diff options
Diffstat (limited to 'tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp')
-rw-r--r-- | tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp b/tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp new file mode 100644 index 0000000000..f95d48f042 --- /dev/null +++ b/tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** 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([&caught] { 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" |