20 * questions.
21 */
22
23 /*
24 * This file is available under and governed by the GNU General Public
25 * License version 2 only, as published by the Free Software Foundation.
26 * However, the following notice accompanied the original version of this
27 * file:
28 *
29 * Written by Doug Lea with assistance from members of JCP JSR-166
30 * Expert Group and released to the public domain, as explained at
31 * http://creativecommons.org/publicdomain/zero/1.0/
32 */
33
34 /*
35 * @test
36 * @bug 4486658
37 * @summary Checks for responsiveness of futures to cancellation.
38 * Runs under the assumption that ITERS computations require more than
39 * TIMEOUT msecs to complete.
40 * @library /lib/testlibrary/
41 * @run main/timeout=2000 CancelledFutureLoops
42 */
43
44 import static java.util.concurrent.TimeUnit.MILLISECONDS;
45
46 import java.util.SplittableRandom;
47 import java.util.concurrent.BrokenBarrierException;
48 import java.util.concurrent.Callable;
49 import java.util.concurrent.CyclicBarrier;
50 import java.util.concurrent.ExecutionException;
51 import java.util.concurrent.ExecutorService;
52 import java.util.concurrent.Executors;
53 import java.util.concurrent.Future;
54 import java.util.concurrent.locks.ReentrantLock;
55 import jdk.testlibrary.Utils;
56
57 public final class CancelledFutureLoops {
58 static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000);
59 static final ExecutorService pool = Executors.newCachedThreadPool();
60 static final SplittableRandom rnd = new SplittableRandom();
61 static boolean print = false;
62 static final int ITERS = 1000000;
63 static final long TIMEOUT = 100;
64
65 public static void main(String[] args) throws Exception {
66 int maxThreads = 5;
67 if (args.length > 0)
68 maxThreads = Integer.parseInt(args[0]);
69
70 print = true;
71
72 for (int i = 2; i <= maxThreads; i += (i+1) >>> 1) {
73 System.out.print("Threads: " + i);
74 try {
75 new FutureLoop(i, rnd.split()).test();
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20 * questions.
21 */
22
23 /*
24 * This file is available under and governed by the GNU General Public
25 * License version 2 only, as published by the Free Software Foundation.
26 * However, the following notice accompanied the original version of this
27 * file:
28 *
29 * Written by Doug Lea with assistance from members of JCP JSR-166
30 * Expert Group and released to the public domain, as explained at
31 * http://creativecommons.org/publicdomain/zero/1.0/
32 */
33
34 /*
35 * @test
36 * @bug 4486658
37 * @summary Checks for responsiveness of futures to cancellation.
38 * Runs under the assumption that ITERS computations require more than
39 * TIMEOUT msecs to complete.
40 * @library /test/lib
41 * @run main/timeout=2000 CancelledFutureLoops
42 */
43
44 import static java.util.concurrent.TimeUnit.MILLISECONDS;
45
46 import java.util.SplittableRandom;
47 import java.util.concurrent.BrokenBarrierException;
48 import java.util.concurrent.Callable;
49 import java.util.concurrent.CyclicBarrier;
50 import java.util.concurrent.ExecutionException;
51 import java.util.concurrent.ExecutorService;
52 import java.util.concurrent.Executors;
53 import java.util.concurrent.Future;
54 import java.util.concurrent.locks.ReentrantLock;
55 import jdk.test.lib.Utils;
56
57 public final class CancelledFutureLoops {
58 static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000);
59 static final ExecutorService pool = Executors.newCachedThreadPool();
60 static final SplittableRandom rnd = new SplittableRandom();
61 static boolean print = false;
62 static final int ITERS = 1000000;
63 static final long TIMEOUT = 100;
64
65 public static void main(String[] args) throws Exception {
66 int maxThreads = 5;
67 if (args.length > 0)
68 maxThreads = Integer.parseInt(args[0]);
69
70 print = true;
71
72 for (int i = 2; i <= maxThreads; i += (i+1) >>> 1) {
73 System.out.print("Threads: " + i);
74 try {
75 new FutureLoop(i, rnd.split()).test();
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