// Copyright Dirk Lemstra https://github.com/dlemstra/Magick.NET.
// Licensed under the Apache License, Version 2.0.

using ImageMagick;
using Xunit;

namespace Magick.NET.Tests;

public partial class MagickImageTests
{
    public class TheSetColormapColorMethod
    {
        [Fact]
        public void ShouldChangeTheColorAtTheSpecifiedIndex()
        {
            using var image = new MagickImage(Files.FujiFilmFinePixS1ProGIF);
            image.SetColormapColor(0, MagickColors.Fuchsia);

            ColorAssert.Equal(MagickColors.Fuchsia, image.GetColormapColor(0));
        }

        [Fact]
        public void ShouldNotThrowExceptionWhenImageHasNoColormap()
        {
            using var image = new MagickImage(Files.MagickNETIconPNG);
            image.SetColormapColor(0, MagickColors.Fuchsia);
        }

        [Fact]
        public void ShouldNotThrowExceptionWhenIndexIsOutOfRange()
        {
            using var image = new MagickImage(Files.FujiFilmFinePixS1ProGIF);
            image.SetColormapColor(65536, MagickColors.Fuchsia);

            Assert.Null(image.GetColormapColor(65536));
        }
    }
}
