DefaultCallbackHandler cmd = parse(" ");
assertFalse(cmd.hasOperationName());
assertFalse(cmd.hasProperties());
assertNull(cmd.getOutputTarget());
assertTrue(cmd.endsOnSeparator());
assertTrue(cmd.endsOnAddressOperationNameSeparator());
assertFalse(cmd.endsOnPropertyListStart());
assertFalse(cmd.endsOnPropertySeparator());
assertFalse(cmd.endsOnPropertyValueSeparator());
assertTrue(cmd.getPropertyNames().isEmpty());