| /* |
| * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| import java.io.PrintStream; |
| import java.util.*; |
| |
| public class RetransformApp { |
| |
| public static void main(String args[]) throws Exception { |
| (new RetransformApp()).run(args, System.out); |
| } |
| |
| int foo(int x) { |
| return x * x; |
| } |
| |
| public void run(String args[], PrintStream out) throws Exception { |
| out.println("start"); |
| for (int i = 0; i < 4; i++) { |
| if (foo(3) != 9) { |
| throw new Exception("ERROR: unexpected application behavior"); |
| } |
| } |
| out.println("undo"); |
| RetransformAgent.undo(); |
| for (int i = 0; i < 4; i++) { |
| if (foo(3) != 9) { |
| throw new Exception("ERROR: unexpected application behavior"); |
| } |
| } |
| out.println("end"); |
| if (RetransformAgent.succeeded()) { |
| out.println("Instrumentation succeeded."); |
| } else { |
| throw new Exception("ERROR: Instrumentation failed."); |
| } |
| } |
| } |