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author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/events/tests/once.js | |
parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) |
node_modules
Diffstat (limited to 'node_modules/events/tests/once.js')
-rw-r--r-- | node_modules/events/tests/once.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/events/tests/once.js b/node_modules/events/tests/once.js new file mode 100644 index 000000000..61453191f --- /dev/null +++ b/node_modules/events/tests/once.js @@ -0,0 +1,59 @@ +// 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 assert = require('assert'); +var events = require('../'); + +var e = new events.EventEmitter(); +var times_hello_emited = 0; + +e.once('hello', function(a, b) { + times_hello_emited++; +}); + +e.emit('hello', 'a', 'b'); +e.emit('hello', 'a', 'b'); +e.emit('hello', 'a', 'b'); +e.emit('hello', 'a', 'b'); + +var remove = function() { + assert.fail(1, 0, 'once->foo should not be emitted', '!'); +}; + +e.once('foo', remove); +e.removeListener('foo', remove); +e.emit('foo'); + +var times_recurse_emitted = 0; + +e.once('e', function() { + e.emit('e'); + times_recurse_emitted++; +}); + +e.once('e', function() { + times_recurse_emitted++; +}); + +e.emit('e'); + +assert.equal(1, times_hello_emited); +assert.equal(2, times_recurse_emitted); |