| <!DOCTYPE HTML> |
| <meta charset=utf-8> |
| <title>WebStorage Test: Storage - key(index)</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <script> |
| ["localStorage", "sessionStorage"].forEach(function(name) { |
| test(function() { |
| var storage = window[name]; |
| storage.clear(); |
| |
| storage.setItem("name", "user1"); |
| storage.setItem("age", "20"); |
| storage.setItem("a", "1"); |
| storage.setItem("b", "2"); |
| |
| var keys = ["name", "age", "a", "b"]; |
| function doTest(index) { |
| test(function() { |
| var key = storage.key(index); |
| assert_not_equals(key, null); |
| assert_true(keys.indexOf(key) >= 0, |
| "Unexpected key " + key + " found."); |
| }, name + ".key(" + index + ") should return the right thing."); |
| } |
| for (var i = 0; i < keys.length; ++i) { |
| doTest(i); |
| doTest(i + 0x100000000); |
| } |
| |
| test(function() { |
| assert_equals(storage.key(-1), null, "storage.key(-1)"); |
| assert_equals(storage.key(4), null, "storage.key(4)"); |
| }, name + ".key() should return null for out-of-range arguments."); |
| }, name + ".key"); |
| |
| test(function() { |
| var get_keys = function(s) { |
| var keys = []; |
| for (var i = 0; i < s.length; ++i) { |
| keys.push(s.key(i)); |
| } |
| return keys; |
| }; |
| var storage = window[name]; |
| storage.clear(); |
| |
| storage.setItem("name", "user1"); |
| storage.setItem("age", "20"); |
| storage.setItem("a", "1"); |
| storage.setItem("b", "2"); |
| |
| var expected_keys = get_keys(storage); |
| storage.setItem("name", "user2"); |
| assert_array_equals(get_keys(storage), expected_keys); |
| }, name + ".key with value changes"); |
| }); |
| </script> |
