deno.land / std@0.166.0 / node / _tools / test / parallel / test-timers-non-integer-delay.js
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// 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';const common = require('../common');const assert = require('assert');
// This test makes sure that non-integer timer delays do not make the process// hang. See https://github.com/joyent/node/issues/8065 and// https://github.com/joyent/node/issues/8068 which have been fixed by// https://github.com/joyent/node/pull/8073.//// If the process hangs, this test will make the tests suite timeout,// otherwise it will exit very quickly (after 50 timers with a short delay// fire).//// We have to set at least several timers with a non-integer delay to// reproduce the issue. Sometimes, a timer with a non-integer delay will// expire correctly. 50 timers has always been more than enough to reproduce// it 100%.
const TIMEOUT_DELAY = 1.1;let N = 50;
const interval = setInterval(common.mustCall(() => { if (--N === 0) { clearInterval(interval); }}, N), TIMEOUT_DELAY);
// Test non-integer delay ordering{ const ordering = [];
setTimeout(common.mustCall(() => { ordering.push(1); }), 1);
setTimeout(common.mustCall(() => { ordering.push(2); }), 1.8);
setTimeout(common.mustCall(() => { ordering.push(3); }), 1.1);
setTimeout(common.mustCall(() => { ordering.push(4); }), 1);
setTimeout(common.mustCall(() => { const expected = [1, 2, 3, 4];
assert.deepStrictEqual( ordering, expected, `Non-integer delay ordering should be ${expected}, but got ${ordering}` );
// 2 should always be last of these delays due to ordering guarantees by // the implementation. }), 2);}
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