/*
* @brief get next hop for known destination but unsufficient size for the output
* It is expected to get no next hop and receive -ENOBUFS
*/
static void test_fib_13_get_next_hop_fail_on_buffer_size(void)
{
size_t add_buf_size = 16; /* includes space for terminating \0 */
char addr_dst[] = "Test address 13";
kernel_pid_t iface_id = KERNEL_PID_UNDEF;
uint32_t next_hop_flags = 0;
size_t add_buf_size_nxt = 12;
char addr_nxt[add_buf_size];
size_t entries = 20;
_fill_FIB_multiple(entries, 11);
TEST_ASSERT_EQUAL_INT(20, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
int ret = fib_get_next_hop(&iface_id,
(uint8_t *)addr_nxt, &add_buf_size_nxt, &next_hop_flags,
(uint8_t *)addr_dst, add_buf_size - 1, 0x13);
TEST_ASSERT_EQUAL_INT(-ENOBUFS, ret);
TEST_ASSERT_EQUAL_INT(add_buf_size_nxt, add_buf_size - 1);
#if (TEST_FIB_SHOW_OUTPUT == 1)
fib_print_fib_table();
puts("");
universal_address_print_table();
puts("");
#endif
fib_deinit();
}
/*
* @brief filling the FIB with entries and update an entry
* It is expected to have FIB entry 13 with updated lifetime of 9999
* and entry 7 with updated iface ID of 7, lifetime of 7777 and next hop "Test address 77"
*/
static void test_fib_09_update_entry(void)
{
size_t add_buf_size = 16; /* includes space for terminating \0 */
char addr_dst13[] = "Test address 13";
char addr_dst07[] = "Test address 07";
char addr_nxt2[] = "Test address 99";
char addr_nxt77[] = "Test address 77";
size_t entries = 20;
_fill_FIB_multiple(entries, 11);
TEST_ASSERT_EQUAL_INT(20, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
fib_update_entry((uint8_t *)addr_dst13, add_buf_size - 1,
(uint8_t *)addr_nxt2, add_buf_size - 1, 0x99, 9999);
fib_update_entry((uint8_t *)addr_dst07, add_buf_size - 1,
(uint8_t *)addr_nxt77, add_buf_size - 1, 0x77, 7777);
#if (TEST_FIB_SHOW_OUTPUT == 1)
fib_print_fib_table();
puts("");
universal_address_print_table();
puts("");
#endif
fib_deinit();
}
/*
* @brief filling the FIB with entries and removing an unknown entry
* It is expected to have 20 FIB entries and 20 universal address entries after removing
*/
static void test_fib_08_remove_unknown(void)
{
size_t add_buf_size = 16; /* includes space for terminating \0 */
char addr_dst[] = "Test address 99";
size_t entries = 20;
_fill_FIB_multiple(entries, 11);
TEST_ASSERT_EQUAL_INT(20, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
fib_remove_entry((uint8_t *)addr_dst, add_buf_size - 1);
fib_remove_entry((uint8_t *)addr_dst, add_buf_size - 1);
fib_remove_entry((uint8_t *)addr_dst, add_buf_size - 1);
#if (TEST_FIB_SHOW_OUTPUT == 1)
fib_print_fib_table();
puts("");
universal_address_print_table();
puts("");
#endif
TEST_ASSERT_EQUAL_INT(20, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
fib_deinit();
}
/*
* @brief filling the FIB with entries and removing the upper 1/2 entries (10..19)
* It is expected to have 10 FIB entries and 10 universal address entries after remove
*/
static void test_fib_05_remove_upper_half(void)
{
size_t add_buf_size = 16;
char addr_dst[add_buf_size];
size_t entries = 20;
_fill_FIB_multiple(entries, 11);
TEST_ASSERT_EQUAL_INT(20, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
for (size_t i = 0; i < entries / 2; ++i) {
/* construct "addresses" to remove */
snprintf(addr_dst, add_buf_size, "Test address %02d", ((entries / 2) + i));
fib_remove_entry((uint8_t *)addr_dst, add_buf_size - 1);
}
#if (TEST_FIB_SHOW_OUTPUT == 1)
fib_print_fib_table();
puts("");
universal_address_print_table();
puts("");
#endif
TEST_ASSERT_EQUAL_INT(10, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(10, universal_address_get_num_used_entries());
fib_deinit();
}
/*
* @brief call get next hop with invalid parameters
* It is expected to receive -EINVAL on calling get_next_hop()
*/
static void test_fib_18_get_next_hop_invalid_parameters(void)
{
size_t add_buf_size = 16; /* includes space for terminating \0 */
char addr_dst[] = "Test address 13";
char addr_expect[] = "Test address 02";
kernel_pid_t iface_id = KERNEL_PID_UNDEF;
uint32_t next_hop_flags = 0;
char addr_nxt[add_buf_size];
size_t entries = 20;
_fill_FIB_multiple(entries, 11);
int ret = fib_get_next_hop(&test_fib_table, NULL, NULL,
NULL, NULL,NULL, add_buf_size - 1, 0x13);
TEST_ASSERT_EQUAL_INT(-EINVAL, ret);
ret = fib_get_next_hop(&test_fib_table, &iface_id,
(uint8_t *)addr_nxt, &add_buf_size, &next_hop_flags,
(uint8_t *)addr_dst, add_buf_size - 1, 0x13);
TEST_ASSERT_EQUAL_INT(0, ret);
ret = strncmp(addr_expect, addr_nxt, add_buf_size);
TEST_ASSERT_EQUAL_INT(0, ret);
#if (TEST_FIB_SHOW_OUTPUT == 1)
fib_print_fib_table(&test_fib_table);
puts("");
universal_address_print_table();
puts("");
#endif
fib_deinit(&test_fib_table);
}
/*
* @brief filling the FIB with reusable entries
* It is expected to have 20 FIB entries and 20 universal address entries
*/
static void test_fib_02_fill_multiple_entries(void)
{
size_t entries = 20;
_fill_FIB_multiple(entries, 11);
#if (TEST_FIB_SHOW_OUTPUT == 1)
fib_print_fib_table();
puts("");
universal_address_print_table();
puts("");
#endif
TEST_ASSERT_EQUAL_INT(20, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
fib_deinit();
}
/*
* @brief filling the FIB with entries and removing one entry
* It is expected to have 19 FIB entries and still 20 universal address entries
* after removing 02
* (the use count for 02 is reduced to 1 after remove)
*/
static void test_fib_06_remove_one_entry(void)
{
size_t add_buf_size = 16;
char addr_dst[] = "Test address 02";
size_t entries = 20;
_fill_FIB_multiple(entries, 11);
TEST_ASSERT_EQUAL_INT(20, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
fib_remove_entry((uint8_t *)addr_dst, add_buf_size - 1);
#if (TEST_FIB_SHOW_OUTPUT == 1)
fib_print_fib_table();
puts("");
universal_address_print_table();
puts("");
#endif
TEST_ASSERT_EQUAL_INT(19, fib_get_num_used_entries());
TEST_ASSERT_EQUAL_INT(20, universal_address_get_num_used_entries());
fib_deinit();
}