/* 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;

    /* The windows Sleep() function has only a resolution of 10-20 ms. Check

     * that the difference between the two hrtime values has a reasonable

     * lower bound.

     */

    ASSERT(diff > (uint64_t) 25 * NANOSEC / MILLISEC);

    --i;

  }

  return 0;

}