87 lines
3.1 KiB
Java
87 lines
3.1 KiB
Java
/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8190332
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* @summary Test verifies whether PNGImageReader throws IIOException
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* or not when IHDR width value is very high.
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* @run main PngLargeIHDRDimensionTest
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*/
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import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import java.util.Base64;
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import javax.imageio.IIOException;
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import javax.imageio.ImageIO;
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public class PngLargeIHDRDimensionTest {
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/*
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* IHDR width is very large and when we try to create buffer to store
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* image information of each row it overflows and we get
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* NegativeArraySizeException without the fix for this bug.
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*/
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private static String negativeArraySizeExceptionInput = "iVBORw0KGgoAAAANS"
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+ "UhEUg////0AAAABEAIAAAA6fptVAAAACklEQVQYV2P4DwABAQEAWk1v8QAAAAB"
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+ "JRU5ErkJgggo=";
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/*
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* IHDR width is ((2 to the power of 31) - 2), which is the maximum VM
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* limit to create an array we get OutOfMemoryError without the fix
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* for this bug.
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*/
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private static String outOfMemoryErrorInput = "iVBORw0KGgoAAAANSUhEUgAAAAF/"
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+ "///+CAAAAAA6fptVAAAACklEQVQYV2P4DwABAQEAWk1v8QAAAABJRU5"
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+ "ErkJgggo=";
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private static InputStream input;
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private static Boolean firstTestFailed = true, secondTestFailed = true;
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public static void main(String[] args) throws java.io.IOException {
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byte[] inputBytes = Base64.getDecoder().
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decode(negativeArraySizeExceptionInput);
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input = new ByteArrayInputStream(inputBytes);
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try {
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ImageIO.read(input);
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} catch (IIOException e) {
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firstTestFailed = false;
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}
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inputBytes = Base64.getDecoder().decode(outOfMemoryErrorInput);
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input = new ByteArrayInputStream(inputBytes);
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try {
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ImageIO.read(input);
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} catch (IIOException e) {
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secondTestFailed = false;
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}
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if (firstTestFailed || secondTestFailed) {
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throw new RuntimeException("Test doesn't throw required"
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+ " IIOException");
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}
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}
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}
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