1 /*
   2  * Copyright (c) 2003, 2004, 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 test transformer add/remove pairs in sequence
  28  * @author Gabriel Adauto, Wily Technology
  29  *
  30  * @run build TransformMethodTest
  31  * @run shell MakeJAR.sh redefineAgent
  32  * @run main/othervm -javaagent:redefineAgent.jar TransformMethodTest TransformMethodTest
  33  */
  34 import java.lang.instrument.*;
  35 
  36 public class
  37 TransformMethodTest
  38     extends ATransformerManagementTestCase
  39 {
  40 
  41     /**
  42      * Constructor for TransformMethodTest.
  43      * @param name
  44      */
  45     public TransformMethodTest(String name)
  46     {
  47         super(name);
  48     }
  49 
  50     public static void
  51     main (String[] args)
  52         throws Throwable {
  53         ATestCaseScaffold   test = new TransformMethodTest(args[0]);
  54         test.runTest();
  55     }
  56 
  57     protected final void
  58     doRunTest()
  59         throws Throwable {
  60         testTransform();
  61     }
  62 
  63     /**
  64      * Verify that the transformers can be added and removed correctly
  65      */
  66     public void
  67     testTransform()
  68     {
  69         for (int i = 0; i < kTransformerSamples.length; i++)
  70         {
  71             ClassFileTransformer transformer = getRandomTransformer();
  72             addTransformerToManager(fInst, transformer);
  73             verifyTransformers(fInst);
  74             removeTransformerFromManager(fInst, transformer, true);
  75         }
  76     }
  77 
  78 }