1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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   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  *
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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  * @modules java.instrument
  31  * @run build GetAllLoadedClassesTest DummyClass
  32  * @run shell MakeJAR.sh basicAgent
  33  * @run main/othervm -javaagent:basicAgent.jar GetAllLoadedClassesTest GetAllLoadedClassesTest
  34  */
  35 
  36 import  java.net.*;
  37 
  38 public class
  39 GetAllLoadedClassesTest
  40     extends ASimpleInstrumentationTestCase
  41 {
  42 
  43     /**
  44      * Constructor for GetAllLoadedClassesTest.
  45      * @param name
  46      */
  47     public GetAllLoadedClassesTest(String name)
  48     {
  49         super(name);
  50     }
  51 
  52     public static void
  53     main (String[] args)
  54         throws Throwable {
  55         ATestCaseScaffold   test = new GetAllLoadedClassesTest(args[0]);
  56         test.runTest();
  57     }
  58 
  59     protected final void
  60     doRunTest()
  61         throws Throwable {
  62         testGetAllLoadedClasses();
  63     }
  64 
  65     public void
  66     testGetAllLoadedClasses()
  67         throws  Throwable
  68     {
  69         ClassLoader loader = getClass().getClassLoader();
  70 
  71         Class[] classes = fInst.getAllLoadedClasses();
  72         assertNotNull(classes);
  73         assertClassArrayDoesNotContainClassByName(classes, "DummyClass");
  74         assertClassArrayContainsClass(classes, Object.class);
  75 
  76         Class dummy = loader.loadClass("DummyClass");
  77         assertEquals("DummyClass", dummy.getName());
  78 
  79         // double check that we can make an instance (just to prove the loader is kosher)
  80         Object testInstance = dummy.newInstance();
  81 
  82         Class[] classes2 = fInst.getAllLoadedClasses();
  83         assertNotNull(classes2);
  84         assertClassArrayContainsClass(classes2, dummy);
  85     }
  86 
  87 }