package colors

import (
	"image/color"
	"reflect"
	"testing"
)

func TestFromInt(t *testing.T) {
	type args struct {
		in int32
	}
	tests := []struct {
		name string
		args args
		want color.Color
	}{
		{
			name: "black",
			args: args{
				in: 0x000000,
			},
			want: color.RGBA{
				0, 0, 0, 0xff,
			},
		},
		{
			name: "red",
			args: args{
				in: 0xff0000,
			},
			want: color.RGBA{
				0xff, 0, 0, 0xff,
			},
		},
		{
			name: "green",
			args: args{
				in: 0x00ff00,
			},
			want: color.RGBA{
				0, 0xff, 0, 0xff,
			},
		},
		{
			name: "blue",
			args: args{
				in: 0x0000ff,
			},
			want: color.RGBA{
				0, 0, 0xff, 0xff,
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := FromInt(tt.args.in); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("FromInt() = %v, want %v", got, tt.want)
			}
		})
	}
}