From a0955875d82dcbe44acfc7f70e280f73683f27e6 Mon Sep 17 00:00:00 2001
From: Harald Kuhr <harald.kuhr@gmail.com>
Date: Fri, 26 Oct 2018 20:34:57 +0200
Subject: [PATCH] Test case for #446.

---
 .../plugins/tiff/TIFFImageReaderTest.java     | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java b/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java
index 077cd3f2..224c2b73 100644
--- a/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java
+++ b/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java
@@ -610,6 +610,31 @@ public class TIFFImageReaderTest extends ImageReaderAbstractTest<TIFFImageReader
         }
     }
 
+    @Test
+    public void testReadCMYKExtraSamples() throws IOException {
+        ImageReader reader = createReader();
+        try (ImageInputStream stream = ImageIO.createImageInputStream(getClassLoaderResource("/tiff/cmyk-with-non-alpha-extra-channel.tiff"))) {
+            reader.setInput(stream);
+
+            ImageReadParam param = reader.getDefaultReadParam();
+
+            BufferedImage image = null;
+            try {
+                image = reader.read(0, param);
+            }
+            catch (IOException e) {
+                failBecause("Image could not be read", e);
+            }
+
+            assertNotNull(image);
+            assertEquals(160, image.getWidth());
+            assertEquals(227, image.getHeight());
+
+            assertRGBEquals("Wrong RGB", 0xff1E769D, image.getRGB(0, 0), 4);
+            assertRGBEquals("Wrong RGB", 0xff1E769D, image.getRGB(159, 226), 4);
+        }
+    }
+
     @Test
     public void testReadWithSubsampleParamPixelsJPEG() throws IOException {
         // Tiled "new style" JPEG