diff options
| author |  reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-04-19 12:25:00 +0000 |
|---|---|---|
| committer | reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-04-19 12:25:00 +0000 |
| commit | 87f99cb543dbba608136bbd2a7b1e6b3356fd6f9 (patch) | |
| tree | 228b62805a908377bf9caa7fe9dbbf37d1e3e967 /tests | |
| parent | f685a22971a90c54b7e12d45e9aa89cc2a2e1a7f (diff) | |
ensure that negative zeros are still ignored when computing isIdentity()
crbug.com/162747
git-svn-id: http://skia.googlecode.com/svn/trunk@8761 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/Matrix44Test.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/Matrix44Test.cpp b/tests/Matrix44Test.cpp index bdeafd4ff9..b2c7071b79 100644 --- a/tests/Matrix44Test.cpp +++ b/tests/Matrix44Test.cpp @@ -231,6 +231,17 @@ static void test_gettype(skiatest::Reporter* reporter) { matrix.set(3, 2, 1); REPORTER_ASSERT(reporter, matrix.getType() & SkMatrix44::kPerspective_Mask); + + // ensure that negative zero is treated as zero + SkMScalar dx = 0; + SkMScalar dy = 0; + SkMScalar dz = 0; + matrix.setTranslate(-dx, -dy, -dz); + REPORTER_ASSERT(reporter, matrix.isIdentity()); + matrix.preTranslate(-dx, -dy, -dz); + REPORTER_ASSERT(reporter, matrix.isIdentity()); + matrix.postTranslate(-dx, -dy, -dz); + REPORTER_ASSERT(reporter, matrix.isIdentity()); } static void test_common_angles(skiatest::Reporter* reporter) { |