62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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var common = require('../common');
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var assert = require('assert');
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var events = require('events');
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var count = 0;
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function listener1() {
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console.log('listener1');
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count++;
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}
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function listener2() {
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console.log('listener2');
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count++;
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}
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function listener3() {
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console.log('listener3');
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count++;
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}
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var e1 = new events.EventEmitter();
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e1.on('hello', listener1);
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e1.removeListener('hello', listener1);
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assert.deepEqual([], e1.listeners('hello'));
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var e2 = new events.EventEmitter();
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e2.on('hello', listener1);
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e2.removeListener('hello', listener2);
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assert.deepEqual([listener1], e2.listeners('hello'));
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var e3 = new events.EventEmitter();
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e3.on('hello', listener1);
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e3.on('hello', listener2);
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e3.removeListener('hello', listener1);
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assert.deepEqual([listener2], e3.listeners('hello'));
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