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nodejs/test/pummel/test-process-hrtime.js
Gibson Fahnestock 7a0e462f9f test: use eslint to fix var->const/let
Manually fix issues that eslint --fix couldn't do automatically.

PR-URL: https://github.com/nodejs/node/pull/10685
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
2017-01-11 11:43:52 +00:00

21 lines
487 B
JavaScript

'use strict';
require('../common');
const assert = require('assert');
const start = process.hrtime();
// process.hrtime() should return an Array
assert(Array.isArray(start));
// busy-loop for 2 seconds
const now = Date.now();
while (Date.now() - now < 2000);
// get a diff reading
const diff = process.hrtime(start);
// should be at least 1 second, at most 2 seconds later
// (the while loop will usually exit a few nanoseconds before 2)
assert(diff[0] >= 1);
assert(diff[0] <= 2);