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comparison: dom/tests/mochitest/localstorage/test_localStorageBase.html

dom/tests/mochitest/localstorage/test_localStorageBase.html

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1 <html xmlns="http://www.w3.org/1999/xhtml">
2 <head>
3 <title>localStorage 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 "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 ];
35
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
47
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");
54
55 var localStorageCopy = localStorage;
56
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 }
64
65 // Listen for MozStorageChanged
66 SpecialPowers.addChromeEventListener("MozStorageChanged", onStorageChanged, false);
67
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");
84
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");
91
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");
97
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");
101
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");
107
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");
111
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");
117
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.');
128
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");
138
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");
148
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");
156
157 // JS property test
158 localStorage.testA = "valueA";
159 is(localStorage.testA, "valueA");
160 is(localStorage["testA"], "valueA");
161 is(localStorage.getItem("testA"), "valueA");
162
163 localStorage.testA = "valueA2";
164 is(localStorage.testA, "valueA2");
165 is(localStorage["testA"], "valueA2");
166 is(localStorage.getItem("testA"), "valueA2");
167
168 localStorage["testB"] = "valueB";
169 is(localStorage.testB, "valueB");
170 is(localStorage["testB"], "valueB");
171 is(localStorage.getItem("testB"), "valueB");
172
173 localStorage["testB"] = "valueB2";
174 is(localStorage.testB, "valueB2");
175 is(localStorage["testB"], "valueB2");
176 is(localStorage.getItem("testB"), "valueB2");
177
178 localStorage.setItem("testC", "valueC");
179 is(localStorage.testC, "valueC");
180 is(localStorage["testC"], "valueC");
181 is(localStorage.getItem("testC"), "valueC");
182
183 localStorage.setItem("testC", "valueC2");
184 is(localStorage.testC, "valueC2");
185 is(localStorage["testC"], "valueC2");
186 is(localStorage.getItem("testC"), "valueC2");
187
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");
193
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");
200
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);
209
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);
215
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
230
231 SimpleTest.executeSoon(function () {
232 SpecialPowers.removeChromeEventListener("MozStorageChanged", onStorageChanged, false);
233 is(expectedEvents.length, 0, "received the correct number of events");
234
235 localStorage.clear();
236 SimpleTest.finish();
237 });
238 }
239
240 SimpleTest.waitForExplicitFinish();
241
242 </script>
243
244 </head>
245
246 <body onload="startTest();">
247
248 </body>
249 </html>

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