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
89
90
91
92
93
|
// META: script=/common/utils.js
const sw_url = location.pathname.replace(/[^/]*$/, '') +
"./resources/sharedworker-partitioning-helper.js";
promise_test(async t => {
// Create 4 iframes (two normal and two credentialless ones) and create
// a shared worker with the same url in all of them.
//
// Creating the same shared worker again with the same url is a
// no-op. However, credentialless iframes get partitioned shared workers,
// so we should have a total of 2 shared workers at the end (one for
// the normal iframes and one for the credentialless ones).
let iframes = await Promise.all([
{ name: "normal", credentialless: false},
{ name: "normal_control", credentialless: false},
{ name: "credentialless", credentialless: true},
{ name: "credentialless_control", credentialless: true},
].map(async ({name, credentialless}) => {
let iframe = await new Promise(resolve => {
let iframe = document.createElement('iframe');
iframe.onload = () => resolve(iframe);
iframe.src = '/common/blank.html';
if (credentialless) iframe.credentialless = true;
document.body.append(iframe);
});
let sw = new iframe.contentWindow.SharedWorker(sw_url);
return { iframe: iframe, name: name, sw: sw };
}));
// Ping each worker telling him which iframe it belongs to.
await Promise.all(iframes.map(iframe => {
iframe.sw.port.postMessage({ action: 'record', from: iframe.name});
return new Promise(resolve => {
iframe.sw.port.onmessage = event => {
if (event.data.ack === iframe.name) resolve();
}
});
}));
// Ping each (iframe, sharedworker) asking for which messages it got.
let msgs = await Promise.all(iframes.map(iframe => {
iframe.sw.port.postMessage({ action: 'retrieve', from: iframe.name });
return new Promise(resolve => {
iframe.sw.port.onmessage = event => {
if (event.data.ack === iframe.name) resolve(event.data.messages);
}
});
}));
// The "normal" iframe sharedworker belongs to the "normal" and the
// "normal_control" iframes.
assert_true(!!msgs[0]["normal"] &&
!!msgs[0]["normal_control"] &&
!msgs[0]["credentialless"] &&
!msgs[0]["credentialless_control"],
'The "normal" iframe\'s sharedworker should return ' +
'{"normal": true, "normal_control": true}, ' +
'but instead returned ' + JSON.stringify(msgs[0]));
// The "normal_control" iframe shares the same sharedworker as the "normal"
// iframe.
assert_true(!!msgs[1]["normal"] &&
!!msgs[1]["normal_control"] &&
!msgs[1]["credentialless"] &&
!msgs[1]["credentialless_control"],
'The "normal_control" iframe\'s sharedworker should return ' +
'{"normal": true, "normal_control": true}, ' +
'but instead returned ' + JSON.stringify(msgs[1]));
// The "credentialless" iframe sharedworker belongs to the "credentialless" and the
// "credentialless_control" iframes.
assert_true(!msgs[2]["normal"] &&
!msgs[2]["normal_control"] &&
!!msgs[2]["credentialless"] &&
!!msgs[2]["credentialless_control"],
'The "credentialless" iframe\'s sharedworker should return ' +
'{"credentialless": true, "credentialless_control": true}, ' +
'but instead returned ' + JSON.stringify(msgs[2]));
// The "credentialless_control" iframe shares the same sharedworker as
// the "credentialless" iframe.
assert_true(!msgs[3]["normal"] &&
!msgs[3]["normal_control"] &&
!!msgs[3]["credentialless"] &&
!!msgs[3]["credentialless_control"],
'The "credentialless_control" iframe\'s sharedworker should return ' +
'{"credentialless": true, "credentialless_control": true}, ' +
'but instead returned ' + JSON.stringify(msgs[3]));
}, "credentialless iframes get partitioned shared workers.");
|