510 static void check_group(const group* grp, const char* group_name, gid_t gid,  in check_group()  argument
516   EXPECT_EQ(gid, grp->gr_gid);  in check_group()
526 static void check_getgrgid(const char* group_name, gid_t gid, bool check_groupname) {  in check_getgrgid()  argument
528   group* grp = getgrgid(gid);  in check_getgrgid()
531   check_group(grp, group_name, gid, check_groupname);  in check_getgrgid()
534 static void check_getgrnam(const char* group_name, gid_t gid, bool check_groupname) {  in check_getgrnam()  argument
539   check_group(grp, group_name, gid, check_groupname);  in check_getgrnam()
542 static void check_getgrgid_r(const char* group_name, gid_t gid, bool check_groupname) {  in check_getgrgid_r()  argument
548   int result = getgrgid_r(gid, &grp_storage, buf, sizeof(buf), &grp);  in check_getgrgid_r()
552   check_group(grp, group_name, gid, check_groupname);  in check_getgrgid_r()
555 static void check_getgrnam_r(const char* group_name, gid_t gid, bool check_groupname) {  in check_getgrnam_r()  argument
565   check_group(grp, group_name, gid, check_groupname);  in check_getgrnam_r()
568 static void check_get_group(const char* group_name, gid_t gid, bool check_groupname = true) {  in check_get_group()  argument
570   check_getgrgid(group_name, gid, check_groupname);  in check_get_group()
571   check_getgrnam(group_name, gid, check_groupname);  in check_get_group()
572   check_getgrgid_r(group_name, gid, check_groupname);  in check_get_group()
573   check_getgrnam_r(group_name, gid, check_groupname);  in check_get_group()
576 static void expect_no_group_id(gid_t gid) {  in expect_no_group_id()  argument
577   SCOPED_TRACE("gid '" + std::to_string(gid) + "'");  in expect_no_group_id()
580   group = getgrgid(gid);  in expect_no_group_id()
586   EXPECT_EQ(ENOENT, getgrgid_r(gid, &group_storage, buf, sizeof(buf), &group));  in expect_no_group_id()