tildefriends/deps/libuv/test/test-udp-dgram-too-big.c

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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define CHECK_HANDLE(handle) \
ASSERT((uv_udp_t*)(handle) == &handle_)
#define CHECK_REQ(req) \
ASSERT((req) == &req_);
static uv_udp_t handle_;
static uv_udp_send_t req_;
static int send_cb_called;
static int close_cb_called;
static void close_cb(uv_handle_t* handle) {
CHECK_HANDLE(handle);
close_cb_called++;
}
static void send_cb(uv_udp_send_t* req, int status) {
CHECK_REQ(req);
CHECK_HANDLE(req->handle);
ASSERT(status == UV_EMSGSIZE);
uv_close((uv_handle_t*)req->handle, close_cb);
send_cb_called++;
}
TEST_IMPL(udp_dgram_too_big) {
char dgram[65536]; /* 64K MTU is unlikely, even on localhost */
struct sockaddr_in addr;
uv_buf_t buf;
int r;
memset(dgram, 42, sizeof dgram); /* silence valgrind */
r = uv_udp_init(uv_default_loop(), &handle_);
ASSERT(r == 0);
buf = uv_buf_init(dgram, sizeof dgram);
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
r = uv_udp_send(&req_,
&handle_,
&buf,
1,
(const struct sockaddr*) &addr,
send_cb);
ASSERT(r == 0);
ASSERT(close_cb_called == 0);
ASSERT(send_cb_called == 0);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(send_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}