1 /* 2 * Copyright (c) 2014, 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 javax.xml.parsers; 25 26 import java.io.FileOutputStream; 27 import java.util.ArrayList; 28 29 import org.testng.Assert; 30 import org.testng.annotations.Test; 31 32 import com.sun.org.apache.bcel.internal.classfile.ClassParser; 33 import com.sun.org.apache.bcel.internal.classfile.ConstantClass; 34 import com.sun.org.apache.bcel.internal.classfile.ConstantPool; 35 import com.sun.org.apache.bcel.internal.classfile.ConstantUtf8; 36 import com.sun.org.apache.bcel.internal.classfile.JavaClass; 37 import com.sun.org.apache.bcel.internal.classfile.Method; 38 import com.sun.org.apache.bcel.internal.generic.ClassGen; 39 import com.sun.org.apache.bcel.internal.generic.MethodGen; 40 41 /* 42 * @bug 8003147 43 * @summary Test port fix for BCEL bug 39695. 44 */ 45 public class Bug8003147Test { 46 47 @Test 48 public void test() throws Exception { 49 String classfile = getClass().getResource("Bug8003147Test.class").getPath(); 50 JavaClass jc = new ClassParser(classfile).parse(); 51 // rename class 52 ConstantPool cp = jc.getConstantPool(); 53 int cpIndex = ((ConstantClass) cp.getConstant(jc.getClassNameIndex())).getNameIndex(); 54 cp.setConstant(cpIndex, new ConstantUtf8("javax/xml/parsers/Bug8003147TestPrime")); 55 ClassGen gen = new ClassGen(jc); 56 Method[] methods = jc.getMethods(); 57 int index; 58 for (index = 0; index < methods.length; index++) { 59 if (methods[index].getName().equals("doSomething")) { 60 break; 61 } 62 } 63 Method m = methods[index]; 64 MethodGen mg = new MethodGen(m, gen.getClassName(), gen.getConstantPool()); 65 gen.replaceMethod(m, mg.getMethod()); 66 String path = classfile.replace("Bug8003147Test", "Bug8003147TestPrime"); 67 gen.getJavaClass().dump(new FileOutputStream(path)); 68 69 try { 70 Class.forName("javax.xml.parsers.Bug8003147TestPrime"); 71 } catch (ClassFormatError cfe) { 72 cfe.printStackTrace(); 73 Assert.fail("modified version of class does not pass verification"); 74 } 75 } 76 77 public void doSomething(double d, ArrayList<Integer> list) { 78 } 79 }