mirror of https://github.com/nodejs/node.git
40 lines
760 B
JavaScript
40 lines
760 B
JavaScript
|
require("../common");
|
||
|
|
var events = require('events');
|
||
|
|
|
||
|
|
|
||
|
|
count = 0;
|
||
|
|
|
||
|
|
function listener1 () {
|
||
|
|
puts('listener1');
|
||
|
|
count++;
|
||
|
|
}
|
||
|
|
|
||
|
|
function listener2 () {
|
||
|
|
puts('listener2');
|
||
|
|
count++;
|
||
|
|
}
|
||
|
|
|
||
|
|
function listener3 () {
|
||
|
|
puts('listener3');
|
||
|
|
count++;
|
||
|
|
}
|
||
|
|
|
||
|
|
e1 = new events.EventEmitter();
|
||
|
|
e1.addListener("hello", listener1);
|
||
|
|
e1.removeListener("hello", listener1);
|
||
|
|
assert.deepEqual([], e1.listeners('hello'));
|
||
|
|
|
||
|
|
e2 = new events.EventEmitter();
|
||
|
|
e2.addListener("hello", listener1);
|
||
|
|
e2.removeListener("hello", listener2);
|
||
|
|
assert.deepEqual([listener1], e2.listeners('hello'));
|
||
|
|
|
||
|
|
e3 = new events.EventEmitter();
|
||
|
|
e3.addListener("hello", listener1);
|
||
|
|
e3.addListener("hello", listener2);
|
||
|
|
e3.removeListener("hello", listener1);
|
||
|
|
assert.deepEqual([listener2], e3.listeners('hello'));
|
||
|
|
|
||
|
|
|
||
|
|
|