@Test
public void testIdentifiers() {

    ReferenceIdentifier[] identifiers = Utilities.getIdentifiers("WGS84");
    assertNotNull(identifiers);
    assertEquals(7, identifiers.length);
    NamedIdentifier first = (NamedIdentifier) identifiers[0];
    assertEquals(first.getCode(), "WGS84");
    assertEquals(first.getAuthority(), Citations.OGC);
}