70 lines
2.4 KiB
Java
70 lines
2.4 KiB
Java
/*
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* Copyright (c) 2009, 2010, 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 6636650
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* @summary Uninitialized class loaders should not be a parent of other
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* class loaders.
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* @run main/othervm UninitializedParent
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*/
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import java.net.*;
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public class UninitializedParent {
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private static ClassLoader loader;
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public static void main(String[] args) throws Exception {
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System.setSecurityManager(new SecurityManager());
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// Create an uninitialized class loader
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try {
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new ClassLoader(null) {
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@Override
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protected void finalize() {
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loader = this;
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}
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};
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} catch (SecurityException exc) {
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// Expected
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}
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System.gc();
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System.runFinalization();
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// if 'loader' isn't null, need to ensure that it can't be used as
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// parent
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if (loader != null) {
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try {
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// Create a class loader with 'loader' being the parent
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URLClassLoader child = URLClassLoader.newInstance
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(new URL[0], loader);
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throw new RuntimeException("Test Failed!");
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} catch (SecurityException se) {
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System.out.println("Test Passed: Exception thrown");
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}
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} else {
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System.out.println("Test Passed: Loader is null");
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}
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}
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}
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