b7be251a18
- Added `icmp_create`. - Added `icmp_destroy`. - Added `icmp_get_fd`. - Added unit tests.
83 lines
1.6 KiB
C
83 lines
1.6 KiB
C
#include <criterion/criterion.h>
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#include "icmp.h"
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#include "internal/icmp_internal.h"
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/* Helper: check if we have CAP_NET_RAW capability */
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static int
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has_net_raw_capability(void)
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{
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icmp_handle_t *h = icmp_create();
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if (NULL != h)
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{
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icmp_destroy(h);
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return 1;
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}
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return 0;
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}
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/* Test 1: icmp_get_fd() with NULL handle returns -1 */
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Test(handle, get_fd_null_handle)
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{
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int fd = icmp_get_fd(NULL);
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cr_assert_eq(fd, -1, "Expected -1 for NULL handle");
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}
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/* Test 2: icmp_get_fd() returns valid file descriptor */
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Test(handle, get_fd_valid_handle)
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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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int fd = icmp_get_fd(h);
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cr_assert_geq(fd, 0, "Expected valid file descriptor (>= 0)");
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icmp_destroy(h);
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}
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/* Test 3: icmp_get_fd() is consistent across calls */
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Test(handle, get_fd_consistent)
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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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int fd1 = icmp_get_fd(h);
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int fd2 = icmp_get_fd(h);
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cr_assert_eq(fd1, fd2, "FD should be consistent across calls");
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icmp_destroy(h);
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}
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/* Test 4: icmp_get_fd() returns same FD as internal structure */
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Test(handle, get_fd_matches_internal)
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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 icmp_handle *handle = (struct icmp_handle *)h;
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int fd_public = icmp_get_fd(h);
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cr_assert_eq(fd_public, handle->fd,
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"Public FD should match internal FD");
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icmp_destroy(h);
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}
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