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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 static int idle_cb_called;
26 static int timer_cb_called;
27 
28 static uv_idle_t idle_handle;
29 static uv_timer_t timer_handle;
30 
31 
32 /* idle_cb should run before timer_cb */
idle_cb(uv_idle_t * handle)33 static void idle_cb(uv_idle_t* handle) {
34   ASSERT(idle_cb_called == 0);
35   ASSERT(timer_cb_called == 0);
36   uv_idle_stop(handle);
37   idle_cb_called++;
38 }
39 
40 
timer_cb(uv_timer_t * handle)41 static void timer_cb(uv_timer_t* handle) {
42   ASSERT(idle_cb_called == 1);
43   ASSERT(timer_cb_called == 0);
44   uv_timer_stop(handle);
45   timer_cb_called++;
46 }
47 
48 
next_tick(uv_idle_t * handle)49 static void next_tick(uv_idle_t* handle) {
50   uv_loop_t* loop = handle->loop;
51   uv_idle_stop(handle);
52   uv_idle_init(loop, &idle_handle);
53   uv_idle_start(&idle_handle, idle_cb);
54   uv_timer_init(loop, &timer_handle);
55   uv_timer_start(&timer_handle, timer_cb, 0, 0);
56 }
57 
58 
TEST_IMPL(callback_order)59 TEST_IMPL(callback_order) {
60   uv_loop_t* loop;
61   uv_idle_t idle;
62 
63   loop = uv_default_loop();
64   uv_idle_init(loop, &idle);
65   uv_idle_start(&idle, next_tick);
66 
67   ASSERT(idle_cb_called == 0);
68   ASSERT(timer_cb_called == 0);
69 
70   uv_run(loop, UV_RUN_DEFAULT);
71 
72   ASSERT(idle_cb_called == 1);
73   ASSERT(timer_cb_called == 1);
74 
75   MAKE_VALGRIND_HAPPY();
76   return 0;
77 }
78