Revision e4248bd6a97720b5a9e35e3d0ebb92a42c8c4af3 authored by Geoffrey Sneddon on 11 April 2018, 07:26:51 UTC, committed by Geoffrey Sneddon on 11 April 2018, 07:26:51 UTC
1 parent d44cd21
bindings-inject-key.html
<!doctype html>
<meta charset=utf-8>
<title>IndexedDB: ES bindings - Inject a key into a value</title>
<meta name="help" href="https://w3c.github.io/IndexedDB/#inject-key-into-value">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
indexeddb_test(
(t, db) => {
db.createObjectStore('store');
},
(t, db) => {
const tx = db.transaction('store', 'readwrite');
const request = tx.objectStore('store').put(
'value', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'key']);
const setter_called = false;
Object.defineProperty(Object.prototype, '10', {
configurable: true,
set: t.step_func((value) => { setter_called = true; }),
});
request.onerror = t.unreached_func('request should not fail');
request.onsuccess = t.step_func(() => {
const result = request.result;
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.');
delete Object.prototype['10'];
t.done();
});
},
'Returning keys to script should bypass prototype setters'
);
indexeddb_test(
(t, db) => {
db.createObjectStore('store', {autoIncrement: true, keyPath: 'id'});
},
(t, db) => {
const tx = db.transaction('store', 'readwrite');
tx.objectStore('store').put({});
const request = tx.objectStore('store').get(1);
const setter_called = false;
Object.defineProperty(Object.prototype, 'id', {
configurable: true,
set: t.step_func(function(value) { setter_called = true; }),
});
request.onerror = t.unreached_func('request should not fail');
request.onsuccess = t.step_func(function() {
const result = request.result;
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');
delete Object.prototype['id'];
t.done();
});
},
'Returning values to script should bypass prototype setters'
);
indexeddb_test(
(t, db) => {
db.createObjectStore('store', {autoIncrement: true, keyPath: 'a.b.c'});
},
(t, db) => {
const tx = db.transaction('store', 'readwrite');
tx.objectStore('store').put({});
const request = tx.objectStore('store').get(1);
Object.prototype.a = {b: {c: 'on proto'}};
request.onerror = t.unreached_func('request should not fail');
request.onsuccess = t.step_func(function() {
const result = request.result;
assert_true(result.hasOwnProperty('a'),
'Result should have own-properties overriding prototype.');
assert_true(result.a.hasOwnProperty('b'),
'Result should have own-properties overriding prototype.');
assert_true(result.a.b.hasOwnProperty('c'),
'Result should have own-properties overriding prototype.');
assert_equals(result.a.b.c, 1,
'Own property should match primary key generator value');
assert_equals(Object.prototype.a.b.c, 'on proto',
'Prototype should not be modified');
t.done();
});
},
'Returning values to script should bypass prototype chain'
);
</script>
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