@Test
public void testForZero() throws Exception {

    // I seriously can't be arsed to adapt the unit test for
    // Windows.
    if (! "/".equals(File.separator)) {
        return;
    }
    SlotMapper mapper = new SlotMapper();
    assertEquals("1970/01/01/"+SERVICENAME+"_1970-01-01_00", mapper.map(0L, SERVICENAME));
}