public void ApplyColorMap()
        {
            var buffer = new ConsoleBuffer(2);

            buffer.ApplyBackgroundColorMap(new Rect(0, 0, 1, 1), ColorMaps.Invert);
            buffer.ApplyForegroundColorMap(new Rect(1, 0, 1, 1), ColorMaps.Invert);

            buffer.GetLine(0).Should().Equal(
                new ConsoleChar {
                BackgroundColor = White
            },
                new ConsoleChar {
                ForegroundColor = White
            });
        }
        public void ApplyColorMap ()
        {
            var buffer = new ConsoleBuffer(2);

            buffer.ApplyBackgroundColorMap(new Rect(0, 0, 1, 1), ColorMaps.Invert);
            buffer.ApplyForegroundColorMap(new Rect(1, 0, 1, 1), ColorMaps.Invert);

            buffer.GetLine(0).Should().Equal(
                new ConsoleChar { BackgroundColor = White },
                new ConsoleChar { ForegroundColor = White });
        }