89 lines
2 KiB
Go
89 lines
2 KiB
Go
package zenutil
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import (
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"image/color"
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"testing"
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"golang.org/x/image/colornames"
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)
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func TestColor_names(t *testing.T) {
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tests := []string{
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"chocolate",
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"lime",
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"olive",
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"orange",
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"plum",
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"salmon",
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"tomato",
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}
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for _, test := range tests {
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c1 := colornames.Map[test]
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c2 := ParseColor(test)
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c3 := ParseColor(UnparseColor(c1))
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if !colorEq(c1, c2) {
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t.Errorf("ParseColor(%s) = %v, want %v", test, c2, c1)
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}
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if !colorEq(c1, c3) {
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t.Errorf("ParseColor(UnparseColor(%v)) = %v, want %v", c1, c3, c1)
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}
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}
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}
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func TestColor_colors(t *testing.T) {
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tests := []color.Color{
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color.Black,
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color.White,
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color.Opaque,
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color.Transparent,
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}
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for _, test := range tests {
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c := ParseColor(UnparseColor(test))
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if !colorEq(c, test) {
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t.Errorf("ParseColor(UnparseColor(%v)) = %v, want %v", test, c, test)
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}
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}
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}
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func TestColor_strings(t *testing.T) {
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tests := []struct {
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data string
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want color.Color
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}{
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{"#000", color.Black},
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{"#000f", color.Black},
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{"#000000", color.Black},
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{"#000000ff", color.Black},
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{"#fff", color.White},
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{"#ffff", color.White},
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{"#ffffff", color.White},
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{"#ffffffff", color.White},
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{"#FFF", color.Opaque},
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{"#FFFF", color.Opaque},
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{"#FFFFFF", color.Opaque},
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{"#FFFFFFFF", color.Opaque},
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{"#0000", color.Transparent},
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{"#00000000", color.Transparent},
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{"#8888", color.NRGBA{0x88, 0x88, 0x88, 0x88}},
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{"#80808080", color.NRGBA{0x80, 0x80, 0x80, 0x80}},
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{"rgb(128,128,128)", color.NRGBA{0x80, 0x80, 0x80, 0xff}},
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{"rgba(128,128,128,0.5)", color.NRGBA{0x80, 0x80, 0x80, 0x80}},
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{"rgba(128,128,128,1.0)", color.NRGBA{0x80, 0x80, 0x80, 0xff}},
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{"not a color", nil},
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}
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for _, test := range tests {
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c := ParseColor(test.data)
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if !colorEq(c, test.want) {
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t.Errorf("ParseColor(%s) = %v, want %v", test.data, c, test.want)
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}
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}
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}
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func colorEq(c1, c2 color.Color) bool {
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if c1 == nil || c2 == nil {
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return c1 == c2
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}
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r1, g1, b1, a1 := c1.RGBA()
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r2, g2, b2, a2 := c2.RGBA()
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return r1 == r2 && g1 == g2 && b1 == b2 && a1 == a2
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}
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