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- // 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.
- require('./common');
- var assert = require('assert');
- var EventEmitter = require('../');
- var emitter = new EventEmitter();
- emitter.on('foo', function() {});
- emitter.on('foo', function() {});
- emitter.on('baz', function() {});
- // Allow any type
- emitter.on(123, function() {});
- assert.strictEqual(EventEmitter.listenerCount(emitter, 'foo'), 2);
- assert.strictEqual(emitter.listenerCount('foo'), 2);
- assert.strictEqual(emitter.listenerCount('bar'), 0);
- assert.strictEqual(emitter.listenerCount('baz'), 1);
- assert.strictEqual(emitter.listenerCount(123), 1);
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