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