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sort_test.go
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sort_test.go
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package colorful
import "testing"
// TestSortSimple tests the sorting of a small set of colors.
func TestSortSimple(t *testing.T) {
// Sort a list of reds and blues.
in := make([]Color, 0, 6)
for i := 0; i < 3; i++ {
in = append(in, Color{1.0 - float64(i+1)*0.25, 0.0, 0.0}) // Reds
in = append(in, Color{0.0, 0.0, 1.0 - float64(i+1)*0.25}) // Blues
}
out := Sorted(in)
// Ensure the output matches what we expected.
exp := []Color{
{R: 0.25, G: 0.0, B: 0},
{R: 0.50, G: 0.0, B: 0},
{R: 0.75, G: 0.0, B: 0},
{R: 0.0, G: 0.0, B: 0.25},
{R: 0.0, G: 0.0, B: 0.50},
{R: 0.0, G: 0.0, B: 0.75},
}
for i, e := range exp {
if out[i] != e {
t.Fatalf("Expected %v but saw %v", e, out[i])
}
}
}