// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause //! [0] QCheckBox *box = ...; QSignalSpy spy(box, SIGNAL(clicked(bool))); // do something that triggers the signal box->animateClick(); QCOMPARE(spy.count(), 1); // make sure the signal was emitted exactly one time QList arguments = spy.takeFirst(); // take the first signal QVERIFY(arguments.at(0).toBool() == true); // verify the first argument //! [0] //! [1] QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int,QString,double))); myCustomObject->doSomething(); // trigger emission of the signal QList arguments = spy.takeFirst(); QVERIFY(arguments.at(0).typeId() == QMetaType::Int); QVERIFY(arguments.at(1).typeId() == QMetaType::QString); QVERIFY(arguments.at(2).typeId() == QMetaType::Double); //! [1] //! [2] qRegisterMetaType(); QSignalSpy spy(&model, SIGNAL(whatever(SomeStruct))); //! [2] //! [3] // get the first argument from the first received signal: SomeStruct result = qvariant_cast(spy.at(0).at(0)); //! [3] //! [4] QSignalSpy spy(myPushButton, SIGNAL(clicked(bool))); //! [4] //! [6] QSignalSpy spy(myPushButton, &QPushButton::clicked); //! [6] //! [7] QObject object; auto mo = object.metaObject(); auto signalIndex = mo->indexOfSignal("objectNameChanged(QString)"); auto signal = mo->method(signalIndex); QSignalSpy spy(&object, signal); object.setObjectName("A new object name"); QCOMPARE(spy.count(), 1); //! [7] //! [8] void tst_QWindow::writeMinMaxDimensionalProps_data() QTest::addColumn("propertyIndex"); // Collect all relevant properties static const auto mo = QWindow::staticMetaObject; for (int i = mo.propertyOffset(); i < mo.propertyCount(); ++i) { auto property = mo.property(i); // ...that have type int if (property.type() == QVariant::Int) { static const QRegularExpression re("^minimum|maximum"); const auto name = property.name(); // ...and start with "minimum" or "maximum" if (re.match(name).hasMatch()) { QTest::addRow("%s", name) << i; } } } } void tst_QWindow::writeMinMaxDimensionalProps() { QFETCH(int, propertyIndex); auto property = QWindow::staticMetaObject.property(propertyIndex); QVERIFY(property.isWritable()); QVERIFY(property.hasNotifySignal()); QWindow window; QSignalSpy spy(&window, property.notifySignal()); QVERIFY(property.write(&window, 42)); QCOMPARE(spy.count(), 1); } //! [8]