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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package util
import (
"testing"
"github.com/stretchr/testify/assert"
)
func Test_HexToRBGColor(t *testing.T) {
cases := []struct {
colorString string
expectedR float64
expectedG float64
expectedB float64
}{
{"2b8685", 43, 134, 133},
{"1e1", 17, 238, 17},
{"#1e1", 17, 238, 17},
{"1e16", 17, 238, 17},
{"3bb6b3", 59, 182, 179},
{"#3bb6b399", 59, 182, 179},
{"#0", 0, 0, 0},
{"#00000", 0, 0, 0},
{"#1234567", 0, 0, 0},
}
for n, c := range cases {
r, g, b := HexToRBGColor(c.colorString)
assert.Equal(t, c.expectedR, r, "case %d: error R should match: expected %f, but get %f", n, c.expectedR, r)
assert.Equal(t, c.expectedG, g, "case %d: error G should match: expected %f, but get %f", n, c.expectedG, g)
assert.Equal(t, c.expectedB, b, "case %d: error B should match: expected %f, but get %f", n, c.expectedB, b)
}
}
func Test_UseLightTextOnBackground(t *testing.T) {
cases := []struct {
r float64
g float64
b float64
expected bool
}{
{215, 58, 74, true},
{0, 117, 202, true},
{207, 211, 215, false},
{162, 238, 239, false},
{112, 87, 255, true},
{0, 134, 114, true},
{228, 230, 105, false},
{216, 118, 227, true},
{255, 255, 255, false},
{43, 134, 133, true},
{43, 135, 134, true},
{44, 135, 134, true},
{59, 182, 179, true},
{124, 114, 104, true},
{126, 113, 108, true},
{129, 112, 109, true},
{128, 112, 112, true},
}
for n, c := range cases {
result := UseLightTextOnBackground(c.r, c.g, c.b)
assert.Equal(t, c.expected, result, "case %d: error should match", n)
}
}
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