| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <title>WebStorage Test: Storage - enumerate and built-in properties</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id="log"></div> |
| <script> |
| ["localStorage", "sessionStorage"].forEach(function(name) { |
| test(function() { |
| assert_true(name in window, name + " exist"); |
| |
| var storage = window[name]; |
| storage.clear(); |
| |
| Storage.prototype.prototypeTestKey = "prototypeTestValue"; |
| storage.foo = "bar"; |
| storage.fu = "baz"; |
| storage.batman = "bin suparman"; |
| storage.bar = "foo"; |
| storage.alpha = "beta"; |
| storage.zeta = "gamma"; |
| |
| const enumeratedArray = Object.keys(storage); |
| enumeratedArray.sort(); // Storage order is implementation-defined. |
| |
| const expectArray = ["alpha", "bar", "batman", "foo", "fu", "zeta"]; |
| assert_array_equals(enumeratedArray, expectArray); |
| |
| // 'prototypeTestKey' is not an actual storage key, it is just a |
| // property set on Storage's prototype object. |
| assert_equals(storage.length, 6); |
| assert_equals(storage.getItem("prototypeTestKey"), null); |
| assert_equals(storage.prototypeTestKey, "prototypeTestValue"); |
| }, name + ": enumerate a Storage object and get only the keys as a result and the built-in properties of the Storage object should be ignored"); |
| |
| test(function() { |
| const storage = window[name]; |
| storage.clear(); |
| |
| storage.setItem("foo", "bar"); |
| storage.baz = "quux"; |
| storage.setItem(0, "alpha"); |
| storage[42] = "beta"; |
| |
| for (let prop in storage) { |
| if (!storage.hasOwnProperty(prop)) |
| continue; |
| const desc = Object.getOwnPropertyDescriptor(storage, prop); |
| assert_true(desc.configurable); |
| assert_true(desc.enumerable); |
| assert_true(desc.writable); |
| } |
| |
| const keys = Object.keys(storage); |
| keys.sort(); // Storage order is implementation-defined. |
| assert_array_equals(keys, ["0", "42", "baz", "foo"]); |
| |
| const values = Object.values(storage); |
| values.sort(); // Storage order is implementation-defined. |
| assert_array_equals(values, ["alpha", "bar", "beta", "quux"]); |
| }, name + ": test enumeration of numeric and non-numeric keys"); |
| }); |
| </script> |
| </body> |
| </html> |
| |
