The Tor Browser: dom/tests/mochitest/localstorage/test_localStorageEnablePref.html@97036ab72558

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.

     1 <html xmlns="http://www.w3.org/1999/xhtml">

     2 <head>

     3 <title>localStorage enable preference test</title>

     5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

     8 <script type="text/javascript">

    10 SimpleTest.requestCompleteLog();

    12 function checkException(func, exc)

    13 {

    14   var exceptionThrew = false;

    15   try {

    16     func();

    17   }

    18   catch (ex) {

    19     exceptionThrew = true;

    20     is(ex.name, exc, "Expected "+exc+" exception");

    21     if (ex.name != exc) {

    22       info("The exception which was thrown is: " + ex);

    23     }

    24   }

    25   ok(exceptionThrew, "Exception "+exc+" threw");

    26 }

    28 var storage;

    29 function test1() {

    30   is(typeof(window.localStorage), "object", "Storage is present");

    31   storage = window.localStorage;

    33   SpecialPowers.pushPrefEnv({"set": [["dom.storage.enabled", false]]}, test2);

    34 }

    36 function test2() {

    37   is(window.localStorage, null, "Storage is null");

    39   checkException(function() {storage.setItem("test", "value");}, "SecurityError");

    41   SpecialPowers.pushPrefEnv({"set": [["dom.storage.enabled", true]]}, test3);

    42 }

    44 function test3() {

    45   is(typeof(window.localStorage), "object", "Storage is present again");

    46   storage.setItem("test", "value");

    47   ok(storage.getItem("test"), "value", "value can be set");

    48   window.localStorage.clear();

    49   SimpleTest.finish();

    50 }

    52 function doTest() {

    53   SpecialPowers.pushPrefEnv({"set": [["dom.storage.enabled", true]]}, test1);

    54 }

    56 SimpleTest.waitForExplicitFinish();

    58 </script>

    60 </head>

    62 <body onload="doTest();">

    64 </body>

    65 </html>

The Tor Browser / file revision

dom/tests/mochitest/localstorage/test_localStorageEnablePref.html@97036ab72558

dom/tests/mochitest/localstorage/test_localStorageEnablePref.html