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nodejs/test/parallel/test-process-hrtime.js
Brian White 61ebfa8d1f tools: add unescaped regexp dot rule to linter
PR-URL: https://github.com/nodejs/node/pull/11834
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
2017-03-29 10:53:28 +02:00

58 lines
2.2 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
require('../common');
const assert = require('assert');
// the default behavior, return an Array "tuple" of numbers
const tuple = process.hrtime();
// validate the default behavior
validateTuple(tuple);
// validate that passing an existing tuple returns another valid tuple
validateTuple(process.hrtime(tuple));
// test that only an Array may be passed to process.hrtime()
assert.throws(() => {
process.hrtime(1);
}, /^TypeError: process\.hrtime\(\) only accepts an Array tuple$/);
assert.throws(() => {
process.hrtime([]);
}, /^TypeError: process\.hrtime\(\) only accepts an Array tuple$/);
assert.throws(() => {
process.hrtime([1]);
}, /^TypeError: process\.hrtime\(\) only accepts an Array tuple$/);
assert.throws(() => {
process.hrtime([1, 2, 3]);
}, /^TypeError: process\.hrtime\(\) only accepts an Array tuple$/);
function validateTuple(tuple) {
assert(Array.isArray(tuple));
assert.strictEqual(tuple.length, 2);
assert(Number.isInteger(tuple[0]));
assert(Number.isInteger(tuple[1]));
}
const diff = process.hrtime([0, 1e9 - 1]);
assert(diff[1] >= 0); // https://github.com/nodejs/node/issues/4751