| <!doctype html> |
| <meta charset=utf-8> |
| <title>IndexedDB: ES bindings - Inject a key into a value - Values bypass |
| setters</title> |
| <meta name="help" |
| href="https://w3c.github.io/IndexedDB/#inject-key-into-value-values-bypass-setters"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support-promises.js"></script> |
| <script> |
| |
| promise_test(async t => { |
| const db = await createDatabase(t, db => { |
| db.createObjectStore('store', {autoIncrement: true, keyPath: 'id'}); |
| }); |
| |
| let setter_called = false; |
| Object.defineProperty(Object.prototype, 'id', { |
| configurable: true, |
| set: value => { setter_called = true; }, |
| }); |
| t.add_cleanup(() => { delete Object.prototype['id']; }); |
| |
| const tx = db.transaction('store', 'readwrite'); |
| tx.objectStore('store').put({}); |
| const result = await promiseForRequest(t, tx.objectStore('store').get(1)); |
| |
| assert_false(setter_called, |
| 'Setter should not be called for key result.'); |
| assert_true(result.hasOwnProperty('id'), |
| 'Result should have own-property overriding prototype setter.'); |
| assert_equals(result.id, 1, |
| 'Own property should match primary key generator value'); |
| }, 'Returning values to script should bypass prototype setters'); |
| |
| </script> |
