report problem files

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

@@ -12,6 +12,7 @@ using SixLabors.ImageSharp.PixelFormats;
 using Xunit;
 
 using static SixLabors.ImageSharp.Tests.TestImages.BigTiff;
+using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Tiff
 {
@@ -30,7 +31,6 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff
         [WithFile(BigTIFFSubIFD8, PixelTypes.Rgba32)]
         [WithFile(Indexed4_Deflate, PixelTypes.Rgba32)]
         [WithFile(Indexed8_LZW, PixelTypes.Rgba32)]
-        [WithFile(RLE, PixelTypes.Rgba32)]
         public void TiffDecoder_CanDecode<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel> => TestTiffDecoder(provider);
 
@@ -39,6 +39,12 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff
         public void ThrowsNotSupported<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel> => Assert.Throws<NotSupportedException>(() => provider.GetImage(TiffDecoder));
 
+        [Theory]
+        [WithFile(MinInWhite_RLE, PixelTypes.Rgba32)]
+        [WithFile(MinInBlack_RLE, PixelTypes.Rgba32)]
+        public void ProblemFiles<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : unmanaged, IPixel<TPixel> => Assert.Throws<ImageDifferenceIsOverThresholdException>(() => TestTiffDecoder(provider));
+
         [Theory]
         [InlineData(BigTIFF, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)]
         [InlineData(BigTIFFLong, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)]
@@ -49,7 +55,8 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff
         [InlineData(BigTIFFSubIFD8, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)]
         [InlineData(Indexed4_Deflate, 4, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)]
         [InlineData(Indexed8_LZW, 8, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)]
-        [InlineData(RLE, 1, 32, 32, 96, 96, PixelResolutionUnit.PixelsPerInch)]
+        [InlineData(MinInWhite_RLE, 1, 32, 32, 96, 96, PixelResolutionUnit.PixelsPerInch)]
+        [InlineData(MinInBlack_RLE, 1, 32, 32, 96, 96, PixelResolutionUnit.PixelsPerInch)]
         public void Identify(string imagePath, int expectedPixelSize, int expectedWidth, int expectedHeight, double expectedHResolution, double expectedVResolution, PixelResolutionUnit expectedResolutionUnit)
         {
             var testFile = TestFile.Create(imagePath);

tests/ImageSharp.Tests/TestImages.cs

@@ -689,7 +689,8 @@ namespace SixLabors.ImageSharp.Tests
 
             public const string Indexed4_Deflate = Base + "BigTIFF_Indexed4_Deflate.tif";
             public const string Indexed8_LZW = Base + "BigTIFF_Indexed8_LZW.tif";
-            public const string RLE = Base + "BigTIFF_RLE.tif";
+            public const string MinInWhite_RLE = Base + "BigTIFF_MinInWhite_RLE.tif";
+            public const string MinInBlack_RLE = Base + "BigTIFF_MinInBlack_RLE.tif";
         }
     }
 }

tests/Images/Input/Tiff/BigTiff/BigTIFF_MinInWhite_RLE.tif

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:038a298bcace02810054af650f490b6858863c8755e41b786605aa807b43350a
+size 509