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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.
- 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');
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