node/test/parallel/test-events-getmaxlisteners.js

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);
}