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import gx
fn test_hex() {
// valid colors
a := gx.hex(0x6c5ce7ff)
b := gx.rgba(108, 92, 231, 255)
assert a.eq(b)
// doesn't give right value with short hex value
short := gx.hex(0xfff)
assert !short.eq(gx.white)
}
fn test_add() {
a := gx.rgba(100, 100, 100, 100)
b := gx.rgba(100, 100, 100, 100)
r := gx.rgba(200, 200, 200, 200)
assert (a + b).eq(r)
}
fn test_sub() {
a := gx.rgba(100, 100, 100, 100)
b := gx.rgba(100, 100, 100, 100)
r := gx.rgba(0, 0, 0, 0)
assert (a - b).eq(r)
}
fn test_mult() {
a := gx.rgba(10, 10, 10, 10)
b := gx.rgba(10, 10, 10, 10)
r := gx.rgba(100, 100, 100, 100)
assert (a * b).eq(r)
}
fn test_div() {
a := gx.rgba(100, 100, 100, 100)
b := gx.rgba(10, 10, 10, 10)
r := gx.rgba(10, 10, 10, 10)
assert (a / b).eq(r)
}
fn test_rgba8() {
assert gx.white.rgba8() == -1
assert gx.black.rgba8() == 255
assert gx.red.rgba8() == -16776961
assert gx.green.rgba8() == 16711935
assert gx.blue.rgba8() == 65535
}
fn test_bgra8() {
assert gx.white.bgra8() == -1
assert gx.black.bgra8() == 255
assert gx.red.bgra8() == 65535
assert gx.green.bgra8() == 16711935
assert gx.blue.bgra8() == -16776961
}
fn test_abgr8() {
assert gx.white.abgr8() == -1
assert gx.black.abgr8() == -16777216
assert gx.red.abgr8() == -16776961
assert gx.green.abgr8() == -16711936
assert gx.blue.abgr8() == -65536
}
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