test_localStorageBase.html (10189B)
1 <html xmlns="http://www.w3.org/1999/xhtml"> 2 <head> 3 <title>localStorage basic test</title> 4 5 <script 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, "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 MozLocalStorageChanged 66 SpecialPowers.addChromeEventListener("MozLocalStorageChanged", onStorageChanged, true); 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 is("null" in localStorage, false); 208 209 localStorage.setItem(null, "test"); 210 is("null" in localStorage, true); 211 localStorage.removeItem("null", "test"); 212 is("null" in localStorage, false); 213 214 // Clear the storage 215 localStorage.clear(); 216 is("testB" in localStorage, false, "Keys are not in the JS scope of the storage"); 217 is("testC" in localStorage, false, "Keys are not in the JS scope of the storage"); 218 is(localStorage.length, 0, "The storage is empty [3]"); 219 is(localStorage.key(0), null, "key() should return null for out-of-bounds access"); 220 is(localStorage.key(-1), null, "key() should return null for out-of-bounds access"); 221 is(localStorage.key(1), null, "key() should return null for out-of-bounds access"); 222 is(localStorage.getItem("nonexisting"), null, "Nonexisting item is null"); 223 is(localStorage.getItem("key1"), null, "key1 removed"); 224 is(localStorage.getItem("key2"), null, "key2 removed"); 225 localStorage.removeItem("nonexisting"); // Just check there is no exception 226 localStorage.removeItem("key1"); // Just check there is no exception 227 localStorage.removeItem("key2"); // Just check there is no exception 228 229 SimpleTest.executeSoon(function () { 230 SpecialPowers.removeChromeEventListener("MozLocalStorageChanged", onStorageChanged, true); 231 is(expectedEvents.length, 0, "received the correct number of events"); 232 233 localStorage.clear(); 234 SimpleTest.finish(); 235 }); 236 } 237 238 SimpleTest.waitForExplicitFinish(); 239 240 </script> 241 242 </head> 243 244 <body onload="startTest();"> 245 246 </body> 247 </html>