a color type that actually works.

drawing/color_test.go

@@ -0,0 +1,41 @@
+package drawing
+
+import (
+	"testing"
+
+	"github.com/blendlabs/go-assert"
+)
+
+func TestColorFromHex(t *testing.T) {
+	assert := assert.New(t)
+
+	white := ColorFromHex("FFFFFF")
+	assert.Equal(ColorWhite, white)
+
+	shortWhite := ColorFromHex("FFF")
+	assert.Equal(ColorWhite, shortWhite)
+
+	black := ColorFromHex("000000")
+	assert.Equal(ColorBlack, black)
+
+	shortBlack := ColorFromHex("000")
+	assert.Equal(ColorBlack, shortBlack)
+
+	red := ColorFromHex("FF0000")
+	assert.Equal(ColorRed, red)
+
+	shortRed := ColorFromHex("F00")
+	assert.Equal(ColorRed, shortRed)
+
+	green := ColorFromHex("00FF00")
+	assert.Equal(ColorGreen, green)
+
+	shortGreen := ColorFromHex("0F0")
+	assert.Equal(ColorGreen, shortGreen)
+
+	blue := ColorFromHex("0000FF")
+	assert.Equal(ColorBlue, blue)
+
+	shortBlue := ColorFromHex("00F")
+	assert.Equal(ColorBlue, shortBlue)
+}