jdk/test/java/lang/instrument/GetAllLoadedClassesTest.java
author shurailine
Tue, 27 Oct 2015 20:06:02 -0700
changeset 33402 1156d495a525
parent 30376 2ccf2cf7ea48
permissions -rw-r--r--
8140336: Add @modules for exported dependencies to jdk_core tests Reviewed-by: alanb, mchung
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/*
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 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * @test
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 * @bug 4882798
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 * @summary simple tests for getAllLoadedClasses (is Object there? does a newly loaded class show up?)
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 * @author Gabriel Adauto, Wily Technology
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 *
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 * @run build GetAllLoadedClassesTest DummyClass
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 * @run shell MakeJAR.sh basicAgent
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 * @run main/othervm -javaagent:basicAgent.jar GetAllLoadedClassesTest GetAllLoadedClassesTest
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 */
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import  java.net.*;
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public class
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GetAllLoadedClassesTest
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    extends ASimpleInstrumentationTestCase
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{
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    /**
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     * Constructor for GetAllLoadedClassesTest.
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     * @param name
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     */
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    public GetAllLoadedClassesTest(String name)
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    {
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        super(name);
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    }
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    public static void
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    main (String[] args)
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        throws Throwable {
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        ATestCaseScaffold   test = new GetAllLoadedClassesTest(args[0]);
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        test.runTest();
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    }
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    protected final void
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    doRunTest()
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        throws Throwable {
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        testGetAllLoadedClasses();
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    }
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    public void
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    testGetAllLoadedClasses()
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        throws  Throwable
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    {
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        ClassLoader loader = getClass().getClassLoader();
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        Class[] classes = fInst.getAllLoadedClasses();
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        assertNotNull(classes);
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        assertClassArrayDoesNotContainClassByName(classes, "DummyClass");
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        assertClassArrayContainsClass(classes, Object.class);
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        Class dummy = loader.loadClass("DummyClass");
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        assertEquals("DummyClass", dummy.getName());
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        // double check that we can make an instance (just to prove the loader is kosher)
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        Object testInstance = dummy.newInstance();
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        Class[] classes2 = fInst.getAllLoadedClasses();
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        assertNotNull(classes2);
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        assertClassArrayContainsClass(classes2, dummy);
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    }
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}