| // 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 assert = require('assert'); |
| var events = require('../'); |
| var e = new events.EventEmitter(); |
| |
| var hasDefineProperty = !!Object.defineProperty; |
| try { Object.defineProperty({}, 'x', { value: 0 }); } catch (err) { hasDefineProperty = false } |
| |
| e.on('maxListeners', common.mustCall()); |
| |
| // Should not corrupt the 'maxListeners' queue. |
| e.setMaxListeners(42); |
| |
| var throwsObjs = [NaN, -1, 'and even this']; |
| var maxError = /^RangeError: The value of "n" is out of range\. It must be a non-negative number\./; |
| var defError = /^RangeError: The value of "defaultMaxListeners" is out of range\. It must be a non-negative number\./; |
| |
| for (var i = 0; i < throwsObjs.length; i++) { |
| var obj = throwsObjs[i]; |
| assert.throws(function() { e.setMaxListeners(obj); }, maxError); |
| if (hasDefineProperty) { |
| assert.throws(function() { events.defaultMaxListeners = obj; }, defError); |
| } |
| } |
| |
| e.emit('maxListeners'); |