#include <criterion/criterion.h>
#include "icmp.h"
#include "internal/icmp_internal.h"
#include "internal/icmp_recv.h"
#include "test_helpers.h"

Test(receive_packet, invalid_fd)
{
	uint8_t buffer[64];
	struct sockaddr_in from;
	ssize_t ret;

	ret = recv_receive_packet(-1, buffer, sizeof(buffer), &from);
	cr_assert_eq(ret, -1);
}

Test(receive_packet, no_data_available)
{
	icmp_handle_t *h;
	uint8_t buffer[64];
	struct sockaddr_in from;
	ssize_t ret;

	if (0 == has_net_raw_capability())
		cr_skip("Test requires CAP_NET_RAW or root privileges");
	h = icmp_create();
	cr_assert_not_null(h);
	ret = recv_receive_packet(((struct icmp_handle *)h)->fd, buffer,
							sizeof(buffer), &from);
	cr_assert_eq(ret, 0, "Should return 0 when no data (EAGAIN)");
	icmp_destroy(h);
}