xref: /libuv/test/test-run-once.c (revision 011a1ac1)
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 #define NUM_TICKS 64
26 
27 static uv_idle_t idle_handle;
28 static int idle_counter;
29 
30 
idle_cb(uv_idle_t * handle)31 static void idle_cb(uv_idle_t* handle) {
32   ASSERT_PTR_EQ(handle, &idle_handle);
33 
34   if (++idle_counter == NUM_TICKS)
35     uv_idle_stop(handle);
36 }
37 
38 
TEST_IMPL(run_once)39 TEST_IMPL(run_once) {
40   uv_idle_init(uv_default_loop(), &idle_handle);
41   uv_idle_start(&idle_handle, idle_cb);
42 
43   while (uv_run(uv_default_loop(), UV_RUN_ONCE));
44   ASSERT_EQ(idle_counter, NUM_TICKS);
45 
46   MAKE_VALGRIND_HAPPY(uv_default_loop());
47   return 0;
48 }
49