ok1(strset_set(&set, str));
ok1(strset_test(&set, str));
/* We compare the string, not the pointer. */
ok1(strset_test(&set, dup));
ok1(!strset_test(&set, none));
ok1(strset_set(&set, str));
ok1(strset_test(&set, str));
/* We compare the string, not the pointer. */
ok1(strset_test(&set, dup));
ok1(!strset_test(&set, none));