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// Copyright (C) 2013 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@woboq.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#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()
{
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());
}
QTEST_MAIN(tst_QSignalBlocker)
#include "tst_qsignalblocker.moc"
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