hash table test

This commit is contained in:
Nils O. Selåsdal
2013-10-17 21:00:57 +02:00
parent 4b13f1f1c9
commit 9f41543fb1
+125
View File
@@ -0,0 +1,125 @@
#include <check.h>
#include <string.h>
#include <ucore/htable.h>
#include <ucore/utils.h>
struct MyString {
char str[32];
struct UHNode node;
};
size_t hash_str(const char *str)
{
size_t hash = 31;
while (*str) {
hash *= *str++;
}
return hash;
}
struct MyString *my_find(struct UHTable *table, const char *str)
{
struct UHNode *it;
size_t hash = hash_str(str);
UC_HTABLE_FOREACH_HASH(table, it, hash) {
struct MyString *my_str = UC_CONTAINER_OF(it, struct MyString, node);
if (strcmp(my_str->str, str) == 0) {
return my_str;
}
}
return NULL;
}
START_TEST (test_htable1)
struct MyString str[5] = {
{"One", {0,NULL}},
{"Two", {0,NULL}},
{"Three",{0,NULL}},
{"Four", {0,NULL}},
{"Five", {0,NULL}}
};
struct UHTable table;
int i;
uc_htable_init(&table, 3);
for (i = 0; i < 5; i++) {
uc_htable_insert(&table, &str[i].node, hash_str(str[i].str));
}
ck_assert_int_eq(uc_htable_count(&table), 5);
fail_if(my_find(&table, "One") != &str[0]);
fail_if(my_find(&table, "Two") != &str[1]);
fail_if(my_find(&table, "Three") != &str[2]);
fail_if(my_find(&table, "Four") != &str[3]);
fail_if(my_find(&table, "Five") != &str[4]);
END_TEST
START_TEST (test_htable_resize)
struct MyString str[5] = {
{"One", {0,NULL}},
{"Two", {0,NULL}},
{"Three",{0,NULL}},
{"Four", {0,NULL}},
{"Five", {0,NULL}}
};
struct UHTable table;
int i;
int rc;
rc = uc_htable_init(&table, 3);
ck_assert_int_eq(rc, 0);
for (i = 0; i < 5; i++) {
uc_htable_insert(&table, &str[i].node, hash_str(str[i].str));
}
ck_assert_int_eq(uc_htable_count(&table), 5);
rc = uc_htable_resize(&table, 1024);
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(uc_htable_count(&table), 5);
fail_if(my_find(&table, "One") != &str[0]);
fail_if(my_find(&table, "Two") != &str[1]);
fail_if(my_find(&table, "Three") != &str[2]);
fail_if(my_find(&table, "Four") != &str[3]);
fail_if(my_find(&table, "Five") != &str[4]);
END_TEST
START_TEST (test_htable_fail_init_resize)
int rc;
struct UHTable table;
rc = uc_htable_init(&table, 0);
ck_assert_int_ne(rc, 0);
rc = uc_htable_init(&table, 1);
ck_assert_int_eq(rc, 0);
rc = uc_htable_resize(&table, 0);
ck_assert_int_ne(rc, 0);
END_TEST
Suite *htable_suite(void)
{
Suite *s = suite_create("htable");
TCase *tc = tcase_create("htable tests");
tcase_add_test(tc, test_htable1);
tcase_add_test(tc, test_htable_resize);
tcase_add_test(tc, test_htable_fail_init_resize);
suite_add_tcase(s, tc);
return s;
}