1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  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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  23 
  24 /**
  25  * @test
  26  * @bug 4882798
  27  * @summary simple tests for getAllLoadedClasses (is Object there? does a newly loaded class show up?)
  28  * @author Gabriel Adauto, Wily Technology
  29  *
  30  * @run build GetAllLoadedClassesTest DummyClass
  31  * @run shell MakeJAR.sh basicAgent
  32  * @run main/othervm -javaagent:basicAgent.jar GetAllLoadedClassesTest GetAllLoadedClassesTest
  33  */
  34 
  35 import  java.net.*;
  36 
  37 public class
  38 GetAllLoadedClassesTest
  39     extends ASimpleInstrumentationTestCase
  40 {
  41 
  42     /**
  43      * Constructor for GetAllLoadedClassesTest.
  44      * @param name
  45      */
  46     public GetAllLoadedClassesTest(String name)
  47     {
  48         super(name);
  49     }
  50 
  51     public static void
  52     main (String[] args)
  53         throws Throwable {
  54         ATestCaseScaffold   test = new GetAllLoadedClassesTest(args[0]);
  55         test.runTest();
  56     }
  57 
  58     protected final void
  59     doRunTest()
  60         throws Throwable {
  61         testGetAllLoadedClasses();
  62     }
  63 
  64     public void
  65     testGetAllLoadedClasses()
  66         throws  Throwable
  67     {
  68         ClassLoader loader = getClass().getClassLoader();
  69 
  70         Class[] classes = fInst.getAllLoadedClasses();
  71         assertNotNull(classes);
  72         assertClassArrayDoesNotContainClassByName(classes, "DummyClass");
  73         assertClassArrayContainsClass(classes, Object.class);
  74 
  75         Class dummy = loader.loadClass("DummyClass");
  76         assertEquals("DummyClass", dummy.getName());
  77 
  78         // double check that we can make an instance (just to prove the loader is kosher)
  79         Object testInstance = dummy.newInstance();
  80 
  81         Class[] classes2 = fInst.getAllLoadedClasses();
  82         assertNotNull(classes2);
  83         assertClassArrayContainsClass(classes2, dummy);
  84     }
  85 
  86 }