You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

28 lines
556 B

'use strict';
const common = require('../common');
var events = require('events');
var e = new events.EventEmitter();
e.once('hello', common.mustCall(function(a, b) {}));
e.emit('hello', 'a', 'b');
e.emit('hello', 'a', 'b');
e.emit('hello', 'a', 'b');
e.emit('hello', 'a', 'b');
var remove = function() {
common.fail('once->foo should not be emitted');
};
e.once('foo', remove);
e.removeListener('foo', remove);
e.emit('foo');
e.once('e', common.mustCall(function() {
e.emit('e');
}));
e.once('e', common.mustCall(function() {}));
e.emit('e');