test-tcp-alloc-cb-fail.c

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 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "uv.h"
#include "task.h"
 
static uv_tcp_t server;
static uv_tcp_t client;
static uv_tcp_t incoming;
static int connect_cb_called;
static int close_cb_called;
static int connection_cb_called;
static uv_write_t write_req;
 
static char hello[] = "HELLO!";
 
 
static void close_cb(uv_handle_t* handle) {
  close_cb_called++;
}
 
static void write_cb(uv_write_t* req, int status) {
  ASSERT(status == 0);
}
 
static void conn_alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
  /* Do nothing, read_cb should be called with UV_ENOBUFS. */
}
 
static void conn_read_cb(uv_stream_t* stream,
                         ssize_t nread,
                         const uv_buf_t* buf) {
  ASSERT(nread == UV_ENOBUFS);
  ASSERT(buf->base == NULL);
  ASSERT(buf->len == 0);
 
  uv_close((uv_handle_t*) &incoming, close_cb);
  uv_close((uv_handle_t*) &client, close_cb);
  uv_close((uv_handle_t*) &server, close_cb);
}
 
static void connect_cb(uv_connect_t* req, int status) {
  int r;
  uv_buf_t buf;
 
  ASSERT(status == 0);
  connect_cb_called++;
 
  buf = uv_buf_init(hello, sizeof(hello));
  r = uv_write(&write_req, req->handle, &buf, 1, write_cb);
  ASSERT(r == 0);
}
 
 
static void connection_cb(uv_stream_t* tcp, int status) {
  ASSERT(status == 0);
 
  ASSERT(0 == uv_tcp_init(tcp->loop, &incoming));
  ASSERT(0 == uv_accept(tcp, (uv_stream_t*) &incoming));
  ASSERT(0 == uv_read_start((uv_stream_t*) &incoming,
                            conn_alloc_cb,
                            conn_read_cb));
 
  connection_cb_called++;
}
 
 
static void start_server(void) {
  struct sockaddr_in addr;
 
  ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
 
  ASSERT(0 == uv_tcp_init(uv_default_loop(), &server));
  ASSERT(0 == uv_tcp_bind(&server, (struct sockaddr*) &addr, 0));
  ASSERT(0 == uv_listen((uv_stream_t*) &server, 128, connection_cb));
}
 
 
TEST_IMPL(tcp_alloc_cb_fail) {
  uv_connect_t connect_req;
  struct sockaddr_in addr;
 
  start_server();
 
  ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
 
  ASSERT(0 == uv_tcp_init(uv_default_loop(), &client));
  ASSERT(0 == uv_tcp_connect(&connect_req,
                             &client,
                             (struct sockaddr*) &addr,
                             connect_cb));
 
  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
 
  ASSERT(connect_cb_called == 1);
  ASSERT(connection_cb_called == 1);
  ASSERT(close_cb_called == 3);
 
  MAKE_VALGRIND_HAPPY();
  return 0;
}