code: // from gee.cs.oswego.edu/home/jsr166/jsr166
  
  package jsr166tests.jtreg.util.concurrent.BlockingQueue;
  
  /*
   * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
   * CA 95054 USA or visit www.sun.com if you need additional information or
   * have any questions.
   */
  
  /*
   * @test
   * @bug 6384064
   * @summary Check proper handling of interrupts
   * @run main/othervm -XX:-UseVMInterruptibleIO Interrupt
   * @author Martin Buchholz
   */
  
  import java.util.*;
  import java.util.concurrent.*;
  import static java.util.concurrent.TimeUnit.*;
  
  public class Interrupt {
  
      static void checkInterrupted0(Iterable<Fun> fs, Executor ex) {
          for (Fun f : fs) {
              try {
                  ex.execute(new Runnable() {
                          final Thread thisThread = Thread.currentThread();
                          public void run() { thisThread.interrupt(); }});
                  f.f();
                  fail("Expected InterruptedException not thrown");
              } catch (InterruptedException e) {
                  check(! Thread.interrupted());
              } catch (Throwable t) { unexpected(t); }
          }
      }
  
      static void checkInterrupted(Iterable<Fun> fs) {
          final Executor immediateExecutor = new Executor() {
                  public void execute(Runnable r) {
                      r.run(); }};
          final ScheduledThreadPoolExecutor stpe
              = new ScheduledThreadPoolExecutor(1);
          final Executor delayedExecutor = new Executor() {
                  public void execute(Runnable r) {
                      stpe.schedule(r, 20, MILLISECONDS); }};
          checkInterrupted0(fs, immediateExecutor);
          checkInterrupted0(fs, delayedExecutor);
          stpe.shutdown();
      }
  
      static void testQueue(final BlockingQueue<Object> q) {
          try {
              final BlockingDeque<Object> deq =
                  (q instanceof BlockingDeque<?>) ?
                  (BlockingDeque<Object>) q : null;
              q.clear();
              List<Fun> fs = new ArrayList<Fun>();
              fs.add(new Fun() { void f() throws Throwable
                      { q.take(); }});
              fs.add(new Fun() { void f() throws Throwable
                      { q.poll(60, SECONDS); }});
              if (deq != null) {
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.takeFirst(); }});
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.takeLast(); }});
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.pollFirst(7, SECONDS); }});
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.pollLast(7, SECONDS); }});
              }
  
              checkInterrupted(fs);
  
              // fill q to capacity, to ensure insertions will block
              while (q.remainingCapacity() > 0)
                  try { q.put(1); }
                  catch (Throwable t) { unexpected(t); }
  
              fs.clear();
              fs.add(new Fun() { void f() throws Throwable
                      { q.put(1); }});
              fs.add(new Fun() { void f() throws Throwable
                      { q.offer(1, 7, SECONDS); }});
              if (deq != null) {
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.putFirst(1); }});
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.putLast(1); }});
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.offerFirst(1, 7, SECONDS); }});
                  fs.add(new Fun() { void f() throws Throwable
                          { deq.offerLast(1, 7, SECONDS); }});
              }
              checkInterrupted(fs);
          } catch (Throwable t) {
            System.out.printf("Failed: %s%n", q.getClass().getSimpleName());
            unexpected(t);
          }
      }
  
      private static void realMain(final String[] args) throws Throwable {
          testQueue(new SynchronousQueue<Object>());
          testQueue(new ArrayBlockingQueue<Object>(1,false));
          testQueue(new ArrayBlockingQueue<Object>(1,true));
          testQueue(new LinkedBlockingQueue<Object>(1));
          testQueue(new LinkedBlockingDeque<Object>(1));
      }
  
      //--------------------- Infrastructure ---------------------------
      static volatile int passed = 0, failed = 0;
      static void pass() {passed++;}
      static void fail() {failed++; Thread.dumpStack();}
      static void fail(String msg) {System.out.println(msg); fail();}
      static void unexpected(Throwable t) {failed++; t.printStackTrace();}
      static void check(boolean cond) {if (cond) pass(); else fail();}
      static void equal(Object x, Object y) {
          if (x == null ? y == null : x.equals(y)) pass();
          else fail(x + " not equal to " + y);}
      public static void main(String[] args) throws Throwable {
          try {realMain(args);} catch (Throwable t) {unexpected(t);}
          System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
          if (failed > 0) throw new AssertionError("Some tests failed");}
      private static abstract class Fun {abstract void f() throws Throwable;}
  }
  