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using MediaBrowser.Model.Drawing;
using Xunit;
namespace Jellyfin.Model.Drawing;
public static class DrawingUtilsTests
{
[Theory]
// Already inside the box, returned untouched.
[InlineData(600, 336, 1920, 1080, 600, 336)]
[InlineData(1920, 1080, 1920, 1080, 1920, 1080)]
// Scaled down uniformly, requested aspect ratio preserved.
[InlineData(23100, 23100, 1920, 1080, 1080, 1080)]
[InlineData(3840, 2160, 1920, 1080, 1920, 1080)]
[InlineData(1200, 400, 600, 336, 600, 200)]
// Extreme ratios still produce at least one pixel per axis.
[InlineData(10000, 1, 100, 100, 100, 1)]
// Degenerate inputs are passed through rather than dividing by zero.
[InlineData(600, 336, 0, 0, 600, 336)]
[InlineData(0, 0, 1920, 1080, 0, 0)]
public static void ScaleDownToFit_Bounds_WithoutUpscaling(int width, int height, int boxWidth, int boxHeight, int expectedWidth, int expectedHeight)
{
var scaled = DrawingUtils.ScaleDownToFit(new ImageDimensions(width, height), new ImageDimensions(boxWidth, boxHeight));
Assert.Equal(expectedWidth, scaled.Width);
Assert.Equal(expectedHeight, scaled.Height);
}
}
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