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using MediaBrowser.Controller.Drawing;
using MediaBrowser.Model.Drawing;
using Xunit;
namespace Jellyfin.Controller.Tests.Drawing;
public static class ImageHelperTests
{
[Fact]
public static void GetNewImageSize_ExplicitSizeLargerThanSource_ClampsToSource()
{
// Regression test for https://github.com/jellyfin/jellyfin/issues/17056: the caller-supplied
// width/height were used verbatim, so a single request could ask for a 23100x23100 encode.
var options = new ImageProcessingOptions { Width = 23100, Height = 23100 };
var newSize = ImageHelper.GetNewImageSize(options, new ImageDimensions(600, 336));
Assert.Equal(336, newSize.Width);
Assert.Equal(336, newSize.Height);
}
[Fact]
public static void GetNewImageSize_WidthLargerThanSource_ClampsToSource()
{
var options = new ImageProcessingOptions { Width = 10000 };
var newSize = ImageHelper.GetNewImageSize(options, new ImageDimensions(600, 336));
Assert.Equal(600, newSize.Width);
Assert.Equal(336, newSize.Height);
}
[Fact]
public static void GetNewImageSize_FillLargerThanSource_ClampsToSource()
{
// ResizeFill already refused to upscale; this pins that behaviour.
var options = new ImageProcessingOptions { FillWidth = 23100, FillHeight = 23100 };
var newSize = ImageHelper.GetNewImageSize(options, new ImageDimensions(600, 336));
Assert.Equal(600, newSize.Width);
Assert.Equal(336, newSize.Height);
}
[Fact]
public static void GetNewImageSize_SmallerThanSource_StillDownscales()
{
var options = new ImageProcessingOptions { MaxWidth = 300 };
var newSize = ImageHelper.GetNewImageSize(options, new ImageDimensions(600, 336));
Assert.Equal(300, newSize.Width);
Assert.Equal(168, newSize.Height);
}
[Fact]
public static void GetNewImageSize_NoSizeRequested_ReturnsSource()
{
var newSize = ImageHelper.GetNewImageSize(new ImageProcessingOptions(), new ImageDimensions(600, 336));
Assert.Equal(600, newSize.Width);
Assert.Equal(336, newSize.Height);
}
}
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