test: add tests for destructors of hashmap or set

[thirdparty/systemd.git] / src / test / test-set.c

/* SPDX-License-Identifier: LGPL-2.1+ */

#include "set.h"

static void test_set_steal_first(void) {
        _cleanup_set_free_ Set *m = NULL;
        int seen[3] = {};
        char *val;

        m = set_new(&string_hash_ops);
        assert_se(m);

        assert_se(set_put(m, (void*) "1") == 1);
        assert_se(set_put(m, (void*) "22") == 1);
        assert_se(set_put(m, (void*) "333") == 1);

        while ((val = set_steal_first(m)))
                seen[strlen(val) - 1]++;

        assert_se(seen[0] == 1 && seen[1] == 1 && seen[2] == 1);

        assert_se(set_isempty(m));
}

typedef struct Item {
        int seen;
} Item;
static void item_seen(Item *item) {
        item->seen++;
}

static void test_set_free_with_destructor(void) {
        Set *m;
        struct Item items[4] = {};
        unsigned i;

        assert_se(m = set_new(NULL));
        for (i = 0; i < ELEMENTSOF(items) - 1; i++)
                assert_se(set_put(m, items + i) == 1);

        m = set_free_with_destructor(m, item_seen);
        assert_se(items[0].seen == 1);
        assert_se(items[1].seen == 1);
        assert_se(items[2].seen == 1);
        assert_se(items[3].seen == 0);
}

DEFINE_PRIVATE_HASH_OPS_WITH_VALUE_DESTRUCTOR(item_hash_ops, void, trivial_hash_func, trivial_compare_func, Item, item_seen);

static void test_set_free_with_hash_ops(void) {
        Set *m;
        struct Item items[4] = {};
        unsigned i;

        assert_se(m = set_new(&item_hash_ops));
        for (i = 0; i < ELEMENTSOF(items) - 1; i++)
                assert_se(set_put(m, items + i) == 1);

        m = set_free(m);
        assert_se(items[0].seen == 1);
        assert_se(items[1].seen == 1);
        assert_se(items[2].seen == 1);
        assert_se(items[3].seen == 0);
}

static void test_set_put(void) {
        _cleanup_set_free_ Set *m = NULL;

        m = set_new(&string_hash_ops);
        assert_se(m);

        assert_se(set_put(m, (void*) "1") == 1);
        assert_se(set_put(m, (void*) "22") == 1);
        assert_se(set_put(m, (void*) "333") == 1);
        assert_se(set_put(m, (void*) "333") == 0);
        assert_se(set_remove(m, (void*) "333"));
        assert_se(set_put(m, (void*) "333") == 1);
        assert_se(set_put(m, (void*) "333") == 0);
        assert_se(set_put(m, (void*) "22") == 0);
}

int main(int argc, const char *argv[]) {
        test_set_steal_first();
        test_set_free_with_destructor();
        test_set_free_with_hash_ops();
        test_set_put();

        return 0;
}