dom/tests/mochitest/localstorage/frameQuota.html

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 <html xmlns="http://www.w3.org/1999/xhtml">
michael@0 2 <head>
michael@0 3 <title>slave for sessionStorage test</title>
michael@0 4
michael@0 5 <script type="text/javascript" src="interOriginFrame.js"></script>
michael@0 6 <script type="text/javascript">
michael@0 7
michael@0 8 const DOM_QUOTA_REACHED = 2152924150;
michael@0 9
michael@0 10 function checkException(func, exc)
michael@0 11 {
michael@0 12 var exceptionThrew = false;
michael@0 13 try {
michael@0 14 func();
michael@0 15 }
michael@0 16 catch (ex) {
michael@0 17 exceptionThrew = true;
michael@0 18 is(ex.result, exc, "Expected "+exc+" exception");
michael@0 19 }
michael@0 20 ok(exceptionThrew, "Exception "+exc+" threw at "+location);
michael@0 21 }
michael@0 22
michael@0 23 function doStep()
michael@0 24 {
michael@0 25 var query = location.search.substring(1);
michael@0 26 var queries = query.split("&");
michael@0 27
michael@0 28 var operation = queries[0];
michael@0 29 var keyName = queries[1];
michael@0 30 var result = queries[2];
michael@0 31
michael@0 32 switch (result)
michael@0 33 {
michael@0 34 case "success":
michael@0 35 switch (operation)
michael@0 36 {
michael@0 37 case "add":
michael@0 38 // Store 500 bytes long string must succeed
michael@0 39 localStorage.setItem(keyName, "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890");
michael@0 40 is(localStorage.getItem(keyName), "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", "500 bytes key "+keyName+" stored");
michael@0 41 break;
michael@0 42
michael@0 43 case "remove":
michael@0 44 localStorage.removeItem(keyName);
michael@0 45 is(localStorage.getItem(keyName), null, "Key "+keyName+" removed");
michael@0 46 break;
michael@0 47
michael@0 48 case "checkclean":
michael@0 49 is(localStorage.getItem(keyName), null, "Key "+keyName+" not present");
michael@0 50 break;
michael@0 51
michael@0 52 case "checknotclean":
michael@0 53 is(localStorage.getItem(keyName), "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", "Key "+keyName+" is present");
michael@0 54 break;
michael@0 55 }
michael@0 56
michael@0 57 break;
michael@0 58
michael@0 59 case "failure":
michael@0 60 switch (operation)
michael@0 61 {
michael@0 62 case "add":
michael@0 63 // Attempt to store 500 bytes long string that doens't
michael@0 64 // fit the quota, have to throw DOM_QUOTA_REACHED exception
michael@0 65 checkException(function() {
michael@0 66 localStorage.setItem(keyName, "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890");
michael@0 67 }, DOM_QUOTA_REACHED);
michael@0 68 is(localStorage.getItem(keyName), null, "500 bytes key "+keyName+" is NOT stored");
michael@0 69 break;
michael@0 70
michael@0 71 case "add2":
michael@0 72 // Attempt to change a key value to reach the DOM quota and
michael@0 73 // check it fails and the old key value is still present.
michael@0 74 checkException(function() {
michael@0 75 localStorage.setItem(keyName, "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890");
michael@0 76 }, DOM_QUOTA_REACHED);
michael@0 77 is(localStorage.getItem(keyName), "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", "Key "+keyName+" left unchanged");
michael@0 78 break;
michael@0 79 }
michael@0 80
michael@0 81 break;
michael@0 82
michael@0 83 default:
michael@0 84 switch (operation)
michael@0 85 {
michael@0 86 case "clear":
michael@0 87 localStorage.clear();
michael@0 88 break;
michael@0 89 }
michael@0 90
michael@0 91 break;
michael@0 92 }
michael@0 93
michael@0 94 // Just inform the master we are finished now
michael@0 95 postMsg("done");
michael@0 96 return false;
michael@0 97 }
michael@0 98
michael@0 99 </script>
michael@0 100
michael@0 101 </head>
michael@0 102
michael@0 103 <body onload="postMsg('frame loaded');">
michael@0 104 </body>
michael@0 105 </html>

mercurial