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Diffstat (limited to 'tests/auto/corelib/kernel/qsignalblocker/tst_qsignalblocker.cpp')
| -rw-r--r-- | tests/auto/corelib/kernel/qsignalblocker/tst_qsignalblocker.cpp | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/tests/auto/corelib/kernel/qsignalblocker/tst_qsignalblocker.cpp b/tests/auto/corelib/kernel/qsignalblocker/tst_qsignalblocker.cpp new file mode 100644 index 0000000000..1f71692ffe --- /dev/null +++ b/tests/auto/corelib/kernel/qsignalblocker/tst_qsignalblocker.cpp @@ -0,0 +1,305 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 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, 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. +** +** 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtTest/QtTest> + +#include "qobject.h" + +class tst_QSignalBlocker : public QObject +{ + Q_OBJECT +private slots: + void signalBlocking(); + void signalBlockingMoveAssignment(); +}; + +class SenderObject : public QObject +{ + Q_OBJECT + +public: + SenderObject() : aPublicSlotCalled(0), recursionCount(0) {} + + void emitSignal1AfterRecursion() + { + if (recursionCount++ < 100) + emitSignal1AfterRecursion(); + else + emitSignal1(); + } + + void emitSignal1() { emit signal1(); } + void emitSignal2() { emit signal2(); } + void emitSignal3() { emit signal3(); } + void emitSignal4() { emit signal4(); } + +signals: + void signal1(); + void signal2(); + void signal3(); + void signal4(); + QT_MOC_COMPAT void signal5(); + void signal6(void); + void signal7(int, const QString &); + +public slots: + void aPublicSlot() { aPublicSlotCalled++; } + +public: + Q_INVOKABLE void invoke1(){} + Q_SCRIPTABLE void sinvoke1(){} + int aPublicSlotCalled; +protected: + Q_INVOKABLE QT_MOC_COMPAT void invoke2(){} + Q_INVOKABLE QT_MOC_COMPAT void invoke2(int){} + Q_SCRIPTABLE QT_MOC_COMPAT void sinvoke2(){} +private: + Q_INVOKABLE void invoke3(int hinz = 0, int kunz = 0){Q_UNUSED(hinz) Q_UNUSED(kunz)} + Q_SCRIPTABLE void sinvoke3(){} + + int recursionCount; +}; + +class ReceiverObject : public QObject +{ + Q_OBJECT + +public: + ReceiverObject() + : sequence_slot1( 0 ) + , sequence_slot2( 0 ) + , sequence_slot3( 0 ) + , sequence_slot4( 0 ) + {} + + void reset() + { + sequence_slot4 = 0; + sequence_slot3 = 0; + sequence_slot2 = 0; + sequence_slot1 = 0; + count_slot1 = 0; + count_slot2 = 0; + count_slot3 = 0; + count_slot4 = 0; + } + + int sequence_slot1; + int sequence_slot2; + int sequence_slot3; + int sequence_slot4; + int count_slot1; + int count_slot2; + int count_slot3; + int count_slot4; + + bool called(int slot) + { + switch (slot) { + case 1: return sequence_slot1; + case 2: return sequence_slot2; + case 3: return sequence_slot3; + case 4: return sequence_slot4; + default: return false; + } + } + + static int sequence; + +public slots: + void slot1() { sequence_slot1 = ++sequence; count_slot1++; } + void slot2() { sequence_slot2 = ++sequence; count_slot2++; } + void slot3() { sequence_slot3 = ++sequence; count_slot3++; } + void slot4() { sequence_slot4 = ++sequence; count_slot4++; } + +}; + +int ReceiverObject::sequence = 0; + +void tst_QSignalBlocker::signalBlocking() +{ + SenderObject sender; + ReceiverObject receiver; + + receiver.connect(&sender, SIGNAL(signal1()), SLOT(slot1())); + + sender.emitSignal1(); + QVERIFY(receiver.called(1)); + receiver.reset(); + + { + QSignalBlocker blocker(&sender); + + sender.emitSignal1(); + QVERIFY(!receiver.called(1)); + receiver.reset(); + + sender.blockSignals(false); + + sender.emitSignal1(); + QVERIFY(receiver.called(1)); + receiver.reset(); + + sender.blockSignals(true); + + sender.emitSignal1(); + QVERIFY(!receiver.called(1)); + receiver.reset(); + + blocker.unblock(); + + sender.emitSignal1(); + QVERIFY(receiver.called(1)); + receiver.reset(); + + blocker.reblock(); + + sender.emitSignal1(); + QVERIFY(!receiver.called(1)); + receiver.reset(); + } + + sender.emitSignal1(); + QVERIFY(receiver.called(1)); + receiver.reset(); +} + +void tst_QSignalBlocker::signalBlockingMoveAssignment() +{ +#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" |