qt-everywhere-src-5.15.1/qtquickcontrols2/tests/auto/qquickcontrol/tst_qquickcontrol.cpp

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#include <QtTest/qtest.h>
#include <QtTest/qsignalspy.h>
#include "../shared/util.h"
#include "../shared/visualtestutil.h"
#include "../shared/qtest_quickcontrols.h"
#include <QtGui/qpa/qwindowsysteminterface.h>
#include <QtQuickTemplates2/private/qquickbutton_p.h>

using namespace QQuickVisualTestUtil;

class tst_QQuickControl : public QQmlDataTest
{
    Q_OBJECT

private slots:
    void initTestCase();
    void flickable();

private:
    struct TouchDeviceDeleter
    {
        static inline void cleanup(QTouchDevice *device)
        {
            QWindowSystemInterface::unregisterTouchDevice(device);
            delete device;
        }
    };

    QScopedPointer<QTouchDevice, TouchDeviceDeleter> touchDevice;
};


void tst_QQuickControl::initTestCase()
{
    QQmlDataTest::initTestCase();
    qputenv("QML_NO_TOUCH_COMPRESSION", "1");

    touchDevice.reset(new QTouchDevice);
    touchDevice->setType(QTouchDevice::TouchScreen);
    QWindowSystemInterface::registerTouchDevice(touchDevice.data());
}

void tst_QQuickControl::flickable()
{
    // Check that when a Button that is inside a Flickable with a pressDelay
    // still gets the released and clicked signals sent due to the fact that
    // Flickable sends a mouse event for the delay and not a touch event
    QQuickApplicationHelper helper(this, QStringLiteral("flickable.qml"));
    QQuickWindow *window = helper.window;
    window->show();
    QVERIFY(QTest::qWaitForWindowExposed(window));

    QQuickButton *button = window->property("button").value<QQuickButton *>();
    QVERIFY(button);

    QSignalSpy buttonPressedSpy(button, SIGNAL(pressed()));
    QVERIFY(buttonPressedSpy.isValid());

    QSignalSpy buttonReleasedSpy(button, SIGNAL(released()));
    QVERIFY(buttonReleasedSpy.isValid());

    QSignalSpy buttonClickedSpy(button, SIGNAL(clicked()));
    QVERIFY(buttonClickedSpy.isValid());

    QTest::touchEvent(window, touchDevice.data()).press(0, QPoint(button->width() / 2, button->height() / 2));
    QTRY_COMPARE(buttonPressedSpy.count(), 1);
    QTest::touchEvent(window, touchDevice.data()).release(0, QPoint(button->width() / 2, button->height() / 2));
    QTRY_COMPARE(buttonReleasedSpy.count(), 1);
    QTRY_COMPARE(buttonClickedSpy.count(), 1);
}

QTEST_QUICKCONTROLS_MAIN(tst_QQuickControl)

#include "tst_qquickcontrol.moc"