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4f2e372716
Export a new common.noop no-operation function for general use. Allow using common.mustCall() without a fn argument to simplify test cases. Replace various non-op functions throughout tests with common.noop PR-URL: https://github.com/nodejs/node/pull/12027 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
38 lines
962 B
JavaScript
38 lines
962 B
JavaScript
'use strict';
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const common = require('../common');
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const EventEmitter = require('events');
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const assert = require('assert');
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const ee = new EventEmitter();
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const handler = common.noop;
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assert.deepStrictEqual(ee.eventNames(), []);
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assert.strictEqual(ee._events.hasOwnProperty, undefined);
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assert.strictEqual(ee._events.toString, undefined);
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ee.on('__proto__', handler);
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ee.on('__defineGetter__', handler);
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ee.on('toString', handler);
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assert.deepStrictEqual(ee.eventNames(), [
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'__proto__',
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'__defineGetter__',
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'toString'
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]);
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assert.deepStrictEqual(ee.listeners('__proto__'), [handler]);
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assert.deepStrictEqual(ee.listeners('__defineGetter__'), [handler]);
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assert.deepStrictEqual(ee.listeners('toString'), [handler]);
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ee.on('__proto__', common.mustCall(function(val) {
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assert.strictEqual(val, 1);
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}));
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ee.emit('__proto__', 1);
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process.on('__proto__', common.mustCall(function(val) {
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assert.strictEqual(val, 1);
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}));
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process.emit('__proto__', 1);
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