Added unit tests for #1210.

dlemstra · Jul 11, 2022 · a46787f · a46787f
1 parent b721c4d
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diff --git a/tests/Magick.NET.Tests/Coders/ThePdfCoder.cs b/tests/Magick.NET.Tests/Coders/ThePdfCoder.cs
@@ -1,6 +1,7 @@
 // Copyright Dirk Lemstra https://github.com/dlemstra/Magick.NET.
 // Licensed under the Apache License, Version 2.0.
 
+using System.IO;
 using System.Threading.Tasks;
 using ImageMagick;
 using Xunit;
@@ -37,5 +38,26 @@ public void ShouldReadFileMultithreadedCorrectly()
                 results[i].Wait();
             }
         }
+
+        [Fact]
+        public void ShouldWriteTiffImageInCorrectColor()
+        {
+            if (!Ghostscript.IsAvailable)
+                return;
+
+            using (var input = new MagickImage(Files.Coders.PixelTIF))
+            {
+                using (var memorystream = new MemoryStream())
+                {
+                    input.Write(memorystream, MagickFormat.Tiff);
+                    memorystream.Position = 0;
+
+                    using (var output = new MagickImage(memorystream))
+                    {
+                        ColorAssert.Equal(MagickColors.White, output, 0, 0);
+                    }
+                }
+            }
+        }
     }
 }
diff --git a/tests/Magick.NET.Tests/Images/Coders/Pixel.tif b/tests/Magick.NET.Tests/Images/Coders/Pixel.tif
diff --git a/tests/Shared/Files.cs b/tests/Shared/Files.cs
@@ -151,6 +151,9 @@ public static string PageTIF
             public static string PdfExamplePasswordOriginalPDF
                 => Root + @"Images/Coders/pdf-example-password.original.pdf";
 
+            public static string PixelTIF
+                => Root + @"Images/Coders/Pixel.tif";
+
             public static string PlayerPSD
                 => Root + @"Images/Coders/Player.psd";