--- jsr166/src/test/tck/CountedCompleterTest.java	2015/10/18 19:12:45	1.23
+++ jsr166/src/test/tck/CountedCompleterTest.java	2015/10/18 19:33:21	1.27
@@ -335,10 +335,15 @@ public class CountedCompleterTest extend
     public void testSetPendingCount() {
         NoopCC a = new NoopCC();
         assertEquals(0, a.getPendingCount());
-        a.setPendingCount(1);
-        assertEquals(1, a.getPendingCount());
-        a.setPendingCount(27);
-        assertEquals(27, a.getPendingCount());
+        int[] vals = {
+             -1, 0, 1,
+             Integer.MIN_VALUE,
+             Integer.MAX_VALUE,
+        };
+        for (int val : vals) {
+            a.setPendingCount(val);
+            assertEquals(val, a.getPendingCount());
+        }
     }
 
     /**
@@ -351,6 +356,8 @@ public class CountedCompleterTest extend
         assertEquals(1, a.getPendingCount());
         a.addToPendingCount(27);
         assertEquals(28, a.getPendingCount());
+        a.addToPendingCount(-28);
+        assertEquals(0, a.getPendingCount());
     }
 
     /**
@@ -492,7 +499,7 @@ public class CountedCompleterTest extend
     }
 
     /**
-     * quietlyCompleteRoot completes root task
+     * quietlyCompleteRoot completes root task and only root task
      */
     public void testQuietlyCompleteRoot() {
         NoopCC a = new NoopCC();