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comparison: dom/tests/mochitest/sessionstorage/test_sessionStorageBase.html

dom/tests/mochitest/sessionstorage/test_sessionStorageBase.html

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1 <html xmlns="http://www.w3.org/1999/xhtml">
2 <head>
3 <title>sessionStorage basic test</title>
4
5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
7
8 <script type="text/javascript">
9
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 "null,null,null"
21 ];
22
23 function setup() {
24 sessionStorage.clear();
25 SimpleTest.executeSoon(startTest);
26 }
27
28 function startTest()
29 {
30 // Initially check the sessionStorage is empty
31 is(sessionStorage.length, 0, "The storage is empty [1]");
32 is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access");
33 is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
34 is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
35 is(sessionStorage.getItem("nonexisting"), null, "Nonexisting item is null (getItem())");
36 is(sessionStorage["nonexisting"], undefined, "Nonexisting item is undefined (array access)");
37 is(sessionStorage.nonexisting, undefined, "Nonexisting item is undefined (property access)");
38 sessionStorage.removeItem("nonexisting"); // Just check there is no exception
39
40 is(typeof sessionStorage.getItem("nonexisting"), "object", "getItem('nonexisting') is object");
41 is(typeof sessionStorage["nonexisting"], "undefined", "['nonexisting'] is undefined");
42 is(typeof sessionStorage.nonexisting, "undefined", "nonexisting is undefined");
43 is(typeof sessionStorage.getItem("nonexisting2"), "object", "getItem('nonexisting2') is object");
44 is(typeof sessionStorage["nonexisting2"], "undefined", "['nonexisting2'] is undefined");
45 is(typeof sessionStorage.nonexisting2, "undefined", "nonexisting2 is undefined");
46
47 var mozStorageChangedReceived = 0;
48 var sessionStorageCopy = sessionStorage;
49
50 function onStorageChanged(e) {
51 if (e.storageArea == sessionStorageCopy) {
52 ok(expectedEvents.length > 0, "Not more then expected events encountered");
53 var receivedEvent = e.key + "," + e.oldValue + "," + e.newValue;
54 is(receivedEvent, expectedEvents.shift(), "Expected event data: " + receivedEvent);
55 }
56 }
57
58 // Listen for MozStorageChanged
59 SpecialPowers.addChromeEventListener("MozStorageChanged", onStorageChanged, false);
60
61 // add an empty-value key
62 sessionStorage.setItem("empty", "");
63 is(sessionStorage.getItem("empty"), "", "Empty value (getItem())");
64 is(sessionStorage["empty"], "", "Empty value (array access)");
65 is(sessionStorage.empty, "", "Empty value (property access)");
66 is(typeof sessionStorage.getItem("empty"), "string", "getItem('empty') is string");
67 is(typeof sessionStorage["empty"], "string", "['empty'] is string");
68 is(typeof sessionStorage.empty, "string", "empty is string");
69 sessionStorage.removeItem("empty");
70 is(sessionStorage.length, 0, "The storage has no keys");
71 is(sessionStorage.getItem("empty"), null, "empty item is null (getItem())");
72 is(sessionStorage["empty"], undefined, "empty item is undefined (array access)");
73 is(sessionStorage.empty, undefined, "empty item is undefined (property access)");
74 is(typeof sessionStorage.getItem("empty"), "object", "getItem('empty') is object");
75 is(typeof sessionStorage["empty"], "undefined", "['empty'] is undefined");
76 is(typeof sessionStorage.empty, "undefined", "empty is undefined");
77
78 // add one key, check it is there
79 sessionStorage.setItem("key1", "value1");
80 is(sessionStorage.length, 1, "The storage has one key-value pair");
81 is(sessionStorage.key(0), "key1");
82 is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
83 is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
84
85 // check all access method give the correct result
86 // and are of the correct type
87 is(sessionStorage.getItem("key1"), "value1", "getItem('key1') == value1");
88 is(sessionStorage["key1"], "value1", "['key1'] == value1");
89 is(sessionStorage.key1, "value1", "key1 == value1");
90
91 is(typeof sessionStorage.getItem("key1"), "string", "getItem('key1') is string");
92 is(typeof sessionStorage["key1"], "string", "['key1'] is string");
93 is(typeof sessionStorage.key1, "string", "key1 is string");
94
95 // remove the previously added key and check the storage is empty
96 sessionStorage.removeItem("key1");
97 is(sessionStorage.length, 0, "The storage is empty [2]");
98 is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access");
99 is(sessionStorage.getItem("key1"), null, "\'key1\' removed");
100
101 is(typeof sessionStorage.getItem("key1"), "object", "getItem('key1') is object");
102 is(typeof sessionStorage["key1"], "undefined", "['key1'] is undefined");
103 is(typeof sessionStorage.key1, "undefined", "key1 is undefined");
104
105 // add one key, check it is there
106 sessionStorage.setItem("key1", "value1");
107 is(sessionStorage.length, 1, "The storage has one key-value pair");
108 is(sessionStorage.key(0), "key1");
109 is(sessionStorage.getItem("key1"), "value1");
110
111 // add a second key
112 sessionStorage.setItem("key2", "value2");
113 is(sessionStorage.length, 2, "The storage has two key-value pairs");
114 is(sessionStorage.getItem("key1"), "value1");
115 is(sessionStorage.getItem("key2"), "value2");
116 var firstKey = sessionStorage.key(0);
117 var secondKey = sessionStorage.key(1);
118 ok((firstKey == 'key1' && secondKey == 'key2') ||
119 (firstKey == 'key2' && secondKey == 'key1'),
120 'key() API works.');
121
122 // change the second key
123 sessionStorage.setItem("key2", "value2-2");
124 is(sessionStorage.length, 2, "The storage has two key-value pairs");
125 is(sessionStorage.key(0), firstKey); // After key value changes the order must be preserved
126 is(sessionStorage.key(1), secondKey);
127 is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
128 is(sessionStorage.key(2), null, "key() should return null for out-of-bounds access");
129 is(sessionStorage.getItem("key1"), "value1");
130 is(sessionStorage.getItem("key2"), "value2-2");
131
132 // change the first key
133 sessionStorage.setItem("key1", "value1-2");
134 is(sessionStorage.length, 2, "The storage has two key-value pairs");
135 is(sessionStorage.key(0), firstKey); // After key value changes the order must be preserved
136 is(sessionStorage.key(1), secondKey);
137 is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
138 is(sessionStorage.key(2), null, "key() should return null for out-of-bounds access");
139 is(sessionStorage.getItem("key1"), "value1-2");
140 is(sessionStorage.getItem("key2"), "value2-2");
141
142 // remove the second key
143 sessionStorage.removeItem("key2");
144 is(sessionStorage.length, 1, "The storage has one key-value pair");
145 is(sessionStorage.key(0), "key1");
146 is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
147 is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
148 is(sessionStorage.getItem("key1"), "value1-2");
149
150 // Clear the storage
151 sessionStorage.clear();
152 is(sessionStorage.length, 0, "The storage is empty [3]");
153 is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access");
154 is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
155 is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
156 is(sessionStorage.getItem("nonexisting"), null, "Nonexisting item is null");
157 is(sessionStorage.getItem("key1"), null, "key1 removed");
158 is(sessionStorage.getItem("key2"), null, "key2 removed");
159 sessionStorage.removeItem("nonexisting"); // Just check there is no exception
160 sessionStorage.removeItem("key1"); // Just check there is no exception
161 sessionStorage.removeItem("key2"); // Just check there is no exception
162
163 SimpleTest.executeSoon(function () {
164 SpecialPowers.removeChromeEventListener("MozStorageChanged", onStorageChanged, false);
165 is(expectedEvents.length, 0, "received the correct number of events");
166
167 sessionStorage.clear();
168 SimpleTest.finish();
169 });
170 }
171
172 SimpleTest.waitForExplicitFinish();
173
174 </script>
175
176 </head>
177
178 <body onload="setup();">
179
180 </body>
181 </html>

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