@Test public void new_iteratorTest() { int[] lengths = new int[] {1, 2, 1000}; for (int len : lengths) { TupleDesc td = Utility.getTupleDesc(len); Iterator<TupleDesc.TDItem> i = td.iterator(); while (i.hasNext()) { TupleDesc.TDItem item = i.next(); assertEquals(Type.INT_TYPE, item.fieldType); assertEquals("", item.fieldName); } } }