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firefox/testing/web-platform/tests/IndexedDB/bindings-inject-keys-bypass.any.js
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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JavaScript

// META: global=window,worker
// META: title=IndexedDB: ES bindings - Inject a key into a value - Keys bypass setters
// META: script=resources/support-promises.js
'use_strict';
promise_test(async t => {
const db = await createDatabase(t, db => {
db.createObjectStore('store');
});
let setter_called = false;
Object.defineProperty(Object.prototype, '10', {
configurable: true,
set: value => { setter_called = true; },
});
t.add_cleanup(() => { delete Object.prototype['10']; });
const tx = db.transaction('store', 'readwrite');
const result = await promiseForRequest(t, tx.objectStore('store').put(
'value', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'key']));
assert_false(setter_called,
'Setter should not be called for key result.');
assert_true(result.hasOwnProperty('10'),
'Result should have own-property overriding prototype setter.');
assert_equals(result[10], 'key',
'Result should have expected property.');
}, 'Returning keys to script should bypass prototype setters');