add test for notSupported 64 bit cmyk, add more tests for Identify (incl 64 bit cmyk)

Author: IldarKhayrutdinov

tests/ImageSharp.Tests/Formats/Tiff/TiffDecoderTests.cs

@@ -25,6 +25,7 @@ public class TiffDecoderTests : TiffDecoderBaseTester
     [Theory]
     [WithFile(MultiframeDifferentSize, PixelTypes.Rgba32)]
     [WithFile(MultiframeDifferentVariants, PixelTypes.Rgba32)]
+    [WithFile(Cmyk64BitDeflate, PixelTypes.Rgba32)]
     public void ThrowsNotSupported<TPixel>(TestImageProvider<TPixel> provider)
         where TPixel : unmanaged, IPixel<TPixel> => Assert.Throws<NotSupportedException>(() => provider.GetImage(TiffDecoder.Instance));
 

tests/ImageSharp.Tests/Formats/Tiff/TiffMetadataTests.cs

@@ -110,8 +110,10 @@ public void Identify_DetectsCorrectByteOrder(string imagePath, ByteOrder expecte
     }
 
     [Theory]
-    [InlineData(Cmyk, 1, TiffPhotometricInterpretation.Separated, TiffInkSet.Cmyk)]
-    public void Identify_Frames(string imagePath, int framesCount, TiffPhotometricInterpretation photometric, TiffInkSet? inkSet)
+    [InlineData(Cmyk, 1, TiffBitsPerPixel.Bit32, TiffPhotometricInterpretation.Separated, TiffInkSet.Cmyk)]
+    [InlineData(Cmyk64BitDeflate, 1, 64, TiffPhotometricInterpretation.Separated, TiffInkSet.Cmyk)]
+    [InlineData(YCbCrJpegCompressed, 1, TiffBitsPerPixel.Bit24, TiffPhotometricInterpretation.YCbCr, null)]
+    public void Identify_Frames(string imagePath, int framesCount, TiffBitsPerPixel bitsPerPixel, TiffPhotometricInterpretation photometric, TiffInkSet? inkSet)
     {
         TestFile testFile = TestFile.Create(imagePath);
         using MemoryStream stream = new(testFile.Bytes, false);
@@ -127,6 +129,7 @@ public void Identify_Frames(string imagePath, int framesCount, TiffPhotometricIn
         foreach (ImageFrameMetadata metadata in imageInfo.FrameMetadataCollection)
         {
             TiffFrameMetadata tiffFrameMetadata = metadata.GetTiffMetadata();
+            Assert.Equal(bitsPerPixel, tiffFrameMetadata.BitsPerPixel);
             Assert.Equal(photometric, tiffFrameMetadata.PhotometricInterpretation);
             Assert.Equal(inkSet, tiffFrameMetadata.InkSet);
         }

tests/ImageSharp.Tests/TestImages.cs

@@ -762,6 +762,7 @@ public static class Tiff
         public const string Benchmark_RgbLzw = "medium_rgb_lzw.tiff";
         public const string Benchmark_RgbPackbits = "medium_rgb_packbits.tiff";
         public const string Benchmark_RgbUncompressed = "medium_rgb_uncompressed.tiff";
+        public const string Benchmark_CmykUncompressed = "medium_cmyk_uncompressed.tiff";
 
         public const string Calliphora_GrayscaleUncompressed = "Tiff/Calliphora_grayscale_uncompressed.tiff";
         public const string Calliphora_GrayscaleDeflate_Predictor = "Tiff/Calliphora_gray_deflate_predictor.tiff";
@@ -957,6 +958,7 @@ public static class Tiff
         public const string CieLabLzwPredictor = "Tiff/CieLab_lzwcompressed_predictor.tiff";
 
         public const string Cmyk = "Tiff/Cmyk.tiff";
+        public const string Cmyk64BitDeflate = "Tiff/cmyk_deflate_64bit.tiff";
 
         public const string Issues1716Rgb161616BitLittleEndian = "Tiff/Issues/Issue1716.tiff";
         public const string Issues1891 = "Tiff/Issues/Issue1891.tiff";

tests/Images/Input/Tiff/cmyk_deflate_64bit.tiff

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:45793bfd1c9e92910b5b38805499859c38bb2fa1a2ae0c22888c16cc88b25d23
+size 53002