public void testCompactExternalIds() {
    System.out.println("\n*** testCompactExternalIds ***");
    try {
      final Object obj = CycAccess.baseKB;
      final String id = "Mx4rvViBEZwpEbGdrcN5Y29ycA";
      assertEquals(id, DefaultCycObject.toCompactExternalId(obj, getCyc()));
      assertEquals(obj, DefaultCycObject.fromCompactExternalId(id, getCyc()));
    } catch (Exception e) {
      failWithException(e);
    }
    System.out.println("*** testCompactExternalIds OK ***");
  }