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

using ImageMagick;
using ImageMagick.Formats;
using Xunit;

namespace Magick.NET.Tests;

public partial class MagickImageCollectionTests
{
    public class TheToByteArrayMethod
    {
        [Fact]
        public void ShouldReturnImageWithTheSameFormat()
        {
            using var images = new MagickImageCollection(Files.RoseSparkleGIF);
            var data = images.ToByteArray();

            Assert.NotNull(data);
            Assert.Equal(9891, data.Length);

            images.Read(data);

            Assert.Equal(MagickFormat.Gif, images[0].Format);
        }

        [Fact]
        public void ShouldUseTheFormatOfTheDefines()
        {
            var defines = new TiffWriteDefines
            {
                PreserveCompression = true,
            };

            using var images = new MagickImageCollection(Files.RoseSparkleGIF);
            var data = images.ToByteArray(defines);

            Assert.NotNull(data);
            Assert.Equal(28316, data.Length);

            images.Read(data);

            Assert.Equal(MagickFormat.Tiff, images[0].Format);
        }

        [Fact]
        public void ShouldUseTheSpecifiedFormat()
        {
            using var images = new MagickImageCollection(Files.RoseSparkleGIF);
            var data = images.ToByteArray(MagickFormat.Tiff);

            Assert.NotNull(data);
            Assert.Equal(39494, data.Length);

            images.Read(data);

            Assert.Equal(MagickFormat.Tiff, images[0].Format);
        }
    }
}
