Improved tests

Color.go

@@ -24,6 +24,7 @@ func RGB(r Component, g Component, b Component) Color {
 func (c Color) Fprint(writer io.Writer, text string) {
 	if !Terminal {
 		fmt.Fprint(writer, text)
+		return
 	}
 
 	fmt.Fprintf(writer, format, byte(c.R*255), byte(c.G*255), byte(c.B*255), text)
@@ -33,6 +34,7 @@ func (c Color) Fprint(writer io.Writer, text string) {
 func (c Color) Print(text string) {
 	if !Terminal {
 		fmt.Print(text)
+		return
 	}
 
 	fmt.Printf(format, byte(c.R*255), byte(c.G*255), byte(c.B*255), text)
@@ -42,6 +44,7 @@ func (c Color) Print(text string) {
 func (c Color) Println(text string) {
 	if !Terminal {
 		fmt.Println(text)
+		return
 	}
 
 	fmt.Printf(formatLine, byte(c.R*255), byte(c.G*255), byte(c.B*255), text)

Color_test.go

@@ -1,7 +1,7 @@
 package color_test
 
 import (
-	"os"
+	"io"
 	"testing"
 
 	"git.akyoto.dev/go/assert"
@@ -9,6 +9,16 @@ import (
 )
 
 func TestColors(t *testing.T) {
+	color.Terminal = true
+	testColors(t)
+}
+
+func TestNoColors(t *testing.T) {
+	color.Terminal = false
+	testColors(t)
+}
+
+func testColors(t *testing.T) {
 	colors := map[string]color.Color{
 		"black": color.RGB(0.0, 0.0, 0.0),
 		"white": color.RGB(1.0, 1.0, 1.0),
@@ -26,14 +36,8 @@ func TestColors(t *testing.T) {
 		assert.True(t, value.G <= 1.0)
 		assert.True(t, value.B <= 1.0)
 
-		color.Terminal = true
+		value.Fprint(io.Discard, name)
-		value.Fprint(os.Stdout, name)
 		value.Print(name)
 		value.Println(name)
-
-		color.Terminal = false
-		value.Fprint(os.Stdout, "-")
-		value.Print("-")
-		value.Println("-")
 	}
 }

README.md

@@ -16,7 +16,7 @@ go get git.akyoto.dev/go/color
 
 ```go
 red := color.RGB(1.0, 0.0, 0.0)
-fmt.Println(red.Format("red text"))
+red.Println("red text")
 ```
 
 ## Tests
@@ -29,8 +29,8 @@ coverage: 100.0% of statements
 ## Benchmarks
 
 ```
-BenchmarkRGB-12       	1000000000	         0.3131 ns/op	   0 B/op	       0 allocs/op
+BenchmarkRGB-12       	1000000000	         0.3139 ns/op       0 B/op       0 allocs/op
-BenchmarkFprint-12    	 6455497	       186.2 ns/op	       0 B/op	       0 allocs/op
+BenchmarkFprint-12    	25758495	        45.38 ns/op	        0 B/op       0 allocs/op
 ```
 
 ## License

Terminal.go

@@ -7,7 +7,7 @@ import (
 // These constants represent the escape codes needed to display color in terminals.
 const (
 	format     = "\x1b[38;2;%d;%d;%dm%s\x1b[0m"
-	formatLine = format + "\n"
+	formatLine = "\x1b[38;2;%d;%d;%dm%s\n\x1b[0m"
 )
 
 // Terminal is a boolean that indicates if we're in a terminal with truecolor support.