test: fix conversion of microseconds in test

PR-URL: https://github.com/nodejs/node/pull/14706
Fixes: https://github.com/nodejs/node/issues/8728
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
This commit is contained in:
Nick Stanish 2017-08-08 22:48:47 -05:00 committed by Rich Trott
parent b72e702247
commit a439cf4354

View File

@ -17,14 +17,14 @@ while (Date.now() - now < RUN_FOR_MS);
// Get a diff reading from when we started. // Get a diff reading from when we started.
const diff = process.cpuUsage(start); const diff = process.cpuUsage(start);
const MICROSECONDS_PER_SECOND = 1000 * 1000; const MICROSECONDS_PER_MILLISECOND = 1000;
// Diff usages should be >= 0, <= ~RUN_FOR_MS millis. // Diff usages should be >= 0, <= ~RUN_FOR_MS millis.
// Let's be generous with the slop factor, defined above, in case other things // Let's be generous with the slop factor, defined above, in case other things
// are happening on this CPU. The <= check may be invalid if the node process // are happening on this CPU. The <= check may be invalid if the node process
// is making use of multiple CPUs, in which case, just remove it. // is making use of multiple CPUs, in which case, just remove it.
assert(diff.user >= 0); assert(diff.user >= 0);
assert(diff.user <= SLOP_FACTOR * RUN_FOR_MS * MICROSECONDS_PER_SECOND); assert(diff.user <= SLOP_FACTOR * RUN_FOR_MS * MICROSECONDS_PER_MILLISECOND);
assert(diff.system >= 0); assert(diff.system >= 0);
assert(diff.system <= SLOP_FACTOR * RUN_FOR_MS * MICROSECONDS_PER_SECOND); assert(diff.system <= SLOP_FACTOR * RUN_FOR_MS * MICROSECONDS_PER_MILLISECOND);