diff options
Diffstat (limited to 'tests/auto/widgets/widgets/qtoolbar/tst_qtoolbar.cpp')
-rw-r--r-- | tests/auto/widgets/widgets/qtoolbar/tst_qtoolbar.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/tests/auto/widgets/widgets/qtoolbar/tst_qtoolbar.cpp b/tests/auto/widgets/widgets/qtoolbar/tst_qtoolbar.cpp index 301801ed2e..d6c165642e 100644 --- a/tests/auto/widgets/widgets/qtoolbar/tst_qtoolbar.cpp +++ b/tests/auto/widgets/widgets/qtoolbar/tst_qtoolbar.cpp @@ -42,6 +42,7 @@ #include <qlineedit.h> #include <qkeysequence.h> #include <qmenu.h> +#include <qlabel.h> #include <private/qtoolbarextension_p.h> QT_FORWARD_DECLARE_CLASS(QAction) @@ -80,6 +81,8 @@ private slots: void task191727_layout(); void task197996_visibility(); + + void extraCpuConsumption(); // QTBUG-54676 }; @@ -1098,5 +1101,81 @@ void tst_QToolBar::task197996_visibility() QTRY_VERIFY(toolBar->widgetForAction(pAction)->isVisible()); } +class ShowHideEventCounter : public QObject +{ +public: + using QObject::QObject; + + bool eventFilter(QObject *watched, QEvent *event) override + { + if (qobject_cast<QLineEdit*>(watched) && !event->spontaneous()) { + if (event->type() == QEvent::Show) + ++m_showEventsCount; + + if (event->type() == QEvent::Hide) + ++m_hideEventsCount; + } + + return QObject::eventFilter(watched, event); + } + + uint showEventsCount() const { return m_showEventsCount; } + uint hideEventsCount() const { return m_hideEventsCount; } + +private: + uint m_showEventsCount = 0; + uint m_hideEventsCount = 0; +}; + +void tst_QToolBar::extraCpuConsumption() +{ + QMainWindow mainWindow; + + auto tb = new QToolBar(&mainWindow); + tb->setMovable(false); + + auto extensions = tb->findChildren<QToolBarExtension *>(); + QVERIFY(!extensions.isEmpty()); + + auto extensionButton = extensions.at(0); + QVERIFY(extensionButton); + + tb->addWidget(new QLabel("Lorem ipsum dolor sit amet")); + + auto le = new QLineEdit; + le->setClearButtonEnabled(true); + le->setText("Lorem ipsum"); + tb->addWidget(le); + + mainWindow.addToolBar(tb); + mainWindow.show(); + QVERIFY(QTest::qWaitForWindowActive(&mainWindow)); + + auto eventCounter = new ShowHideEventCounter(&mainWindow); + le->installEventFilter(eventCounter); + + auto defaultSize = mainWindow.size(); + + // Line edit should be hidden now and extension button should be displayed + for (double p = 0.7; extensionButton->isHidden() || qFuzzyCompare(p, 0.); p -= 0.01) { + mainWindow.resize(int(defaultSize.width() * p), defaultSize.height()); + } + QVERIFY(!extensionButton->isHidden()); + + // Line edit should be visible, but smaller + for (double p = 0.75; !extensionButton->isHidden() || qFuzzyCompare(p, 1.); p += 0.01) { + mainWindow.resize(int(defaultSize.width() * p), defaultSize.height()); + } + QVERIFY(extensionButton->isHidden()); + + // Dispatch all pending events + qApp->sendPostedEvents(); + qApp->processEvents(); + + QCOMPARE(eventCounter->showEventsCount(), eventCounter->hideEventsCount()); + QCOMPARE(eventCounter->showEventsCount(), uint(1)); + QCOMPARE(eventCounter->hideEventsCount(), uint(1)); +} + QTEST_MAIN(tst_QToolBar) #include "tst_qtoolbar.moc" |