Update tests

tests/ImageSharp.Tests/Processing/Processors/Transforms/AffineTransformTests.cs

@@ -235,6 +235,36 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
             Assert.Equal(100, image.Height);
         }
 
+        [Theory]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32)]
+        public void Identity<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using Image<TPixel> image = provider.GetImage();
+
+            Matrix3x2 m = Matrix3x2.Identity;
+            Rectangle r = new(25, 25, 50, 50);
+            image.Mutate(x => x.Transform(r, m, new Size(100, 100), KnownResamplers.Bicubic));
+            image.DebugSave(provider);
+            image.CompareToReferenceOutput(ValidatorComparer, provider);
+        }
+
+        [Theory]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32, 0.0001F)]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32, 57F)]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32, 0F)]
+        public void Transform_With_Custom_Dimensions<TPixel>(TestImageProvider<TPixel> provider, float radians)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using Image<TPixel> image = provider.GetImage();
+
+            var m = Matrix3x2.CreateRotation(radians, new Vector2(50, 50));
+            Rectangle r = new(25, 25, 50, 50);
+            image.Mutate(x => x.Transform(r, m, new Size(100, 100), KnownResamplers.Bicubic));
+            image.DebugSave(provider, testOutputDetails: radians);
+            image.CompareToReferenceOutput(ValidatorComparer, provider, testOutputDetails: radians);
+        }
+
         private static IResampler GetResampler(string name)
         {
             PropertyInfo property = typeof(KnownResamplers).GetTypeInfo().GetProperty(name);

tests/ImageSharp.Tests/Processing/Transforms/ProjectiveTransformTests.cs

@@ -157,6 +157,36 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
             Assert.Equal(100, image.Height);
         }
 
+        [Theory]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32)]
+        public void Identity<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using Image<TPixel> image = provider.GetImage();
+
+            Matrix4x4 m = Matrix4x4.Identity;
+            Rectangle r = new(25, 25, 50, 50);
+            image.Mutate(x => x.Transform(r, m, new Size(100, 100), KnownResamplers.Bicubic));
+            image.DebugSave(provider);
+            image.CompareToReferenceOutput(ValidatorComparer, provider);
+        }
+
+        [Theory]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32, 0.0001F)]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32, 57F)]
+        [WithTestPatternImages(100, 100, PixelTypes.Rgba32, 0F)]
+        public void Transform_With_Custom_Dimensions<TPixel>(TestImageProvider<TPixel> provider, float radians)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using Image<TPixel> image = provider.GetImage();
+
+            Matrix4x4 m = Matrix4x4.CreateRotationX(radians, new Vector3(50, 50, 1F)) * Matrix4x4.CreateRotationY(radians, new Vector3(50, 50, 1F));
+            Rectangle r = new(25, 25, 50, 50);
+            image.Mutate(x => x.Transform(r, m, new Size(100, 100), KnownResamplers.Bicubic));
+            image.DebugSave(provider, testOutputDetails: radians);
+            image.CompareToReferenceOutput(ValidatorComparer, provider, testOutputDetails: radians);
+        }
+
         private static IResampler GetResampler(string name)
         {
             PropertyInfo property = typeof(KnownResamplers).GetTypeInfo().GetProperty(name);

tests/Images/External/ReferenceOutput/AffineTransformTests/Identity_Rgba32_TestPattern100x100.png

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+size 3564

tests/Images/External/ReferenceOutput/AffineTransformTests/Transform_With_Custom_Dimensions_Rgba32_TestPattern100x100_0.0001.png

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+size 3663

tests/Images/External/ReferenceOutput/AffineTransformTests/Transform_With_Custom_Dimensions_Rgba32_TestPattern100x100_0.png

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tests/Images/External/ReferenceOutput/AffineTransformTests/Transform_With_Custom_Dimensions_Rgba32_TestPattern100x100_57.png

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+size 5748

tests/Images/External/ReferenceOutput/ProjectiveTransformTests/Identity_Rgba32_TestPattern100x100.png

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+size 3564

tests/Images/External/ReferenceOutput/ProjectiveTransformTests/Transform_With_Custom_Dimensions_Rgba32_TestPattern100x100_0.0001.png

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tests/Images/External/ReferenceOutput/ProjectiveTransformTests/Transform_With_Custom_Dimensions_Rgba32_TestPattern100x100_0.png

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+size 3564

tests/Images/External/ReferenceOutput/ProjectiveTransformTests/Transform_With_Custom_Dimensions_Rgba32_TestPattern100x100_57.png

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