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Test rework, bugfixes and more tests

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nxshock 2017-06-26 23:12:48 +05:00
parent 1cf1415b29
commit 28d09be6b5
22 changed files with 240 additions and 45 deletions
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28
colorconverson_test.go Normal file
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package colorcrop
import (
"image/color"
"math"
"testing"
)
func TestColorToLAB(t *testing.T) {
tests := []struct {
color color.Color
expectedL, expectedA, expectedB float64
gotL, gotA, gotB float64
}{
{color: color.RGBA{0, 0, 0, 255}, expectedL: 0.0, expectedA: 0.0, expectedB: 0.0},
{color: color.RGBA{0, 0, 255, 255}, expectedL: 32.30258667, expectedA: 79.19666179, expectedB: -107.86368104},
{color: color.RGBA{0, 255, 0, 255}, expectedL: 87.73703347, expectedA: -86.18463650, expectedB: 83.18116475},
{color: color.RGBA{255, 0, 0, 255}, expectedL: 53.23288179, expectedA: 80.10930953, expectedB: 67.22006831},
{color: color.RGBA{255, 255, 255, 255}, expectedL: 100.00000000, expectedA: 0.00526050, expectedB: -0.01040818},
}
for _, test := range tests {
test.gotL, test.gotA, test.gotB = colorToLAB(test.color)
if math.Abs(test.gotL-test.expectedL) > epsilon || math.Abs(test.gotA-test.expectedA) > epsilon || math.Abs(test.gotB-test.expectedB) > epsilon {
t.Errorf("%v: expected {%.8f, %.8f, %.8f}, got {%.8f, %.8f, %.8f}", test.color, test.expectedL, test.expectedA, test.expectedB, test.gotL, test.gotA, test.gotB)
}
}
}