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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /tests/auto/qpointer | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'tests/auto/qpointer')
-rw-r--r-- | tests/auto/qpointer/.gitignore | 1 | ||||
-rw-r--r-- | tests/auto/qpointer/qpointer.pro | 4 | ||||
-rw-r--r-- | tests/auto/qpointer/tst_qpointer.cpp | 349 |
3 files changed, 354 insertions, 0 deletions
diff --git a/tests/auto/qpointer/.gitignore b/tests/auto/qpointer/.gitignore new file mode 100644 index 0000000..ce97ab7 --- /dev/null +++ b/tests/auto/qpointer/.gitignore @@ -0,0 +1 @@ +tst_qpointer diff --git a/tests/auto/qpointer/qpointer.pro b/tests/auto/qpointer/qpointer.pro new file mode 100644 index 0000000..a30a6fa --- /dev/null +++ b/tests/auto/qpointer/qpointer.pro @@ -0,0 +1,4 @@ +load(qttest_p4) +SOURCES += tst_qpointer.cpp + + diff --git a/tests/auto/qpointer/tst_qpointer.cpp b/tests/auto/qpointer/tst_qpointer.cpp new file mode 100644 index 0000000..3f87ad7 --- /dev/null +++ b/tests/auto/qpointer/tst_qpointer.cpp @@ -0,0 +1,349 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <QtTest/QtTest> + +#include <QApplication> +#include <QDebug> +#include <QPointer> +#include <QWidget> + +class tst_QPointer : public QObject +{ + Q_OBJECT +public: + tst_QPointer(); + ~tst_QPointer(); + + inline tst_QPointer *me() const + { return const_cast<tst_QPointer *>(this); } + +public slots: + void initTestCase(); + void cleanupTestCase(); + void init(); + void cleanup(); +private slots: + void constructors(); + void destructor(); + void assignment_operators(); + void equality_operators(); + void isNull(); + void dereference_operators(); + void disconnect(); + void castDuringDestruction(); + void data() const; + void dataSignature() const; +}; + +tst_QPointer::tst_QPointer() +{ } + +tst_QPointer::~tst_QPointer() +{ } + +void tst_QPointer::initTestCase() +{ } + +void tst_QPointer::cleanupTestCase() +{ } + +void tst_QPointer::init() +{ } + +void tst_QPointer::cleanup() +{ } + +void tst_QPointer::constructors() +{ + QPointer<QObject> p1; + QPointer<QObject> p2(this); + QPointer<QObject> p3(p2); + QCOMPARE(p1, QPointer<QObject>(0)); + QCOMPARE(p2, QPointer<QObject>(this)); + QCOMPARE(p3, QPointer<QObject>(this)); +} + +void tst_QPointer::destructor() +{ + QObject *object = new QObject; + QPointer<QObject> p = object; + QCOMPARE(p, QPointer<QObject>(object)); + delete object; + QCOMPARE(p, QPointer<QObject>(0)); +} + +void tst_QPointer::assignment_operators() +{ + QPointer<QObject> p1; + QPointer<QObject> p2; + + p1 = this; + p2 = p1; + + QCOMPARE(p1, QPointer<QObject>(this)); + QCOMPARE(p2, QPointer<QObject>(this)); + QCOMPARE(p1, QPointer<QObject>(p2)); + + p1 = 0; + p2 = p1; + QCOMPARE(p1, QPointer<QObject>(0)); + QCOMPARE(p2, QPointer<QObject>(0)); + QCOMPARE(p1, QPointer<QObject>(p2)); + + QObject *object = new QObject; + + p1 = object; + p2 = p1; + QCOMPARE(p1, QPointer<QObject>(object)); + QCOMPARE(p2, QPointer<QObject>(object)); + QCOMPARE(p1, QPointer<QObject>(p2)); + + delete object; + QCOMPARE(p1, QPointer<QObject>(0)); + QCOMPARE(p2, QPointer<QObject>(0)); + QCOMPARE(p1, QPointer<QObject>(p2)); +} + +void tst_QPointer::equality_operators() +{ + QPointer<QObject> p1; + QPointer<QObject> p2; + + QVERIFY(p1 == p2); + + QObject *object = 0; + QWidget *widget = 0; + + p1 = object; + QVERIFY(p1 == p2); + QVERIFY(p1 == object); + p2 = object; + QVERIFY(p2 == p1); + QVERIFY(p2 == object); + + p1 = this; + QVERIFY(p1 != p2); + p2 = p1; + QVERIFY(p1 == p2); + + // compare to zero + p1 = 0; + QVERIFY(p1 == 0); + QVERIFY(0 == p1); + QVERIFY(p2 != 0); + QVERIFY(0 != p2); + QVERIFY(p1 == object); + QVERIFY(object == p1); + QVERIFY(p2 != object); + QVERIFY(object != p2); + QVERIFY(p1 == widget); + QVERIFY(widget == p1); + QVERIFY(p2 != widget); + QVERIFY(widget != p2); +} + +void tst_QPointer::isNull() +{ + QPointer<QObject> p1; + QVERIFY(p1.isNull()); + p1 = this; + QVERIFY(!p1.isNull()); + p1 = 0; + QVERIFY(p1.isNull()); +} + +void tst_QPointer::dereference_operators() +{ + QPointer<tst_QPointer> p1 = this; + + QObject *object = p1->me(); + QVERIFY(object == this); + + QObject &ref = *p1; + QVERIFY(&ref == this); + + object = static_cast<QObject *>(p1); + QVERIFY(object == this); +} + +void tst_QPointer::disconnect() +{ + QPointer<QObject> p1 = new QObject; + QVERIFY(!p1.isNull()); + p1->disconnect(); + QVERIFY(!p1.isNull()); + delete static_cast<QObject *>(p1); + QVERIFY(p1.isNull()); +} + +class ChildObject : public QObject +{ + QPointer<QObject> guardedPointer; + +public: + ChildObject(QObject *parent) + : QObject(parent), guardedPointer(parent) + { } + ~ChildObject(); +}; + +ChildObject::~ChildObject() +{ + QCOMPARE(static_cast<QObject *>(guardedPointer), static_cast<QObject *>(0)); + QCOMPARE(qobject_cast<QObject *>(guardedPointer), static_cast<QObject *>(0)); +} + +class ChildWidget : public QWidget +{ + QPointer<QWidget> guardedPointer; + +public: + ChildWidget(QWidget *parent) + : QWidget(parent), guardedPointer(parent) + { } + ~ChildWidget(); +}; + +ChildWidget::~ChildWidget() +{ + QCOMPARE(static_cast<QWidget *>(guardedPointer), static_cast<QWidget *>(0)); + QCOMPARE(qobject_cast<QWidget *>(guardedPointer), static_cast<QWidget *>(0)); +} + +class DerivedChild; + +class DerivedParent : public QObject +{ + Q_OBJECT + + DerivedChild *derivedChild; + +public: + DerivedParent(); + ~DerivedParent(); +}; + +class DerivedChild : public QObject +{ + Q_OBJECT + + DerivedParent *parentPointer; + QPointer<DerivedParent> guardedParentPointer; + +public: + DerivedChild(DerivedParent *parent) + : QObject(parent), parentPointer(parent), guardedParentPointer(parent) + { } + ~DerivedChild(); +}; + +DerivedParent::DerivedParent() + : QObject() +{ + derivedChild = new DerivedChild(this); +} + +DerivedParent::~DerivedParent() +{ + delete derivedChild; +} + +DerivedChild::~DerivedChild() +{ + QCOMPARE(static_cast<DerivedParent *>(guardedParentPointer), parentPointer); + QCOMPARE(qobject_cast<DerivedParent *>(guardedParentPointer), parentPointer); +} + +void tst_QPointer::castDuringDestruction() +{ + { + QObject *parentObject = new QObject(); + (void) new ChildObject(parentObject); + delete parentObject; + } + + { + QWidget *parentWidget = new QWidget(); + (void) new ChildWidget(parentWidget); + delete parentWidget; + } + + { + delete new DerivedParent(); + } +} + +void tst_QPointer::data() const +{ + /* Check value of a default constructed object. */ + { + QPointer<QObject> p; + QCOMPARE(p.data(), static_cast<QObject *>(0)); + } + + /* Check value of a default constructed object. */ + { + QObject *const object = new QObject(); + QPointer<QObject> p(object); + QCOMPARE(p.data(), object); + } +} + +void tst_QPointer::dataSignature() const +{ + /* data() should be const. */ + { + const QPointer<QObject> p; + p.data(); + } + + /* The return type should be T. */ + { + const QPointer<QWidget> p; + /* If the types differs, the QCOMPARE will fail to instansiate. */ + QCOMPARE(p.data(), static_cast<QWidget *>(0)); + } +} + +QTEST_MAIN(tst_QPointer) +#include "tst_qpointer.moc" |