Index: trunk/modules/luni/src/test/java/tests/api/java/util/AbstractCollectionTest.java =================================================================== --- trunk/modules/luni/src/test/java/tests/api/java/util/AbstractCollectionTest.java (revision 448441) +++ trunk/modules/luni/src/test/java/tests/api/java/util/AbstractCollectionTest.java (working copy) @@ -170,6 +170,14 @@ } } + /** + * @tests java.util.AbstractCollection#toString() + */ + public void test_toString() { + //Regression for HARMONY-1522 + assertEquals("[]", new java.util.concurrent.CopyOnWriteArraySet().toString()); + } + protected void setUp() { org = new HashSet(); for (int i = 0; i < 100; i++)