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
|
/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
const fakeEventType = "foo";
function testEventTarget(event) {
if (event.target !== self) {
throw new Error("Event has a bad target!");
}
if (event.currentTarget) {
throw new Error("Event has a bad currentTarget!");
}
postMessage(event.data);
}
addEventListener(fakeEventType, function(event) {
throw new Error("Trusted event listener received untrusted event!");
}, false, false);
addEventListener(fakeEventType, function(event) {
if (event.target !== self || event.currentTarget !== self) {
throw new Error("Fake event has bad target!");
}
if (event.isTrusted) {
throw new Error("Event should be untrusted!");
}
event.stopImmediatePropagation();
postMessage(event.data);
}, false, true);
addEventListener(fakeEventType, function(event) {
throw new Error("This shouldn't get called because of stopImmediatePropagation.");
}, false, true);
var count = 0;
onmessage = function(event) {
if (event.target !== self || event.currentTarget !== self) {
throw new Error("Event has bad target!");
}
if (!count++) {
var exception;
try {
self.dispatchEvent(event);
}
catch(e) {
exception = e;
}
if (!exception) {
throw new Error("Recursive dispatch didn't fail!");
}
event = new MessageEvent(fakeEventType, { bubbles: event.bubbles,
cancelable: event.cancelable,
data: event.data,
origin: "*",
source: null
});
self.dispatchEvent(event);
return;
}
setTimeout(testEventTarget, 0, event);
};
|