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 // Symbol table references should be different 72 Assert.assertNotSame(symTable1, symTable2, "Symbol table references"); 73 } 74 75 // Symbol table property 76 private static final String SYMBOL_TABLE_PROPERTY = "http://apache.org/xml/properties/internal/symbol-table"; 77 78 } | 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 static jaxp.library.JAXPTestUtilities.runWithAllPerm; 27 28 import java.io.StringReader; 29 30 import javax.xml.parsers.SAXParser; 31 import javax.xml.parsers.SAXParserFactory; 32 33 import org.testng.Assert; 34 import org.testng.annotations.Listeners; 35 import org.testng.annotations.Test; 36 import org.xml.sax.InputSource; 37 import org.xml.sax.helpers.DefaultHandler; 38 39 /* 40 * @test 41 * @bug 8173390 8176168 42 * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest 43 * @run testng/othervm -Djdk.xml.resetSymbolTable=false sax.SymbolTableResetTest 44 * @run testng/othervm -Djdk.xml.resetSymbolTable=true sax.SymbolTableResetTest 45 * @run testng/othervm -Djdk.xml.resetSymbolTable=false -DrunSecMngr=true sax.SymbolTableResetTest 46 * @run testng/othervm -Djdk.xml.resetSymbolTable=true -DrunSecMngr=true sax.SymbolTableResetTest 47 * @summary Test that SAXParser reallocates symbol table during 48 * subsequent parse operations 49 */ 50 @Listeners({jaxp.library.BasePolicy.class}) 51 public class SymbolTableResetTest { 52 53 /* 54 * Test verifies the following use cases when the parser feature is not set: 55 * a) Reset symbol table is requested via the system property 56 * b) Reset symbol table is not requested via the system property 57 * and therefore the default value should be used - reset 58 * operation should not occur. 59 */ 60 @Test 61 public void testNoFeatureSet() throws Exception { 62 parseAndCheckReset(false, false); 63 } 64 65 66 /* 67 * Test that when symbol table reset is requested through parser 68 * feature it is not affected by the system property value 69 */ 70 @Test 71 public void testResetEnabled() throws Exception { 72 parseAndCheckReset(true, true); 73 } 74 75 /* 76 * Test that when symbol table reset is disabled through parser 77 * feature it is not affected by the system property value 78 */ 79 @Test 80 public void testResetDisabled() throws Exception { 81 parseAndCheckReset(true, false); 82 } 83 84 /* 85 * Test mimics the SAXParser usage in SAAJ-RI that reuses the 86 * parsers from the internal pool. To avoid memory leaks, symbol 87 * table associated with the parser should be reallocated during each 88 * parse() operation. 89 */ 90 private void parseAndCheckReset(boolean setFeature, boolean value) throws Exception { 91 // Expected result based on system property and feature 92 boolean resetExpected = setFeature && value; 93 // Indicates if system property is set 94 boolean spSet = runWithAllPerm(() -> System.getProperty(RESET_FEATURE)) != null; 95 // Dummy xml input for parser 96 String input = "<dummy>Test</dummy>"; 97 98 // Check if system property is set only when feature setting is not requested 99 // and estimate if reset of symbol table is expected 100 if (!setFeature && spSet) { 101 resetExpected = runWithAllPerm(() -> Boolean.getBoolean(RESET_FEATURE)); 102 } 103 104 // Create SAXParser and set feature if it is requested 105 SAXParserFactory spf = SAXParserFactory.newInstance(); 106 if (setFeature) { 107 spf.setFeature(RESET_FEATURE, value); 108 } 109 SAXParser p = spf.newSAXParser(); 110 111 // First parse iteration 112 p.parse(new InputSource(new StringReader(input)), new DefaultHandler()); 113 // Get first symbol table reference 114 Object symTable1 = p.getProperty(SYMBOL_TABLE_PROPERTY); 115 116 // reset parser 117 p.reset(); 118 119 // Second parse iteration 120 p.parse(new InputSource(new StringReader(input)), new DefaultHandler()); 121 // Get second symbol table reference 122 Object symTable2 = p.getProperty(SYMBOL_TABLE_PROPERTY); 123 124 // Check symbol table references after two subsequent parse operations 125 if (resetExpected) { 126 Assert.assertNotSame(symTable1, symTable2, "Symbol table references"); 127 } else { 128 Assert.assertSame(symTable1, symTable2, "Symbol table references"); 129 } 130 } 131 132 // Reset symbol table feature 133 private static final String RESET_FEATURE = "jdk.xml.resetSymbolTable"; 134 135 // Symbol table property 136 private static final String SYMBOL_TABLE_PROPERTY = "http://apache.org/xml/properties/internal/symbol-table"; 137 } |