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 /* 25 * @test 26 * @bug 8003147 27 * @summary Test port fix for BCEL bug 39695. 28 */ 29 30 package parsers; 31 32 import java.io.FileOutputStream; 33 import java.io.FilePermission; 34 35 import jaxp.library.JAXPTestUtilities; 36 37 import org.testng.Assert; 38 import org.testng.annotations.Listeners; 39 import org.testng.annotations.Test; 40 41 import com.sun.org.apache.bcel.internal.classfile.ClassParser; 42 import com.sun.org.apache.bcel.internal.classfile.ConstantClass; 43 import com.sun.org.apache.bcel.internal.classfile.ConstantPool; 44 import com.sun.org.apache.bcel.internal.classfile.ConstantUtf8; 45 import com.sun.org.apache.bcel.internal.classfile.JavaClass; 46 import com.sun.org.apache.bcel.internal.classfile.Method; 47 import com.sun.org.apache.bcel.internal.generic.ClassGen; 48 import com.sun.org.apache.bcel.internal.generic.MethodGen; 49 50 @Listeners({ jaxp.library.FilePolicy.class, jaxp.library.InternalAPIPolicy.class }) 51 public class Bug8003147Test { 52 53 @Test 54 public void test() throws Exception { 55 // Note: com.sun.org.apache.bcel.internal.classfile.JavaClass doesn't 56 // support InvokeDynamic, so can't use lambda, also can't use string1 + 57 // string2, because javac will generate a dynamic call where invoking 58 // string1.concat(string2), so create a separate Bug8003147TestClass 59 JAXPTestUtilities.tryRunWithTmpPermission(() -> { 60 String classfile = System.getProperty("test.classes") + "/parsers/Bug8003147TestClass.class"; 61 JavaClass jc = new ClassParser(classfile).parse(); 62 63 // rename class 64 ConstantPool cp = jc.getConstantPool(); 65 int cpIndex = ((ConstantClass) cp.getConstant(jc.getClassNameIndex())).getNameIndex(); 66 cp.setConstant(cpIndex, new ConstantUtf8("parsers/Bug8003147TestClassPrime")); 67 ClassGen gen = new ClassGen(jc); 68 Method[] methods = jc.getMethods(); 69 int index; 70 for (index = 0; index < methods.length; index++) { 71 if (methods[index].getName().equals("doSomething")) { 72 break; 73 } 74 } 75 Method m = methods[index]; 76 MethodGen mg = new MethodGen(m, gen.getClassName(), gen.getConstantPool()); 77 gen.replaceMethod(m, mg.getMethod()); 78 String path = classfile.replace("Bug8003147TestClass", "Bug8003147TestClassPrime"); 79 gen.getJavaClass().dump(new FileOutputStream(path)); 80 81 try { 82 Class.forName("parsers.Bug8003147TestClassPrime"); 83 } catch (ClassFormatError cfe) { 84 cfe.printStackTrace(); 85 Assert.fail("modified version of class does not pass verification"); 86 } 87 }, new FilePermission(System.getProperty("test.classes") + "/-", "read, write")); 88 } 89 }