Fixed autotest failure in qwindowsurface on X11 with Oxygen style.

Oxygen draws a fancy background gradient etc so it's not suitable for
this kind of pixel testing. Since we're testing the window surface and
not the style just use the simple QWindowsStyle here.

Reviewed-by: Gunnar Sletta

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/auto/qwindowsurface/tst_qwindowsurface.cpp b/tests/auto/qwindowsurface/tst_qwindowsurface.cpp
index ede6021..1472aad 100644
--- a/tests/auto/qwindowsurface/tst_qwindowsurface.cpp
+++ b/tests/auto/qwindowsurface/tst_qwindowsurface.cpp
@@ -43,6 +43,7 @@
 #include <QtTest/QtTest>
 #include <QPainter>
 #include <QPalette>
+#include <QWindowsStyle>
 
 #ifndef Q_WS_MAC
 
@@ -145,6 +146,8 @@ void tst_QWindowSurface::flushOutsidePaintEvent()
 #endif
     ColorWidget w(0, Qt::red);
     w.setGeometry(10, 100, 50, 50);
+    // prevent custom styles from messing up the background
+    w.setStyle(new QWindowsStyle);
     w.show();
 
     QApplication::processEvents();
@@ -215,6 +218,9 @@ void tst_QWindowSurface::grabWidget()
     pal.setColor(QPalette::Window, QColor(Qt::red));
     babyWidget.setPalette(pal);
 
+    // prevent custom styles from messing up the background
+    parentWidget.setStyle(new QWindowsStyle);
+
     babyWidget.show();
     childWidget.show();
     parentWidget.show();