Add ICC reader tests

tests/ImageSharp.Tests/Metadata/Profiles/ICC/DataReader/IccDataReaderTests.cs

@@ -9,8 +9,5 @@ namespace SixLabors.ImageSharp.Tests.Metadata.Profiles.ICC.DataReader;
 public class IccDataReaderTests
 {
     [Fact]
-    public void ConstructorThrowsNullException()
-    {
-        Assert.Throws<ArgumentNullException>(() => new IccDataReader(null));
-    }
+    public void ConstructorThrowsNullException() => Assert.Throws<ArgumentNullException>(() => new IccDataReader(null));
 }

tests/ImageSharp.Tests/Metadata/Profiles/ICC/IccReaderTests.cs

@@ -2,6 +2,7 @@
 // Licensed under the Six Labors Split License.
 
 using SixLabors.ImageSharp.Metadata.Profiles.Icc;
+using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.TestDataIcc;
 
 namespace SixLabors.ImageSharp.Tests.Metadata.Profiles.Icc;
@@ -9,6 +10,27 @@ namespace SixLabors.ImageSharp.Tests.Metadata.Profiles.Icc;
 [Trait("Profile", "Icc")]
 public class IccReaderTests
 {
+    [Theory]
+    [WithFile(TestImages.Jpeg.ICC.AdobeRgb, PixelTypes.Rgb24, 10, IccColorSpaceType.Rgb, IccColorSpaceType.CieXyz, 560)]
+    [WithFile(TestImages.Jpeg.ICC.AppleRGB, PixelTypes.Rgb24, 10, IccColorSpaceType.Rgb, IccColorSpaceType.CieXyz, 552)]
+    [WithFile(TestImages.Jpeg.ICC.ColorMatch, PixelTypes.Rgb24, 10, IccColorSpaceType.Rgb, IccColorSpaceType.CieXyz, 560)]
+    [WithFile(TestImages.Jpeg.ICC.WideRGB, PixelTypes.Rgb24, 10, IccColorSpaceType.Rgb, IccColorSpaceType.CieXyz, 560)]
+    [WithFile(TestImages.Jpeg.ICC.SRgb, PixelTypes.Rgb24, 17, IccColorSpaceType.Rgb, IccColorSpaceType.CieXyz, 3144)]
+    [WithFile(TestImages.Jpeg.ICC.ProPhoto, PixelTypes.Rgb24, 12, IccColorSpaceType.Rgb, IccColorSpaceType.CieXyz, 940)]
+    [WithFile(TestImages.Jpeg.ICC.CMYK, PixelTypes.Rgb24, 10, IccColorSpaceType.Cmyk, IccColorSpaceType.CieLab, 557168)]
+    public void ReadProfile_Works<TPixel>(TestImageProvider<TPixel> provider, int expectedEntries, IccColorSpaceType expectedDataColorSpace, IccColorSpaceType expectedConnectionSpace, uint expectedDataSize)
+        where TPixel : unmanaged, IPixel<TPixel>
+    {
+        using Image<TPixel> image = provider.GetImage();
+        IccProfile profile = image.Metadata.IccProfile;
+
+        Assert.NotNull(profile);
+        Assert.Equal(expectedEntries, profile.Entries.Length);
+        Assert.Equal(expectedDataColorSpace, profile.Header.DataColorSpace);
+        Assert.Equal(expectedConnectionSpace, profile.Header.ProfileConnectionSpace);
+        Assert.Equal(expectedDataSize, profile.Header.Size);
+    }
+
     [Fact]
     public void ReadProfile_NoEntries()
     {