--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/javax/imageio/ImageCompressionTypesTest.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2016, 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 6294607
+ * @summary Test verifies whether ImageWriteParam.getCompressionTypes()
+ * returns any duplicate compression type for ImageIO plugins.
+ * @run main ImageCompressionTypesTest
+ */
+
+import java.util.Iterator;
+import javax.imageio.ImageIO;
+import javax.imageio.ImageWriteParam;
+import javax.imageio.ImageWriter;
+
+public class ImageCompressionTypesTest {
+
+ static ImageWriter writer = null;
+
+ public ImageCompressionTypesTest(String format) {
+ Iterator it = ImageIO.getImageWritersByFormatName(format);
+ while (it.hasNext()) {
+ writer = (ImageWriter) it.next();
+ break;
+ }
+ ImageWriteParam param = writer.getDefaultWriteParam();
+
+ param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
+ System.out.println("Checking compression types for : " + format);
+ String compTypes[] = param.getCompressionTypes();
+ if (compTypes.length > 1) {
+ for (int i = 0; i < compTypes.length; i++) {
+ for (int j = i + 1; j < compTypes.length; j++) {
+ if (compTypes[i].equalsIgnoreCase(compTypes[j])) {
+ throw new RuntimeException("Duplicate compression"
+ + " type exists for image format " + format);
+ }
+ }
+ }
+ }
+ }
+
+ public static void main(String args[]) {
+ final String[] formats = {"bmp", "png", "gif", "jpg", "tiff"};
+ for (String format : formats) {
+ new ImageCompressionTypesTest(format);
+ }
+ }
+}
+