1 /*
   2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package transform;
  25 
  26 import java.io.IOException;
  27 
  28 import javax.xml.transform.TransformerConfigurationException;
  29 import javax.xml.transform.TransformerFactory;
  30 import javax.xml.transform.sax.SAXTransformerFactory;
  31 import javax.xml.transform.sax.TransformerHandler;
  32 import javax.xml.transform.stream.StreamResult;
  33 
  34 import org.testng.Assert;
  35 import org.testng.annotations.Listeners;
  36 import org.testng.annotations.Test;
  37 import org.xml.sax.SAXException;
  38 
  39 /*
  40  * @test
  41  * @bug 6883209
  42  * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
  43  * @run testng/othervm -DrunSecMngr=true transform.OpenJDK100017Test
  44  * @run testng/othervm transform.OpenJDK100017Test
  45  * @summary Test XSLT won't cause StackOverflow when it handle many characters.
  46  */
  47 @Listeners({jaxp.library.BasePolicy.class})
  48 public class OpenJDK100017Test {
  49 
  50     @Test
  51     public final void testXMLStackOverflowBug() throws TransformerConfigurationException, IOException, SAXException {
  52         try {
  53             SAXTransformerFactory stf = (SAXTransformerFactory) TransformerFactory.newInstance();
  54             TransformerHandler ser = stf.newTransformerHandler();
  55             ser.setResult(new StreamResult(System.out));
  56 
  57             StringBuilder sb = new StringBuilder(4096);
  58             for (int x = 4096; x > 0; x--) {
  59                 sb.append((char) x);
  60             }
  61             ser.characters(sb.toString().toCharArray(), 0, sb.toString().toCharArray().length);
  62             ser.endDocument();
  63         } catch (StackOverflowError se) {
  64             se.printStackTrace();
  65             Assert.fail("StackOverflow");
  66         }
  67     }
  68 }
  69