1 /*
   2  * Copyright (c) 2017, 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 sax;
  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  * @bug 8173390
  40  * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
  41  * @run testng/othervm -DrunSecMngr=true sax.SymbolTableResetTest
  42  * @run testng/othervm sax.SymbolTableResetTest
  43  * @summary Test that SAXParser reallocates symbol table during
  44  *          subsequent parse operations
  45  */
  46 @Listeners({jaxp.library.BasePolicy.class})
  47 public class SymbolTableResetTest {
  48 
  49     /*
  50      * Test mimics the SAXParser usage in SAAJ-RI that reuses the
  51      * parsers from the internal pool. To avoid memory leaks, symbol
  52      * table associated with the parser should be reallocated during each
  53      * parse() operation.
  54      */
  55     @Test
  56     public void testReset() throws Exception {
  57         // Dummy xml input for parser
  58         String input = "<dummy>Test</dummy>";
  59         // Create SAXParser
  60         SAXParserFactory  spf = SAXParserFactory.newInstance();
  61         SAXParser p = spf.newSAXParser();
  62         // First parse iteration
  63         p.parse(new InputSource(new StringReader(input)), new DefaultHandler());
  64         // Get first symbol table reference
  65         Object symTable1 = p.getProperty(SYMBOL_TABLE_PROPERTY);
  66         p.reset();
  67         // Second parse iteration
  68         p.parse(new InputSource(new StringReader(input)), new DefaultHandler());
  69         // Get second symbol table reference
  70         Object symTable2 = p.getProperty(SYMBOL_TABLE_PROPERTY);
  71         // Output symbol table references to log
  72         System.out.println("Symbol table reference after first parse operation:"+symTable1);
  73         System.out.println("Symbol table reference after second parse operation:"+symTable2);
  74         // Symbol table references should be different
  75         Assert.assertNotEquals(symTable1, symTable2, "Symbol table refence is the same");
  76     }
  77 
  78     // Symbol table property
  79     private static final String SYMBOL_TABLE_PROPERTY = "http://apache.org/xml/properties/internal/symbol-table";
  80 
  81 }