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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
"use strict";
const URL = "data:text/html;charset=utf-8,<a href=%23>clickme</a>";
add_task(function* test_flush() {
// Create new tab.
let tab = gBrowser.addTab(URL);
let browser = tab.linkedBrowser;
yield promiseBrowserLoaded(browser);
// Flush to empty any queued update messages.
yield TabStateFlusher.flush(browser);
// There should be one history entry.
let {entries} = JSON.parse(ss.getTabState(tab));
is(entries.length, 1, "there is a single history entry");
// Click the link to navigate, this will add second shistory entry.
yield ContentTask.spawn(browser, null, function* () {
return new Promise(resolve => {
addEventListener("hashchange", function onHashChange() {
removeEventListener("hashchange", onHashChange);
resolve();
});
// Click the link.
content.document.querySelector("a").click();
});
});
// Flush to empty any queued update messages.
yield TabStateFlusher.flush(browser);
// There should be two history entries now.
({entries} = JSON.parse(ss.getTabState(tab)));
is(entries.length, 2, "there are two shistory entries");
// Cleanup.
gBrowser.removeTab(tab);
});
add_task(function* test_crash() {
// Create new tab.
let tab = gBrowser.addTab(URL);
gBrowser.selectedTab = tab;
let browser = tab.linkedBrowser;
yield promiseBrowserLoaded(browser);
// Flush to empty any queued update messages.
yield TabStateFlusher.flush(browser);
// There should be one history entry.
let {entries} = JSON.parse(ss.getTabState(tab));
is(entries.length, 1, "there is a single history entry");
// Click the link to navigate.
yield ContentTask.spawn(browser, null, function* () {
return new Promise(resolve => {
addEventListener("hashchange", function onHashChange() {
removeEventListener("hashchange", onHashChange);
resolve();
});
// Click the link.
content.document.querySelector("a").click();
});
});
// Crash the browser and flush. Both messages are async and will be sent to
// the content process. The "crash" message makes it first so that we don't
// get a chance to process the flush. The TabStateFlusher however should be
// notified so that the flush still completes.
let promise1 = BrowserTestUtils.crashBrowser(browser);
let promise2 = TabStateFlusher.flush(browser);
yield Promise.all([promise1, promise2]);
// The pending update should be lost.
({entries} = JSON.parse(ss.getTabState(tab)));
is(entries.length, 1, "still only one history entry");
// Cleanup.
gBrowser.removeTab(tab);
});
add_task(function* test_remove() {
// Create new tab.
let tab = gBrowser.addTab(URL);
let browser = tab.linkedBrowser;
yield promiseBrowserLoaded(browser);
// Flush to empty any queued update messages.
yield TabStateFlusher.flush(browser);
// There should be one history entry.
let {entries} = JSON.parse(ss.getTabState(tab));
is(entries.length, 1, "there is a single history entry");
// Click the link to navigate.
yield ContentTask.spawn(browser, null, function* () {
return new Promise(resolve => {
addEventListener("hashchange", function onHashChange() {
removeEventListener("hashchange", onHashChange);
resolve();
});
// Click the link.
content.document.querySelector("a").click();
});
});
// Request a flush and remove the tab. The flush should still complete.
yield Promise.all([TabStateFlusher.flush(browser), promiseRemoveTab(tab)]);
})
|
