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 4920005 4882798
  27  * @summary make sure removeTransformer(null) throws NullPointerException
  28  * @author Robert Field as modified from the code of Gabriel Adauto, Wily Technology
  29  *
  30  * @modules java.instrument
  31  * @run build NullTransformerRemoveTest
  32  * @run shell MakeJAR.sh redefineAgent
  33  * @run main/othervm -javaagent:redefineAgent.jar NullTransformerRemoveTest NullTransformerRemoveTest
  34  */
  35 public class
  36 NullTransformerRemoveTest
  37     extends ATransformerManagementTestCase
  38 {
  39 
  40     /**
  41      * Constructor for NullTransformerRemoveTest.
  42      * @param name
  43      */
  44     public NullTransformerRemoveTest(String name) {
  45         super(name);
  46     }
  47 
  48     public static void
  49     main (String[] args)  throws Throwable {
  50         ATestCaseScaffold   test = new NullTransformerRemoveTest(args[0]);
  51         test.runTest();
  52     }
  53 
  54     protected final void
  55     doRunTest() {
  56         testNullTransformerRemove();
  57     }
  58 
  59 
  60     /**
  61      * Remove null transformers from the the manager and check
  62      * that it throws NullPointerException
  63      */
  64     public void
  65     testNullTransformerRemove() {
  66         boolean caught = false;
  67 
  68         try {
  69             fInst.removeTransformer(null);
  70         } catch (NullPointerException npe) {
  71             caught = true;
  72         }
  73         assertTrue(caught);
  74     }
  75 
  76 }