137 lines
5.7 KiB
Java
137 lines
5.7 KiB
Java
/*
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* Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 6384064
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* @summary Check proper handling of interrupts
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* @run main/othervm -XX:-UseVMInterruptibleIO Interrupt
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* @author Martin Buchholz
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*/
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import java.util.*;
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import java.util.concurrent.*;
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import static java.util.concurrent.TimeUnit.*;
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public class Interrupt {
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static void checkInterrupted0(Iterable<Fun> fs, Executor ex) {
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for (Fun f : fs) {
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try {
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ex.execute(new Runnable() {
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final Thread thisThread = Thread.currentThread();
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public void run() { thisThread.interrupt(); }});
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f.f();
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fail("Expected InterruptedException not thrown");
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} catch (InterruptedException e) {
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check(! Thread.interrupted());
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} catch (Throwable t) { unexpected(t); }
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}
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}
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static void checkInterrupted(Iterable<Fun> fs) {
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final Executor immediateExecutor = new Executor() {
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public void execute(Runnable r) {
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r.run(); }};
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final ScheduledThreadPoolExecutor stpe
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= new ScheduledThreadPoolExecutor(1);
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final Executor delayedExecutor = new Executor() {
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public void execute(Runnable r) {
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stpe.schedule(r, 20, MILLISECONDS); }};
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checkInterrupted0(fs, immediateExecutor);
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checkInterrupted0(fs, delayedExecutor);
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stpe.shutdown();
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}
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static void testQueue(final BlockingQueue<Object> q) {
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try {
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final BlockingDeque<Object> deq =
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q instanceof BlockingDeque ? (BlockingDeque<Object>) q : null;
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q.clear();
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List<Fun> fs = new ArrayList<Fun>();
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fs.add(new Fun() { void f() throws Throwable
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{ q.take(); }});
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fs.add(new Fun() { void f() throws Throwable
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{ q.poll(60, SECONDS); }});
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if (deq != null) {
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fs.add(new Fun() { void f() throws Throwable
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{ deq.takeFirst(); }});
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fs.add(new Fun() { void f() throws Throwable
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{ deq.takeLast(); }});
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fs.add(new Fun() { void f() throws Throwable
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{ deq.pollFirst(7, SECONDS); }});
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fs.add(new Fun() { void f() throws Throwable
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{ deq.pollLast(7, SECONDS); }});
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}
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checkInterrupted(fs);
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// fill q to capacity, to ensure insertions will block
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while (q.remainingCapacity() > 0)
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try { q.put(1); }
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catch (Throwable t) { unexpected(t); }
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fs.clear();
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fs.add(new Fun() { void f() throws Throwable
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{ q.put(1); }});
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fs.add(new Fun() { void f() throws Throwable
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{ q.offer(1, 7, SECONDS); }});
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if (deq != null) {
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fs.add(new Fun() { void f() throws Throwable
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{ deq.putFirst(1); }});
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fs.add(new Fun() { void f() throws Throwable
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{ deq.putLast(1); }});
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fs.add(new Fun() { void f() throws Throwable
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{ deq.offerFirst(1, 7, SECONDS); }});
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fs.add(new Fun() { void f() throws Throwable
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{ deq.offerLast(1, 7, SECONDS); }});
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}
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checkInterrupted(fs);
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} catch (Throwable t) { unexpected(t); }
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}
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private static void realMain(final String[] args) throws Throwable {
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testQueue(new SynchronousQueue<Object>());
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testQueue(new ArrayBlockingQueue<Object>(1,false));
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testQueue(new ArrayBlockingQueue<Object>(1,true));
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testQueue(new LinkedBlockingQueue<Object>(1));
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testQueue(new LinkedBlockingDeque<Object>(1));
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}
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//--------------------- Infrastructure ---------------------------
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static volatile int passed = 0, failed = 0;
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static void pass() {passed++;}
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static void fail() {failed++; Thread.dumpStack();}
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static void fail(String msg) {System.out.println(msg); fail();}
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static void unexpected(Throwable t) {failed++; t.printStackTrace();}
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static void check(boolean cond) {if (cond) pass(); else fail();}
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static void equal(Object x, Object y) {
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if (x == null ? y == null : x.equals(y)) pass();
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else fail(x + " not equal to " + y);}
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public static void main(String[] args) throws Throwable {
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try {realMain(args);} catch (Throwable t) {unexpected(t);}
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System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
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if (failed > 0) throw new AssertionError("Some tests failed");}
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private static abstract class Fun {abstract void f() throws Throwable;}
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}
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