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/****************************************************************************
**
** Copyright (C) 2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sérgio Martins <sergio.martins@kdab.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtCore/QScopeGuard>
/*!
\class tst_QScopedGuard
\internal
\since 5.11
\brief Tests class QScopedCleanup and function qScopeGuard
*/
class tst_QScopedGuard : public QObject
{
Q_OBJECT
private Q_SLOTS:
void leavingScope();
void exceptions();
};
static int s_globalState = 0;
void tst_QScopedGuard::leavingScope()
{
auto cleanup = qScopeGuard([] { s_globalState++; QCOMPARE(s_globalState, 3); });
QCOMPARE(s_globalState, 0);
{
auto cleanup = qScopeGuard([] { s_globalState++; });
QCOMPARE(s_globalState, 0);
}
QCOMPARE(s_globalState, 1);
s_globalState++;
}
void tst_QScopedGuard::exceptions()
{
s_globalState = 0;
bool caught = false;
QT_TRY
{
auto cleanup = qScopeGuard([] { s_globalState++; });
QT_THROW(std::bad_alloc()); //if Qt compiled without exceptions this is noop
s_globalState = 100;
}
QT_CATCH(...)
{
caught = true;
QCOMPARE(s_globalState, 1);
}
QVERIFY((caught && s_globalState == 1) || (!caught && s_globalState == 101));
}
QTEST_MAIN(tst_QScopedGuard)
#include "tst_qscopeguard.moc"
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