node/test/parallel/test-events-getmaxlisteners.js
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events: getMaxListeners detects 0 listeners
PR-URL: https://github.com/nodejs/node/pull/56807
Refs: https://github.com/nodejs/undici/issues/4032
Refs: c1ccade02f
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
2025-01-30 19:55:18 +00:00

25 lines
629 B
JavaScript

'use strict';
require('../common');
const assert = require('node:assert');
const { getMaxListeners, EventEmitter, defaultMaxListeners, setMaxListeners } = require('node:events');
{
const ee = new EventEmitter();
assert.strictEqual(getMaxListeners(ee), defaultMaxListeners);
setMaxListeners(101, ee);
assert.strictEqual(getMaxListeners(ee), 101);
}
{
const et = new EventTarget();
assert.strictEqual(getMaxListeners(et), defaultMaxListeners);
setMaxListeners(101, et);
assert.strictEqual(getMaxListeners(et), 101);
}
{
const ac = new AbortController();
assert.strictEqual(getMaxListeners(ac.signal), 0);
}