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--- old/test/java/util/concurrent/locks/ReentrantReadWriteLock/Bug6571733.java
+++ new/test/java/util/concurrent/locks/ReentrantReadWriteLock/Bug6571733.java
1 1 /*
2 2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 20 * or visit www.oracle.com if you need additional information or have any
21 21 * questions.
22 22 */
23 23
24 24 /*
25 25 * @test
26 26 * @bug 6571733 6460501
27 27 * @summary Check that regaining a read lock succeeds after a write
28 28 * lock attempt times out
29 29 */
30 30 import java.util.concurrent.locks.*;
31 31 import java.util.concurrent.*;
32 32
33 33 public class Bug6571733 {
34 34
35 35 void test(String[] args) throws Throwable {
36 36 test(true);
37 37 test(false);
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38 38 }
39 39
40 40 void test(boolean fairness) throws Throwable {
41 41 final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(fairness);
42 42
43 43 // obtain read lock
44 44 lock.readLock().lock();
45 45
46 46 Thread thread = new Thread() { public void run() {
47 47 try {
48 - check (! lock.writeLock().tryLock(0, TimeUnit.DAYS));
48 + check(! lock.writeLock().tryLock(0, TimeUnit.DAYS));
49 49
50 50 lock.readLock().lock();
51 51 lock.readLock().unlock();
52 52 } catch (Throwable t) { unexpected(t); }}};
53 53
54 54 thread.start();
55 55 thread.join();
56 56 }
57 57
58 58 //--------------------- Infrastructure ---------------------------
59 59 volatile int passed = 0, failed = 0;
60 60 void pass() {passed++;}
61 61 void fail() {failed++; Thread.dumpStack();}
62 62 void fail(String msg) {System.err.println(msg); fail();}
63 63 void unexpected(Throwable t) {failed++; t.printStackTrace();}
64 64 void check(boolean cond) {if (cond) pass(); else fail();}
65 65 public static void main(String[] args) throws Throwable {
66 66 new Bug6571733().instanceMain(args);}
67 67 void instanceMain(String[] args) throws Throwable {
68 68 try {test(args);} catch (Throwable t) {unexpected(t);}
69 69 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
70 70 if (failed > 0) throw new AssertionError("Some tests failed");}
71 71 }
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