| // 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 events = require('../'); |
| |
| var e = new events.EventEmitter(); |
| var num_args_emitted = []; |
| |
| e.on('numArgs', function() { |
| var numArgs = arguments.length; |
| num_args_emitted.push(numArgs); |
| }); |
| |
| e.on('foo', function() { |
| num_args_emitted.push(arguments.length); |
| }); |
| |
| e.on('foo', function() { |
| num_args_emitted.push(arguments.length); |
| }); |
| |
| e.emit('numArgs'); |
| e.emit('numArgs', null); |
| e.emit('numArgs', null, null); |
| e.emit('numArgs', null, null, null); |
| e.emit('numArgs', null, null, null, null); |
| e.emit('numArgs', null, null, null, null, null); |
| |
| e.emit('foo', null, null, null, null); |
| |
| assert.ok(Array.isArray(num_args_emitted)); |
| assert.strictEqual(num_args_emitted.length, 8); |
| assert.strictEqual(num_args_emitted[0], 0); |
| assert.strictEqual(num_args_emitted[1], 1); |
| assert.strictEqual(num_args_emitted[2], 2); |
| assert.strictEqual(num_args_emitted[3], 3); |
| assert.strictEqual(num_args_emitted[4], 4); |
| assert.strictEqual(num_args_emitted[5], 5); |
| assert.strictEqual(num_args_emitted[6], 4); |
| assert.strictEqual(num_args_emitted[6], 4); |