138 lines
3.6 KiB
Go
138 lines
3.6 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 TestColorEquals(t *testing.T) {
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t.Parallel()
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if ColorEquals(nil, nil) == false {
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t.Error("ColorEquals(nil, nil) == false")
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}
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if ColorEquals(nil, color.Black) == true {
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t.Error("ColorEquals(nil, color.Black) == true")
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}
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if ColorEquals(color.Black, nil) == true {
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t.Error("ColorEquals(color.Black, nil) == true")
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}
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if ColorEquals(color.Black, color.Black) == false {
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t.Error("ColorEquals(color.Black, color.Black) == false")
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}
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if ColorEquals(color.Black, color.White) == true {
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t.Error("ColorEquals(color.Black, color.White) == true")
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}
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if ColorEquals(color.Black, colornames.Red) == true {
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t.Error("ColorEquals(color.Black, colornames.Red) == true")
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}
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if ColorEquals(color.Black, colornames.Green) == true {
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t.Error("ColorEquals(color.Black, colornames.Green) == true")
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}
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if ColorEquals(color.Black, colornames.Blue) == true {
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t.Error("ColorEquals(color.Black, colornames.Blue) == true")
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}
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if ColorEquals(color.Black, color.Transparent) == true {
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t.Error("ColorEquals(color.Black, color.Transparent) == true")
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}
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}
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func TestColor_names(t *testing.T) {
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t.Parallel()
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for _, name := range colornames.Names {
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c1 := colornames.Map[name]
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c2 := ParseColor(name)
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c3 := ParseColor(UnparseColor(c1))
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if !ColorEquals(c1, c2) {
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t.Errorf("ParseColor(%q) = %v; want %v", name, c2, c1)
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}
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if !ColorEquals(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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t.Parallel()
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colors := []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 _, color := range colors {
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c := ParseColor(UnparseColor(color))
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if !ColorEquals(c, color) {
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t.Errorf("ParseColor(UnparseColor(%v)) = %v; want %v", color, c, color)
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}
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}
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}
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var colorTests = []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)", color.NRGBA{0x80, 0x80, 0x80, 0x00}},
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{"rgba(128,128,128,1)", color.NRGBA{0x80, 0x80, 0x80, 0xff}},
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{"rgba(128,128,128,0.0)", color.NRGBA{0x80, 0x80, 0x80, 0x00}},
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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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{"", nil},
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{"#0", nil},
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{"#00", nil},
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{"#000", color.Black},
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{"#0000", color.Transparent},
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{"#00000", nil},
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{"#000000", color.Black},
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{"#0000000", nil},
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{"#00000000", color.Transparent},
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{"#000000000", nil},
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{"rgb(-1,-1,-1)", nil},
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{"rgb(256,256,256)", nil},
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{"rgb(128,128,128,0.5)", nil},
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{"rgb(127.5,127.5,127.5)", nil},
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{"rgba(127.5,127.5,127.5,0.5)", nil},
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{"rgba(128,128,128)", nil},
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}
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func TestParseColor(t *testing.T) {
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t.Parallel()
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for _, test := range colorTests {
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c := ParseColor(test.data)
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if !ColorEquals(c, test.want) {
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t.Errorf("ParseColor(%q) = %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 FuzzParseColor(f *testing.F) {
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for _, test := range colorTests {
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f.Add(test.data)
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}
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for _, name := range colornames.Names {
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f.Add(name)
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}
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f.Fuzz(func(t *testing.T, s string) {
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ParseColor(s)
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})
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}
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