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1e5a02628c
Fix a regression introduced in commit 89f056b ("node: improve
performance of hrtime()") where the nanosecond field sometimes
had a negative value when calculating the difference between two
timestamps.
Fixes: https://github.com/nodejs/node/issues/4751
PR-URL: https://github.com/nodejs/node/pull/4757
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
30 lines
751 B
JavaScript
30 lines
751 B
JavaScript
'use strict';
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require('../common');
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var assert = require('assert');
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// the default behavior, return an Array "tuple" of numbers
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var tuple = process.hrtime();
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// validate the default behavior
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validateTuple(tuple);
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// validate that passing an existing tuple returns another valid tuple
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validateTuple(process.hrtime(tuple));
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// test that only an Array may be passed to process.hrtime()
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assert.throws(function() {
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process.hrtime(1);
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});
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function validateTuple(tuple) {
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assert(Array.isArray(tuple));
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assert.equal(2, tuple.length);
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tuple.forEach(function(v) {
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assert.equal('number', typeof v);
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assert(isFinite(v));
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});
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}
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const diff = process.hrtime([0, 1e9 - 1]);
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assert(diff[1] >= 0); // https://github.com/nodejs/node/issues/4751
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