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author | Allan Wang <me@allanwang.ca> | 2018-12-24 22:00:41 -0500 |
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committer | Allan Wang <me@allanwang.ca> | 2018-12-24 22:00:41 -0500 |
commit | d850474b0a82ee00d094990d9bd3392ae8cd9575 (patch) | |
tree | e5bdf272058d345871d615480764468fc95702d7 /core/src/test/kotlin/ca/allanwang | |
parent | 84174b8f5bdb0107bee48e0b2b8613a9015eb36e (diff) | |
download | kau-d850474b0a82ee00d094990d9bd3392ae8cd9575.tar.gz kau-d850474b0a82ee00d094990d9bd3392ae8cd9575.tar.bz2 kau-d850474b0a82ee00d094990d9bd3392ae8cd9575.zip |
Simplify color utils and fix tests, resolves #156
Diffstat (limited to 'core/src/test/kotlin/ca/allanwang')
-rw-r--r-- | core/src/test/kotlin/ca/allanwang/kau/utils/UtilsTest.kt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/core/src/test/kotlin/ca/allanwang/kau/utils/UtilsTest.kt b/core/src/test/kotlin/ca/allanwang/kau/utils/UtilsTest.kt index 1cce9ae..b9c200a 100644 --- a/core/src/test/kotlin/ca/allanwang/kau/utils/UtilsTest.kt +++ b/core/src/test/kotlin/ca/allanwang/kau/utils/UtilsTest.kt @@ -32,6 +32,24 @@ class UtilsTest { } @Test + fun colorWithAlpha() { + val origColor = 0xFF123456.toInt() + assertEquals(0x00123456, origColor.withAlpha(0), "Failed to convert with alpha 0") + assertEquals(0x50123456, origColor.withAlpha(80), "Failed to convert with alpha 80") + assertEquals(0xFF123456.toInt(), origColor.withAlpha(255), "Failed to convert with alpha 255") + assertEquals(0xFF123456.toInt(), origColor.withAlpha(0xFF), "Failed to convert with alpha 0xFF") + assertEquals(Color.TRANSPARENT, Color.BLACK.withAlpha(0), "Failed to convert black to transparent") + } + + @Test + fun colorWithMinAlpha() { + val origColor = 0x80123456.toInt() + assertEquals(origColor, origColor.withMinAlpha(0), "Failed to convert with min alpha 0") + assertEquals(0xFA123456.toInt(), origColor.withMinAlpha(0xFA), "Failed to convert with min alpha 0xFA") + assertEquals(Color.BLUE, Color.BLUE.withMinAlpha(89), "Failed to convert blue with min alpha 89") + } + + @Test fun rounding() { assertEquals("1.23", 1.23456f.round(2)) assertEquals("22.466", 22.465920439.round(3)) |