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 parsers;
  25 
  26 import java.io.StringReader;
  27 
  28 import javax.xml.parsers.SAXParser;
  29 import javax.xml.parsers.SAXParserFactory;
  30 
  31 import org.testng.Assert;
  32 import org.testng.annotations.Listeners;
  33 import org.testng.annotations.Test;
  34 import org.xml.sax.InputSource;
  35 import org.xml.sax.helpers.DefaultHandler;
  36 
  37 /*
  38  * @test
  39  * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
  40  * @run testng/othervm -DrunSecMngr=true parsers.ParseEmptyStream
  41  * @run testng/othervm parsers.ParseEmptyStream
  42  * @summary Test SAXParser doesn't accept empty stream.
  43  */
  44 @Listeners({jaxp.library.BasePolicy.class})
  45 public class ParseEmptyStream {
  46 
  47     SAXParserFactory factory = null;
  48 
  49     public ParseEmptyStream(String name) {
  50         try {
  51             factory = SAXParserFactory.newInstance();
  52             factory.setNamespaceAware(true);
  53         } catch (Exception ex) {
  54             Assert.fail(ex.getMessage());
  55         }
  56     }
  57 
  58     @Test
  59     public void testEmptyStream() {
  60         try {
  61             SAXParser parser = factory.newSAXParser();
  62             InputSource source = new InputSource(new StringReader(""));
  63             parser.parse(source, new MyHandler());
  64             Assert.fail("Inputstream without document element accepted");
  65         } catch (Exception ex) {
  66             System.out.println("Exception thrown: " + ex.getMessage());
  67             // Premature end of file exception expected
  68         }
  69     }
  70 
  71     @Test
  72     public void testXmlDeclOnly() {
  73         try {
  74             SAXParser parser = factory.newSAXParser();
  75             InputSource source = new InputSource(new StringReader("<?xml version='1.0' encoding='utf-8'?>"));
  76             parser.parse(source, new MyHandler());
  77             Assert.fail("Inputstream without document element accepted");
  78         } catch (Exception ex) {
  79             System.out.println("Exception thrown: " + ex.getMessage());
  80             // Premature end of file exception expected
  81         }
  82     }
  83 
  84     static class MyHandler extends DefaultHandler {
  85         public void startDocument() {
  86             System.out.println("Start document called");
  87         }
  88 
  89         public void endDocument() {
  90             System.out.println("End document called");
  91         }
  92     }
  93 
  94 }
  95