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45 lines
841 B
45 lines
841 B
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var events = require('events');
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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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process.on('exit', function() {
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assert.equal(1, times_hello_emited);
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});
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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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process.on('exit', function() {
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assert.equal(2, times_recurse_emitted);
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});
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