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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
<!-- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ -->
<!DOCTYPE HTML>
<html>
<head>
<title>Test Cache with QuotaManager Restart</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="large_url_list.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script class="testbody" type="text/javascript">
function setupTestIframe() {
return new Promise(function(resolve) {
var iframe = document.createElement("iframe");
iframe.src = "empty.html";
iframe.onload = function() {
window.caches = iframe.contentWindow.caches;
resolve();
};
document.body.appendChild(iframe);
});
}
function clearStorage() {
return new Promise(function(resolve, reject) {
var qms = SpecialPowers.Services.qms;
var principal = SpecialPowers.wrap(document).nodePrincipal;
var request = qms.clearStoragesForPrincipal(principal);
var cb = SpecialPowers.wrapCallback(resolve);
request.callback = cb;
});
}
function storageUsage() {
return new Promise(function(resolve, reject) {
var qms = SpecialPowers.Services.qms;
var principal = SpecialPowers.wrap(document).nodePrincipal;
var cb = SpecialPowers.wrapCallback(function(request) {
var result = request.result;
resolve(result.usage);
});
qms.getUsageForPrincipal(principal, cb);
});
}
function resetStorage() {
return new Promise(function(resolve, reject) {
var qms = SpecialPowers.Services.qms;
var principal = SpecialPowers.wrap(document).nodePrincipal;
var request = qms.resetStoragesForPrincipal(principal);
var cb = SpecialPowers.wrapCallback(resolve);
request.callback = cb;
});
}
function gc() {
return new Promise(function(resolve, reject) {
SpecialPowers.exactGC(resolve);
});
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({
"set": [["dom.caches.enabled", true],
["dom.caches.testing.enabled", true],
["dom.quotaManager.testing", true],],
}, function() {
var name = "foo";
var cache = null;
var initialUsage = 0;
var fullUsage = 0;
var endUsage = 0;
// start from a fresh origin directory so other tests do not influence our
// results
setupTestIframe().then(function() {
return clearStorage();
}).then(function() {
return storageUsage();
}).then(function(usage) {
is(0, usage, "disk usage should be zero to start");
return caches.open(name);
}).then(function(c) {
cache = c;
return storageUsage();
}).then(function(usage) {
initialUsage = usage;
return Promise.all(largeUrlList.map(function(url) {
return cache.put(new Request(url), new Response());
}));
}).then(function() {
return cache.keys();
}).then(function(keyList) {
is(keyList.length, largeUrlList.length, "Large URL list is stored in cache");
cache = null;
// Ensure the Cache DOM object is gone before proceeding. If its alive
// it will keep the related entries on-disk as well.
return gc();
}).then(function() {
// reset the quota manager storage to ensure the DB connection is flushed
return resetStorage();
}).then(function() {
return storageUsage();
}).then(function(usage) {
fullUsage = usage;
ok(fullUsage > initialUsage, "disk usage should have grown");
return caches.delete(name);
}).then(function(result) {
ok(result, "cache should be deleted");
// This is a bit superfluous, but its necessary to make sure the Cache is
// fully deleted before we proceed. The deletion actually takes place in
// two async steps. We don't want to resetStorage() until the second step
// has taken place. This extra Cache operation ensure that all the
// runnables have been flushed through the threads, etc.
return caches.has(name);
}).then(function(result) {
ok(!result, "cache should not exist in storage");
// reset the quota manager storage to ensure the DB connection is flushed
return resetStorage();
}).then(function() {
return storageUsage();
}).then(function(usage) {
endUsage = usage;
dump("### ### initial:" + initialUsage + ", full:" + fullUsage +
", end:" + endUsage + "\n");
ok(endUsage < (fullUsage / 2), "disk usage should have shrank significantly");
ok(endUsage > initialUsage, "disk usage should not shrink back to orig size");
SimpleTest.finish();
});
});
</script>
</body>
</html>
|
