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denoland-deno/cli/tests/node_compat/test/parallel/test-next-tick-fixed-queue-regression.js
Yoshiya Hinosawa 6915a9b7a7
test(ext/node): more node compat tests (#17827)
This PR adds the remaining ~650 Node.js compat test cases from std/node.

Among these 650 cases, about 130 cases are now failing. These failing
cases are prefixed with `TODO:` in `tests/node_compat/config.json`.
These will be addressed in later PRs.
2023-02-20 16:35:04 +01:00

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JavaScript

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'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)));
});
});