concurrent/FutureTask/NegativeTimeout.java

/*
 * Copyright (c) 2014, 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 8060052
 * @summary FutureTask; fix underflow when timeout = Long.MIN_VALUE
 * @author Chris Hegarty
 */

import java.util.concurrent.FutureTask;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.TimeUnit;

// If the bug exists the test will eventually be interrupted by the
// test harness and fail with an InterruptedException, otherwise it
// will throw a TimeoutException almost immediately and return silently.

public class NegativeTimeout {
    public static void main(String[] args) throws Exception {
        FutureTask<Void> task = new FutureTask<>(() -> null);
        try {
            task.get(Long.MIN_VALUE, TimeUnit.NANOSECONDS);
        } catch (TimeoutException success) {}
    }
}
Revision:	1.4
Committed:	Sun Jan 7 23:34:14 2018 UTC (6 years, 4 months ago) by jsr166
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.3:	+1 -1 lines
Log Message:	use expression lambda
#	Content
1	/*
2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4	*
5	* This code is free software; you can redistribute it and/or modify it
6	* under the terms of the GNU General Public License version 2 only, as
7	* published by the Free Software Foundation.
8	*
9	* This code is distributed in the hope that it will be useful, but WITHOUT
10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12	* version 2 for more details (a copy is included in the LICENSE file that
13	* accompanied this code).
14	*
15	* You should have received a copy of the GNU General Public License version
16	* 2 along with this work; if not, write to the Free Software Foundation,
17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18	*
19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20	* or visit www.oracle.com if you need additional information or have any
21	* questions.
22	*/
23
24	/*
25	* @test
26	* @bug 8060052
27	* @summary FutureTask; fix underflow when timeout = Long.MIN_VALUE
28	* @author Chris Hegarty
29	*/
30
31	import java.util.concurrent.FutureTask;
32	import java.util.concurrent.TimeoutException;
33	import java.util.concurrent.TimeUnit;
34
35	// If the bug exists the test will eventually be interrupted by the
36	// test harness and fail with an InterruptedException, otherwise it
37	// will throw a TimeoutException almost immediately and return silently.
38
39	public class NegativeTimeout {
40	public static void main(String[] args) throws Exception {
41	FutureTask<Void> task = new FutureTask<>(() -> null);
42	try {
43	task.get(Long.MIN_VALUE, TimeUnit.NANOSECONDS);
44	} catch (TimeoutException success) {}
45	}
46	}