static void test_hashmap_merge(void) {
Hashmap *m;
Hashmap *n;
char *val1, *val2, *val3, *val4, *r;
val1 = strdup("my val1");
assert_se(val1);
val2 = strdup("my val2");
assert_se(val2);
val3 = strdup("my val3");
assert_se(val3);
val4 = strdup("my val4");
assert_se(val4);
n = hashmap_new(&string_hash_ops);
m = hashmap_new(&string_hash_ops);
hashmap_put(m, "Key 1", val1);
hashmap_put(m, "Key 2", val2);
hashmap_put(n, "Key 3", val3);
hashmap_put(n, "Key 4", val4);
assert_se(hashmap_merge(m, n) == 0);
r = hashmap_get(m, "Key 3");
assert_se(r && streq(r, "my val3"));
r = hashmap_get(m, "Key 4");
assert_se(r && streq(r, "my val4"));
assert_se(n);
assert_se(m);
hashmap_free(n);
hashmap_free_free(m);
}
int set_merge(Set *s, Set *other) {
return hashmap_merge(MAKE_HASHMAP(s), MAKE_HASHMAP(other));
}