ImageSharp/tests/ImageSharp.Tests/Image/ImageTests.Load_FromStream_ThrowsRightException.cs

// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.

using System;
using System.IO;
using SixLabors.ImageSharp.Formats;
using SixLabors.ImageSharp.PixelFormats;

using Xunit;

namespace SixLabors.ImageSharp.Tests
{
    public partial class ImageTests
    {
        public class Load_FromStream_Throws : IDisposable
        {
            private static readonly byte[] Data = new byte[] { 0x01 };

            private MemoryStream Stream { get; } = new MemoryStream(Data);

            [Fact]
            public void Image_Load_Throws_UnknownImageFormatException()
                => Assert.Throws<UnknownImageFormatException>(() =>
                {
                    using (Image.Load(DecoderOptions.Default, this.Stream, out IImageFormat format))
                    {
                    }
                });

            [Fact]
            public void Image_Load_T_Throws_UnknownImageFormatException()
                => Assert.Throws<UnknownImageFormatException>(() =>
                {
                    using (Image.Load<Rgba32>(DecoderOptions.Default, this.Stream, out IImageFormat format))
                    {
                    }
                });

            public void Dispose() => this.Stream?.Dispose();
        }
    }
}