xref: /netbsd-src/external/mit/libuv/dist/test/test-loop-time.c (revision 82d56013d7b633d116a93943de88e08335357a7c)
1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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3  * Permission is hereby granted, free of charge, to any person obtaining a copy
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14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20  */
21 
22 #include "uv.h"
23 #include "task.h"
24 
25 
26 TEST_IMPL(loop_update_time) {
27   uint64_t start;
28 
29   start = uv_now(uv_default_loop());
30   while (uv_now(uv_default_loop()) - start < 1000)
31     ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_NOWAIT));
32 
33   MAKE_VALGRIND_HAPPY();
34   return 0;
35 }
36 
37 static void cb(uv_timer_t* timer) {
38   uv_close((uv_handle_t*)timer, NULL);
39 }
40 
41 TEST_IMPL(loop_backend_timeout) {
42   uv_loop_t *loop = uv_default_loop();
43   uv_timer_t timer;
44   int r;
45 
46   r = uv_timer_init(loop, &timer);
47   ASSERT(r == 0);
48 
49   ASSERT(!uv_loop_alive(loop));
50   ASSERT(uv_backend_timeout(loop) == 0);
51 
52   r = uv_timer_start(&timer, cb, 1000, 0); /* 1 sec */
53   ASSERT(r == 0);
54   ASSERT(uv_backend_timeout(loop) > 100); /* 0.1 sec */
55   ASSERT(uv_backend_timeout(loop) <= 1000); /* 1 sec */
56 
57   r = uv_run(loop, UV_RUN_DEFAULT);
58   ASSERT(r == 0);
59   ASSERT(uv_backend_timeout(loop) == 0);
60 
61   MAKE_VALGRIND_HAPPY();
62   return 0;
63 }
64