1 files changed, 50 insertions, 0 deletions
diff --git a/tests/auto/qpainter/tst_qpainter.cpp b/tests/auto/qpainter/tst_qpainter.cpp
index 87f9c13..c0f9935 100644
--- a/tests/auto/qpainter/tst_qpainter.cpp
+++ b/tests/auto/qpainter/tst_qpainter.cpp
@@ -215,6 +215,7 @@ private slots:
     void imageCoordinateLimit();
     void imageBlending_data();
     void imageBlending();
+    void imageBlending_clipped();
 
     void paintOnNullPixmap();
     void checkCompositionMode();
@@ -226,6 +227,7 @@ private slots:
     void extendedBlendModes();
 
     void zeroOpacity();
+    void clippingBug();
 
 private:
     void fillData();
@@ -3792,6 +3794,31 @@ void tst_QPainter::imageBlending()
     }
 }
 
+void tst_QPainter::imageBlending_clipped()
+{
+    QImage src(20, 20, QImage::Format_RGB16);
+    QPainter p(&src);
+    p.fillRect(src.rect(), Qt::red);
+    p.end();
+
+    QImage dst(40, 20, QImage::Format_RGB16);
+    p.begin(&dst);
+    p.fillRect(dst.rect(), Qt::white);
+    p.end();
+
+    QImage expected = dst;
+
+    p.begin(&dst);
+    p.setClipRect(QRect(23, 0, 20, 20));
+
+    // should be completely clipped
+    p.drawImage(QRectF(3, 0, 20, 20), src);
+    p.end();
+
+    // dst should be left unchanged
+    QCOMPARE(dst, expected);
+}
+
 void tst_QPainter::paintOnNullPixmap()
 {
     QPixmap pix(16, 16);
@@ -4168,5 +4195,28 @@ void tst_QPainter::zeroOpacity()
     QCOMPARE(target.pixel(0, 0), 0xff000000);
 }
 
+void tst_QPainter::clippingBug()
+{
+    QImage img(32, 32, QImage::Format_ARGB32_Premultiplied);
+    img.fill(0);
+
+    QImage expected = img;
+    QPainter p(&expected);
+    p.fillRect(1, 1, 30, 30, Qt::red);
+    p.end();
+
+    QPainterPath path;
+    path.addRect(1, 1, 30, 30);
+    path.addRect(1, 1, 30, 30);
+    path.addRect(1, 1, 30, 30);
+
+    p.begin(&img);
+    p.setClipPath(path);
+    p.fillRect(0, 0, 32, 32, Qt::red);
+    p.end();
+
+    QCOMPARE(img, expected);
+}
+
 QTEST_MAIN(tst_QPainter)
 #include "tst_qpainter.moc"