| /* |
| * Copyright (c) 2014, 2015, 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. |
| */ |
| |
| import com.sun.beans.util.Cache; |
| |
| /* |
| * @test |
| * @bug 8039137 |
| * @summary Tests Cache recursion |
| * @author Sergey Malenkov |
| * @modules java.desktop/com.sun.beans.util |
| * @compile -XDignore.symbol.file TestCacheRecursion.java |
| * @run main TestCacheRecursion |
| */ |
| |
| public class TestCacheRecursion { |
| private static boolean ERROR; |
| private static final Cache<Class<?>,Boolean> CACHE |
| = new Cache<Class<?>,Boolean>(Cache.Kind.WEAK, Cache.Kind.STRONG) { |
| @Override |
| public Boolean create(Class<?> type) { |
| if (ERROR) { |
| throw new Error("not initialized"); |
| } |
| type = type.getSuperclass(); |
| return (type != null) && get(type); |
| } |
| }; |
| |
| public static void main(String[] args) { |
| CACHE.get(Z.class); |
| ERROR = true; |
| for (Class<?> type = Z.class; type != null; type = type.getSuperclass()) { |
| CACHE.get(type); |
| } |
| } |
| |
| private class A {} |
| private class B extends A {} |
| private class C extends B {} |
| private class D extends C {} |
| private class E extends D {} |
| private class F extends E {} |
| private class G extends F {} |
| private class H extends G {} |
| private class I extends H {} |
| private class J extends I {} |
| private class K extends J {} |
| private class L extends K {} |
| private class M extends L {} |
| private class N extends M {} |
| private class O extends N {} |
| private class P extends O {} |
| private class Q extends P {} |
| private class R extends Q {} |
| private class S extends R {} |
| private class T extends S {} |
| private class U extends T {} |
| private class V extends U {} |
| private class W extends V {} |
| private class X extends W {} |
| private class Y extends X {} |
| private class Z extends Y {} |
| } |