<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>sessionStorage basic test</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> <script type="text/javascript"> var expectedEvents = [ "empty,null,", "empty,,null", "key1,null,value1", "key1,value1,null", "key1,null,value1", "key2,null,value2", "key2,value2,value2-2", "key1,value1,value1-2", "key2,value2-2,null", "null,null,null" ]; function setup() { sessionStorage.clear(); SimpleTest.executeSoon(startTest); } function startTest() { // Initially check the sessionStorage is empty is(sessionStorage.length, 0, "The storage is empty [1]"); is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.getItem("nonexisting"), null, "Nonexisting item is null (getItem())"); is(sessionStorage["nonexisting"], undefined, "Nonexisting item is undefined (array access)"); is(sessionStorage.nonexisting, undefined, "Nonexisting item is undefined (property access)"); sessionStorage.removeItem("nonexisting"); // Just check there is no exception is(typeof sessionStorage.getItem("nonexisting"), "object", "getItem('nonexisting') is object"); is(typeof sessionStorage["nonexisting"], "undefined", "['nonexisting'] is undefined"); is(typeof sessionStorage.nonexisting, "undefined", "nonexisting is undefined"); is(typeof sessionStorage.getItem("nonexisting2"), "object", "getItem('nonexisting2') is object"); is(typeof sessionStorage["nonexisting2"], "undefined", "['nonexisting2'] is undefined"); is(typeof sessionStorage.nonexisting2, "undefined", "nonexisting2 is undefined"); var sessionStorageCopy = sessionStorage; function onStorageChanged(e) { if (e.storageArea == sessionStorageCopy) { ok(expectedEvents.length > 0, "Not more then expected events encountered"); var receivedEvent = e.key + "," + e.oldValue + "," + e.newValue; is(receivedEvent, expectedEvents.shift(), "Expected event data: " + receivedEvent); } } // Listen for MozSessionStorageChanged SpecialPowers.addChromeEventListener("MozSessionStorageChanged", onStorageChanged, true); // add an empty-value key sessionStorage.setItem("empty", ""); is(sessionStorage.getItem("empty"), "", "Empty value (getItem())"); is(sessionStorage["empty"], "", "Empty value (array access)"); is(sessionStorage.empty, "", "Empty value (property access)"); is(typeof sessionStorage.getItem("empty"), "string", "getItem('empty') is string"); is(typeof sessionStorage["empty"], "string", "['empty'] is string"); is(typeof sessionStorage.empty, "string", "empty is string"); sessionStorage.removeItem("empty"); is(sessionStorage.length, 0, "The storage has no keys"); is(sessionStorage.getItem("empty"), null, "empty item is null (getItem())"); is(sessionStorage["empty"], undefined, "empty item is undefined (array access)"); is(sessionStorage.empty, undefined, "empty item is undefined (property access)"); is(typeof sessionStorage.getItem("empty"), "object", "getItem('empty') is object"); is(typeof sessionStorage["empty"], "undefined", "['empty'] is undefined"); is(typeof sessionStorage.empty, "undefined", "empty is undefined"); // add one key, check it is there sessionStorage.setItem("key1", "value1"); is(sessionStorage.length, 1, "The storage has one key-value pair"); is(sessionStorage.key(0), "key1"); is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access"); // check all access method give the correct result // and are of the correct type is(sessionStorage.getItem("key1"), "value1", "getItem('key1') == value1"); is(sessionStorage["key1"], "value1", "['key1'] == value1"); is(sessionStorage.key1, "value1", "key1 == value1"); is(typeof sessionStorage.getItem("key1"), "string", "getItem('key1') is string"); is(typeof sessionStorage["key1"], "string", "['key1'] is string"); is(typeof sessionStorage.key1, "string", "key1 is string"); // remove the previously added key and check the storage is empty sessionStorage.removeItem("key1"); is(sessionStorage.length, 0, "The storage is empty [2]"); is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access"); is(sessionStorage.getItem("key1"), null, "\'key1\' removed"); is(typeof sessionStorage.getItem("key1"), "object", "getItem('key1') is object"); is(typeof sessionStorage["key1"], "undefined", "['key1'] is undefined"); is(typeof sessionStorage.key1, "undefined", "key1 is undefined"); // add one key, check it is there sessionStorage.setItem("key1", "value1"); is(sessionStorage.length, 1, "The storage has one key-value pair"); is(sessionStorage.key(0), "key1"); is(sessionStorage.getItem("key1"), "value1"); // add a second key sessionStorage.setItem("key2", "value2"); is(sessionStorage.length, 2, "The storage has two key-value pairs"); is(sessionStorage.getItem("key1"), "value1"); is(sessionStorage.getItem("key2"), "value2"); var firstKey = sessionStorage.key(0); var secondKey = sessionStorage.key(1); ok((firstKey == 'key1' && secondKey == 'key2') || (firstKey == 'key2' && secondKey == 'key1'), 'key() API works.'); // change the second key sessionStorage.setItem("key2", "value2-2"); is(sessionStorage.length, 2, "The storage has two key-value pairs"); is(sessionStorage.key(0), firstKey); // After key value changes the order must be preserved is(sessionStorage.key(1), secondKey); is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(2), null, "key() should return null for out-of-bounds access"); is(sessionStorage.getItem("key1"), "value1"); is(sessionStorage.getItem("key2"), "value2-2"); // change the first key sessionStorage.setItem("key1", "value1-2"); is(sessionStorage.length, 2, "The storage has two key-value pairs"); is(sessionStorage.key(0), firstKey); // After key value changes the order must be preserved is(sessionStorage.key(1), secondKey); is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(2), null, "key() should return null for out-of-bounds access"); is(sessionStorage.getItem("key1"), "value1-2"); is(sessionStorage.getItem("key2"), "value2-2"); // remove the second key sessionStorage.removeItem("key2"); is(sessionStorage.length, 1, "The storage has one key-value pair"); is(sessionStorage.key(0), "key1"); is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.getItem("key1"), "value1-2"); // Clear the storage sessionStorage.clear(); is(sessionStorage.length, 0, "The storage is empty [3]"); is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access"); is(sessionStorage.getItem("nonexisting"), null, "Nonexisting item is null"); is(sessionStorage.getItem("key1"), null, "key1 removed"); is(sessionStorage.getItem("key2"), null, "key2 removed"); sessionStorage.removeItem("nonexisting"); // Just check there is no exception sessionStorage.removeItem("key1"); // Just check there is no exception sessionStorage.removeItem("key2"); // Just check there is no exception SimpleTest.executeSoon(function () { SpecialPowers.removeChromeEventListener("MozSessionStorageChanged", onStorageChanged, true); is(expectedEvents.length, 0, "received the correct number of events"); sessionStorage.clear(); SimpleTest.finish(); }); } SimpleTest.waitForExplicitFinish(); </script> </head> <body onload="setup();"> </body> </html>