--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/imageio/AllowSearch.java Mon May 22 19:54:23 2017 -0700
@@ -0,0 +1,77 @@
+/*
+ * 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 4420318
+ * @summary Checks that an IllegalStateException is thrown by getNumImages(true)
+ * when seekForwardOnly is true
+ * @modules java.desktop/com.sun.imageio.plugins.gif
+ * java.desktop/com.sun.imageio.plugins.jpeg
+ * java.desktop/com.sun.imageio.plugins.png
+ */
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.stream.ImageInputStream;
+
+import com.sun.imageio.plugins.gif.GIFImageReader;
+import com.sun.imageio.plugins.jpeg.JPEGImageReader;
+import com.sun.imageio.plugins.png.PNGImageReader;
+
+public class AllowSearch {
+
+ private static void test(ImageReader reader, String format)
+ throws IOException {
+ File f = File.createTempFile("imageio", ".tmp");
+ ImageInputStream stream = ImageIO.createImageInputStream(f);
+ reader.setInput(stream, true);
+
+ boolean gotISE = false;
+ try {
+ int numImages = reader.getNumImages(true);
+ } catch (IOException ioe) {
+ gotISE = false;
+ } catch (IllegalStateException ise) {
+ gotISE = true;
+ }
+
+ if (!gotISE) {
+ throw new RuntimeException("Failed to get desired exception for " +
+ format + " reader!");
+ }
+ }
+
+ public static void main(String[] args) throws IOException {
+ ImageReader gifReader = new GIFImageReader(null);
+ ImageReader jpegReader = new JPEGImageReader(null);
+ ImageReader pngReader = new PNGImageReader(null);
+
+ test(gifReader, "GIF");
+ test(jpegReader, "JPEG");
+ test(pngReader, "PNG");
+ }
+}