libicmp/tests/send/test_set_socket_ttl.c
2026-01-26 20:14:11 +01:00

64 lines
1.4 KiB
C

#include <criterion/criterion.h>
#include "icmp.h"
#include "internal/icmp_internal.h"
#include "internal/icmp_send.h"
#include "test_helpers.h"
/* Test 1: Set TTL successfully */
Test(send_set_socket_ttl, success)
{
if (0 == has_net_raw_capability())
{
cr_skip("Test requires CAP_NET_RAW or root privileges");
}
icmp_handle_t *h = icmp_create();
cr_assert_not_null(h);
struct icmp_handle *handle = (struct icmp_handle *)h;
int ret = send_set_socket_ttl(handle, 64);
cr_assert_eq(ret, 0, "Expected success (0)");
icmp_destroy(h);
}
/* Test 2: Invalid FD returns -1 */
Test(send_set_socket_ttl, invalid_fd)
{
struct icmp_handle h = {0};
h.fd = -1;
h.last_error = ICMP_OK;
h.error_msg[0] = '\0';
int ret = send_set_socket_ttl(&h, 64);
cr_assert_eq(ret, -1, "Expected -1 for invalid FD");
cr_assert_eq(h.last_error, ICMP_ERR_SOCKET,
"Error code should be ICMP_ERR_SOCKET");
}
/* Test 3: Different TTL values */
Test(send_set_socket_ttl, different_values)
{
if (0 == has_net_raw_capability())
{
cr_skip("Test requires CAP_NET_RAW or root privileges");
}
icmp_handle_t *h = icmp_create();
cr_assert_not_null(h);
struct icmp_handle *handle = (struct icmp_handle *)h;
/* TTL=1 */
int ret = send_set_socket_ttl(handle, 1);
cr_assert_eq(ret, 0, "Expected success with TTL=1");
/* TTL=255 */
ret = send_set_socket_ttl(handle, 255);
cr_assert_eq(ret, 0, "Expected success with TTL=255");
icmp_destroy(h);
}