--- /dev/null 2017-12-14 09:28:16.339183000 +0530 +++ new/test/jdk/javax/imageio/plugins/png/PngReaderLargeWidthStrideTest.java 2017-12-14 13:20:55.976997340 +0530 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 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 8191174 + * @summary Test verifies that PNGImageReader doesn't throw undocumented + * IllegalArgumentExcpetion because of faulty calculation of + * scanline stride in PNGImageReader. + * @run main PngReaderLargeWidthStrideTest + */ + +import java.io.ByteArrayInputStream; +import java.io.InputStream; +import java.util.Base64; +import javax.imageio.IIOException; +import javax.imageio.ImageIO; + +public class PngReaderLargeWidthStrideTest { + + private static String inputImageBase64 = "iVBORw0KGgoAAAANSUhEUk////8AAAA" + + "BCAAAAAA6fptVAAAACklEQVQYV2P4DwABAQEAWk1v8QAAAABJRU5ErkJgggo="; + + public static void main(String[] args) throws Exception { + + byte[] inputBytes = Base64.getDecoder().decode(inputImageBase64); + InputStream in = new ByteArrayInputStream(inputBytes); + + try { + ImageIO.read(in); + } catch (IIOException e) { + /* + * We expect it to throw OutOfMemoryError wrapped inside + * IIOException with OutOfMemoryError message "Java heap space". + * If it throws any other IIOException or any other Exception + * test will fail. + */ + Throwable cause = e.getCause(); + if (cause == null || + (!(cause.getMessage().equals("Java heap space")))) + { + throw e; + } + } + } +} +