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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const events = require("dom/events");
const { activeBrowserWindow: { document } } = require("window-utils");
const window = document.window;
exports["test on / emit"] = function (assert, done) {
let element = document.createElement("div");
events.on(element, "click", function listener(event) {
assert.equal(event.target, element, "event has correct target");
events.removeListener(element, "click", listener);
done();
});
events.emit(element, "click", {
category: "MouseEvents",
settings: [
true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null
]
});
};
exports["test remove"] = function (assert, done) {
let element = document.createElement("span");
let l1 = 0;
let l2 = 0;
let options = {
category: "MouseEvents",
settings: [
true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null
]
};
events.on(element, "click", function listener1(event) {
l1 ++;
assert.equal(event.target, element, "event has correct target");
events.removeListener(element, "click", listener1);
});
events.on(element, "click", function listener2(event) {
l2 ++;
if (l1 < l2) {
assert.equal(l1, 1, "firs listener was called and then romeved");
events.removeListener(element, "click", listener2);
done();
}
events.emit(element, "click", options);
});
events.emit(element, "click", options);
};
exports["test once"] = function (assert, done) {
let element = document.createElement("h1");
let l1 = 0;
let l2 = 0;
let options = {
category: "MouseEvents",
settings: [
true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null
]
};
events.once(element, "click", function listener(event) {
assert.equal(event.target, element, "event target is a correct element");
l1 ++;
});
events.on(element, "click", function listener(event) {
l2 ++;
if (l2 > 3) {
events.removeListener(element, "click", listener);
assert.equal(event.target, element, "event has correct target");
assert.equal(l1, 1, "once was called only once");
done();
}
events.emit(element, "click", options);
});
events.emit(element, "click", options);
}
require("test").run(exports);
|
