зеркало из https://github.com/mozilla/gecko-dev.git
36 строки
1.2 KiB
HTML
36 строки
1.2 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>IndexedDB: ES bindings - Inject a key into a value - Keys bypass setters</title>
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<meta name="help"
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href="https://w3c.github.io/IndexedDB/#inject-key-into-value-keys-bypass-setters">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support-promises.js"></script>
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<script>
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promise_test(async t => {
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const db = await createDatabase(t, db => {
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db.createObjectStore('store');
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});
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let setter_called = false;
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Object.defineProperty(Object.prototype, '10', {
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configurable: true,
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set: value => { setter_called = true; },
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});
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t.add_cleanup(() => { delete Object.prototype['10']; });
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const tx = db.transaction('store', 'readwrite');
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const result = await promiseForRequest(t, tx.objectStore('store').put(
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'value', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'key']));
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assert_false(setter_called,
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'Setter should not be called for key result.');
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assert_true(result.hasOwnProperty('10'),
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'Result should have own-property overriding prototype setter.');
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assert_equals(result[10], 'key',
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'Result should have expected property.');
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}, 'Returning keys to script should bypass prototype setters');
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</script>
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