--- jsr166/src/test/tck/JSR166TestCase.java	2014/12/31 19:05:42	1.123
+++ jsr166/src/test/tck/JSR166TestCase.java	2015/01/17 23:14:17	1.127
@@ -27,6 +27,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.Enumeration;
+import java.util.Iterator;
 import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.PropertyPermission;
@@ -465,7 +466,7 @@ public class JSR166TestCase extends Test
     }
 
     /**
-     * Find missing try { ... } finally { joinPool(e); }
+     * Finds missing try { ... } finally { joinPool(e); }
      */
     void checkForkJoinPoolThreadLeaks() throws InterruptedException {
         Thread[] survivors = new Thread[5];
@@ -924,7 +925,7 @@ public class JSR166TestCase extends Test
     /**
      * Returns the number of milliseconds since time given by
      * startNanoTime, which must have been previously returned from a
-     * call to {@link System.nanoTime()}.
+     * call to {@link System#nanoTime()}.
      */
     static long millisElapsedSince(long startNanoTime) {
         return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
@@ -1468,4 +1469,12 @@ public class JSR166TestCase extends Test
                 shouldThrow(expectedExceptionClass.getName());
         }
     }
+
+    public void assertIteratorExhausted(Iterator<?> it) {
+        try {
+            it.next();
+            shouldThrow();
+        } catch (NoSuchElementException success) {}
+        assertFalse(it.hasNext());
+    }
 }