Improved LCH support

Color_test.go

@@ -1,7 +1,6 @@
 package color_test
 
 import (
-	"fmt"
 	"io"
 	"testing"
 
@@ -9,64 +8,71 @@ import (
 	"git.akyoto.dev/go/color"
 )
 
-func TestNoColors(t *testing.T) {
+func TestFprint(t *testing.T) {
+	color.Terminal = true
+
+	color.RGB(1, 0, 0).Fprint(io.Discard, "red")
+	color.RGB(0, 1, 0).Fprint(io.Discard, "green")
+	color.RGB(0, 0, 1).Fprint(io.Discard, "blue")
+
 	color.Terminal = false
-	testRGBColors(t)
-	testLCHColors(t)
+
+	color.RGB(1, 0, 0).Fprint(io.Discard, "red")
+	color.RGB(0, 1, 0).Fprint(io.Discard, "green")
+	color.RGB(0, 0, 1).Fprint(io.Discard, "blue")
 }
 
-func TestColors(t *testing.T) {
-	color.Terminal = true
-	testRGBColors(t)
-	testLCHColors(t)
-}
-
-func TestRainbow(t *testing.T) {
+func TestPrint(t *testing.T) {
 	color.Terminal = true
 
-	for chroma := range 5 {
-		for lightness := range 21 {
-			for hue := range 80 {
-				c := color.LCH(color.Value(lightness)*0.05, color.Value(chroma)*0.05, color.Value(hue)*4.5)
-				c.Print("█")
-			}
+	color.RGB(1, 0, 0).Print("red\n")
+	color.RGB(0, 1, 0).Print("green\n")
+	color.RGB(0, 0, 1).Print("blue\n")
 
-			fmt.Println()
-		}
+	color.Terminal = false
 
-		fmt.Println()
-	}
+	color.RGB(1, 0, 0).Print("red\n")
+	color.RGB(0, 1, 0).Print("green\n")
+	color.RGB(0, 0, 1).Print("blue\n")
 }
 
-func testRGBColors(t *testing.T) {
+func TestPrintln(t *testing.T) {
+	color.Terminal = true
+
+	color.RGB(1, 0, 0).Println("red")
+	color.RGB(0, 1, 0).Println("green")
+	color.RGB(0, 0, 1).Println("blue")
+
+	color.Terminal = false
+
+	color.RGB(1, 0, 0).Println("red")
+	color.RGB(0, 1, 0).Println("green")
+	color.RGB(0, 0, 1).Println("blue")
+}
+
+func TestRGB(t *testing.T) {
+	color.Terminal = true
+
 	rgbColors := map[string]color.Color{
-		"RGB.black": color.RGB(0.0, 0.0, 0.0),
-		"RGB.white": color.RGB(1.0, 1.0, 1.0),
-		"RGB.red":   color.RGB(1.0, 0.0, 0.0),
-		"RGB.green": color.RGB(0.0, 1.0, 0.0),
-		"RGB.blue":  color.RGB(0.0, 0.0, 1.0),
+		"black":   color.RGB(0, 0, 0),
+		"white":   color.RGB(1, 1, 1),
+		"gray":    color.RGB(0.5, 0.5, 0.5),
+		"red":     color.RGB(1, 0, 0),
+		"green":   color.RGB(0, 1, 0),
+		"blue":    color.RGB(0, 0, 1),
+		"cyan":    color.RGB(0, 1, 1),
+		"yellow":  color.RGB(1, 1, 0),
+		"orange":  color.RGB(1, 0.5, 0),
+		"magenta": color.RGB(1, 0, 1),
 	}
 
 	for name, c := range rgbColors {
-		testColor(t, c, name)
+		testColorRange(t, c)
+		c.Println("█ " + name)
 	}
 }
 
-func testLCHColors(t *testing.T) {
-	lchColors := map[string]color.Color{
-		"LCH.black": color.LCH(0.0, 0.0, 0.0),
-		"LCH.white": color.LCH(1.0, 0.0, 0.0),
-		"LCH.red":   color.LCH(0.6, 0.5, 20.0),
-		"LCH.green": color.LCH(0.6, 0.5, 161.0),
-		"LCH.blue":  color.LCH(0.6, 0.5, 240.0),
-	}
-
-	for name, c := range lchColors {
-		testColor(t, c, name)
-	}
-}
-
-func testColor(t *testing.T, c color.Color, name string) {
+func testColorRange(t *testing.T, c color.Color) {
 	assert.True(t, c.R >= 0.0)
 	assert.True(t, c.G >= 0.0)
 	assert.True(t, c.B >= 0.0)
@@ -74,8 +80,4 @@ func testColor(t *testing.T, c color.Color, name string) {
 	assert.True(t, c.R <= 1.0)
 	assert.True(t, c.G <= 1.0)
 	assert.True(t, c.B <= 1.0)
-
-	c.Fprint(io.Discard, name)
-	c.Print(name)
-	c.Println(name)
 }