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| author | Simon Hausmann <simon.hausmann@nokia.com> | 2012-05-11 09:43:24 +0200 |
|---|---|---|
| committer | Simon Hausmann <simon.hausmann@nokia.com> | 2012-05-11 09:43:24 +0200 |
| commit | 1b914638db989aaa98631a1c1e02c7b2d44805d8 (patch) | |
| tree | 87f4fd2c7b38db320079a5de8877890d2ca3c485 /Source/WebKit/chromium/tests/CCMathUtilTest.cpp | |
| parent | 2cf6c8816a73e0132bd8fa3b509d62d7c51b6e47 (diff) | |
| download | qtwebkit-1b914638db989aaa98631a1c1e02c7b2d44805d8.tar.gz | |
Imported WebKit commit 9a52e27980f47e8b0d8f8b7cc0fd7b5741bceb92 (http://svn.webkit.org/repository/webkit/trunk@116736)
New snapshot to include QDeclarative* -> QQml* build fixes
Diffstat (limited to 'Source/WebKit/chromium/tests/CCMathUtilTest.cpp')
| -rw-r--r-- | Source/WebKit/chromium/tests/CCMathUtilTest.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Source/WebKit/chromium/tests/CCMathUtilTest.cpp b/Source/WebKit/chromium/tests/CCMathUtilTest.cpp index db0a4e53f..3909677a5 100644 --- a/Source/WebKit/chromium/tests/CCMathUtilTest.cpp +++ b/Source/WebKit/chromium/tests/CCMathUtilTest.cpp @@ -99,4 +99,21 @@ TEST(CCMathUtilTest, verifyBackfaceVisibilityForPerspective) EXPECT_TRUE(layerSpaceToProjectionPlane.isBackFaceVisible()); } +TEST(CCMathUtilTest, verifyProjectionOfPerpendicularPlane) +{ + // In this case, the m33() element of the transform becomes zero, which could cause a + // divide-by-zero when projecting points/quads. + + TransformationMatrix transform; + transform.makeIdentity(); + transform.setM33(0); + + FloatRect rect = FloatRect(0, 0, 1, 1); + FloatRect projectedRect = CCMathUtil::projectClippedRect(transform, rect); + + EXPECT_EQ(0, projectedRect.x()); + EXPECT_EQ(0, projectedRect.y()); + EXPECT_TRUE(projectedRect.isEmpty()); +} + } // namespace |