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root/jsr166/jsr166/src/test/tck/CopyOnWriteArraySetTest.java
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Comparing jsr166/src/test/tck/CopyOnWriteArraySetTest.java (file contents):
Revision 1.25 by jsr166, Wed Nov 30 05:42:38 2011 UTC vs.
Revision 1.26 by jsr166, Tue Apr 2 22:18:26 2013 UTC

# Line 349 | Line 349 | public class CopyOnWriteArraySetTest ext
349          assertEquals(y, x);
350      }
351  
352 +    /**
353 +     * addAll is idempotent
354 +     */
355 +    public void testAddAll_idempotent() throws Exception {
356 +        Set x = populatedSet(SIZE);
357 +        Set y = new CopyOnWriteArraySet(x);
358 +        y.addAll(x);
359 +        assertEquals(x, y);
360 +        assertEquals(y, x);
361 +    }
362 +
363   }

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