diff options
| author | Samuel Rødal <samuel.rodal@nokia.com> | 2011-02-22 13:44:58 (GMT) |
|---|---|---|
| committer | Samuel Rødal <samuel.rodal@nokia.com> | 2011-02-22 13:54:12 (GMT) |
| commit | 9d019830169289a3aa00e8baca9c320963904993 (patch) | |
| tree | 03e2a689b96cca552037bc88411410c0e8e7e5b4 /tests/auto | |
| parent | db9925a187a9ad395ba2cabf23487b9a0e09c67c (diff) | |
| download | Qt-9d019830169289a3aa00e8baca9c320963904993.zip Qt-9d019830169289a3aa00e8baca9c320963904993.tar.gz Qt-9d019830169289a3aa00e8baca9c320963904993.tar.bz2 | |
Prevent infinite loop in raster engine on zero dash pattern length.
Task-number: QTBUG-17053
Reviewed-by: Kim
Diffstat (limited to 'tests/auto')
| -rw-r--r-- | tests/auto/qpainter/tst_qpainter.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/auto/qpainter/tst_qpainter.cpp b/tests/auto/qpainter/tst_qpainter.cpp index 4cf64f1..c9eca89 100644 --- a/tests/auto/qpainter/tst_qpainter.cpp +++ b/tests/auto/qpainter/tst_qpainter.cpp @@ -258,6 +258,8 @@ private slots: void QTBUG14614_gradientCacheRaceCondition(); void drawTextOpacity(); + void QTBUG17053_zeroDashPattern(); + private: void fillData(); void setPenColor(QPainter& p); @@ -4601,6 +4603,26 @@ void tst_QPainter::drawTextOpacity() QCOMPARE(image, copy); } +void tst_QPainter::QTBUG17053_zeroDashPattern() +{ + QImage image(32, 32, QImage::Format_RGB32); + image.fill(0xffffffff); + + QImage original = image; + + QVector<qreal> pattern; + pattern << qreal(0) << qreal(0); + + QPainter p(&image); + QPen pen(Qt::black, 2.0); + pen.setDashPattern(pattern); + + p.setPen(pen); + p.drawLine(0, 0, image.width(), image.height()); + + QCOMPARE(image, original); +} + QTEST_MAIN(tst_QPainter) #include "tst_qpainter.moc" |