RemoveAbsentTransformerTest.java revision 12973:2e63fa2efdb1 
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
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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 * @run build RemoveAbsentTransformerTest
31 * @run shell MakeJAR.sh redefineAgent
32 * @run main/othervm -javaagent:redefineAgent.jar RemoveAbsentTransformerTest RemoveAbsentTransformerTest
33 */
34import java.lang.instrument.*;
35
36public class
37RemoveAbsentTransformerTest
38    extends ATransformerManagementTestCase
39{
40
41    /**
42     * Constructor for RemoveAbsentTransformerTest.
43     * @param name
44     */
45    public RemoveAbsentTransformerTest(String name)
46    {
47        super(name);
48    }
49
50    public static void
51    main (String[] args)
52        throws Throwable {
53        ATestCaseScaffold   test = new RemoveAbsentTransformerTest(args[0]);
54        test.runTest();
55    }
56
57    protected final void
58    doRunTest()
59        throws Throwable {
60        testRemoveNonExistentTransformer();
61    }
62
63    /**
64     * Remove transformers that were not added
65     */
66    public void
67    testRemoveNonExistentTransformer()
68    {
69        boolean result;
70        ClassFileTransformer moreThanMeetsTheEye = new MyClassFileTransformer("NonExistent");
71
72        addTransformerToManager(fInst, moreThanMeetsTheEye);
73        removeTransformerFromManager(fInst, moreThanMeetsTheEye);
74        result = fInst.removeTransformer(new MyClassFileTransformer("NonExistent2"));
75        assertTrue(!result);
76        result = fInst.removeTransformer(moreThanMeetsTheEye);
77        assertTrue(!result);
78
79        verifyTransformers(fInst);
80    }
81
82}
83