bindings-inject-keys-bypass.any.js (1025B)
1 // META: global=window,worker 2 // META: title=IndexedDB: ES bindings - Inject a key into a value - Keys bypass setters 3 // META: script=resources/support-promises.js 4 'use strict'; 5 6 7 promise_test(async t => { 8 const db = await createDatabase(t, db => { 9 db.createObjectStore('store'); 10 }); 11 12 let setter_called = false; 13 Object.defineProperty(Object.prototype, '10', { 14 configurable: true, 15 set: value => { setter_called = true; }, 16 }); 17 t.add_cleanup(() => { delete Object.prototype['10']; }); 18 19 const tx = db.transaction('store', 'readwrite'); 20 const result = await promiseForRequest(t, tx.objectStore('store').put( 21 'value', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'key'])); 22 23 assert_false(setter_called, 24 'Setter should not be called for key result.'); 25 assert_true(result.hasOwnProperty('10'), 26 'Result should have own-property overriding prototype setter.'); 27 assert_equals(result[10], 'key', 28 'Result should have expected property.'); 29 }, 'Returning keys to script should bypass prototype setters');