663 lines
20 KiB
C++
663 lines
20 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** 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, Nokia gives you certain additional
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** rights. These rights are described in the Nokia 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 General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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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 <qtest.h>
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#include <QDebug>
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#include <QDeclarativeEngine>
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#include <QDeclarativeContext>
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#include <QDeclarativeComponent>
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#include <QDeclarativeExpression>
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#include <private/qdeclarativecontext_p.h>
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#include "../shared/util.h"
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inline QUrl TEST_FILE(const QString &filename)
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{
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return QUrl::fromLocalFile(TESTDATA(filename));
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}
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inline QUrl TEST_FILE(const char *filename)
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{
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return TEST_FILE(QLatin1String(filename));
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}
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class tst_qdeclarativecontext : public QObject
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{
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Q_OBJECT
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public:
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tst_qdeclarativecontext() {}
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private slots:
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void baseUrl();
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void resolvedUrl();
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void engineMethod();
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void parentContext();
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void setContextProperty();
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void setContextObject();
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void destruction();
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void idAsContextProperty();
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void readOnlyContexts();
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void nameForObject();
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void refreshExpressions();
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void refreshExpressionsCrash();
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void refreshExpressionsRootContext();
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void qtbug_22535();
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private:
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QDeclarativeEngine engine;
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};
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void tst_qdeclarativecontext::baseUrl()
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{
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QDeclarativeContext ctxt(&engine);
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QCOMPARE(ctxt.baseUrl(), QUrl());
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ctxt.setBaseUrl(QUrl("http://www.nokia.com/"));
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QCOMPARE(ctxt.baseUrl(), QUrl("http://www.nokia.com/"));
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}
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void tst_qdeclarativecontext::resolvedUrl()
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{
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// Relative to the component
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{
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QDeclarativeContext ctxt(&engine);
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ctxt.setBaseUrl(QUrl("http://www.nokia.com/"));
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QCOMPARE(ctxt.resolvedUrl(QUrl("main.qml")), QUrl("http://www.nokia.com/main.qml"));
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}
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// Relative to a parent
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{
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QDeclarativeContext ctxt(&engine);
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ctxt.setBaseUrl(QUrl("http://www.nokia.com/"));
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QDeclarativeContext ctxt2(&ctxt);
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QCOMPARE(ctxt2.resolvedUrl(QUrl("main2.qml")), QUrl("http://www.nokia.com/main2.qml"));
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}
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// Relative to the engine
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{
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QDeclarativeContext ctxt(&engine);
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QCOMPARE(ctxt.resolvedUrl(QUrl("main.qml")), engine.baseUrl().resolved(QUrl("main.qml")));
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}
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// Relative to a deleted parent
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{
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QDeclarativeContext *ctxt = new QDeclarativeContext(&engine);
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ctxt->setBaseUrl(QUrl("http://www.nokia.com/"));
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QDeclarativeContext ctxt2(ctxt);
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QCOMPARE(ctxt2.resolvedUrl(QUrl("main2.qml")), QUrl("http://www.nokia.com/main2.qml"));
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delete ctxt; ctxt = 0;
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QCOMPARE(ctxt2.resolvedUrl(QUrl("main2.qml")), QUrl());
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}
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// Absolute
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{
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QDeclarativeContext ctxt(&engine);
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QCOMPARE(ctxt.resolvedUrl(QUrl("http://www.nokia.com/main2.qml")), QUrl("http://www.nokia.com/main2.qml"));
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QCOMPARE(ctxt.resolvedUrl(QUrl("file:///main2.qml")), QUrl("file:///main2.qml"));
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}
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}
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void tst_qdeclarativecontext::engineMethod()
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{
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QDeclarativeEngine *engine = new QDeclarativeEngine;
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QDeclarativeContext ctxt(engine);
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QDeclarativeContext ctxt2(&ctxt);
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QDeclarativeContext ctxt3(&ctxt2);
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QDeclarativeContext ctxt4(&ctxt2);
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QCOMPARE(ctxt.engine(), engine);
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QCOMPARE(ctxt2.engine(), engine);
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QCOMPARE(ctxt3.engine(), engine);
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QCOMPARE(ctxt4.engine(), engine);
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delete engine; engine = 0;
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QCOMPARE(ctxt.engine(), engine);
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QCOMPARE(ctxt2.engine(), engine);
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QCOMPARE(ctxt3.engine(), engine);
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QCOMPARE(ctxt4.engine(), engine);
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}
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void tst_qdeclarativecontext::parentContext()
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{
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QDeclarativeEngine *engine = new QDeclarativeEngine;
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QCOMPARE(engine->rootContext()->parentContext(), (QDeclarativeContext *)0);
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QDeclarativeContext *ctxt = new QDeclarativeContext(engine);
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QDeclarativeContext *ctxt2 = new QDeclarativeContext(ctxt);
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QDeclarativeContext *ctxt3 = new QDeclarativeContext(ctxt2);
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QDeclarativeContext *ctxt4 = new QDeclarativeContext(ctxt2);
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QDeclarativeContext *ctxt5 = new QDeclarativeContext(ctxt);
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QDeclarativeContext *ctxt6 = new QDeclarativeContext(engine);
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QDeclarativeContext *ctxt7 = new QDeclarativeContext(engine->rootContext());
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QCOMPARE(ctxt->parentContext(), engine->rootContext());
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QCOMPARE(ctxt2->parentContext(), ctxt);
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QCOMPARE(ctxt3->parentContext(), ctxt2);
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QCOMPARE(ctxt4->parentContext(), ctxt2);
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QCOMPARE(ctxt5->parentContext(), ctxt);
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QCOMPARE(ctxt6->parentContext(), engine->rootContext());
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QCOMPARE(ctxt7->parentContext(), engine->rootContext());
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delete ctxt2; ctxt2 = 0;
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QCOMPARE(ctxt->parentContext(), engine->rootContext());
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QCOMPARE(ctxt3->parentContext(), (QDeclarativeContext *)0);
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QCOMPARE(ctxt4->parentContext(), (QDeclarativeContext *)0);
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QCOMPARE(ctxt5->parentContext(), ctxt);
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QCOMPARE(ctxt6->parentContext(), engine->rootContext());
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QCOMPARE(ctxt7->parentContext(), engine->rootContext());
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delete engine; engine = 0;
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QCOMPARE(ctxt->parentContext(), (QDeclarativeContext *)0);
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QCOMPARE(ctxt3->parentContext(), (QDeclarativeContext *)0);
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QCOMPARE(ctxt4->parentContext(), (QDeclarativeContext *)0);
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QCOMPARE(ctxt5->parentContext(), (QDeclarativeContext *)0);
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QCOMPARE(ctxt6->parentContext(), (QDeclarativeContext *)0);
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QCOMPARE(ctxt7->parentContext(), (QDeclarativeContext *)0);
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delete ctxt7;
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delete ctxt6;
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delete ctxt5;
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delete ctxt4;
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delete ctxt3;
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delete ctxt;
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}
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class TestObject : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(int a READ a NOTIFY aChanged)
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Q_PROPERTY(int b READ b NOTIFY bChanged)
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Q_PROPERTY(int c READ c NOTIFY cChanged)
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public:
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TestObject() : _a(10), _b(10), _c(10) {}
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int a() const { return _a; }
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void setA(int a) { _a = a; emit aChanged(); }
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int b() const { return _b; }
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void setB(int b) { _b = b; emit bChanged(); }
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int c() const { return _c; }
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void setC(int c) { _c = c; emit cChanged(); }
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signals:
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void aChanged();
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void bChanged();
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void cChanged();
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private:
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int _a;
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int _b;
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int _c;
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};
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#define TEST_CONTEXT_PROPERTY(ctxt, name, value) \
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{ \
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QDeclarativeComponent component(&engine); \
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component.setData("import QtQuick 1.0; QtObject { property variant test: " #name " }", QUrl()); \
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\
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QObject *obj = component.create(ctxt); \
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\
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QCOMPARE(obj->property("test"), value); \
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\
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delete obj; \
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}
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void tst_qdeclarativecontext::setContextProperty()
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{
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QDeclarativeContext ctxt(&engine);
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QDeclarativeContext ctxt2(&ctxt);
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TestObject obj1;
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obj1.setA(3345);
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TestObject obj2;
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obj2.setA(-19);
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// Static context properties
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ctxt.setContextProperty("a", QVariant(10));
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ctxt.setContextProperty("b", QVariant(9));
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ctxt2.setContextProperty("d", &obj2);
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ctxt2.setContextProperty("b", QVariant(19));
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ctxt2.setContextProperty("c", QVariant(QString("Hello World!")));
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ctxt.setContextProperty("d", &obj1);
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ctxt.setContextProperty("e", &obj1);
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TEST_CONTEXT_PROPERTY(&ctxt2, a, QVariant(10));
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TEST_CONTEXT_PROPERTY(&ctxt2, b, QVariant(19));
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TEST_CONTEXT_PROPERTY(&ctxt2, c, QVariant(QString("Hello World!")));
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TEST_CONTEXT_PROPERTY(&ctxt2, d.a, QVariant(-19));
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TEST_CONTEXT_PROPERTY(&ctxt2, e.a, QVariant(3345));
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ctxt.setContextProperty("a", QVariant(13));
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ctxt.setContextProperty("b", QVariant(4));
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ctxt2.setContextProperty("b", QVariant(8));
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ctxt2.setContextProperty("c", QVariant(QString("Hi World!")));
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ctxt2.setContextProperty("d", &obj1);
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obj1.setA(12);
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TEST_CONTEXT_PROPERTY(&ctxt2, a, QVariant(13));
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TEST_CONTEXT_PROPERTY(&ctxt2, b, QVariant(8));
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TEST_CONTEXT_PROPERTY(&ctxt2, c, QVariant(QString("Hi World!")));
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TEST_CONTEXT_PROPERTY(&ctxt2, d.a, QVariant(12));
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TEST_CONTEXT_PROPERTY(&ctxt2, e.a, QVariant(12));
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// Changes in context properties
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { property variant test: a }", QUrl());
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QObject *obj = component.create(&ctxt2);
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QCOMPARE(obj->property("test"), QVariant(13));
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ctxt.setContextProperty("a", QVariant(19));
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QCOMPARE(obj->property("test"), QVariant(19));
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delete obj;
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}
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { property variant test: b }", QUrl());
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QObject *obj = component.create(&ctxt2);
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QCOMPARE(obj->property("test"), QVariant(8));
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ctxt.setContextProperty("b", QVariant(5));
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QCOMPARE(obj->property("test"), QVariant(8));
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ctxt2.setContextProperty("b", QVariant(1912));
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QCOMPARE(obj->property("test"), QVariant(1912));
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delete obj;
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}
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { property variant test: e.a }", QUrl());
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QObject *obj = component.create(&ctxt2);
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QCOMPARE(obj->property("test"), QVariant(12));
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obj1.setA(13);
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QCOMPARE(obj->property("test"), QVariant(13));
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delete obj;
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}
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// New context properties
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { property variant test: a }", QUrl());
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QObject *obj = component.create(&ctxt2);
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QCOMPARE(obj->property("test"), QVariant(19));
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ctxt2.setContextProperty("a", QVariant(1945));
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QCOMPARE(obj->property("test"), QVariant(1945));
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delete obj;
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}
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// Setting an object-variant context property
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { id: root; property int a: 10; property int test: ctxtProp.a; property variant obj: root; }", QUrl());
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QDeclarativeContext ctxt(engine.rootContext());
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ctxt.setContextProperty("ctxtProp", QVariant());
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QTest::ignoreMessage(QtWarningMsg, "<Unknown File>:1: TypeError: Cannot read property 'a' of undefined");
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QObject *obj = component.create(&ctxt);
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QVariant v = obj->property("obj");
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ctxt.setContextProperty("ctxtProp", v);
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QCOMPARE(obj->property("test"), QVariant(10));
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delete obj;
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}
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}
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void tst_qdeclarativecontext::setContextObject()
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{
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QDeclarativeContext ctxt(&engine);
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TestObject to;
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to.setA(2);
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to.setB(192);
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to.setC(18);
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ctxt.setContextObject(&to);
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ctxt.setContextProperty("c", QVariant(9));
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// Static context properties
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TEST_CONTEXT_PROPERTY(&ctxt, a, QVariant(2));
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TEST_CONTEXT_PROPERTY(&ctxt, b, QVariant(192));
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TEST_CONTEXT_PROPERTY(&ctxt, c, QVariant(9));
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to.setA(12);
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to.setB(100);
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to.setC(7);
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ctxt.setContextProperty("c", QVariant(3));
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TEST_CONTEXT_PROPERTY(&ctxt, a, QVariant(12));
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TEST_CONTEXT_PROPERTY(&ctxt, b, QVariant(100));
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TEST_CONTEXT_PROPERTY(&ctxt, c, QVariant(3));
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// Changes in context properties
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { property variant test: a }", QUrl());
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QObject *obj = component.create(&ctxt);
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QCOMPARE(obj->property("test"), QVariant(12));
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to.setA(14);
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QCOMPARE(obj->property("test"), QVariant(14));
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delete obj;
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}
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}
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void tst_qdeclarativecontext::destruction()
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{
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QDeclarativeContext *ctxt = new QDeclarativeContext(&engine);
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QObject obj;
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QDeclarativeEngine::setContextForObject(&obj, ctxt);
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QDeclarativeExpression expr(ctxt, 0, "a");
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QCOMPARE(ctxt, QDeclarativeEngine::contextForObject(&obj));
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QCOMPARE(ctxt, expr.context());
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delete ctxt; ctxt = 0;
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QCOMPARE(ctxt, QDeclarativeEngine::contextForObject(&obj));
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QCOMPARE(ctxt, expr.context());
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}
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void tst_qdeclarativecontext::idAsContextProperty()
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { property variant a; a: QtObject { id: myObject } }", QUrl());
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QObject *obj = component.create();
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QVERIFY(obj);
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QVariant a = obj->property("a");
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QVERIFY(a.userType() == QMetaType::QObjectStar);
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QVariant ctxt = qmlContext(obj)->contextProperty("myObject");
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QVERIFY(ctxt.userType() == QMetaType::QObjectStar);
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QVERIFY(a == ctxt);
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delete obj;
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}
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// Internal contexts should be read-only
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void tst_qdeclarativecontext::readOnlyContexts()
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{
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { id: me }", QUrl());
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QObject *obj = component.create();
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QVERIFY(obj);
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QDeclarativeContext *context = qmlContext(obj);
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QVERIFY(context);
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QVERIFY(qvariant_cast<QObject*>(context->contextProperty("me")) == obj);
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QVERIFY(context->contextObject() == obj);
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QTest::ignoreMessage(QtWarningMsg, "QDeclarativeContext: Cannot set property on internal context.");
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context->setContextProperty("hello", 12);
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QVERIFY(context->contextProperty("hello") == QVariant());
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QTest::ignoreMessage(QtWarningMsg, "QDeclarativeContext: Cannot set property on internal context.");
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context->setContextProperty("hello", obj);
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QVERIFY(context->contextProperty("hello") == QVariant());
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QTest::ignoreMessage(QtWarningMsg, "QDeclarativeContext: Cannot set context object for internal context.");
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context->setContextObject(0);
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QVERIFY(context->contextObject() == obj);
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delete obj;
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}
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void tst_qdeclarativecontext::nameForObject()
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{
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QObject o1;
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QObject o2;
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QObject o3;
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QDeclarativeEngine engine;
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// As a context property
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engine.rootContext()->setContextProperty("o1", &o1);
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engine.rootContext()->setContextProperty("o2", &o2);
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engine.rootContext()->setContextProperty("o1_2", &o1);
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QCOMPARE(engine.rootContext()->nameForObject(&o1), QString("o1"));
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QCOMPARE(engine.rootContext()->nameForObject(&o2), QString("o2"));
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QCOMPARE(engine.rootContext()->nameForObject(&o3), QString());
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// As an id
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QDeclarativeComponent component(&engine);
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component.setData("import QtQuick 1.0; QtObject { id: root; property QtObject o: QtObject { id: nested } }", QUrl());
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QObject *o = component.create();
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QVERIFY(o != 0);
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QCOMPARE(qmlContext(o)->nameForObject(o), QString("root"));
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QCOMPARE(qmlContext(o)->nameForObject(qvariant_cast<QObject*>(o->property("o"))), QString("nested"));
|
|
QCOMPARE(qmlContext(o)->nameForObject(&o1), QString());
|
|
|
|
delete o;
|
|
}
|
|
|
|
class DeleteCommand : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
DeleteCommand() : object(0) {}
|
|
|
|
QObject *object;
|
|
|
|
public slots:
|
|
void doCommand() { if (object) delete object; object = 0; }
|
|
};
|
|
|
|
// Calling refresh expressions would crash if an expression or context was deleted during
|
|
// the refreshing
|
|
void tst_qdeclarativecontext::refreshExpressionsCrash()
|
|
{
|
|
{
|
|
QDeclarativeEngine engine;
|
|
|
|
DeleteCommand command;
|
|
engine.rootContext()->setContextProperty("deleteCommand", &command);
|
|
// We use a fresh context here to bypass any root-context optimizations in
|
|
// the engine
|
|
QDeclarativeContext ctxt(engine.rootContext());
|
|
|
|
QDeclarativeComponent component(&engine);
|
|
component.setData("import QtQuick 2.0; QtObject { property var binding: deleteCommand.doCommand() }", QUrl());
|
|
QVERIFY(component.isReady());
|
|
|
|
QObject *o1 = component.create(&ctxt);
|
|
QObject *o2 = component.create(&ctxt);
|
|
|
|
command.object = o2;
|
|
|
|
QDeclarativeContextData::get(&ctxt)->refreshExpressions();
|
|
|
|
delete o1;
|
|
}
|
|
{
|
|
QDeclarativeEngine engine;
|
|
|
|
DeleteCommand command;
|
|
engine.rootContext()->setContextProperty("deleteCommand", &command);
|
|
// We use a fresh context here to bypass any root-context optimizations in
|
|
// the engine
|
|
QDeclarativeContext ctxt(engine.rootContext());
|
|
|
|
QDeclarativeComponent component(&engine);
|
|
component.setData("import QtQuick 2.0; QtObject { property var binding: deleteCommand.doCommand() }", QUrl());
|
|
QVERIFY(component.isReady());
|
|
|
|
QObject *o1 = component.create(&ctxt);
|
|
QObject *o2 = component.create(&ctxt);
|
|
|
|
command.object = o1;
|
|
|
|
QDeclarativeContextData::get(&ctxt)->refreshExpressions();
|
|
|
|
delete o2;
|
|
}
|
|
}
|
|
|
|
class CountCommand : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
CountCommand() : count(0) {}
|
|
|
|
int count;
|
|
|
|
public slots:
|
|
void doCommand() { ++count; }
|
|
};
|
|
|
|
|
|
// Test that calling refresh expressions causes all the expressions to refresh
|
|
void tst_qdeclarativecontext::refreshExpressions()
|
|
{
|
|
QDeclarativeEngine engine;
|
|
QDeclarativeComponent component(&engine, TEST_FILE("refreshExpressions.qml"));
|
|
QDeclarativeComponent component2(&engine, TEST_FILE("RefreshExpressionsType.qml"));
|
|
|
|
CountCommand command;
|
|
engine.rootContext()->setContextProperty("countCommand", &command);
|
|
|
|
// We use a fresh context here to bypass any root-context optimizations in
|
|
// the engine
|
|
QDeclarativeContext context(engine.rootContext());
|
|
QDeclarativeContext context2(&context);
|
|
|
|
QObject *o1 = component.create(&context);
|
|
QObject *o2 = component.create(&context2);
|
|
QObject *o3 = component2.create(&context);
|
|
|
|
QCOMPARE(command.count, 5);
|
|
|
|
QDeclarativeContextData::get(&context)->refreshExpressions();
|
|
|
|
QCOMPARE(command.count, 10);
|
|
|
|
delete o3;
|
|
delete o2;
|
|
delete o1;
|
|
}
|
|
|
|
// Test that updating the root context, only causes expressions in contexts with an
|
|
// unresolved name to reevaluate
|
|
void tst_qdeclarativecontext::refreshExpressionsRootContext()
|
|
{
|
|
QDeclarativeEngine engine;
|
|
|
|
CountCommand command;
|
|
engine.rootContext()->setContextProperty("countCommand", &command);
|
|
|
|
QDeclarativeComponent component(&engine, TEST_FILE("refreshExpressions.qml"));
|
|
QDeclarativeComponent component2(&engine, TEST_FILE("refreshExpressionsRootContext.qml"));
|
|
|
|
QDeclarativeContext context(engine.rootContext());
|
|
QDeclarativeContext context2(engine.rootContext());
|
|
|
|
QString warning = component2.url().toString() + QLatin1String(":4: ReferenceError: Can't find variable: unresolvedName");
|
|
|
|
QObject *o1 = component.create(&context);
|
|
|
|
QTest::ignoreMessage(QtWarningMsg, qPrintable(warning));
|
|
QObject *o2 = component2.create(&context2);
|
|
|
|
QCOMPARE(command.count, 3);
|
|
|
|
QTest::ignoreMessage(QtWarningMsg, qPrintable(warning));
|
|
QDeclarativeContextData::get(engine.rootContext())->refreshExpressions();
|
|
|
|
QCOMPARE(command.count, 4);
|
|
|
|
delete o2;
|
|
delete o1;
|
|
}
|
|
|
|
void tst_qdeclarativecontext::qtbug_22535()
|
|
{
|
|
QDeclarativeEngine engine;
|
|
QDeclarativeComponent component(&engine, TEST_FILE("qtbug_22535.qml"));
|
|
QDeclarativeContext context(engine.rootContext());
|
|
|
|
QObject *o = component.create(&context);
|
|
|
|
// Don't crash!
|
|
delete o;
|
|
}
|
|
|
|
QTEST_MAIN(tst_qdeclarativecontext)
|
|
|
|
#include "tst_qdeclarativecontext.moc"
|