diff options
Diffstat (limited to 'tests/SkNxTest.cpp')
-rw-r--r-- | tests/SkNxTest.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/SkNxTest.cpp b/tests/SkNxTest.cpp index 4005d2518f..185940f195 100644 --- a/tests/SkNxTest.cpp +++ b/tests/SkNxTest.cpp @@ -208,3 +208,18 @@ DEF_TEST(Sk4px_widening, r) { wideLoHiAlt = wideLo + wideHi; REPORTER_ASSERT(r, 0 == memcmp(&wideLoHi, &wideLoHiAlt, sizeof(wideLoHi))); } + +DEF_TEST(Sk4f_toBytes, r) { + uint8_t bytes[4]; + + // toBytes truncates, not rounds. + Sk4f(0.7f).toBytes(bytes); + REPORTER_ASSERT(r, bytes[0] == 0); + + // Clamping edge cases. + Sk4f(-2.0f, -0.7f, 255.9f, 256.0f).toBytes(bytes); + REPORTER_ASSERT(r, bytes[0] == 0); + REPORTER_ASSERT(r, bytes[1] == 0); + REPORTER_ASSERT(r, bytes[2] == 255); + REPORTER_ASSERT(r, bytes[3] == 255); +} |