nodejs-mozilla/test/parallel/test-next-tick-fixed-queue-...

19 lines
684 B
JavaScript

'use strict';
const common = require('../common');
// This tests a highly specific regression tied to the FixedQueue size, which
// was introduced in Node.js 9.7.0: https://github.com/nodejs/node/pull/18617
// More specifically, a nextTick list could potentially end up not fully
// clearing in one run through if exactly 2048 ticks were added after
// microtasks were executed within the nextTick loop.
process.nextTick(() => {
Promise.resolve(1).then(() => {
for (let i = 0; i < 2047; i++)
process.nextTick(common.mustCall());
const immediate = setImmediate(common.mustNotCall());
process.nextTick(common.mustCall(() => clearImmediate(immediate)));
});
});