288 lines
9.5 KiB
C++
288 lines
9.5 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <QJSEngine>
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#include <private/qv4engine_p.h>
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#include <private/qv4debugging_p.h>
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#include <private/qv8engine_p.h>
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static bool waitForSignal(QObject* obj, const char* signal, int timeout = 10000)
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{
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QEventLoop loop;
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QObject::connect(obj, signal, &loop, SLOT(quit()));
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QTimer timer;
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QSignalSpy timeoutSpy(&timer, SIGNAL(timeout()));
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if (timeout > 0) {
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QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
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timer.setSingleShot(true);
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timer.start(timeout);
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}
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loop.exec();
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return timeoutSpy.isEmpty();
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}
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class TestEngine : public QJSEngine
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{
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Q_OBJECT
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public:
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TestEngine()
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{
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qMetaTypeId<InjectedFunction>();
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}
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Q_INVOKABLE void evaluate(const QString &script, const QString &fileName, int lineNumber = 1)
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{
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QJSEngine::evaluate(script, fileName, lineNumber);
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emit evaluateFinished();
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}
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QV4::ExecutionEngine *v4Engine() { return QV8Engine::getV4(this); }
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typedef QV4::Value (*InjectedFunction)(QV4::SimpleCallContext*);
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Q_INVOKABLE void injectFunction(const QString &functionName, TestEngine::InjectedFunction injectedFunction)
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{
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QV4::ExecutionEngine *v4 = v4Engine();
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QV4::String *name = v4->newString(functionName);
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QV4::Value function = QV4::Value::fromObject(v4->newBuiltinFunction(v4->rootContext, name, injectedFunction));
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v4->globalObject->put(name, function);
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}
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signals:
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void evaluateFinished();
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};
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Q_DECLARE_METATYPE(TestEngine::InjectedFunction)
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class TestAgent : public QV4::Debugging::DebuggerAgent
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{
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Q_OBJECT
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public:
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TestAgent()
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: m_wasPaused(false)
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{
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}
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virtual void debuggerPaused(QV4::Debugging::Debugger *debugger)
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{
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Q_ASSERT(m_debuggers.count() == 1 && m_debuggers.first() == debugger);
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m_wasPaused = true;
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m_statesWhenPaused << debugger->currentExecutionState();
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foreach (const TestBreakPoint &bp, m_breakPointsToAddWhenPaused)
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debugger->addBreakPoint(bp.fileName, bp.lineNumber);
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m_breakPointsToAddWhenPaused.clear();
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debugger->resume();
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}
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int debuggerCount() const { return m_debuggers.count(); }
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struct TestBreakPoint
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{
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TestBreakPoint() : lineNumber(-1) {}
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TestBreakPoint(const QString &fileName, int lineNumber)
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: fileName(fileName), lineNumber(lineNumber) {}
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QString fileName;
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int lineNumber;
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};
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bool m_wasPaused;
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QList<QV4::Debugging::Debugger::ExecutionState> m_statesWhenPaused;
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QList<TestBreakPoint> m_breakPointsToAddWhenPaused;
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};
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class tst_qv4debugger : public QObject
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{
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Q_OBJECT
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private slots:
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void init();
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void cleanup();
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void breakAnywhere();
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void pendingBreakpoint();
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void liveBreakPoint();
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void removePendingBreakPoint();
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void addBreakPointWhilePaused();
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void removeBreakPointForNextInstruction();
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private:
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void evaluateJavaScript(const QString &script, const QString &fileName, int lineNumber = 1)
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{
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QMetaObject::invokeMethod(m_engine, "evaluate", Qt::QueuedConnection,
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Q_ARG(QString, script), Q_ARG(QString, fileName),
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Q_ARG(int, lineNumber));
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waitForSignal(m_engine, SIGNAL(evaluateFinished()), /*timeout*/0);
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}
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TestEngine *m_engine;
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QV4::ExecutionEngine *m_v4;
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TestAgent *m_debuggerAgent;
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QThread *m_javaScriptThread;
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};
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void tst_qv4debugger::init()
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{
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m_javaScriptThread = new QThread;
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m_engine = new TestEngine;
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m_v4 = m_engine->v4Engine();
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m_v4->enableDebugger();
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m_engine->moveToThread(m_javaScriptThread);
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m_javaScriptThread->start();
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m_debuggerAgent = new TestAgent;
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m_debuggerAgent->addDebugger(m_v4->debugger);
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}
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void tst_qv4debugger::cleanup()
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{
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m_javaScriptThread->exit();
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waitForSignal(m_javaScriptThread, SIGNAL(finished()), /*timeout*/ 0);
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delete m_engine;
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delete m_javaScriptThread;
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m_engine = 0;
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m_v4 = 0;
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QCOMPARE(m_debuggerAgent->debuggerCount(), 0);
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delete m_debuggerAgent;
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m_debuggerAgent = 0;
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}
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void tst_qv4debugger::breakAnywhere()
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{
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QString script =
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"var i = 42;\n"
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"var j = i + 1\n"
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"var k = i\n";
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m_debuggerAgent->pause(m_v4->debugger);
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evaluateJavaScript(script, "testFile");
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QVERIFY(m_debuggerAgent->m_wasPaused);
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}
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void tst_qv4debugger::pendingBreakpoint()
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{
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QString script =
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"var i = 42;\n"
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"var j = i + 1\n"
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"var k = i\n";
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m_debuggerAgent->addBreakPoint(m_v4->debugger, "testfile", 2);
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evaluateJavaScript(script, "testfile");
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QVERIFY(m_debuggerAgent->m_wasPaused);
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QCOMPARE(m_debuggerAgent->m_statesWhenPaused.count(), 1);
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QV4::Debugging::Debugger::ExecutionState state = m_debuggerAgent->m_statesWhenPaused.first();
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QCOMPARE(state.fileName, QString("testfile"));
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QCOMPARE(state.lineNumber, 2);
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}
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void tst_qv4debugger::liveBreakPoint()
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{
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QString script =
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"var i = 42;\n"
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"var j = i + 1\n"
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"var k = i\n";
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m_debuggerAgent->m_breakPointsToAddWhenPaused << TestAgent::TestBreakPoint("liveBreakPoint", 3);
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m_debuggerAgent->pause(m_v4->debugger);
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evaluateJavaScript(script, "liveBreakPoint");
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QVERIFY(m_debuggerAgent->m_wasPaused);
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QCOMPARE(m_debuggerAgent->m_statesWhenPaused.count(), 2);
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QV4::Debugging::Debugger::ExecutionState state = m_debuggerAgent->m_statesWhenPaused.at(1);
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QCOMPARE(state.fileName, QString("liveBreakPoint"));
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QCOMPARE(state.lineNumber, 3);
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}
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void tst_qv4debugger::removePendingBreakPoint()
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{
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QString script =
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"var i = 42;\n"
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"var j = i + 1\n"
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"var k = i\n";
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m_debuggerAgent->addBreakPoint(m_v4->debugger, "removePendingBreakPoint", 2);
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m_debuggerAgent->removeBreakPoint(m_v4->debugger, "removePendingBreakPoint", 2);
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evaluateJavaScript(script, "removePendingBreakPoint");
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QVERIFY(!m_debuggerAgent->m_wasPaused);
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}
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void tst_qv4debugger::addBreakPointWhilePaused()
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{
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QString script =
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"var i = 42;\n"
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"var j = i + 1\n"
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"var k = i\n";
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m_debuggerAgent->addBreakPoint(m_v4->debugger, "addBreakPointWhilePaused", 1);
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m_debuggerAgent->m_breakPointsToAddWhenPaused << TestAgent::TestBreakPoint("addBreakPointWhilePaused", 2);
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evaluateJavaScript(script, "addBreakPointWhilePaused");
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QVERIFY(m_debuggerAgent->m_wasPaused);
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QCOMPARE(m_debuggerAgent->m_statesWhenPaused.count(), 2);
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QV4::Debugging::Debugger::ExecutionState state = m_debuggerAgent->m_statesWhenPaused.at(0);
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QCOMPARE(state.fileName, QString("addBreakPointWhilePaused"));
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QCOMPARE(state.lineNumber, 1);
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state = m_debuggerAgent->m_statesWhenPaused.at(1);
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QCOMPARE(state.fileName, QString("addBreakPointWhilePaused"));
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QCOMPARE(state.lineNumber, 2);
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}
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static QV4::Value someCall(QV4::SimpleCallContext *ctx)
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{
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ctx->engine->debugger->removeBreakPoint("removeBreakPointForNextInstruction", 2);
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return QV4::Value::undefinedValue();
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}
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void tst_qv4debugger::removeBreakPointForNextInstruction()
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{
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QString script =
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"someCall();\n"
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"var i = 42;";
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QMetaObject::invokeMethod(m_engine, "injectFunction", Qt::BlockingQueuedConnection,
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Q_ARG(QString, "someCall"), Q_ARG(TestEngine::InjectedFunction, someCall));
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m_debuggerAgent->addBreakPoint(m_v4->debugger, "removeBreakPointForNextInstruction", 2);
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evaluateJavaScript(script, "removeBreakPointForNextInstruction");
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QVERIFY(!m_debuggerAgent->m_wasPaused);
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}
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QTEST_MAIN(tst_qv4debugger)
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#include "tst_qv4debugger.moc"
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