57 lines
2.3 KiB
Java
57 lines
2.3 KiB
Java
/*
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* Copyright (c) 2017, 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 8187222
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* @run main/othervm -Djava.system.class.loader=RecursiveSystemLoader RecursiveSystemLoader
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* @summary Test for IllegalStateException if a custom system loader recursively calls getSystemClassLoader()
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*/
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public class RecursiveSystemLoader extends ClassLoader {
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public static void main(String[] args) {
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ClassLoader sys = ClassLoader.getSystemClassLoader();
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if (!(sys instanceof RecursiveSystemLoader)) {
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throw new RuntimeException("Unexpected system classloader: " + sys);
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}
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}
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public RecursiveSystemLoader(ClassLoader classLoader) {
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super("RecursiveSystemLoader", classLoader);
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// Calling ClassLoader.getSystemClassLoader() before the VM is booted
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// should throw an IllegalStateException.
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try {
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ClassLoader.getSystemClassLoader();
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} catch(IllegalStateException ise) {
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System.err.println("Caught expected exception:");
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ise.printStackTrace();
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return;
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}
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throw new RuntimeException("Expected IllegalStateException was not thrown.");
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}
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@Override
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public Class<?> loadClass(String name) throws ClassNotFoundException {
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return super.loadClass(name);
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}
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}
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