jdk/test/javax/imageio/PNGSpiStreamMetadata.java
changeset 45351 f7f615a3aaff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/imageio/PNGSpiStreamMetadata.java	Mon May 22 19:54:23 2017 -0700
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2001, 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 4403355
+ * @summary Checks that PNGImage{Reader,Writer}Spi.getStreamMetadataFormatNames
+ *          and getNativeStreamMetadataFormatName return null
+ * @modules java.desktop/com.sun.imageio.plugins.png
+ */
+
+import javax.imageio.spi.ImageReaderSpi;
+import javax.imageio.spi.ImageWriterSpi;
+
+import com.sun.imageio.plugins.png.PNGImageReaderSpi;
+import com.sun.imageio.plugins.png.PNGImageWriterSpi;
+
+public class PNGSpiStreamMetadata {
+
+    private static void fatal() {
+        throw new RuntimeException("Got a non-null stream metadata format!");
+    }
+
+    public static void main(String[] args) {
+        ImageReaderSpi rspi = new PNGImageReaderSpi();
+        if (rspi.getNativeStreamMetadataFormatName() != null) {
+            fatal();
+        }
+        if (rspi.isStandardStreamMetadataFormatSupported() != false) {
+            fatal();
+        }
+        if (rspi.getExtraStreamMetadataFormatNames() != null) {
+            fatal();
+        }
+
+        ImageWriterSpi wspi = new PNGImageWriterSpi();
+        if (wspi.getNativeStreamMetadataFormatName() != null) {
+            fatal();
+        }
+        if (wspi.isStandardStreamMetadataFormatSupported() != false) {
+            fatal();
+        }
+        if (wspi.getExtraStreamMetadataFormatNames() != null) {
+            fatal();
+        }
+    }
+}