--- jsr166/src/test/tck/ConcurrentHashMapTest.java	2003/09/20 18:20:07	1.5
+++ jsr166/src/test/tck/ConcurrentHashMapTest.java	2003/11/28 12:38:08	1.6
@@ -435,5 +435,29 @@ public class ConcurrentHashMapTest exten
             unexpectedException();
         }
     }
+
+
+    /**
+     * SetValue of an EntrySet entry sets value in the map.
+     */
+    public void testSetValueWriteThrough() {
+        // Adapted from a bug report by Eric Zoerner 
+        ConcurrentHashMap map = new ConcurrentHashMap(2, 5.0f, 1);
+        assertTrue(map.isEmpty());
+        for (int i = 0; i < 20; i++)
+            map.put(new Integer(i), new Integer(i));
+        assertFalse(map.isEmpty());
+        Map.Entry entry1 = (Map.Entry)map.entrySet().iterator().next();
+        
+        // assert that entry1 is not 16
+        assertTrue("entry is 16, test not valid",
+                   !entry1.getKey().equals(new Integer(16)));
+        
+        // remove 16 (a different key) from map 
+        // which just happens to cause entry1 to be cloned in map
+        map.remove(new Integer(16));
+        entry1.setValue("XYZ");
+        assertTrue(map.containsValue("XYZ")); // fails
+    }
     
 }