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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
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dom/tests/mochitest/sessionstorage/test_sessionStorageBase.html
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dom/tests/mochitest/sessionstorage/test_sessionStorageBase.html
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>sessionStorage basic test</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript">
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var expectedEvents = [
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"empty,null,",
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"empty,,null",
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"key1,null,value1",
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"key1,value1,null",
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"key1,null,value1",
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"key2,null,value2",
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"key2,value2,value2-2",
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"key1,value1,value1-2",
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"key2,value2-2,null",
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"null,null,null"
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];
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function setup() {
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sessionStorage.clear();
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SimpleTest.executeSoon(startTest);
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}
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function startTest()
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{
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// Initially check the sessionStorage is empty
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is(sessionStorage.length, 0, "The storage is empty [1]");
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is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.getItem("nonexisting"), null, "Nonexisting item is null (getItem())");
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is(sessionStorage["nonexisting"], undefined, "Nonexisting item is undefined (array access)");
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is(sessionStorage.nonexisting, undefined, "Nonexisting item is undefined (property access)");
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sessionStorage.removeItem("nonexisting"); // Just check there is no exception
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is(typeof sessionStorage.getItem("nonexisting"), "object", "getItem('nonexisting') is object");
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is(typeof sessionStorage["nonexisting"], "undefined", "['nonexisting'] is undefined");
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is(typeof sessionStorage.nonexisting, "undefined", "nonexisting is undefined");
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is(typeof sessionStorage.getItem("nonexisting2"), "object", "getItem('nonexisting2') is object");
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is(typeof sessionStorage["nonexisting2"], "undefined", "['nonexisting2'] is undefined");
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is(typeof sessionStorage.nonexisting2, "undefined", "nonexisting2 is undefined");
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var sessionStorageCopy = sessionStorage;
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function onStorageChanged(e) {
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if (e.storageArea == sessionStorageCopy) {
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ok(expectedEvents.length > 0, "Not more then expected events encountered");
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var receivedEvent = e.key + "," + e.oldValue + "," + e.newValue;
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is(receivedEvent, expectedEvents.shift(), "Expected event data: " + receivedEvent);
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}
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}
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// Listen for MozSessionStorageChanged
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SpecialPowers.addChromeEventListener("MozSessionStorageChanged", onStorageChanged, true);
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// add an empty-value key
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sessionStorage.setItem("empty", "");
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is(sessionStorage.getItem("empty"), "", "Empty value (getItem())");
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is(sessionStorage["empty"], "", "Empty value (array access)");
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is(sessionStorage.empty, "", "Empty value (property access)");
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is(typeof sessionStorage.getItem("empty"), "string", "getItem('empty') is string");
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is(typeof sessionStorage["empty"], "string", "['empty'] is string");
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is(typeof sessionStorage.empty, "string", "empty is string");
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sessionStorage.removeItem("empty");
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is(sessionStorage.length, 0, "The storage has no keys");
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is(sessionStorage.getItem("empty"), null, "empty item is null (getItem())");
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is(sessionStorage["empty"], undefined, "empty item is undefined (array access)");
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is(sessionStorage.empty, undefined, "empty item is undefined (property access)");
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is(typeof sessionStorage.getItem("empty"), "object", "getItem('empty') is object");
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is(typeof sessionStorage["empty"], "undefined", "['empty'] is undefined");
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is(typeof sessionStorage.empty, "undefined", "empty is undefined");
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// add one key, check it is there
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sessionStorage.setItem("key1", "value1");
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is(sessionStorage.length, 1, "The storage has one key-value pair");
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is(sessionStorage.key(0), "key1");
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is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
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// check all access method give the correct result
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// and are of the correct type
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is(sessionStorage.getItem("key1"), "value1", "getItem('key1') == value1");
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is(sessionStorage["key1"], "value1", "['key1'] == value1");
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is(sessionStorage.key1, "value1", "key1 == value1");
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is(typeof sessionStorage.getItem("key1"), "string", "getItem('key1') is string");
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is(typeof sessionStorage["key1"], "string", "['key1'] is string");
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is(typeof sessionStorage.key1, "string", "key1 is string");
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// remove the previously added key and check the storage is empty
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sessionStorage.removeItem("key1");
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is(sessionStorage.length, 0, "The storage is empty [2]");
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is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.getItem("key1"), null, "\'key1\' removed");
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is(typeof sessionStorage.getItem("key1"), "object", "getItem('key1') is object");
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is(typeof sessionStorage["key1"], "undefined", "['key1'] is undefined");
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is(typeof sessionStorage.key1, "undefined", "key1 is undefined");
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// add one key, check it is there
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sessionStorage.setItem("key1", "value1");
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is(sessionStorage.length, 1, "The storage has one key-value pair");
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is(sessionStorage.key(0), "key1");
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is(sessionStorage.getItem("key1"), "value1");
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// add a second key
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sessionStorage.setItem("key2", "value2");
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is(sessionStorage.length, 2, "The storage has two key-value pairs");
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is(sessionStorage.getItem("key1"), "value1");
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is(sessionStorage.getItem("key2"), "value2");
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var firstKey = sessionStorage.key(0);
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var secondKey = sessionStorage.key(1);
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ok((firstKey == 'key1' && secondKey == 'key2') ||
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(firstKey == 'key2' && secondKey == 'key1'),
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'key() API works.');
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// change the second key
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sessionStorage.setItem("key2", "value2-2");
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is(sessionStorage.length, 2, "The storage has two key-value pairs");
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is(sessionStorage.key(0), firstKey); // After key value changes the order must be preserved
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is(sessionStorage.key(1), secondKey);
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is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(2), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.getItem("key1"), "value1");
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is(sessionStorage.getItem("key2"), "value2-2");
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// change the first key
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sessionStorage.setItem("key1", "value1-2");
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is(sessionStorage.length, 2, "The storage has two key-value pairs");
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is(sessionStorage.key(0), firstKey); // After key value changes the order must be preserved
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is(sessionStorage.key(1), secondKey);
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is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(2), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.getItem("key1"), "value1-2");
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is(sessionStorage.getItem("key2"), "value2-2");
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// remove the second key
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sessionStorage.removeItem("key2");
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is(sessionStorage.length, 1, "The storage has one key-value pair");
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is(sessionStorage.key(0), "key1");
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is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.getItem("key1"), "value1-2");
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// Clear the storage
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sessionStorage.clear();
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is(sessionStorage.length, 0, "The storage is empty [3]");
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is(sessionStorage.key(0), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(-1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.key(1), null, "key() should return null for out-of-bounds access");
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is(sessionStorage.getItem("nonexisting"), null, "Nonexisting item is null");
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is(sessionStorage.getItem("key1"), null, "key1 removed");
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is(sessionStorage.getItem("key2"), null, "key2 removed");
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sessionStorage.removeItem("nonexisting"); // Just check there is no exception
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sessionStorage.removeItem("key1"); // Just check there is no exception
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sessionStorage.removeItem("key2"); // Just check there is no exception
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SimpleTest.executeSoon(function () {
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SpecialPowers.removeChromeEventListener("MozSessionStorageChanged", onStorageChanged, true);
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is(expectedEvents.length, 0, "received the correct number of events");
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sessionStorage.clear();
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SimpleTest.finish();
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});
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}
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SimpleTest.waitForExplicitFinish();
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</script>
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</head>
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<body onload="setup();">
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</body>
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</html>
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