1 files changed, 24 insertions, 0 deletions
diff --git a/tests/auto/widgets/widgets/qopenglwidget/tst_qopenglwidget.cpp b/tests/auto/widgets/widgets/qopenglwidget/tst_qopenglwidget.cpp
index ade70b0eec..0c0c50ac64 100644
--- a/tests/auto/widgets/widgets/qopenglwidget/tst_qopenglwidget.cpp
+++ b/tests/auto/widgets/widgets/qopenglwidget/tst_qopenglwidget.cpp
@@ -55,6 +55,7 @@ private slots:
     void reparentToAlreadyCreated();
     void reparentToNotYetCreated();
     void asViewport();
+    void requestUpdate();
 };
 
 void tst_QOpenGLWidget::create()
@@ -305,6 +306,29 @@ void tst_QOpenGLWidget::asViewport()
     QVERIFY(view->paintCount() == 0);
 }
 
+class PaintCountWidget : public QOpenGLWidget
+{
+public:
+    PaintCountWidget() : m_count(0) { }
+    void reset() { m_count = 0; }
+    void paintGL() Q_DECL_OVERRIDE { ++m_count; }
+    int m_count;
+};
+
+void tst_QOpenGLWidget::requestUpdate()
+{
+    PaintCountWidget w;
+    w.resize(640, 480);
+    w.show();
+    QTest::qWaitForWindowExposed(&w);
+
+    w.reset();
+    QCOMPARE(w.m_count, 0);
+
+    w.windowHandle()->requestUpdate();
+    QTRY_VERIFY(w.m_count > 0);
+}
+
 QTEST_MAIN(tst_QOpenGLWidget)
 
 #include "tst_qopenglwidget.moc"