void tst_QDockWidget::setFloating() { const QRect deskRect = QApplication::desktop()->availableGeometry(); QMainWindow mw; mw.move(deskRect.left() + deskRect.width() * 2 / 3, deskRect.top() + deskRect.height() / 3); QDockWidget dw; mw.addDockWidget(Qt::LeftDockWidgetArea, &dw); mw.show(); QVERIFY(QTest::qWaitForWindowExposed(&mw)); QVERIFY(!dw.isFloating()); const QPoint dockedPosition = dw.mapToGlobal(dw.pos()); QSignalSpy spy(&dw, SIGNAL(topLevelChanged(bool))); dw.setFloating(true); const QPoint floatingPosition = dw.pos(); // QTBUG-31044, show approximately at old position, give or take window frame. QVERIFY((dockedPosition - floatingPosition).manhattanLength() < 50); QVERIFY(dw.isFloating()); QCOMPARE(spy.count(), 1); QCOMPARE(spy.at(0).value(0).toBool(), dw.isFloating()); spy.clear(); dw.setFloating(dw.isFloating()); QCOMPARE(spy.count(), 0); spy.clear(); dw.setFloating(false); QVERIFY(!dw.isFloating()); QCOMPARE(spy.count(), 1); QCOMPARE(spy.at(0).value(0).toBool(), dw.isFloating()); spy.clear(); dw.setFloating(dw.isFloating()); QCOMPARE(spy.count(), 0); spy.clear(); }