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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 #ifndef MILLISEC
     26 # define MILLISEC 1000
     27 #endif
     28 
     29 #ifndef NANOSEC
     30 # define NANOSEC ((uint64_t) 1e9)
     31 #endif
     32 
     33 
     34 TEST_IMPL(hrtime) {
     35   uint64_t a, b, diff;
     36   int i = 75;
     37   while (i > 0) {
     38     a = uv_hrtime();
     39     uv_sleep(45);
     40     b = uv_hrtime();
     41 
     42     diff = b - a;
     43 
     44     /* The windows Sleep() function has only a resolution of 10-20 ms. Check
     45      * that the difference between the two hrtime values has a reasonable
     46      * lower bound.
     47      */
     48     ASSERT_UINT64_GT(diff, (uint64_t) 25 * NANOSEC / MILLISEC);
     49     --i;
     50   }
     51   return 0;
     52 }
     53 
     54 
     55 TEST_IMPL(clock_gettime) {
     56   uv_timespec64_t t;
     57 
     58   ASSERT_EQ(UV_EINVAL, uv_clock_gettime(1337, &t));
     59   ASSERT_EQ(UV_EFAULT, uv_clock_gettime(1337, NULL));
     60   ASSERT_OK(uv_clock_gettime(UV_CLOCK_MONOTONIC, &t));
     61   ASSERT_OK(uv_clock_gettime(UV_CLOCK_REALTIME, &t));
     62   ASSERT_GT(1682500000000ll, t.tv_sec);  /* 2023-04-26T09:06:40.000Z */
     63 
     64   return 0;
     65 }
     66