98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
#include <criterion/criterion.h>
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#include <arpa/inet.h>
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#include "icmp.h"
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#include "internal/icmp_internal.h"
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#include "test_helpers.h"
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/* Test 1: Send echo request successfully */
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Test(send_echo, simple_echo)
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{
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if (0 == has_net_raw_capability())
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{
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cr_skip("Test requires CAP_NET_RAW or root privileges");
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}
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icmp_handle_t *h = icmp_create();
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cr_assert_not_null(h);
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struct in_addr dest;
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dest.s_addr = inet_addr("127.0.0.1");
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int ret = icmp_send_echo(h, dest, 0x1234, 1, 64);
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cr_assert_eq(ret, 0, "Expected success (0)");
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cr_assert_str_eq(icmp_strerror(h), "No error");
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icmp_destroy(h);
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}
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/* Test 2: NULL handle returns -1 */
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Test(send_echo, null_handle)
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{
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struct in_addr dest;
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dest.s_addr = inet_addr("127.0.0.1");
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int ret = icmp_send_echo(NULL, dest, 1, 1, 64);
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cr_assert_eq(ret, -1, "Expected -1 for NULL handle");
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}
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/* Test 3: Invalid FD returns -1 */
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Test(send_echo, invalid_fd)
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{
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struct icmp_handle h = {0};
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h.fd = -1;
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struct in_addr dest;
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dest.s_addr = inet_addr("127.0.0.1");
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int ret = icmp_send_echo((icmp_handle_t *)&h, dest, 1, 1, 64);
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cr_assert_eq(ret, -1, "Expected -1 for invalid fd");
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}
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/* Test 4: Different TTL values */
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Test(send_echo, different_ttl)
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{
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if (0 == has_net_raw_capability())
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{
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cr_skip("Test requires CAP_NET_RAW or root privileges");
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}
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icmp_handle_t *h = icmp_create();
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cr_assert_not_null(h);
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struct in_addr dest;
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dest.s_addr = inet_addr("127.0.0.1");
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int ret1 = icmp_send_echo(h, dest, 1, 1, 1);
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cr_assert_eq(ret1, 0, "Expected success with TTL=1");
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int ret2 = icmp_send_echo(h, dest, 1, 2, 255);
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cr_assert_eq(ret2, 0, "Expected success with TTL=255");
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icmp_destroy(h);
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}
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/* Test 5: Different id and seq values */
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Test(send_echo, different_id_seq)
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{
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if (0 == has_net_raw_capability())
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{
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cr_skip("Test requires CAP_NET_RAW or root privileges");
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}
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icmp_handle_t *h = icmp_create();
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cr_assert_not_null(h);
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struct in_addr dest;
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dest.s_addr = inet_addr("127.0.0.1");
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int ret1 = icmp_send_echo(h, dest, 0xABCD, 42, 64);
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cr_assert_eq(ret1, 0, "Expected success with id=0xABCD, seq=42");
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int ret2 = icmp_send_echo(h, dest, 0, 0, 64);
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cr_assert_eq(ret2, 0, "Expected success with id=0, seq=0");
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icmp_destroy(h);
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}
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