@Test public void testRepeated() { String[] arr = new String[10000]; final String STR = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"; Arrays.fill(arr, STR); DualPivotQuicksort.sort(arr); assertTrue(Tests.isRepeated(arr, STR)); }