| /* |
| * Copyright (c) 2006, 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 6355327 |
| * @summary DelayQueue iterators should support concurrent modification |
| * @author Martin Buchholz |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| import java.util.concurrent.*; |
| |
| public class Iterate { |
| private static class Godot implements Delayed { |
| public long getDelay(TimeUnit unit) {return Long.MAX_VALUE;} |
| public int compareTo(Delayed other) {return 0;} |
| } |
| |
| private static void realMain(String[] args) throws Throwable { |
| Godot[] godots = new Godot[] { new Godot(), new Godot(), new Godot() }; |
| DelayQueue<Godot> q = new DelayQueue<Godot>(Arrays.asList(godots)); |
| Iterator<Godot> it = q.iterator(); |
| q.clear(); |
| check(it.hasNext()); |
| equal(it.next(), godots[0]); |
| it.remove(); |
| check(q.isEmpty()); |
| |
| q.addAll(Arrays.asList(godots)); |
| it = q.iterator(); |
| check(it.hasNext()); |
| it.next(); |
| equal(it.next(), godots[1]); |
| it.remove(); |
| equal(q.size(), 2); |
| check(q.contains(godots[0])); |
| check(q.contains(godots[2])); |
| } |
| |
| //--------------------- Infrastructure --------------------------- |
| static volatile int passed = 0, failed = 0; |
| static void pass() {passed++;} |
| static void fail() {failed++; Thread.dumpStack();} |
| static void fail(String msg) {System.out.println(msg); fail();} |
| static void unexpected(Throwable t) {failed++; t.printStackTrace();} |
| static void check(boolean cond) {if (cond) pass(); else fail();} |
| static void equal(Object x, Object y) { |
| if (x == null ? y == null : x.equals(y)) pass(); |
| else fail(x + " not equal to " + y);} |
| public static void main(String[] args) throws Throwable { |
| try {realMain(args);} catch (Throwable t) {unexpected(t);} |
| System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
| if (failed > 0) throw new AssertionError("Some tests failed");} |
| } |