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comparison third_party/libuv/test/test-udp-dgram-too-big.c @ 160:948de3f54cea

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[ThirdParty] Added libuv
author June Park <parkjune1995@gmail.com>
date Wed, 14 Jan 2026 19:39:52 -0800
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159:05cf9467a1c3 160:948de3f54cea
1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include "uv.h"
23 #include "task.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28
29 #define CHECK_HANDLE(handle) \
30 ASSERT_PTR_EQ((uv_udp_t*)(handle), &handle_)
31
32 #define CHECK_REQ(req) \
33 ASSERT_PTR_EQ((req), &req_);
34
35 static uv_udp_t handle_;
36 static uv_udp_send_t req_;
37
38 static int send_cb_called;
39 static int close_cb_called;
40
41
42 static void close_cb(uv_handle_t* handle) {
43 CHECK_HANDLE(handle);
44 close_cb_called++;
45 }
46
47
48 static void send_cb(uv_udp_send_t* req, int status) {
49 CHECK_REQ(req);
50 CHECK_HANDLE(req->handle);
51
52 ASSERT_EQ(status, UV_EMSGSIZE);
53
54 uv_close((uv_handle_t*)req->handle, close_cb);
55 send_cb_called++;
56 }
57
58
59 TEST_IMPL(udp_dgram_too_big) {
60 char dgram[65536]; /* 64K MTU is unlikely, even on localhost */
61 struct sockaddr_in addr;
62 uv_buf_t buf;
63 int r;
64
65 memset(dgram, 42, sizeof dgram); /* silence valgrind */
66
67 r = uv_udp_init(uv_default_loop(), &handle_);
68 ASSERT_OK(r);
69
70 buf = uv_buf_init(dgram, sizeof dgram);
71 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
72
73 r = uv_udp_send(&req_,
74 &handle_,
75 &buf,
76 1,
77 (const struct sockaddr*) &addr,
78 send_cb);
79 ASSERT_OK(r);
80
81 ASSERT_OK(close_cb_called);
82 ASSERT_OK(send_cb_called);
83
84 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
85
86 ASSERT_EQ(1, send_cb_called);
87 ASSERT_EQ(1, close_cb_called);
88
89 MAKE_VALGRIND_HAPPY(uv_default_loop());
90 return 0;
91 }