ln_prefix
|| !TEST_true(test_obj_create_once(NULL, NULL, ln_prefix "2"))
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "2"), NID_undef)
|| !TEST_true(test_obj_create_once(NULL, sn_prefix "3", ln_prefix "3"))
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "3"), NID_undef)
|| !TEST_true(test_obj_create_once(arc "6", NULL, ln_prefix "6"))
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "6"), NID_undef)
sn_prefix "7", ln_prefix "7"))
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "7"), NID_undef))
sn_prefix "8", ln_prefix "8")))