J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 6384064 |
| 27 | * @summary Check proper handling of interrupts |
| 28 | * @run main/othervm -XX:-UseVMInterruptibleIO Interrupt |
| 29 | * @author Martin Buchholz |
| 30 | */ |
| 31 | |
| 32 | import java.util.*; |
| 33 | import java.util.concurrent.*; |
| 34 | import static java.util.concurrent.TimeUnit.*; |
| 35 | |
| 36 | public class Interrupt { |
| 37 | |
| 38 | static void checkInterrupted0(Iterable<Fun> fs, Executor ex) { |
| 39 | for (Fun f : fs) { |
| 40 | try { |
| 41 | ex.execute(new Runnable() { |
| 42 | final Thread thisThread = Thread.currentThread(); |
| 43 | public void run() { thisThread.interrupt(); }}); |
| 44 | f.f(); |
| 45 | fail("Expected InterruptedException not thrown"); |
| 46 | } catch (InterruptedException e) { |
| 47 | check(! Thread.interrupted()); |
| 48 | } catch (Throwable t) { unexpected(t); } |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | static void checkInterrupted(Iterable<Fun> fs) { |
| 53 | final Executor immediateExecutor = new Executor() { |
| 54 | public void execute(Runnable r) { |
| 55 | r.run(); }}; |
| 56 | final ScheduledThreadPoolExecutor stpe |
| 57 | = new ScheduledThreadPoolExecutor(1); |
| 58 | final Executor delayedExecutor = new Executor() { |
| 59 | public void execute(Runnable r) { |
| 60 | stpe.schedule(r, 20, MILLISECONDS); }}; |
| 61 | checkInterrupted0(fs, immediateExecutor); |
| 62 | checkInterrupted0(fs, delayedExecutor); |
| 63 | stpe.shutdown(); |
| 64 | } |
| 65 | |
| 66 | static void testQueue(final BlockingQueue<Object> q) { |
| 67 | try { |
| 68 | final BlockingDeque<Object> deq = |
| 69 | q instanceof BlockingDeque ? (BlockingDeque<Object>) q : null; |
| 70 | q.clear(); |
| 71 | List<Fun> fs = new ArrayList<Fun>(); |
| 72 | fs.add(new Fun() { void f() throws Throwable |
| 73 | { q.take(); }}); |
| 74 | fs.add(new Fun() { void f() throws Throwable |
| 75 | { q.poll(60, SECONDS); }}); |
| 76 | if (deq != null) { |
| 77 | fs.add(new Fun() { void f() throws Throwable |
| 78 | { deq.takeFirst(); }}); |
| 79 | fs.add(new Fun() { void f() throws Throwable |
| 80 | { deq.takeLast(); }}); |
| 81 | fs.add(new Fun() { void f() throws Throwable |
| 82 | { deq.pollFirst(7, SECONDS); }}); |
| 83 | fs.add(new Fun() { void f() throws Throwable |
| 84 | { deq.pollLast(7, SECONDS); }}); |
| 85 | } |
| 86 | |
| 87 | checkInterrupted(fs); |
| 88 | |
| 89 | // fill q to capacity, to ensure insertions will block |
| 90 | while (q.remainingCapacity() > 0) |
| 91 | try { q.put(1); } |
| 92 | catch (Throwable t) { unexpected(t); } |
| 93 | |
| 94 | fs.clear(); |
| 95 | fs.add(new Fun() { void f() throws Throwable |
| 96 | { q.put(1); }}); |
| 97 | fs.add(new Fun() { void f() throws Throwable |
| 98 | { q.offer(1, 7, SECONDS); }}); |
| 99 | if (deq != null) { |
| 100 | fs.add(new Fun() { void f() throws Throwable |
| 101 | { deq.putFirst(1); }}); |
| 102 | fs.add(new Fun() { void f() throws Throwable |
| 103 | { deq.putLast(1); }}); |
| 104 | fs.add(new Fun() { void f() throws Throwable |
| 105 | { deq.offerFirst(1, 7, SECONDS); }}); |
| 106 | fs.add(new Fun() { void f() throws Throwable |
| 107 | { deq.offerLast(1, 7, SECONDS); }}); |
| 108 | } |
| 109 | checkInterrupted(fs); |
| 110 | } catch (Throwable t) { unexpected(t); } |
| 111 | } |
| 112 | |
| 113 | private static void realMain(final String[] args) throws Throwable { |
| 114 | testQueue(new SynchronousQueue<Object>()); |
| 115 | testQueue(new ArrayBlockingQueue<Object>(1,false)); |
| 116 | testQueue(new ArrayBlockingQueue<Object>(1,true)); |
| 117 | testQueue(new LinkedBlockingQueue<Object>(1)); |
| 118 | testQueue(new LinkedBlockingDeque<Object>(1)); |
| 119 | } |
| 120 | |
| 121 | //--------------------- Infrastructure --------------------------- |
| 122 | static volatile int passed = 0, failed = 0; |
| 123 | static void pass() {passed++;} |
| 124 | static void fail() {failed++; Thread.dumpStack();} |
| 125 | static void fail(String msg) {System.out.println(msg); fail();} |
| 126 | static void unexpected(Throwable t) {failed++; t.printStackTrace();} |
| 127 | static void check(boolean cond) {if (cond) pass(); else fail();} |
| 128 | static void equal(Object x, Object y) { |
| 129 | if (x == null ? y == null : x.equals(y)) pass(); |
| 130 | else fail(x + " not equal to " + y);} |
| 131 | public static void main(String[] args) throws Throwable { |
| 132 | try {realMain(args);} catch (Throwable t) {unexpected(t);} |
| 133 | System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
| 134 | if (failed > 0) throw new AssertionError("Some tests failed");} |
| 135 | private static abstract class Fun {abstract void f() throws Throwable;} |
| 136 | } |