1 /* 2 * Copyright (c) 2003, 2015, 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 4882798 27 * @summary remove an transformer that was never added 28 * @author Gabriel Adauto, Wily Technology 29 * 30 * @modules java.instrument 31 * @run build RemoveAbsentTransformerTest 32 * @run shell MakeJAR.sh redefineAgent 33 * @run main/othervm -javaagent:redefineAgent.jar RemoveAbsentTransformerTest RemoveAbsentTransformerTest 34 */ 35 import java.lang.instrument.*; 36 37 public class 38 RemoveAbsentTransformerTest 39 extends ATransformerManagementTestCase 40 { 41 42 /** 43 * Constructor for RemoveAbsentTransformerTest. 44 * @param name 45 */ 46 public RemoveAbsentTransformerTest(String name) 47 { 48 super(name); 49 } 50 51 public static void 52 main (String[] args) 53 throws Throwable { 54 ATestCaseScaffold test = new RemoveAbsentTransformerTest(args[0]); 55 test.runTest(); 56 } 57 58 protected final void 59 doRunTest() 60 throws Throwable { 61 testRemoveNonExistentTransformer(); 62 } 63 64 /** 65 * Remove transformers that were not added 66 */ 67 public void 68 testRemoveNonExistentTransformer() 69 { 70 boolean result; 71 ClassFileTransformer moreThanMeetsTheEye = new MyClassFileTransformer("NonExistent"); 72 73 addTransformerToManager(fInst, moreThanMeetsTheEye); 74 removeTransformerFromManager(fInst, moreThanMeetsTheEye); 75 result = fInst.removeTransformer(new MyClassFileTransformer("NonExistent2")); 76 assertTrue(!result); 77 result = fInst.removeTransformer(moreThanMeetsTheEye); 78 assertTrue(!result); 79 80 verifyTransformers(fInst); 81 } 82 83 }