go-staticmaps/color_test.go
2024-04-21 18:01:58 +02:00

48 lines
1.5 KiB
Go

package sm
import (
"image/color"
"testing"
)
type string_color_err struct {
input string
expected_color color.Color
expected_error bool
}
func TestParseColor(t *testing.T) {
for _, test := range []string_color_err{
{"WHITE", color.RGBA{0xFF, 0xFF, 0xFF, 0xFF}, false},
{"white", color.RGBA{0xFF, 0xFF, 0xFF, 0xFF}, false},
{"yellow", color.RGBA{0xFF, 0xFF, 0x00, 0xFF}, false},
{"transparent", color.RGBA{0x00, 0x00, 0x00, 0x00}, false},
{"#FF00FF42", color.RGBA{0xFF, 0x00, 0xFF, 0x42}, false},
{"#ff00ff42", color.RGBA{0xFF, 0x00, 0xFF, 0x42}, false},
{"#ff00ff", color.RGBA{0xFF, 0x00, 0xFF, 0xFF}, false},
{"#f0f", color.RGBA{0xFF, 0x00, 0xFF, 0xFF}, false},
{"FF00FF42", color.RGBA{0xFF, 0x00, 0xFF, 0x42}, false},
{"ff00ff42", color.RGBA{0xFF, 0x00, 0xFF, 0x42}, false},
{"ff00ff", color.RGBA{0xFF, 0x00, 0xFF, 0xFF}, false},
{"f0f", color.RGBA{0xFF, 0x00, 0xFF, 0xFF}, false},
{"bad-name", color.RGBA{0x00, 0x00, 0x00, 0x00}, true},
{"#FF00F", color.RGBA{0x00, 0x00, 0x00, 0x00}, true},
{"#GGGGGG", color.RGBA{0x00, 0x00, 0x00, 0x00}, true},
{"", color.RGBA{0x00, 0x00, 0x00, 0x00}, true},
} {
c, err := ParseColorString(test.input)
if test.expected_error {
if err == nil {
t.Errorf("error expected when parsing '%s'", test.input)
}
} else {
if err != nil {
t.Errorf("unexpected error when parsing '%s': %v", test.input, err)
}
if c != test.expected_color {
t.Errorf("unexpected color when parsing '%s': %v expected: %v", test.input, c, test.expected_color)
}
}
}
}