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35 lines
1.4 KiB
HTML
35 lines
1.4 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 - Values bypass chain</title>
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<meta name="help"
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href="https://w3c.github.io/IndexedDB/#inject-key-into-value-values-bypass-chain">
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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', {autoIncrement: true, keyPath: 'a.b.c'});
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});
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Object.prototype.a = {b: {c: 'on proto'}};
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t.add_cleanup(() => { delete Object.prototype.a; });
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const tx = db.transaction('store', 'readwrite');
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tx.objectStore('store').put({});
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const result = await promiseForRequest(t, tx.objectStore('store').get(1));
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assert_true(result.hasOwnProperty('a'),
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'Result should have own-properties overriding prototype.');
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assert_true(result.a.hasOwnProperty('b'),
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'Result should have own-properties overriding prototype.');
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assert_true(result.a.b.hasOwnProperty('c'),
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'Result should have own-properties overriding prototype.');
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assert_equals(result.a.b.c, 1,
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'Own property should match primary key generator value');
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assert_equals(Object.prototype.a.b.c, 'on proto',
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'Prototype should not be modified');
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}, 'Returning values to script should bypass prototype chain');
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</script>
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