test/jdk/javax/imageio/ImageTypeSpecifierBitsPerBand.java
changeset 47216 71c04702a3d5
parent 45351 f7f615a3aaff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/javax/imageio/ImageTypeSpecifierBitsPerBand.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 4392669
+ * @summary Checks contract of ImageTypeSpecifier.getBitsPerBand
+ */
+
+import java.awt.image.BufferedImage;
+
+import javax.imageio.ImageTypeSpecifier;
+
+public class ImageTypeSpecifierBitsPerBand {
+
+    public static void main(String[] args) {
+        int biType = BufferedImage.TYPE_USHORT_565_RGB;
+        ImageTypeSpecifier type =
+            ImageTypeSpecifier.createFromBufferedImageType(biType);
+
+        int b0 = type.getBitsPerBand(0);
+        int b1 = type.getBitsPerBand(1);
+        int b2 = type.getBitsPerBand(2);
+
+        if (b0 != 5 || b1 != 6 || b2 != 5) {
+            throw new RuntimeException("Got incorrect bits per band value!");
+        }
+
+        boolean gotIAE = false;
+        try {
+            int b3 = type.getBitsPerBand(3);
+        } catch (IllegalArgumentException e) {
+            gotIAE = true;
+        }
+        if (!gotIAE) {
+            throw new RuntimeException
+                ("Failed to get IllegalArgumentException for band == 3!");
+        }
+    }
+}