| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8187222 |
| * @run main/othervm -Djava.system.class.loader=RecursiveSystemLoader RecursiveSystemLoader |
| * @summary Test for IllegalStateException if a custom system loader recursively calls getSystemClassLoader() |
| */ |
| public class RecursiveSystemLoader extends ClassLoader { |
| public static void main(String[] args) { |
| ClassLoader sys = ClassLoader.getSystemClassLoader(); |
| if (!(sys instanceof RecursiveSystemLoader)) { |
| throw new RuntimeException("Unexpected system classloader: " + sys); |
| } |
| } |
| public RecursiveSystemLoader(ClassLoader classLoader) { |
| super("RecursiveSystemLoader", classLoader); |
| |
| // Calling ClassLoader.getSystemClassLoader() before the VM is booted |
| // should throw an IllegalStateException. |
| try { |
| ClassLoader.getSystemClassLoader(); |
| } catch(IllegalStateException ise) { |
| System.err.println("Caught expected exception:"); |
| ise.printStackTrace(); |
| return; |
| } |
| throw new RuntimeException("Expected IllegalStateException was not thrown."); |
| } |
| |
| @Override |
| public Class<?> loadClass(String name) throws ClassNotFoundException { |
| return super.loadClass(name); |
| } |
| } |