82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
package captcha
|
|
|
|
import (
|
|
"fmt"
|
|
"image/color"
|
|
"testing"
|
|
)
|
|
|
|
func TestHSVAInterface(t *testing.T) {
|
|
var _ color.Color = hsva{}
|
|
}
|
|
|
|
func TestConversionGray(t *testing.T) {
|
|
var white1 color.Color = hsva{h: 0.0, s: 0.0, v: 1.0, a: uint8(255)}
|
|
var white2 color.Color = color.RGBA{R: uint8(255), G: uint8(255), B: uint8(255), A: uint8(255)}
|
|
|
|
if err := eq(white1, white2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var black1 color.Color = hsva{h: 0.0, s: 0.0, v: 0.0, a: uint8(255)}
|
|
var black2 color.Color = color.RGBA{R: uint8(0), G: uint8(0), B: uint8(0), A: uint8(255)}
|
|
|
|
if err := eq(black1, black2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var gray1 color.Color = hsva{h: 1.0, s: 0.0, v: 0.8, a: uint8(255)}
|
|
var gray2 color.Color = color.RGBA{R: uint8(204), G: uint8(204), B: uint8(204), A: uint8(255)}
|
|
|
|
if err := eq(gray1, gray2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestConversionRGB(t *testing.T) {
|
|
var yellow1 color.Color = hsva{h: 60.0 / 360.0, s: 0.6, v: 1.0, a: uint8(255)}
|
|
var yellow2 color.Color = color.RGBA{R: uint8(255), G: uint8(255), B: uint8(102), A: uint8(255)}
|
|
|
|
if err := eq(yellow1, yellow2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var green1 color.Color = hsva{h: 120.0 / 360.0, s: 1.0, v: 0.8, a: uint8(255)}
|
|
var green2 color.Color = color.RGBA{R: uint8(0), G: uint8(204), B: uint8(0), A: uint8(255)}
|
|
|
|
if err := eq(green1, green2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var teal1 color.Color = hsva{h: 180.0 / 360.0, s: 0.5, v: 0.8, a: uint8(255)}
|
|
var teal2 color.Color = color.RGBA{R: uint8(102), G: uint8(204), B: uint8(204), A: uint8(255)}
|
|
|
|
if err := eq(teal1, teal2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var blue1 color.Color = hsva{h: 240.0 / 360.0, s: 0.75, v: 0.8, a: uint8(255)}
|
|
var blue2 color.Color = color.RGBA{R: uint8(51), G: uint8(51), B: uint8(204), A: uint8(255)}
|
|
|
|
if err := eq(blue1, blue2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var pink1 color.Color = hsva{h: 300.0 / 360.0, s: 0.2, v: 1.0, a: uint8(255)}
|
|
var pink2 color.Color = color.RGBA{R: uint8(255), G: uint8(204), B: uint8(255), A: uint8(255)}
|
|
|
|
if err := eq(pink1, pink2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func eq(c0, c1 color.Color) error {
|
|
r0, g0, b0, a0 := c0.RGBA()
|
|
r1, g1, b1, a1 := c1.RGBA()
|
|
if r0 != r1 || g0 != g1 || b0 != b1 || a0 != a1 {
|
|
return fmt.Errorf("got 0x%04x 0x%04x 0x%04x 0x%04x\nwant 0x%04x 0x%04x 0x%04x 0x%04x",
|
|
r0, g0, b0, a0, r1, g1, b1, a1)
|
|
}
|
|
return nil
|
|
}
|