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files >> //opt/alt/alt-nodejs19/root/lib/node_modules/npm/node_modules.bundled/events/tests/subclass.js
// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var common = require('./common'); var test = require('tape'); var assert = require('assert'); var EventEmitter = require('../').EventEmitter; var util = require('util'); util.inherits(MyEE, EventEmitter); function MyEE(cb) { this.once(1, cb); this.emit(1); this.removeAllListeners(); EventEmitter.call(this); } var myee = new MyEE(common.mustCall()); util.inherits(ErrorEE, EventEmitter); function ErrorEE() { this.emit('error', new Error('blerg')); } assert.throws(function() { new ErrorEE(); }, /blerg/); test.onFinish(function() { assert.ok(!(myee._events instanceof Object)); assert.strictEqual(Object.keys(myee._events).length, 0); }); function MyEE2() { EventEmitter.call(this); } MyEE2.prototype = new EventEmitter(); var ee1 = new MyEE2(); var ee2 = new MyEE2(); ee1.on('x', function() {}); assert.strictEqual(ee2.listenerCount('x'), 0);
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