diff options
Diffstat (limited to 'tests/auto/integrationtests/qsharedpointer_and_qwidget/tst_qsharedpointer_and_qwidget.cpp')
-rw-r--r-- | tests/auto/integrationtests/qsharedpointer_and_qwidget/tst_qsharedpointer_and_qwidget.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/tests/auto/integrationtests/qsharedpointer_and_qwidget/tst_qsharedpointer_and_qwidget.cpp b/tests/auto/integrationtests/qsharedpointer_and_qwidget/tst_qsharedpointer_and_qwidget.cpp new file mode 100644 index 0000000000..90b71c517c --- /dev/null +++ b/tests/auto/integrationtests/qsharedpointer_and_qwidget/tst_qsharedpointer_and_qwidget.cpp @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets/QWidget> +#include <QtWidgets/QPushButton> +#include <QtTest/QtTest> + +QT_BEGIN_NAMESPACE +namespace QtSharedPointer { + Q_CORE_EXPORT void internalSafetyCheckCleanCheck(); +} +QT_END_NAMESPACE + +class tst_QSharedPointer_and_QWidget: public QObject +{ + Q_OBJECT +private slots: + void weak_externalDelete(); + void weak_parentDelete(); + void weak_parentDelete_setParent(); + + void strong_weak(); + + void strong_sharedptrDelete(); + +public slots: + void cleanup() { check(); } + +public: + inline void check() + { +#ifdef QT_BUILD_INTERNAL + QtSharedPointer::internalSafetyCheckCleanCheck(); +#endif + } +}; + +void tst_QSharedPointer_and_QWidget::weak_externalDelete() +{ + QWidget *w = new QWidget; + QWeakPointer<QWidget> ptr = w; + + QVERIFY(!ptr.isNull()); + + delete w; + QVERIFY(ptr.isNull()); +} + +void tst_QSharedPointer_and_QWidget::weak_parentDelete() +{ + QWidget *parent = new QWidget; + QWidget *w = new QWidget(parent); + QWeakPointer<QWidget> ptr = w; + + QVERIFY(!ptr.isNull()); + + delete parent; + QVERIFY(ptr.isNull()); +} + +void tst_QSharedPointer_and_QWidget::weak_parentDelete_setParent() +{ + QWidget *parent = new QWidget; + QWidget *w = new QWidget; + QWeakPointer<QWidget> ptr = w; + w->setParent(parent); + + QVERIFY(!ptr.isNull()); + + delete parent; + QVERIFY(ptr.isNull()); +} + +// -- mixed -- + +void tst_QSharedPointer_and_QWidget::strong_weak() +{ + QSharedPointer<QWidget> ptr(new QWidget); + QWeakPointer<QWidget> weak = ptr.data(); + QWeakPointer<QWidget> weak2 = ptr; + + QVERIFY(!weak.isNull()); + QVERIFY(!weak2.isNull()); + + ptr.clear(); // deletes + + QVERIFY(weak.isNull()); + QVERIFY(weak2.isNull()); +} + + +// ---- strong management ---- + +void tst_QSharedPointer_and_QWidget::strong_sharedptrDelete() +{ + QWidget *parent = new QWidget; + QSharedPointer<QWidget> ptr(new QWidget(parent)); + QWeakPointer<QWidget> weak = ptr; + QPointer<QWidget> check = ptr.data(); + + QVERIFY(!check.isNull()); + QVERIFY(!weak.isNull()); + + ptr.clear(); // deletes + + QVERIFY(check.isNull()); + QVERIFY(weak.isNull()); + + delete parent; // mustn't crash +} + +QTEST_MAIN(tst_QSharedPointer_and_QWidget) + +#include "tst_qsharedpointer_and_qwidget.moc" |