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a647d82f83
* Add benchmarks for diffing a previous result * Improvements to the documentation, including type annotation * Update the outdated comments in src/node.cc, improve comments in lib/internal/process.js * Check the argument is an Array Tuple with length 2 PR-URL: https://github.com/nodejs/node/pull/10764 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Brian White <mscdex@mscdex.net>
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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// the default behavior, return an Array "tuple" of numbers
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const 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(() => {
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process.hrtime(1);
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}, /^TypeError: process.hrtime\(\) only accepts an Array tuple$/);
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assert.throws(() => {
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process.hrtime([]);
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}, /^TypeError: process.hrtime\(\) only accepts an Array tuple$/);
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assert.throws(() => {
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process.hrtime([1]);
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}, /^TypeError: process.hrtime\(\) only accepts an Array tuple$/);
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assert.throws(() => {
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process.hrtime([1, 2, 3]);
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}, /^TypeError: process.hrtime\(\) only accepts an Array tuple$/);
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function validateTuple(tuple) {
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assert(Array.isArray(tuple));
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assert.strictEqual(tuple.length, 2);
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assert(Number.isInteger(tuple[0]));
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assert(Number.isInteger(tuple[1]));
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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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