add (disabled) tests for common angles
git-svn-id: http://skia.googlecode.com/svn/trunk@1708 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/Matrix44Test.cpp b/tests/Matrix44Test.cpp
index 6ee70eb..67dc0d2 100644
--- a/tests/Matrix44Test.cpp
+++ b/tests/Matrix44Test.cpp
@@ -57,6 +57,18 @@
return nearly_equal(m, identity);
}
+static void test_common_angles(skiatest::Reporter* reporter) {
+ SkMatrix44 rot;
+ // Test precision of rotation in common cases
+ int common_angles[] = { 0, 90, -90, 180, -180, 270, -270, 360, -360 };
+ for (int i = 0; i < 9; ++i) {
+ rot.setRotateDegreesAbout(0, 0, -1, common_angles[i]);
+
+ SkMatrix rot3x3 = rot;
+ REPORTER_ASSERT(reporter, rot3x3.rectStaysRect());
+ }
+}
+
void TestMatrix44(skiatest::Reporter* reporter) {
#ifdef SK_SCALAR_IS_FLOAT
SkMatrix44 mat, inverse, iden1, iden2, rot;
@@ -119,6 +131,10 @@
0, 0, 1, 4,
0, 0, 0, 1);
}
+
+#if 0 // working on making this pass
+ test_common_angles(reporter);
+#endif
#endif
}