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Diffstat (limited to '3rdparty/libuv/test/test-hrtime.c')
-rw-r--r-- | 3rdparty/libuv/test/test-hrtime.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/3rdparty/libuv/test/test-hrtime.c b/3rdparty/libuv/test/test-hrtime.c new file mode 100644 index 00000000000..72a4d4b181d --- /dev/null +++ b/3rdparty/libuv/test/test-hrtime.c @@ -0,0 +1,54 @@ +/* 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; +} |