1 files changed, 63 insertions, 2 deletions
diff --git a/tests/auto/qpixmap/tst_qpixmap.cpp b/tests/auto/qpixmap/tst_qpixmap.cpp
index 198a275..976178a 100644
--- a/tests/auto/qpixmap/tst_qpixmap.cpp
+++ b/tests/auto/qpixmap/tst_qpixmap.cpp
@@ -196,6 +196,8 @@ private slots:
 #if defined(Q_OS_SYMBIAN) && !defined(QT_NO_OPENVG)
     void vgImageReadBack();
 #endif
+
+    void drawPixmapWhilePainterOpen();
 };
 
 static bool lenientCompare(const QPixmap &actual, const QPixmap &expected)
@@ -1337,7 +1339,7 @@ void tst_QPixmap::toSymbianCFbsBitmap()
 
 void tst_QPixmap::onlyNullPixmapsOutsideGuiThread()
 {
-#if !defined(Q_WS_WIN)
+#if !defined(Q_WS_WIN) && !defined(Q_WS_MAC)
     class Thread : public QThread
     {
     public:
@@ -1370,7 +1372,7 @@ void tst_QPixmap::onlyNullPixmapsOutsideGuiThread()
     thread.wait();
 #endif
 
-#endif // !defined(Q_WS_WIN)
+#endif // !defined(Q_WS_WIN) && !defined(Q_WS_MAC)
 }
 
 void tst_QPixmap::refUnref()
@@ -1897,5 +1899,64 @@ void tst_QPixmap::vgImageReadBack()
 }
 #endif // Symbian & OpenVG
 
+class PixmapWidget : public QWidget
+{
+public:
+    PixmapWidget(QPixmap &pixmap) : QWidget(0), m_pixmap(pixmap)
+    {
+        resize(pixmap.width(), pixmap.height());
+    }
+
+protected:
+    void paintEvent(QPaintEvent *)
+    {
+        QPainter p(this);
+        p.drawPixmap(0, 0, m_pixmap);
+    }
+
+private:
+    QPixmap &m_pixmap;
+};
+
+void tst_QPixmap::drawPixmapWhilePainterOpen()
+{
+    const int delay = 1000;
+    const int size = 100;
+    const QColor colors[] = { Qt::red, Qt::blue, Qt::green };
+
+    QPixmap pix(size, size);
+    pix.fill(colors[0]);
+
+    PixmapWidget w(pix);
+    w.show();
+    QTest::qWaitForWindowShown(&w);
+    QTest::qWait(delay);
+
+    QPainter p(&pix);
+    p.fillRect(0, 0, size, size, colors[1]);
+    w.update();
+    QTest::qWait(delay);
+
+    p.fillRect(0, 0, size, size, colors[2]);
+    w.update();
+    QTest::qWait(delay);
+
+    QPixmap actual = QPixmap::grabWindow(w.effectiveWinId(), 0, 0, size, size);
+
+    // If we captured some bogus content with grabWindow(), the comparison makes no sense
+    // because it cannot prove the feature is broken.
+    QPixmap guard(size, size);
+    bool matchesColors = false;
+    for (size_t i = 0; i < sizeof(colors) / sizeof(const QColor); ++i) {
+        guard.fill(colors[i]);
+        matchesColors |= lenientCompare(actual, guard);
+    }
+    if (!matchesColors) {
+        QSKIP("Skipping verification due to grabWindow() issue", SkipSingle);
+    } else {
+        QVERIFY(lenientCompare(actual, pix));
+    }
+}
+
 QTEST_MAIN(tst_QPixmap)
 #include "tst_qpixmap.moc"