The Tor Browser: dom/tests/mochitest/localstorage/test

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

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

     2 <head>

     3 <title>localStorage basic 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 var expectedEvents = [

    11   "empty,null,",

    12   "empty,,null",

    13   "key1,null,value1",

    14   "key1,value1,null",

    15   "key1,null,value1",

    16   "key2,null,value2",

    17   "key2,value2,value2-2",

    18   "key1,value1,value1-2",

    19   "key2,value2-2,null",

    20   "testA,null,valueA",

    21   "testA,valueA,valueA2",

    22   "testB,null,valueB",

    23   "testB,valueB,valueB2",

    24   "testC,null,valueC",

    25   "testC,valueC,valueC2",

    26   "testC,valueC2,null",

    27   "testC,null,null",

    28   "testC,null,null",

    29   "null,null,test",

    30   "null,test,null",

    31   "null,null,test",

    32   "null,test,null",

    33   "null,null,null"

    34 ];

    36 function startTest()

    37 {

    38   // Initially check the localStorage is empty

    39   is(localStorage.length, 0, "The storage is empty [1]");

    40   is(localStorage.key(0), null, "key() should return null for out-of-bounds access");

    41   is(localStorage.key(-1), null, "key() should return null for out-of-bounds access");

    42   is(localStorage.key(1), null, "key() should return null for out-of-bounds access");

    43   is(localStorage.getItem("nonexisting"), null, "Nonexisting item is null (getItem())");

    44   is(localStorage["nonexisting"], undefined, "Nonexisting item is undefined (array access)");

    45   is(localStorage.nonexisting, undefined, "Nonexisting item is undefined (property access)");

    46   localStorage.removeItem("nonexisting"); // Just check there is no exception

    48   is(typeof localStorage.getItem("nonexisting"), "object", "getItem('nonexisting') is object");

    49   is(typeof localStorage["nonexisting"], "undefined", "['nonexisting'] is undefined");

    50   is(typeof localStorage.nonexisting, "undefined", "nonexisting is undefined");

    51   is(typeof localStorage.getItem("nonexisting2"), "object", "getItem('nonexisting2') is object");

    52   is(typeof localStorage["nonexisting2"], "undefined", "['nonexisting2'] is undefined");

    53   is(typeof localStorage.nonexisting2, "undefined", "nonexisting2 is undefined");

    55   var localStorageCopy = localStorage;

    57   function onStorageChanged(e) {

    58     if (e.storageArea == localStorageCopy) {

    59       ok(expectedEvents.length > 0, "Not more then expected events encountered");

    60       var receivedEvent = e.key + "," + e.oldValue + "," + e.newValue;

    61       is(receivedEvent, expectedEvents.shift(), "Expected event data: " + receivedEvent);

    62     }

    63   }

    65   // Listen for MozStorageChanged

    66   SpecialPowers.addChromeEventListener("MozStorageChanged", onStorageChanged, false);

    68   // add an empty-value key

    69   localStorage.setItem("empty", "");

    70   is(localStorage.getItem("empty"), "", "Empty value (getItem())");

    71   is(localStorage["empty"], "", "Empty value (array access)");

    72   is(localStorage.empty, "", "Empty value (property access)");

    73   is(typeof localStorage.getItem("empty"), "string", "getItem('empty') is string");

    74   is(typeof localStorage["empty"], "string", "['empty'] is string");

    75   is(typeof localStorage.empty, "string", "empty is string");

    76   localStorage.removeItem("empty");

    77   is(localStorage.length, 0, "The storage has no keys");

    78   is(localStorage.getItem("empty"), null, "empty item is null (getItem())");

    79   is(localStorage["empty"], undefined, "empty item is undefined (array access)");

    80   is(localStorage.empty, undefined, "empty item is undefined (property access)");

    81   is(typeof localStorage.getItem("empty"), "object", "getItem('empty') is object");

    82   is(typeof localStorage["empty"], "undefined", "['empty'] is undefined");

    83   is(typeof localStorage.empty, "undefined", "empty is undefined");

    85   // add one key, check it is there

    86   localStorage.setItem("key1", "value1");

    87   is(localStorage.length, 1, "The storage has one key-value pair");

    88   is(localStorage.key(0), "key1");

    89   is(localStorage.key(-1), null, "key() should return null for out-of-bounds access");

    90   is(localStorage.key(1), null, "key() should return null for out-of-bounds access");

    92   // check all access method give the correct result

    93   // and are of the correct type

    94   is(localStorage.getItem("key1"), "value1", "getItem('key1') == value1");

    95   is(localStorage["key1"], "value1", "['key1'] == value1");

    96   is(localStorage.key1, "value1", "key1 == value1");

    98   is(typeof localStorage.getItem("key1"), "string", "getItem('key1') is string");

    99   is(typeof localStorage["key1"], "string", "['key1'] is string");

   100   is(typeof localStorage.key1, "string", "key1 is string");

   102   // remove the previously added key and check the storage is empty

   103   localStorage.removeItem("key1");

   104   is(localStorage.length, 0, "The storage is empty [2]");

   105   is(localStorage.key(0), null, "key() should return null for out-of-bounds access");

   106   is(localStorage.getItem("key1"), null, "\'key1\' removed");

   108   is(typeof localStorage.getItem("key1"), "object", "getItem('key1') is object");

   109   is(typeof localStorage["key1"], "undefined", "['key1'] is object");

   110   is(typeof localStorage.key1, "undefined", "key1 is object");

   112   // add one key, check it is there

   113   localStorage.setItem("key1", "value1");

   114   is(localStorage.length, 1, "The storage has one key-value pair");

   115   is(localStorage.key(0), "key1");

   116   is(localStorage.getItem("key1"), "value1");

   118   // add a second key

   119   localStorage.setItem("key2", "value2");

   120   is(localStorage.length, 2, "The storage has two key-value pairs");

   121   is(localStorage.getItem("key1"), "value1");

   122   is(localStorage.getItem("key2"), "value2");

   123   var firstKey = localStorage.key(0);

   124   var secondKey = localStorage.key(1);

   125   ok((firstKey == 'key1' && secondKey == 'key2') ||

   126      (firstKey == 'key2' && secondKey == 'key1'),

   127      'key() API works.');

   129   // change the second key

   130   localStorage.setItem("key2", "value2-2");

   131   is(localStorage.length, 2, "The storage has two key-value pairs");

   132   is(localStorage.key(0), firstKey); // After key value changes the order must be preserved

   133   is(localStorage.key(1), secondKey);

   134   is(localStorage.key(-1), null, "key() should return null for out-of-bounds access");

   135   is(localStorage.key(2), null, "key() should return null for out-of-bounds access");

   136   is(localStorage.getItem("key1"), "value1");

   137   is(localStorage.getItem("key2"), "value2-2");

   139   // change the first key

   140   localStorage.setItem("key1", "value1-2");

   141   is(localStorage.length, 2, "The storage has two key-value pairs");

   142   is(localStorage.key(0), firstKey); // After key value changes the order must be preserved

   143   is(localStorage.key(1), secondKey);

   144   is(localStorage.key(-1), null, "key() should return null for out-of-bounds access");

   145   is(localStorage.key(2), null, "key() should return null for out-of-bounds access");

   146   is(localStorage.getItem("key1"), "value1-2");

   147   is(localStorage.getItem("key2"), "value2-2");

   149   // remove the second key

   150   localStorage.removeItem("key2");

   151   is(localStorage.length, 1, "The storage has one key-value pair");

   152   is(localStorage.key(0), "key1");

   153   is(localStorage.key(-1), null, "key() should return null for out-of-bounds access");

   154   is(localStorage.key(1), null, "key() should return null for out-of-bounds access");

   155   is(localStorage.getItem("key1"), "value1-2");

   157   // JS property test

   158   localStorage.testA = "valueA";

   159   is(localStorage.testA, "valueA");

   160   is(localStorage["testA"], "valueA");

   161   is(localStorage.getItem("testA"), "valueA");

   163   localStorage.testA = "valueA2";

   164   is(localStorage.testA, "valueA2");

   165   is(localStorage["testA"], "valueA2");

   166   is(localStorage.getItem("testA"), "valueA2");

   168   localStorage["testB"] = "valueB";

   169   is(localStorage.testB, "valueB");

   170   is(localStorage["testB"], "valueB");

   171   is(localStorage.getItem("testB"), "valueB");

   173   localStorage["testB"] = "valueB2";

   174   is(localStorage.testB, "valueB2");

   175   is(localStorage["testB"], "valueB2");

   176   is(localStorage.getItem("testB"), "valueB2");

   178   localStorage.setItem("testC", "valueC");

   179   is(localStorage.testC, "valueC");

   180   is(localStorage["testC"], "valueC");

   181   is(localStorage.getItem("testC"), "valueC");

   183   localStorage.setItem("testC", "valueC2");

   184   is(localStorage.testC, "valueC2");

   185   is(localStorage["testC"], "valueC2");

   186   is(localStorage.getItem("testC"), "valueC2");

   188   localStorage.setItem("testC", null);

   189   is("testC" in localStorage, true);

   190   is(localStorage.getItem("testC"), "null");

   191   is(localStorage["testC"], "null");

   192   is(localStorage.testC, "null");

   194   localStorage.removeItem("testC");

   195   localStorage["testC"] = null;

   196   is("testC" in localStorage, true);

   197   is(localStorage.getItem("testC"), "null");

   198   is(localStorage["testC"], "null");

   199   is(localStorage.testC, "null");

   201   localStorage.setItem(null, "test");

   202   is("null" in localStorage, true);

   203   is(localStorage.getItem("null"), "test");

   204   is(localStorage.getItem(null), "test");

   205   is(localStorage["null"], "test");

   206   localStorage.removeItem(null, "test");

   207   // bug 350023

   208   todo_is("null" in localStorage, false);

   210   localStorage.setItem(null, "test");

   211   is("null" in localStorage, true);

   212   localStorage.removeItem("null", "test");

   213   // bug 350023

   214   todo_is("null" in localStorage, false);

   216   // Clear the storage

   217   localStorage.clear();

   218   is("testB" in localStorage, false, "Keys are not in the JS scope of the storage");

   219   is("testC" in localStorage, false, "Keys are not in the JS scope of the storage");

   220   is(localStorage.length, 0, "The storage is empty [3]");

   221   is(localStorage.key(0), null, "key() should return null for out-of-bounds access");

   222   is(localStorage.key(-1), null, "key() should return null for out-of-bounds access");

   223   is(localStorage.key(1), null, "key() should return null for out-of-bounds access");

   224   is(localStorage.getItem("nonexisting"), null, "Nonexisting item is null");

   225   is(localStorage.getItem("key1"), null, "key1 removed");

   226   is(localStorage.getItem("key2"), null, "key2 removed");

   227   localStorage.removeItem("nonexisting"); // Just check there is no exception

   228   localStorage.removeItem("key1"); // Just check there is no exception

   229   localStorage.removeItem("key2"); // Just check there is no exception

   231   SimpleTest.executeSoon(function () {

   232     SpecialPowers.removeChromeEventListener("MozStorageChanged", onStorageChanged, false);

   233     is(expectedEvents.length, 0, "received the correct number of events");

   235     localStorage.clear();

   236     SimpleTest.finish();

   237   });

   238 }

   240 SimpleTest.waitForExplicitFinish();

   242 </script>

   244 </head>

   246 <body onload="startTest();">

   248 </body>

   249 </html>

The Tor Browser / file revision

dom/tests/mochitest/localstorage/test_localStorageBase.html@b8a032363ba2

dom/tests/mochitest/localstorage/test_localStorageBase.html