1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
var tape = require("tape");
var EventEmitter = require("..");
tape.test("eventemitter", function(test) {
var ee = new EventEmitter();
var fn;
var ctx = {};
test.doesNotThrow(function() {
ee.emit("a", 1);
ee.off();
ee.off("a");
ee.off("a", function() {});
}, "should not throw if no listeners are registered");
test.equal(ee.on("a", function(arg1) {
test.equal(this, ctx, "should be called with this = ctx");
test.equal(arg1, 1, "should be called with arg1 = 1");
}, ctx), ee, "should return itself when registering events");
ee.emit("a", 1);
ee.off("a");
test.same(ee._listeners, { a: [] }, "should remove all listeners of the respective event when calling off(evt)");
ee.off();
test.same(ee._listeners, {}, "should remove all listeners when just calling off()");
ee.on("a", fn = function(arg1) {
test.equal(this, ctx, "should be called with this = ctx");
test.equal(arg1, 1, "should be called with arg1 = 1");
}, ctx).emit("a", 1);
ee.off("a", fn);
test.same(ee._listeners, { a: [] }, "should remove the exact listener when calling off(evt, fn)");
ee.on("a", function() {
test.equal(this, ee, "should be called with this = ee");
}).emit("a");
test.doesNotThrow(function() {
ee.off("a", fn);
}, "should not throw if no such listener is found");
test.end();
});
|
