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// Copyright 2015 The TCell Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use file except in compliance with the License.
// You may obtain a copy of the license at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tcell
import (
"testing"
. "github.com/smartystreets/goconvey/convey"
)
func TestColor(t *testing.T) {
pal := []Color{}
for i := 0; i < 255; i++ {
pal = append(pal, Color(i))
}
Convey("Color values are correct", t, func() {
So(ColorRed.Hex(), ShouldEqual, 0x00FF0000)
So(ColorGreen.Hex(), ShouldEqual, 0x00008000)
So(ColorLime.Hex(), ShouldEqual, 0x0000FF00)
So(ColorBlue.Hex(), ShouldEqual, 0x000000FF)
So(ColorBlack.Hex(), ShouldEqual, 0x00000000)
So(ColorWhite.Hex(), ShouldEqual, 0x00FFFFFF)
So(ColorSilver.Hex(), ShouldEqual, 0x00C0C0C0)
})
Convey("Color fitting from 16 colors to 8 colors works", t, func() {
for i := 0; i < 7; i++ {
So(FindColor(Color(i), pal[:8]), ShouldEqual, Color(i))
}
// Grey is closest to Silver
So(FindColor(Color(8), pal[:8]), ShouldEqual, Color(7))
for i := 9; i < 16; i++ {
So(FindColor(Color(i), pal[:8]), ShouldEqual, Color(i%8))
}
})
Convey("Color lookups by name work", t, func() {
So(GetColor("red"), ShouldEqual, ColorRed)
So(GetColor("#FF0000").Hex(), ShouldEqual, ColorRed.Hex())
So(GetColor("black"), ShouldEqual, ColorBlack)
So(GetColor("orange"), ShouldEqual, ColorOrange)
})
Convey("Color imperfect fit works", t, func() {
So(FindColor(ColorOrangeRed, pal[:16]), ShouldEqual, ColorRed)
So(FindColor(ColorAliceBlue, pal[:16]), ShouldEqual, ColorWhite)
So(FindColor(ColorPink, pal), ShouldEqual, Color217)
So(FindColor(ColorSienna, pal), ShouldEqual, Color173)
So(FindColor(GetColor("#00FD00"), pal), ShouldEqual, ColorLime)
})
Convey("Color RGB breakdown works", t, func() {
r, g, b := GetColor("#112233").RGB()
So(r, ShouldEqual, 0x11)
So(g, ShouldEqual, 0x22)
So(b, ShouldEqual, 0x33)
})
}
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