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package ansi
import (
"image/color"
"testing"
)
func TestSetPalette(t *testing.T) {
cases := []struct {
index int
color color.Color
want string
}{
{-1, color.RGBA{255, 0, 0, 255}, ""},
{0, nil, ""},
{0, color.RGBA{255, 0, 0, 255}, "\x1b]P0ff0000\x07"},
{1, color.RGBA{0, 255, 0, 255}, "\x1b]P100ff00\x07"},
{2, color.RGBA{0, 0, 255, 255}, "\x1b]P20000ff\x07"},
{3, color.RGBA{255, 255, 0, 255}, "\x1b]P3ffff00\x07"},
{4, color.RGBA{255, 0, 255, 255}, "\x1b]P4ff00ff\x07"},
{5, color.RGBA{0, 255, 255, 255}, "\x1b]P500ffff\x07"},
{6, color.RGBA{192, 192, 192, 255}, "\x1b]P6c0c0c0\x07"},
{7, color.RGBA{128, 128, 128, 255}, "\x1b]P7808080\x07"},
{8, color.RGBA{255, 128, 128, 255}, "\x1b]P8ff8080\x07"},
{9, color.RGBA{128, 255, 128, 255}, "\x1b]P980ff80\x07"},
{10, color.RGBA{128, 128, 255, 255}, "\x1b]Pa8080ff\x07"},
{11, color.RGBA{255, 255, 128, 255}, "\x1b]Pbffff80\x07"},
{12, color.RGBA{255, 128, 255, 255}, "\x1b]Pcff80ff\x07"},
{13, color.RGBA{128, 255, 255, 255}, "\x1b]Pd80ffff\x07"},
{14, color.RGBA{192, 192, 192, 255}, "\x1b]Pec0c0c0\x07"},
{15, color.RGBA{0, 0, 0, 255}, "\x1b]Pf000000\x07"},
{16, color.RGBA{255, 0, 0, 255}, ""},
{256, nil, ""},
}
for _, c := range cases {
got := SetPalette(c.index, c.color)
if got != c.want {
t.Errorf("SetPalette(%d, %v) = %q; want %q", c.index, c.color, got, c.want)
}
}
}
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