[6a3a178] | 1 | // Copyright Joyent, Inc. and other Node contributors.
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| 2 | //
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| 3 | // Permission is hereby granted, free of charge, to any person obtaining a
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| 4 | // copy of this software and associated documentation files (the
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| 5 | // "Software"), to deal in the Software without restriction, including
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| 6 | // without limitation the rights to use, copy, modify, merge, publish,
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| 7 | // distribute, sublicense, and/or sell copies of the Software, and to permit
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| 8 | // persons to whom the Software is furnished to do so, subject to the
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| 9 | // following conditions:
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| 10 | //
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| 11 | // The above copyright notice and this permission notice shall be included
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| 12 | // in all copies or substantial portions of the Software.
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| 13 | //
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| 14 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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| 15 | // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 16 | // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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| 17 | // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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| 18 | // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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| 19 | // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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| 20 | // USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 21 |
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| 22 | var common = require('./common');
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| 23 | var assert = require('assert');
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| 24 | var events = require('../');
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| 25 | var e = new events.EventEmitter();
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| 26 |
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| 27 | var hasDefineProperty = !!Object.defineProperty;
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| 28 | try { Object.defineProperty({}, 'x', { value: 0 }); } catch (err) { hasDefineProperty = false }
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| 29 |
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| 30 | e.on('maxListeners', common.mustCall());
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| 31 |
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| 32 | // Should not corrupt the 'maxListeners' queue.
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| 33 | e.setMaxListeners(42);
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| 34 |
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| 35 | var throwsObjs = [NaN, -1, 'and even this'];
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| 36 | var maxError = /^RangeError: The value of "n" is out of range\. It must be a non-negative number\./;
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| 37 | var defError = /^RangeError: The value of "defaultMaxListeners" is out of range\. It must be a non-negative number\./;
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| 38 |
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| 39 | for (var i = 0; i < throwsObjs.length; i++) {
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| 40 | var obj = throwsObjs[i];
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| 41 | assert.throws(function() { e.setMaxListeners(obj); }, maxError);
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| 42 | if (hasDefineProperty) {
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| 43 | assert.throws(function() { events.defaultMaxListeners = obj; }, defError);
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| 44 | }
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| 45 | }
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| 46 |
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| 47 | e.emit('maxListeners');
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