| /* |
| * Copyright (c) 2016, 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 java.util.Enumeration; |
| import java.util.Properties; |
| import java.util.concurrent.CompletableFuture; |
| |
| /* |
| * @test |
| * @bug 8029891 |
| * @summary Test Properties methods that do not synchronize any more |
| * @run main CheckUnsynchronized |
| */ |
| public class CheckUnsynchronized { |
| public static void main(String[] args) { |
| Properties props = new Properties(); |
| synchronized (props) { |
| props.setProperty("key", "value"); |
| System.out.println("contains(value)? " + |
| CompletableFuture.supplyAsync(() -> props.contains("value")).join()); |
| System.out.println("containsKey(key)? " + |
| CompletableFuture.supplyAsync(() -> props.containsKey("key")).join()); |
| System.out.println("containsValue(value)? " + |
| CompletableFuture.supplyAsync(() -> props.containsValue("value")).join()); |
| Enumeration<Object> elems = |
| CompletableFuture.supplyAsync(() -> props.elements()).join(); |
| System.out.println("first value from elements(): " + elems.nextElement()); |
| System.out.println("value from get(): " + |
| CompletableFuture.supplyAsync(() -> props.getProperty("key")).join()); |
| System.out.println("getOrDefault(\"missing\"): " + |
| CompletableFuture.supplyAsync(() -> props.getOrDefault("missing", "default")).join()); |
| System.out.println("isEmpty()? " + |
| CompletableFuture.supplyAsync(() -> props.isEmpty()).join()); |
| Enumeration<Object> keys = |
| CompletableFuture.supplyAsync(() -> props.keys()).join(); |
| System.out.println("first key from keys(): " + keys.nextElement()); |
| System.out.println("size(): " + |
| CompletableFuture.supplyAsync(() -> props.size()).join()); |
| } |
| } |
| } |