@Test
public void testSingleRange() throws ParseException {

    DateRangeVisitor visitor = new DateRangeVisitor("start", "end");
    visitor.visit(buildRangeFeature("2008-10-31T00:00:00.000Z", "2008-11-01T00:00:00.000Z"));
    
    Set<String> range = visitor.getRange();
    assertEquals(1, range.size());
    assertEquals("2008-10-31T00:00:00.000Z/2008-11-01T00:00:00.000Z/PT1S", range.iterator().next());
}