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Make test-hrtime a little better

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This commit is contained in:
Bert Belder 2011-07-19 14:59:46 +02:00
parent cd0dcce98c
commit 3d2d97dbae
1 changed files with 8 additions and 11 deletions
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19
test/test-hrtime.c
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@ -22,9 +22,8 @@
#include "uv.h"
#include "task.h"
#ifndef MICROSEC
# define MICROSEC 1000000
#ifndef MILLISEC
# define MILLISEC 1000
#endif
#ifndef NANOSEC
@ -32,11 +31,6 @@
#endif
/*
* We expect the amount of time passed to be at least one us plus two system
* calls. Therefore checking that at least a microsecond has elapsed is safe.
*/
TEST_IMPL(hrtime) {
uint64_t a, b, diff;
@ -46,9 +40,12 @@ TEST_IMPL(hrtime) {
diff = b - a;
printf("diff = %llu\n", (unsigned long long int)diff);
printf("diff = %llu\n", (unsigned long long int) diff);
ASSERT(diff >= NANOSEC / MICROSEC);
ASSERT(diff > MICROSEC);
/* 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) 80 * NANOSEC / MILLISEC);
ASSERT(diff < (uint64_t) 120 * NANOSEC / MILLISEC);
return 0;
}