| /* Copyright Joyent, Inc. and other Node contributors. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #include "uv.h" |
| #include "task.h" |
| |
| #ifndef MILLISEC |
| # define MILLISEC 1000 |
| #endif |
| |
| #ifndef NANOSEC |
| # define NANOSEC ((uint64_t) 1e9) |
| #endif |
| |
| |
| TEST_IMPL(hrtime) { |
| uint64_t a, b, diff; |
| int i = 75; |
| while (i > 0) { |
| a = uv_hrtime(); |
| uv_sleep(45); |
| b = uv_hrtime(); |
| |
| diff = b - a; |
| |
| /* printf("i= %d diff = %llu\n", i, (unsigned long long int) diff); */ |
| |
| /* The windows Sleep() function has only a resolution of 10-20 ms. */ |
| /* Check that the difference between the two hrtime values is somewhat in */ |
| /* the range we expect it to be. */ |
| ASSERT(diff > (uint64_t) 25 * NANOSEC / MILLISEC); |
| ASSERT(diff < (uint64_t) 80 * NANOSEC / MILLISEC); |
| --i; |
| } |
| return 0; |
| } |