75 lines
1.6 KiB
Go
75 lines
1.6 KiB
Go
package colors
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import (
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"strconv"
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"testing"
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)
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func TestLightMap_Diff(t *testing.T) {
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t.Run("random", func(t *testing.T) {
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lum := []Luminance{1, 16, 2, 4, 15, 16, 1, 0, 8}
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lMap := LightMap(lum)
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result := lMap.Diff()
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if result != 845 {
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t.Errorf("result should be 845: %d", result)
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}
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})
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t.Run("empty", func(t *testing.T) {
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var lum []Luminance
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lMap := LightMap(lum)
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result := lMap.Diff()
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if result != 0 {
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t.Errorf("result should be 0: %d", result)
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}
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})
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t.Run("one", func(t *testing.T) {
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lum := []Luminance{0}
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lMap := LightMap(lum)
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result := lMap.Diff()
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if result != 0 {
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t.Errorf("result should be 0: %d", result)
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}
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})
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t.Run("same", func(t *testing.T) {
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lum := []Luminance{1, 1, 1, 1, 1, 1, 1, 1, 1}
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lMap := LightMap(lum)
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result := lMap.Diff()
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if result != 1023 {
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t.Errorf("result should be 1023: %d", result)
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}
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})
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t.Run("similar", func(t *testing.T) {
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lum := []Luminance{1, 1, 1, 1, 1, 1, 1, 1, 2}
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lMap := LightMap(lum)
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result := lMap.Diff()
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if result != 1023 {
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t.Errorf("result should be 1023: %d", result)
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}
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})
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t.Run("happy", func(t *testing.T) {
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m1 := LightMap{8, 13, 7, 2, 2, 3, 6, 3, 4}
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d1 := m1.Diff()
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t.Log(strconv.FormatUint(uint64(d1), 2))
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m2 := LightMap{8, 13, 7, 3, 1, 3, 5, 3, 4}
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d2 := m2.Diff()
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t.Log(strconv.FormatUint(uint64(d2), 2))
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m3 := LightMap{9, 13, 7, 8, 2, 4, 5, 3, 4}
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d3 := m3.Diff()
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t.Log(strconv.FormatUint(uint64(d3), 2))
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m4 := LightMap{9, 13, 7, 7, 2, 4, 6, 2, 3}
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d4 := m4.Diff()
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t.Log(strconv.FormatUint(uint64(d4), 2))
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t.Logf("values: %d, %d, %d, %d", d1, d2, d3, d4)
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})
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}
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