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42 lines
751 B
Go
42 lines
751 B
Go
package main
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import (
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"image/color"
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"testing"
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)
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func TestParseColor(t *testing.T) {
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white := color.RGBA{0xff, 0xff, 0xff, 0xff}
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eq := func(c1, c2 color.Color) bool {
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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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type test struct {
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in string
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out color.RGBA
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}
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var tests = []test{
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{"", white},
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{"0000ff", blue},
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{"0000ffff", blue},
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{"00ff00", green},
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{"00ff00ff", green},
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{"ff0000", red},
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{"ff0000ff", red},
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{"FF0000", red},
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}
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for _, tt := range tests {
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c := parseColor(tt.in, white)
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if eq(c, tt.out) {
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t.Logf("ok: '%s' == %v", tt.in, c)
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} else {
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t.Errorf("parse color failed: '%s' yielded %v, expected %v", tt.in, c, tt.out)
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}
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}
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}
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