testlib: add key sequence function

[ChangeLog][Qt Test] Added keySequence() function.

Task-number: QTBUG-53381
Change-Id: Ib7c3f966fe607f00475ae74aaf070cb988d00141
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>

src/testlib/qtestcase.qdoc

@@ -570,6 +570,15 @@
     \sa QTest::keyClicks()
 */
 
+/*! \fn void QTest::keySequence(QWidget *widget, const QKeySequence &keySequence)
+    \overload
+    \since 5.10
+
+    Simulates typing of \a keySequence into a \a widget.
+
+    \sa QTest::keyClick(), QTest::keyClicks()
+*/
+
 /*! \fn void QTest::keyClick(QWindow *window, Qt::Key key, Qt::KeyboardModifiers modifier = Qt::NoModifier, int delay=-1)
     \overload
     \since 5.0
@@ -606,6 +615,15 @@
     \sa QTest::keyClicks()
 */
 
+/*! \fn void QTest::keySequence(QWindow *window, const QKeySequence &keySequence)
+    \overload
+    \since 5.10
+
+    Simulates typing of \a keySequence into a \a window.
+
+    \sa QTest::keyClick(), QTest::keyClicks()
+*/
+
 /*! \fn void QTest::keyEvent(KeyAction action, QWidget *widget, Qt::Key key, Qt::KeyboardModifiers modifier = Qt::NoModifier, int delay=-1)
 
     Sends a Qt key event to \a widget with the given \a key and an associated \a action.

src/testlib/qtestkeyboard.h

@@ -54,6 +54,7 @@
 #include <QtGui/qguiapplication.h>
 #include <QtGui/qwindow.h>
 #include <QtGui/qevent.h>
+#include <QtGui/qkeysequence.h>
 
 #ifdef QT_WIDGETS_LIB
 #include <QtWidgets/qwidget.h>
@@ -165,6 +166,15 @@ namespace QTest
     Q_DECL_UNUSED inline static void keyPress(QWindow *window, Qt::Key key, Qt::KeyboardModifiers modifier = Qt::NoModifier, int delay=-1)
     { keyEvent(Press, window, key, modifier, delay); }
 
+    Q_DECL_UNUSED inline static void keySequence(QWindow *window, const QKeySequence &keySequence)
+    {
+        for (int i = 0; i < keySequence.count(); ++i) {
+            const Qt::Key key = Qt::Key(keySequence[i] & ~Qt::KeyboardModifierMask);
+            const Qt::KeyboardModifiers modifiers = Qt::KeyboardModifiers(keySequence[i] & Qt::KeyboardModifierMask);
+            keyClick(window, key, modifiers);
+        }
+    }
+
 #ifdef QT_WIDGETS_LIB
     static void simulateEvent(QWidget *widget, bool press, int code,
                               Qt::KeyboardModifiers modifier, QString text, bool repeat, int delay=-1)
@@ -294,6 +304,16 @@ namespace QTest
     { keyEvent(Release, widget, key, modifier, delay); }
     inline static void keyClick(QWidget *widget, Qt::Key key, Qt::KeyboardModifiers modifier = Qt::NoModifier, int delay=-1)
     { keyEvent(Click, widget, key, modifier, delay); }
+
+    inline static void keySequence(QWidget *widget, const QKeySequence &keySequence)
+    {
+        for (int i = 0; i < keySequence.count(); ++i) {
+            const Qt::Key key = Qt::Key(keySequence[i] & ~Qt::KeyboardModifierMask);
+            const Qt::KeyboardModifiers modifiers = Qt::KeyboardModifiers(keySequence[i] & Qt::KeyboardModifierMask);
+            keyClick(widget, key, modifiers);
+        }
+    }
+
 #endif // QT_WIDGETS_LIB
 
 }

tests/auto/widgets/kernel/qaction/tst_qaction.cpp

@@ -62,6 +62,7 @@ private slots:
     void task229128TriggeredSignalWithoutActiongroup();
     void task229128TriggeredSignalWhenInActiongroup();
     void repeat();
+    void keysequence(); // QTBUG-53381
 
 private:
     int m_lastEventType;
@@ -276,6 +277,40 @@ void tst_QAction::alternateShortcuts()
     QTest::keyClick(&testWidget, Qt::Key_A, Qt::ControlModifier);
 }
 
+void tst_QAction::keysequence()
+{
+    MyWidget testWidget(this);
+    testWidget.show();
+    QApplication::setActiveWindow(&testWidget);
+
+    {
+        QAction act(&testWidget);
+        testWidget.addAction(&act);
+
+        QKeySequence ks(QKeySequence::SelectAll);
+
+        act.setShortcut(ks);
+
+        QSignalSpy spy(&act, &QAction::triggered);
+
+        act.setAutoRepeat(true);
+        QTest::keySequence(&testWidget, ks);
+        QCoreApplication::processEvents();
+        QCOMPARE(spy.count(), 1); // act should have been triggered
+
+        act.setAutoRepeat(false);
+        QTest::keySequence(&testWidget, ks);
+        QCoreApplication::processEvents();
+        QCOMPARE(spy.count(), 2); //act should have been triggered a 2nd time
+
+        // end of the scope of the action, it will be destroyed and removed from widget
+        // This action should also unregister its shortcuts
+    }
+
+    // this tests a crash (if the action did not unregister its alternate shortcuts)
+    QTest::keyClick(&testWidget, Qt::Key_A, Qt::ControlModifier);
+}
+
 void tst_QAction::enabledVisibleInteraction()
 {
     MyWidget testWidget(this);