void test_trie_lookup(void)
{
Trie *trie;
char buf[10];
int *val;
int i;
trie = generate_trie();
/* Test lookup for non-existent values */
assert(trie_lookup(trie, "000000000000000") == TRIE_NULL);
assert(trie_lookup(trie, "") == TRIE_NULL);
/* Look up all values */
for (i=0; i<NUM_TEST_VALUES; ++i) {
sprintf(buf, "%i", i);
val = (int *) trie_lookup(trie, buf);
assert(*val == i);
}
trie_free(trie);
}
void test_trie_remove(void)
{
Trie *trie;
char buf[10];
int i;
unsigned int entries;
trie = generate_trie();
/* Test remove on non-existent values. */
assert(trie_remove(trie, "000000000000000") == 0);
assert(trie_remove(trie, "") == 0);
entries = trie_num_entries(trie);
assert(entries == NUM_TEST_VALUES);
/* Remove all values */
for (i=0; i<NUM_TEST_VALUES; ++i) {
sprintf(buf, "%i", i);
/* Remove value and check counter */
assert(trie_remove(trie, buf) != 0);
--entries;
assert(trie_num_entries(trie) == entries);
}
trie_free(trie);
}
void test_trie_insert(void)
{
Trie *trie;
unsigned int entries;
size_t allocated;
trie = generate_trie();
/* Test insert of NULL value has no effect */
entries = trie_num_entries(trie);
assert(trie_insert(trie, "hello world", NULL) == 0);
assert(trie_num_entries(trie) == entries);
/* Test out of memory scenario */
allocated = alloc_test_get_allocated();
alloc_test_set_limit(0);
assert(trie_insert(trie, "a", "test value") == 0);
assert(trie_num_entries(trie) == entries);
/* Test rollback */
alloc_test_set_limit(5);
assert(trie_insert(trie, "hello world", "test value") == 0);
assert(alloc_test_get_allocated() == allocated);
assert(trie_num_entries(trie) == entries);
trie_free(trie);
}
void test_trie_replace(void)
{
Trie *trie;
int *val;
trie = generate_trie();
/* Test replacing values */
val = malloc(sizeof(int));
*val = 999;
assert(trie_insert(trie, "999", val) != 0);
assert(trie_num_entries(trie) == NUM_TEST_VALUES);
assert(trie_lookup(trie, "999") == val);
free(val);
trie_free(trie);
}
// Replace the pairs in the given input, optionally ignoring escaped characters
static char* string_replace(char* input, str_pair_t* pairs, char no_escape) {
trie_node_t* trie = generate_trie(pairs);
char* retval = trie_replace(input, trie, no_escape);
free(trie);
return retval;
}