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Kamat, Trivikram
73236f33c0
Use getLibuvNow() when waiting for the timeout to expire. Date.now() may have different precision from libuv's clock, causing the immediate queue to run an extra iteration on platforms with coarse timers. Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com> Assisted-by: codex:gpt-5.6-sol PR-URL: https://github.com/nodejs/node/pull/64889 Refs: https://github.com/nodejs/reliability/issues?q=sort%3Aupdated-desc%20test-timers-immediate-queue Reviewed-By: Tim Perry <pimterry@gmail.com>
61 lines
2.0 KiB
JavaScript
61 lines
2.0 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// Flags: --expose-internals --no-warnings
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'use strict';
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require('../common');
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const assert = require('assert');
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const { internalBinding } = require('internal/test/binding');
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const timersBinding = internalBinding('timers');
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// setImmediate should run clear its queued cbs once per event loop turn
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// but immediates queued while processing the current queue should happen
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// on the next turn of the event loop.
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// hit should be the exact same size of QUEUE, if we're letting things
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// recursively add to the immediate QUEUE hit will be > QUEUE
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let ticked = false;
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let hit = 0;
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const QUEUE = 10;
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function run() {
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if (hit === 0) {
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setTimeout(() => { ticked = true; }, 1);
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const now = timersBinding.getLibuvNow();
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while (timersBinding.getLibuvNow() - now < 2);
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}
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if (ticked) return;
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hit += 1;
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setImmediate(run);
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}
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for (let i = 0; i < QUEUE; i++)
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setImmediate(run);
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process.on('exit', function() {
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assert.strictEqual(hit, QUEUE);
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});
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