| Chase Phillips | 5aa1106 | 2019-03-08 07:52:48 | [diff] [blame] | 1 | <!doctype html> |
| 2 | <meta charset=utf-8> |
| 3 | <title>IndexedDB: ES bindings - Inject a key into a value - Keys bypass setters</title> |
| 4 | <meta name="help" |
| 5 | href="https://w3c.github.io/IndexedDB/#inject-key-into-value-keys-bypass-setters"> |
| 6 | <script src="/resources/testharness.js"></script> |
| 7 | <script src="/resources/testharnessreport.js"></script> |
| 8 | <script src="support-promises.js"></script> |
| 9 | <script> |
| 10 | |
| 11 | promise_test(async t => { |
| 12 | const db = await createDatabase(t, db => { |
| 13 | db.createObjectStore('store'); |
| 14 | }); |
| 15 | |
| 16 | let setter_called = false; |
| 17 | Object.defineProperty(Object.prototype, '10', { |
| 18 | configurable: true, |
| 19 | set: value => { setter_called = true; }, |
| 20 | }); |
| 21 | t.add_cleanup(() => { delete Object.prototype['10']; }); |
| 22 | |
| 23 | const tx = db.transaction('store', 'readwrite'); |
| 24 | const result = await promiseForRequest(t, tx.objectStore('store').put( |
| 25 | 'value', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'key'])); |
| 26 | |
| 27 | assert_false(setter_called, |
| 28 | 'Setter should not be called for key result.'); |
| 29 | assert_true(result.hasOwnProperty('10'), |
| 30 | 'Result should have own-property overriding prototype setter.'); |
| 31 | assert_equals(result[10], 'key', |
| 32 | 'Result should have expected property.'); |
| 33 | }, 'Returning keys to script should bypass prototype setters'); |
| 34 | |
| 35 | </script> |
