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59 lines
1.8 KiB
59 lines
1.8 KiB
// 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 assert = require('assert'); |
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var events = require('../'); |
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var e = new events.EventEmitter(); |
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var times_hello_emited = 0; |
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e.once('hello', function(a, b) { |
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times_hello_emited++; |
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}); |
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e.emit('hello', 'a', 'b'); |
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e.emit('hello', 'a', 'b'); |
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e.emit('hello', 'a', 'b'); |
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e.emit('hello', 'a', 'b'); |
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var remove = function() { |
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assert.fail(1, 0, 'once->foo should not be emitted', '!'); |
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}; |
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e.once('foo', remove); |
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e.removeListener('foo', remove); |
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e.emit('foo'); |
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var times_recurse_emitted = 0; |
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e.once('e', function() { |
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e.emit('e'); |
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times_recurse_emitted++; |
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}); |
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e.once('e', function() { |
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times_recurse_emitted++; |
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}); |
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e.emit('e'); |
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assert.equal(1, times_hello_emited); |
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assert.equal(2, times_recurse_emitted);
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