QCOMPARE(error.toString(), "RangeError: DataView: constructor arguments out of range");
}
void tst_QJSEngine::uiLanguage()
{
{
QJSEngine engine;
QVERIFY(!engine.globalObject().hasProperty("Qt"));
engine.installExtensions(QJSEngine::TranslationExtension);
QVERIFY(engine.globalObject().hasProperty("Qt"));
QVERIFY(engine.globalObject().property("Qt").hasProperty("uiLanguage"));
engine.setUiLanguage("Blah");
QCOMPARE(engine.globalObject().property("Qt").property("uiLanguage").toString(), "Blah");
engine.evaluate("Qt.uiLanguage = \"another\"");
QCOMPARE(engine.globalObject().property("Qt").property("uiLanguage").toString(), "another");
}
{
QQmlEngine qmlEngine;
QVERIFY(qmlEngine.globalObject().hasProperty("Qt"));
QVERIFY(qmlEngine.globalObject().property("Qt").hasProperty("uiLanguage"));
qmlEngine.setUiLanguage("Blah");
QCOMPARE(qmlEngine.globalObject().property("Qt").property("uiLanguage").toString(), "Blah");
}
}
void tst_QJSEngine::urlObject()
{
QJSEngine engine;
const QString href = QStringLiteral(
"http://uuu:ppp@example.com:777/foo/bar?search=stuff&other=where#hhh");
const QUrl url(href);
QJSManagedValue v(engine.evaluate(QStringLiteral("new URL('%1')").arg(href)), &engine);
QVERIFY(v.isObject());
QJSManagedValue proto(v.prototype());
auto check = [&](const QString &prop, const QString &expected) {
QCOMPARE(v.property(prop).toString(), expected);
QVERIFY(proto.property(prop).isUndefined());
QVERIFY(engine.hasError());
QCOMPARE(engine.catchError().toString(),
QStringLiteral("TypeError: Value of \"this\" must be of type URL"));
};
check(QStringLiteral("href"), url.toString());
check(QStringLiteral("origin"), QStringLiteral("http://example.com:777"));
check(QStringLiteral("protocol"), url.scheme() + QLatin1Char(':'));
check(QStringLiteral("username"), url.userName());
check(QStringLiteral("password"), url.password());
check(QStringLiteral("host"), url.host() + u':' + QString::number(url.port()));
check(QStringLiteral("hostname"), url.host());
check(QStringLiteral("port"), QString::number(url.port()));
check(QStringLiteral("pathname"), url.path());
check(QStringLiteral("search"), QStringLiteral("?search=stuff&other=where"));
check(QStringLiteral("hash"), u'#' + url.fragment());
QJSManagedValue s(v.property("searchParams"), &engine);
QVERIFY(s.isObject());
const QStringList searchParamsMethods = {
QStringLiteral("append"),
QStringLiteral("delete"),
QStringLiteral("get"),
QStringLiteral("getAll"),
QStringLiteral("has"),
QStringLiteral("set"),
QStringLiteral("sort"),
QStringLiteral("entries"),
QStringLiteral("forEach"),
QStringLiteral("keys"),
QStringLiteral("values"),
QStringLiteral("toString")
};
for (const QString &method : searchParamsMethods) {
QJSManagedValue get(s.property(method), &engine);
// Shoudn't crash.
// We get different error messages depending on parameters, though.
QJSValue undef = get.call({});
QVERIFY(undef.isUndefined());
QVERIFY(engine.hasError());
engine.catchError();
}
QVariant urlVariant(url);
QV4::Scope scope(engine.handle());
QV4::ScopedValue urlValue(scope, scope.engine->fromVariant(urlVariant));
QVERIFY(urlValue->isObject());
QUrl result1;
QVERIFY(QV4::ExecutionEngine::metaTypeFromJS(urlValue, QMetaType::fromType<QUrl>(), &result1));
QCOMPARE(result1, url);
QV4::ScopedValue urlVariantValue(scope, scope.engine->newVariantObject(
QMetaType::fromType<QUrl>(), &url));
QVERIFY(urlVariantValue->isObject());
QUrl result2;
QVERIFY(QV4::ExecutionEngine::metaTypeFromJS(urlVariantValue, QMetaType::fromType<QUrl>(),
&result2));
QCOMPARE(result2, url);
}
void tst_QJSEngine::thisInConstructor()
{
QJSEngine engine;
const QJSValue result = engine.evaluate(R"((function() {
let a = undefined;
class Bugtest {
constructor() {
(() => {
if (true) {
a = this;
}
})();
}
};
new Bugtest();
return a;
})())");
QVERIFY(!result.isUndefined());
QVERIFY(result.isObject());
}
void tst_QJSEngine::forOfAndGc()
{
// We want to guard against the iterator of a for..of loop leaving the result unprotected from
// garbage collection. It should be possible to construct a pure JS test case, but due to the
// vaguaries of garbage collection it's hard to reliably trigger the crash. This test is the
// best I could come up with.
QQmlEngine engine;
QQmlComponent c(&engine);
c.setData(R"(
import QtQml
QtObject {
id: counter
property int count: 0
property DelegateModel model: DelegateModel {
id: filesModel
model: ListModel {
Component.onCompleted: {
for (let idx = 0; idx < 50; idx++)
append({"i" : idx})
}
}
groups: [
DelegateModelGroup {
name: "selected"
}
]
function getSelected() {
for (let i = 0; i < items.count; ++i) {
var item = items.get(i)
for (let el of item.groups) {
if (el === "selected")
++counter.count
}
}
}
property bool bSelect: true
function selectAll() {
for (let i = 0; i < items.count; ++i) {
if (bSelect && !items.get(i).inSelected)
items.addGroups(i, 1, ["selected"])
else
items.removeGroups(i, 1, ["selected"])
getSelected()
}
bSelect = !bSelect
}
}
property Timer timer: Timer {
running: true
interval: 1
repeat: true
onTriggered: filesModel.selectAll()
}
}
)", QUrl());
QVERIFY2(c.isReady(), qPrintable(c.errorString()));
QScopedPointer<QObject> o(c.create());
QTRY_VERIFY(o->property("count").toInt() > 32768);
}
void tst_QJSEngine::jsExponentiate()
{
const double numbers[] = {
std::numeric_limits<int>::min(), -10, -1, 0, 1, 10, std::numeric_limits<int>::max(),
-std::numeric_limits<double>::infinity(), -100.1, -1.2, -0.0, 0.0, 1.2, 100.1,
std::numeric_limits<double>::infinity(), std::numeric_limits<double>::quiet_NaN()
};
QJSEngine engine;
const QJSManagedValue exp(engine.evaluate("(function(a, b) { return a ** b })"), &engine);
const QJSManagedValue pow(engine.evaluate("Math.pow"), &engine);
QVERIFY(exp.isFunction());
QVERIFY(pow.isFunction());
for (double a : numbers) {
for (double b : numbers)
QCOMPARE(exp.call({a, b}).toNumber(), pow.call({a, b}).toNumber());
}
}
void tst_QJSEngine::arrayBuffer()
{
QJSEngine engine;
auto test = [&engine](const QByteArray &ba) {
QJSValue value = engine.toScriptValue(ba);
engine.globalObject().setProperty("array", value);
const auto result = engine.evaluate("(function(){ return array.byteLength; })()");
QVERIFY(result.isNumber());
QCOMPARE(result.toInt(), ba.size());
};
test({});
test("Hello");
}
void tst_QJSEngine::staticInNestedClasses()
{
QJSEngine engine;
const QString program = uR"(
class Tester {
constructor() {
new (class {})();
}
static get test() { return "a" }
}
Tester.test
)"_s;
QCOMPARE(engine.evaluate(program).toString(), u"a"_s);
}
void tst_QJSEngine::callElement()
{
QJSEngine engine;
const QString program = uR"(
function myFunc(arg) { return arg === this; };
let array = [myFunc, "string"];
array[0](array.reverse()) ? "a" : "b";
)"_s;
QCOMPARE(engine.evaluate(program).toString(), u"a"_s);
}
void tst_QJSEngine::tdzViolations_data()
{
QTest::addColumn<QString>("type");
QTest::addRow("let") << u"let"_s;
QTest::addRow("const") << u"const"_s;
}
void tst_QJSEngine::tdzViolations()
{
QFETCH(QString, type);
type.resize(8, u' '); // pad with some spaces, so that the columns match.
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
const QString program1 = uR"(
(function() {
a = 5;
%1 a = 1;
return a;
})();
)"_s.arg(type);
QTest::ignoreMessage(
QtWarningMsg,
":3:13 Variable \"a\" is used before its declaration at 4:22.");
const QJSValue result1 = engine.evaluate(program1);
QVERIFY(result1.isError());
QCOMPARE(result1.toString(), u"ReferenceError: a is not defined"_s);
const QString program2 = uR"(
(function() {
function stringify(x) { return x + "" }
var c = "";
for (var a = 0; a < 10; ++a) {
if (a > 0) {
c += stringify(b);
}
%1 b = 10;
}
return c;
})();
)"_s.arg(type);
QTest::ignoreMessage(
QtWarningMsg,
":7:36 Variable \"b\" is used before its declaration at 9:26.");
const QJSValue result2 = engine.evaluate(program2);
QVERIFY(result2.isError());
QCOMPARE(result2.toString(), u"ReferenceError: b is not defined"_s);
const QString program3 = uR"(
(function() {
var a = 10;
switch (a) {
case 1:
%1 b = 5;
case 10:
console.log(b);
}
})();
)"_s.arg(type);
const QJSValue result3 = engine.evaluate(program3);
QVERIFY(result3.isError());
QCOMPARE(result3.toString(), u"ReferenceError: b is not defined"_s);
}
class WithToString : public QObject
{
Q_OBJECT
public:
Q_INVOKABLE int toString() const { return 29; }
};
struct UnknownToJS
{
int thing = 13;
};
void tst_QJSEngine::coerceValue()
{
const UnknownToJS u;
QMetaType::registerConverter<UnknownToJS, int>([](const UnknownToJS &u) {
return u.thing;
});
int v = 0;
QVERIFY(QMetaType::convert(QMetaType::fromType<UnknownToJS>(), &u,
QMetaType::fromType<int>(), &v));
QCOMPARE(v, 13);
QMetaType::registerConverter<UnknownToJS, QTypeRevision>([](const UnknownToJS &u) {
return QTypeRevision::fromMinorVersion(u.thing);
});
QTypeRevision w;
QVERIFY(QMetaType::convert(QMetaType::fromType<UnknownToJS>(),
&u, QMetaType::fromType<QTypeRevision>(), &w));
QCOMPARE(w, QTypeRevision::fromMinorVersion(13));
QJSEngine engine;
WithToString withToString;
const int i = 7;
const QString a = QStringLiteral("5.25");
QCOMPARE((engine.coerceValue<int, int>(i)), i);
QVERIFY((engine.coerceValue<int, QJSValue>(i)).strictlyEquals(QJSValue(i)));
QVERIFY((engine.coerceValue<int, QJSManagedValue>(i)).strictlyEquals(
QJSManagedValue(QJSPrimitiveValue(i), &engine)));
QCOMPARE((engine.coerceValue<QVariant, int>(QVariant(i))), i);
QCOMPARE((engine.coerceValue<int, QVariant>(i)), QVariant(i));
QCOMPARE((engine.coerceValue<WithToString *, QString>(&withToString)), QStringLiteral("29"));
QCOMPARE((engine.coerceValue<WithToString *, const WithToString *>(&withToString)), &withToString);
QCOMPARE((engine.coerceValue<QString, double>(a)), 5.25);
QCOMPARE((engine.coerceValue<double, QString>(5.25)), a);
QCOMPARE((engine.coerceValue<UnknownToJS, int>(u)), v); // triggers valueOf on a VariantObject
QCOMPARE((engine.coerceValue<UnknownToJS, QTypeRevision>(u)), w);
}
void tst_QJSEngine::coerceDateTime_data()
{
QTest::addColumn<QDateTime>("dateTime");
QTest::newRow("invalid") << QDateTime();
QTest::newRow("now") << QDateTime::currentDateTime();
QTest::newRow("denormal-March") << QDateTime(QDate(2019, 3, 1), QTime(0, 0, 0, 1));
QTest::newRow("denormal-leap") << QDateTime(QDate(2020, 2, 29), QTime(23, 59, 59, 999));
QTest::newRow("denormal-time") << QDateTime(QDate(2020, 2, 29), QTime(0, 0));
QTest::newRow("October") << QDateTime(QDate(2019, 10, 3), QTime(12, 0));
QTest::newRow("nonstandard-format") << QDateTime::fromString("1991-08-25 20:57:08 GMT+0000", "yyyy-MM-dd hh:mm:ss t");
QTest::newRow("nonstandard-format2") << QDateTime::fromString("Sun, 25 Mar 2018 11:10:49 GMT", "ddd, d MMM yyyy hh:mm:ss t");
const QDate date(2009, 5, 12);
const QTime early(0, 0, 1);
const QTime late(23, 59, 59);
const int offset = (11 * 60 + 30) * 60;
QTest::newRow("Local time early") << QDateTime(date, early);
QTest::newRow("Local time late") << QDateTime(date, late);
QTest::newRow("UTC early") << QDateTime(date, early, QTimeZone::UTC);
QTest::newRow("UTC late") << QDateTime(date, late, QTimeZone::UTC);
QTest::newRow("+11:30 early") << QDateTime(date, early, QTimeZone::fromSecondsAheadOfUtc(offset));
QTest::newRow("+11:30 late") << QDateTime(date, late, QTimeZone::fromSecondsAheadOfUtc(offset));
QTest::newRow("-11:30 early") << QDateTime(date, early, QTimeZone::fromSecondsAheadOfUtc(-offset));
QTest::newRow("-11:30 late") << QDateTime(date, late, QTimeZone::fromSecondsAheadOfUtc(-offset));
QTest::newRow("dt0") << QDateTime(QDate(1900, 1, 2), QTime( 8, 14));
QTest::newRow("dt1") << QDateTime(QDate(2000, 11, 22), QTime(10, 45));
}
void tst_QJSEngine::coerceDateTime()
{
QFETCH(QDateTime, dateTime);
const QDate date = dateTime.date();
const QTime time = dateTime.time();
QQmlEngine engine;
{
QQmlComponent c(&engine);
c.setData(R"(
import Test
DateTimeHolder {
string: dateTime
date: dateTime
time: dateTime
}
)", QUrl(u"fromDateTime.qml"_s));
QVERIFY2(c.isReady(), qPrintable(c.errorString()));
QScopedPointer<QObject> o(c.create());
QVERIFY(!o.isNull());
DateTimeHolder *holder = qobject_cast<DateTimeHolder *>(o.data());
QVERIFY(holder);
const QJSValue jsDateTime = engine.toScriptValue(dateTime);
holder->m_dateTime = dateTime;
emit holder->dateTimeChanged();
QCOMPARE((engine.coerceValue<QDateTime, QString>(dateTime)), holder->m_string);
QCOMPARE(qjsvalue_cast<QString>(jsDateTime), holder->m_string);
QCOMPARE((engine.coerceValue<QDateTime, QDate>(dateTime)), holder->m_date);
QCOMPARE(qjsvalue_cast<QDate>(jsDateTime), holder->m_date);
QCOMPARE((engine.coerceValue<QDateTime, QTime>(dateTime)), holder->m_time);
QCOMPARE(qjsvalue_cast<QTime>(jsDateTime), holder->m_time);
}
{
QQmlComponent c(&engine);
c.setData(R"(
import Test
DateTimeHolder {
dateTime: date
time: date
string: date
}
)", QUrl(u"fromDate.qml"_s));
QVERIFY2(c.isReady(), qPrintable(c.errorString()));
QScopedPointer<QObject> o(c.create());
QVERIFY(!o.isNull());
DateTimeHolder *holder = qobject_cast<DateTimeHolder *>(o.data());
QVERIFY(holder);
const QJSValue jsDate = engine.toScriptValue(date);
holder->m_date = date;
emit holder->dateChanged();
QCOMPARE((engine.coerceValue<QDate, QDateTime>(date)), holder->m_dateTime);
QCOMPARE(qjsvalue_cast<QDateTime>(jsDate), holder->m_dateTime);
QCOMPARE((engine.coerceValue<QDate, QString>(date)), holder->m_string);
QCOMPARE(qjsvalue_cast<QString>(jsDate), holder->m_string);
QCOMPARE((engine.coerceValue<QDate, QTime>(date)), holder->m_time);
QCOMPARE(qjsvalue_cast<QTime>(jsDate), holder->m_time);
}
{
QQmlComponent c(&engine);
c.setData(R"(
import Test
DateTimeHolder {
dateTime: time
date: time
string: time
}
)", QUrl(u"fromTime.qml"_s));
QVERIFY2(c.isReady(), qPrintable(c.errorString()));
QScopedPointer<QObject> o(c.create());
QVERIFY(!o.isNull());
DateTimeHolder *holder = qobject_cast<DateTimeHolder *>(o.data());
QVERIFY(holder);
const QJSValue jsTime = engine.toScriptValue(time);
holder->m_time = time;
emit holder->timeChanged();
QCOMPARE((engine.coerceValue<QTime, QDateTime>(time)), holder->m_dateTime);
QCOMPARE(qjsvalue_cast<QDateTime>(jsTime), holder->m_dateTime);
QCOMPARE((engine.coerceValue<QTime, QString>(time)), holder->m_string);
QCOMPARE(qjsvalue_cast<QString>(jsTime), holder->m_string);
QCOMPARE((engine.coerceValue<QTime, QDate>(time)), holder->m_date);
QCOMPARE(qjsvalue_cast<QDate>(jsTime), holder->m_date);
}
}
void tst_QJSEngine::callWithSpreadOnElement()
{
QJSEngine engine;
engine.installExtensions(QJSEngine::ConsoleExtension);
const QString program = uR"(
let f = console.error;
const data = [f, ["That is great!"]]
data[0](...data[1]);
)"_s;
QTest::ignoreMessage(QtCriticalMsg, "That is great!");
const QJSValue result = engine.evaluate(program);
QVERIFY(!result.isError());
}
void tst_QJSEngine::spreadNoOverflow()
{
QJSEngine engine;
const QString program = QString::fromLatin1("var a = [] ;a.length = 555840;Math.max(...a)");
const QJSValue result = engine.evaluate(program);
QVERIFY(result.isError());
QCOMPARE(result.errorType(), QJSValue::RangeError);
}
void tst_QJSEngine::symbolToVariant()
{
QJSEngine engine;
const QJSValue val = engine.newSymbol("asymbol");
QCOMPARE(val.toVariant(), QStringLiteral("Symbol(asymbol)"));
const QVariant retained = val.toVariant(QJSValue::RetainJSObjects);
QCOMPARE(retained.metaType(), QMetaType::fromType<QJSValue>());
QVERIFY(retained.value<QJSValue>().strictlyEquals(val));
QCOMPARE(val.toVariant(QJSValue::ConvertJSObjects), QStringLiteral("Symbol(asymbol)"));
}
class PACHelper : public QObject {
Q_OBJECT
public:
Q_INVOKABLE bool shExpMatch(const QString &, const QString &) { return false; }
Q_INVOKABLE QString dnsResolve(const QString &) { return QString{}; }
};
class ProxyAutoConf {
public:
void exposeQObjectMethodsAsGlobal(QJSEngine *engine, QObject *object)
{
QJSValue helper = engine->newQObject(object);
QJSValue g = engine->globalObject();
QJSValueIterator it(helper);
while (it.hasNext()) {
it.next();
if (!it.value().isCallable())
continue;
g.setProperty(it.name(), it.value());
}
}
bool parse(const QString & pacBytes)
{
jsFindProxyForURL = QJSValue();
engine = std::make_unique<QJSEngine>();
exposeQObjectMethodsAsGlobal(engine.get(), new PACHelper);
engine->evaluate(pacBytes);
jsFindProxyForURL = engine->globalObject().property(QStringLiteral("FindProxyForURL"));
return true;
}
QString findProxyForUrl(const QString &url, const QString &host)
{
QJSValueList args;
args << url << host;
gc(*engine->handle(), GCFlags::DontSendPostedEvents);
QJSValue callResult = jsFindProxyForURL.call(args);
return callResult.toString().trimmed();
}
private:
std::unique_ptr<QJSEngine> engine;
QJSValue jsFindProxyForURL;
};
QString const pacstring = R"js(
function FindProxyForURL(host) {
list_split_all = Array(
"oneoneoneoneo.oneo.oneo.oneoneo.one",
"twotwotwotwotw.otwo.twot.wotwotw.otw",
"threethreethr.eeth.reet.hreethr.eet",
"fourfourfourfo.urfo.urfo.urfourf.our",
"fivefivefivef.ivef.ivef.ivefive.fiv",
"sixsixsixsixsi.xsix.sixs.ixsixsi.xsi",
"sevensevenseve.nsev.ense.venseve.nse",
"eight.eighteigh.tei",
"*.nin.eninen.ine"
)
list_myip_direct =
"10.254.0.0/255.255.0.0"
for (i = 0; i < list_split_all.length; ++i)
for (j = 0; j < list_myip_direct.length; ++j)
shExpMatch(host, list_split_all)
shExpMatch()
dnsResolve()}
)js";
void tst_QJSEngine::garbageCollectedObjectMethodBase()
{
ProxyAutoConf proxyConf;
bool pac_read = false;
const auto processUrl = [&](QString const &url, QString const &host)
{
if (!pac_read) {
proxyConf.parse(pacstring);
pac_read = true;
}
return proxyConf.findProxyForUrl(url, host);
};
const QString url = QStringLiteral("https://servername.domain.test");
const QString host = QStringLiteral("servername.domain.test");
for (size_t i = 0; i < 5; ++i) {
auto future = std::async(processUrl, url, host);
QCOMPARE(future.get(), QLatin1String("Error: Insufficient arguments"));
}
}
void tst_QJSEngine::optionalChainWithElementLookup()
{
QJSEngine engine;
const QString program = R"js(
(function(xxx) { return xxx?.title["en"] ?? "A" })
)js";
QJSManagedValue func = QJSManagedValue(engine.evaluate(program), &engine);
QVERIFY(func.isFunction());
QCOMPARE(func.call({QJSValue::NullValue}).toString(), "A");
QCOMPARE(func.call({QJSValue::UndefinedValue}).toString(), "A");
const QJSValue nice
= engine.toScriptValue(QVariantMap { {"title", QVariantMap { {"en", "B"} } } });
QCOMPARE(func.call({nice}).toString(), "B");
const QJSValue naughty1
= engine.toScriptValue(QVariantMap { {"title", QVariantMap { {"fr", "B"} } } });
QCOMPARE(func.call({naughty1}).toString(), "A");
const QJSValue naughty2
= engine.toScriptValue(QVariantMap { {"foos", QVariantMap { {"en", "B"} } } });
QVERIFY(func.call({naughty2}).isUndefined());
QVERIFY(engine.hasError());
QCOMPARE(engine.catchError().toString(), "TypeError: Cannot read property 'en' of undefined");
QVERIFY(!engine.hasError());
QVERIFY(func.call({ QJSValue(4) }).isUndefined());
QVERIFY(engine.hasError());
QCOMPARE(engine.catchError().toString(), "TypeError: Cannot read property 'en' of undefined");
QVERIFY(!engine.hasError());
}
void tst_QJSEngine::deleteDefineCycle()
{
QJSEngine engine;
QStringList stackTrace;
QJSValue result = engine.evaluate(QString::fromLatin1(R"(
let global = ({})
for (let j = 0; j < 1000; j++) {
for (let i = 0; i < 2; i++) {
const name = "test" + i
delete global[name]
Object.defineProperty(global, name, { get() { return 0 }, configurable: true })
}
}
)"), {}, 1, &stackTrace);
QVERIFY(stackTrace.isEmpty());
}
QTEST_MAIN(tst_QJSEngine)
#include "tst_qjsengine.moc"
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