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/****************************************************************************
**
** Copyright (C) 2013 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@woboq.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include "qobject.h"
class tst_QSignalBlocker : public QObject
{
Q_OBJECT
private slots:
void signalBlocking();
void moveAssignment();
};
void tst_QSignalBlocker::signalBlocking()
{
QObject o;
QVERIFY(!o.signalsBlocked());
{
QSignalBlocker blocker(&o);
QVERIFY(o.signalsBlocked());
o.blockSignals(false);
QVERIFY(!o.signalsBlocked());
o.blockSignals(true);
QVERIFY(o.signalsBlocked());
blocker.unblock();
QVERIFY(!o.signalsBlocked());
blocker.reblock();
QVERIFY(o.signalsBlocked());
}
QVERIFY(!o.signalsBlocked());
}
void tst_QSignalBlocker::moveAssignment()
{
#ifdef Q_COMPILER_RVALUE_REFS
QObject o1, o2;
// move-assignment: both block other objects
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
b = QSignalBlocker(&o2);
QVERIFY(!o1.signalsBlocked());
QVERIFY(o2.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: from inert other
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
b = QSignalBlocker(0);
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: to inert *this
{
QSignalBlocker b(0);
QVERIFY(!o1.signalsBlocked());
{
QSignalBlocker inner(&o1);
QVERIFY(o1.signalsBlocked());
b = std::move(inner);
}
QVERIFY(o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: both block the same object, neither is unblocked
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
{
b.unblock(); // make sure inner.m_blocked = false
QVERIFY(!o1.signalsBlocked());
QSignalBlocker inner(&o1);
QVERIFY(o1.signalsBlocked());
b.reblock();
QVERIFY(o1.signalsBlocked());
b = std::move(inner);
}
QVERIFY(o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: both block the same object, but *this is unblocked
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
b.unblock();
QVERIFY(!o1.signalsBlocked());
b = QSignalBlocker(&o1);
QVERIFY(o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: both block the same object, but other is unblocked
{
QSignalBlocker b(&o1);
{
QVERIFY(o1.signalsBlocked());
QSignalBlocker inner(&o1);
QVERIFY(o1.signalsBlocked());
inner.unblock();
QVERIFY(o1.signalsBlocked());
b = std::move(inner);
QVERIFY(!o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
#else
QSKIP("This compiler is not in C++11 mode or doesn't support move semantics");
#endif // Q_COMPILER_RVALUE_REFS
}
QTEST_MAIN(tst_QSignalBlocker)
#include "tst_qsignalblocker.moc"
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