Remove test cases which cause stack overflow

These test cases are not considered reasonable for a small screen device
(625 widgets). Patching the QWidget code to use iteration rather than
recursion is considered too risky, as the code is performance critical.

Task-number: QTBUG-8512
Reviewed-by: Bjoern Erik Nilsen

1 files changed, 5 insertions, 0 deletions

diff --git a/tests/benchmarks/gui/kernel/qwidget/tst_qwidget.cpp b/tests/benchmarks/gui/kernel/qwidget/tst_qwidget.cpp
index 8c30be4..7015bd1 100644
--- a/tests/benchmarks/gui/kernel/qwidget/tst_qwidget.cpp
+++ b/tests/benchmarks/gui/kernel/qwidget/tst_qwidget.cpp
@@ -159,12 +159,17 @@ void tst_QWidget::update_data()
     QTest::newRow("10x10x1 opaque")        << 10 << 10 << 1   << true;
     QTest::newRow("10x10x10 opaque")       << 10 << 10 << 10  << true;
     QTest::newRow("10x10x100 opaque")      << 10 << 10 << 100 << true;
+#ifndef Q_OS_SYMBIAN
+    //These test cases cause stack overflow in QWidgetPrivate::paintSiblingsRecursive
+    //see http://bugreports.qt.nokia.com/browse/QTBUG-8512
+    //Symbian threads have a hard limit of 80kB user stack
     QTest::newRow("25x25x1 transparent ")  << 25 << 25 << 1   << false;
     QTest::newRow("25x25x10 transparent")  << 25 << 25 << 10  << false;
     QTest::newRow("25x25x100 transparent") << 25 << 25 << 100 << false;
     QTest::newRow("25x25x1 opaque")        << 25 << 25 << 1   << true;
     QTest::newRow("25x25x10 opaque")       << 25 << 25 << 10  << true;
     QTest::newRow("25x25x100 opaque")      << 25 << 25 << 100 << true;
+#endif
 }
 
 void tst_QWidget::update()