// Copyright (c) Six Labors and contributors.
// Licensed under the Apache License, Version 2.0.

using SixLabors.ImageSharp.Formats.Gif;

using Xunit;

namespace SixLabors.ImageSharp.Tests.Formats.Gif
{
    public class GifLogicalScreenDescriptorTests
    {
        [Fact]
        public void TestPackedValue()
        {
            Assert.Equal(0, GifLogicalScreenDescriptor.GetPackedValue(false, 0, false, 0));
            Assert.Equal(128, GifLogicalScreenDescriptor.GetPackedValue(true, 0, false, 0)); // globalColorTableFlag
            Assert.Equal(8, GifLogicalScreenDescriptor.GetPackedValue(false, 0, true, 0)); // sortFlag
            Assert.Equal(48, GifLogicalScreenDescriptor.GetPackedValue(false, 3, false, 0));
            Assert.Equal(155, GifLogicalScreenDescriptor.GetPackedValue(true, 1, true, 3));
            Assert.Equal(55, GifLogicalScreenDescriptor.GetPackedValue(false, 3, false, 7));
        }
    }
}