test/jdk/javax/imageio/ImageStreamFromRAF.java
changeset 47216 71c04702a3d5
parent 45351 f7f615a3aaff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/javax/imageio/ImageStreamFromRAF.java	Tue Sep 12 19:03:39 2017 +0200
@@ -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 4395378
+ * @summary Checks that ImageIO.createImageInputStream and
+ *          createImageOutputStream produce correct output when given a
+ *          RandomAccessFile
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+
+import javax.imageio.ImageIO;
+import javax.imageio.stream.FileImageInputStream;
+import javax.imageio.stream.FileImageOutputStream;
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.ImageOutputStream;
+
+public class ImageStreamFromRAF {
+
+    public static void main(String[] args) {
+        try {
+            File f = new File("ImageInputStreamFromRAF.tmp");
+            RandomAccessFile raf = new RandomAccessFile(f, "rw");
+            ImageInputStream istream = ImageIO.createImageInputStream(raf);
+            ImageOutputStream ostream = ImageIO.createImageOutputStream(raf);
+            f.delete();
+            if (istream == null) {
+                throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) returned null!");
+            }
+            if (ostream == null) {
+                throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) returned null!");
+            }
+            if (!(istream instanceof FileImageInputStream)) {
+                throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) did not return a FileImageInputStream!");
+            }
+            if (!(ostream instanceof FileImageOutputStream)) {
+                throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) did not return a FileImageOutputStream!");
+            }
+        } catch (IOException ioe) {
+            throw new RuntimeException("Unexpected IOException: " + ioe);
+        }
+    }
+}