GetInitiatedClassesTest.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 simple tests for getInitiatedClasses (does a newly loaded class show up?)
28 * @author Gabriel Adauto, Wily Technology
29 *
30 * @run build GetInitiatedClassesTest DummyClass
31 * @run shell MakeJAR.sh basicAgent
32 * @run main/othervm -javaagent:basicAgent.jar GetInitiatedClassesTest GetInitiatedClassesTest
33 */
34
35public class
36GetInitiatedClassesTest
37    extends ASimpleInstrumentationTestCase
38{
39
40    /**
41     * Constructor for GetInitiatedClassesTest.
42     * @param name
43     */
44    public GetInitiatedClassesTest(String name)
45    {
46        super(name);
47    }
48
49    public static void
50    main (String[] args)
51        throws Throwable {
52        ATestCaseScaffold   test = new GetInitiatedClassesTest(args[0]);
53        test.runTest();
54    }
55
56    protected final void
57    doRunTest()
58        throws Throwable {
59        testGetInitiatedClasses();
60    }
61
62    public void
63    testGetInitiatedClasses()
64        throws  Throwable
65    {
66        ClassLoader loader = getClass().getClassLoader();
67
68        Class[] classes = fInst.getInitiatedClasses(loader);
69        assertNotNull(classes);
70
71        Class dummy = loader.loadClass("DummyClass");
72        assertEquals("DummyClass", dummy.getName());
73
74        // double check that we can make an instance (just to prove the loader is kosher)
75        Object testInstance = dummy.newInstance();
76
77        Class[] classes2 = fInst.getInitiatedClasses(loader);
78        assertNotNull(classes2);
79        assertClassArrayContainsClass(classes2, dummy);
80    }
81
82}
83