NXPl788上lwip的无操作系统移植,基于Embest开发板

				#include "test_tcp.h"
				
				#include "lwip/tcp_impl.h"
				#include "lwip/stats.h"
				#include "tcp_helper.h"
				
				#if !LWIP_STATS || !TCP_STATS || !MEMP_STATS
				#error "This tests needs TCP- and MEMP-statistics enabled"
				#endif
				
				/* Setups/teardown functions */
				
				static void
				tcp_setup(void)
				{
				  tcp_remove_all();
				}
				
				static void
				tcp_teardown(void)
				{
				  tcp_remove_all();
				}
				
				
				/* Test functions */
				
				/** Call tcp_new() and tcp_abort() and test memp stats */
				START_TEST(test_tcp_new_abort)
				{
				  struct tcp_pcb* pcb;
				  LWIP_UNUSED_ARG(_i);
				
				  fail_unless(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
				
				  pcb = tcp_new();
				  fail_unless(pcb != NULL);
				  if (pcb != NULL) {
				    fail_unless(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
				    tcp_abort(pcb);
				    fail_unless(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
				  }
				}
				END_TEST
				
				/** Create an ESTABLISHED pcb and check if receive callback is called */
				START_TEST(test_tcp_recv_inseq)
				{
				  struct test_tcp_counters counters;
				  struct tcp_pcb* pcb;
				  struct pbuf* p;
				  char data[] = {1, 2, 3, 4};
				  ip_addr_t remote_ip, local_ip;
				  u16_t data_len;
				  u16_t remote_port = 0x100, local_port = 0x101;
				  struct netif netif;
				  LWIP_UNUSED_ARG(_i);
				
				  /* initialize local vars */
				  memset(&netif, 0, sizeof(netif));
				  IP4_ADDR(&local_ip, 192, 168, 1, 1);
				  IP4_ADDR(&remote_ip, 192, 168, 1, 2);
				  data_len = sizeof(data);
				  /* initialize counter struct */
				  memset(&counters, 0, sizeof(counters));
				  counters.expected_data_len = data_len;
				  counters.expected_data = data;
				
				  /* create and initialize the pcb */
				  pcb = test_tcp_new_counters_pcb(&counters);
				  EXPECT_RET(pcb != NULL);
				  tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
				
				  /* create a segment */
				  p = tcp_create_rx_segment(pcb, counters.expected_data, data_len, 0, 0, 0);
				  EXPECT(p != NULL);
				  if (p != NULL) {
				    /* pass the segment to tcp_input */
				    test_tcp_input(p, &netif);
				    /* check if counters are as expected */
				    EXPECT(counters.close_calls == 0);
				    EXPECT(counters.recv_calls == 1);
				    EXPECT(counters.recved_bytes == data_len);
				    EXPECT(counters.err_calls == 0);
				  }
				
				  /* make sure the pcb is freed */
				  EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
				  tcp_abort(pcb);
				  EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
				}
				END_TEST
				
				
				/** Create the suite including all tests for this module */
				Suite *
				tcp_suite(void)
				{
				  TFun tests[] = {
				    test_tcp_new_abort,
				    test_tcp_recv_inseq,
				  };
				  return create_suite("TCP", tests, sizeof(tests)/sizeof(TFun), tcp_setup, tcp_teardown);
				}