| /* |
| * 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 8179950 |
| * @build CustomLoader InitSystemLoaderTest |
| * @run main/othervm -Djava.system.class.loader=CustomLoader InitSystemLoaderTest |
| * @summary Test custom system loader initialization and verify their ancestors |
| */ |
| |
| public class InitSystemLoaderTest { |
| public static void main(String... args) { |
| // check that system class loader is the custom loader |
| ClassLoader loader = ClassLoader.getSystemClassLoader(); |
| if (loader != CustomLoader.INSTANCE) { |
| throw new RuntimeException("Expected custom loader: " |
| + CustomLoader.INSTANCE + " got: " + loader); |
| } |
| |
| // parent of the custom loader should be builtin system class loader |
| ClassLoader builtinSystemLoader = loader.getParent(); |
| ClassLoader grandparent = builtinSystemLoader.getParent(); |
| if (grandparent != ClassLoader.getPlatformClassLoader()) { |
| throw new RuntimeException("Expected class loader ancestor: " |
| + ClassLoader.getPlatformClassLoader() + " got: " + grandparent); |
| } |
| } |
| } |