--- jsr166/src/test/tck/JSR166TestCase.java	2010/11/19 00:20:12	1.69
+++ jsr166/src/test/tck/JSR166TestCase.java	2011/05/03 06:08:49	1.75
@@ -1,12 +1,14 @@
 /*
  * Written by Doug Lea with assistance from members of JCP JSR-166
  * Expert Group and released to the public domain, as explained at
- * http://creativecommons.org/licenses/publicdomain
+ * http://creativecommons.org/publicdomain/zero/1.0/
  * Other contributors include Andrew Wright, Jeffrey Hayes,
  * Pat Fisher, Mike Judd.
  */
 
 import junit.framework.*;
+import java.util.Arrays;
+import java.util.NoSuchElementException;
 import java.util.PropertyPermission;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicReference;
@@ -260,7 +262,7 @@ public class JSR166TestCase extends Test
         SHORT_DELAY_MS = getShortDelay();
         SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
         MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
-        LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
+        LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
     }
 
     /**
@@ -289,7 +291,7 @@ public class JSR166TestCase extends Test
      * earlier by threadRecordFailure.
      */
     public void tearDown() throws Exception {
-        Throwable t = threadFailure.getAndSet(null); 
+        Throwable t = threadFailure.getAndSet(null);
         if (t != null) {
             if (t instanceof Error)
                 throw (Error) t;
@@ -447,7 +449,7 @@ public class JSR166TestCase extends Test
         try {
             exec.shutdown();
             assertTrue("ExecutorService did not terminate in a timely manner",
-                       exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
+                       exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
         } catch (SecurityException ok) {
             // Allowed in case test doesn't have privs
         } catch (InterruptedException ie) {
@@ -629,6 +631,14 @@ public class JSR166TestCase extends Test
     }
 
     /**
+     * Waits up to LONG_DELAY_MS for the given thread to enter a wait
+     * state: BLOCKED, WAITING, or TIMED_WAITING.
+     */
+    void waitForThreadToEnterWaitState(Thread thread) {
+        waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
+    }
+
+    /**
      * Returns the number of milliseconds since time given by
      * startNanoTime, which must have been previously returned from a
      * call to {@link System.nanoTime()}.
@@ -665,6 +675,15 @@ public class JSR166TestCase extends Test
         }
     }
 
+    /**
+     * Waits for LONG_DELAY_MS milliseconds for the thread to
+     * terminate (using {@link Thread#join(long)}), else interrupts
+     * the thread (in the hope that it may terminate later) and fails.
+     */
+    void awaitTermination(Thread t) {
+        awaitTermination(t, LONG_DELAY_MS);
+    }
+
     // Some convenient Runnable classes
 
     public abstract class CheckedRunnable implements Runnable {
@@ -787,6 +806,13 @@ public class JSR166TestCase extends Test
             }};
     }
 
+    public Runnable awaiter(final CountDownLatch latch) {
+        return new CheckedRunnable() {
+            public void realRun() throws InterruptedException {
+                latch.await();
+            }};
+    }
+
     public static class NPETask implements Callable<String> {
         public String call() { throw new NullPointerException(); }
     }
@@ -1007,4 +1033,31 @@ public class JSR166TestCase extends Test
         }
     }
 
+    public void checkEmpty(BlockingQueue q) {
+        try {
+            assertTrue(q.isEmpty());
+            assertEquals(0, q.size());
+            assertNull(q.peek());
+            assertNull(q.poll());
+            assertNull(q.poll(0, MILLISECONDS));
+            assertEquals(q.toString(), "[]");
+            assertTrue(Arrays.equals(q.toArray(), new Object[0]));
+            assertFalse(q.iterator().hasNext());
+            try {
+                q.element();
+                shouldThrow();
+            } catch (NoSuchElementException success) {}
+            try {
+                q.iterator().next();
+                shouldThrow();
+            } catch (NoSuchElementException success) {}
+            try {
+                q.remove();
+                shouldThrow();
+            } catch (NoSuchElementException success) {}
+        } catch (InterruptedException ie) {
+            threadUnexpectedException(ie);
+        }
+    }
+
 }