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<!doctype html>
<meta charset=utf-8>
<title>IndexedDB: IDBCursor advance() Exception Ordering</title>
<link rel="help" href="https://w3c.github.io/IndexedDB/#dom-idbcursor-advance">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/support.js"></script>
<script>
indexeddb_test(
(t, db) => {
const store = db.createObjectStore('s');
store.put('value', 'key');
},
(t, db) => {
const tx = db.transaction('s', 'readonly', {durability: 'relaxed'});
const store = tx.objectStore('s');
const r = store.openKeyCursor();
r.onsuccess = t.step_func(() => {
r.onsuccess = null;
const cursor = r.result;
setTimeout(t.step_func(() => {
assert_throws_js(TypeError, () => { cursor.advance(0); },
'"zero" check (TypeError) should precede ' +
'"not active" check (TransactionInactiveError)');
t.done();
}), 0);
});
},
'IDBCursor.advance exception order: TypeError vs. TransactionInactiveError'
);
indexeddb_test(
(t, db) => {
const store = db.createObjectStore('s');
const s = db.createObjectStore('s2');
s.put('value', 'key');
const r = s.openKeyCursor();
r.onsuccess = t.step_func(() => {
r.onsuccess = null;
const cursor = r.result;
db.deleteObjectStore('s2');
setTimeout(t.step_func(() => {
assert_throws_dom('TransactionInactiveError', () => { cursor.advance(1); },
'"not active" check (TransactionInactiveError) ' +
'should precede "deleted" check (InvalidStateError)');
t.done();
}), 0);
});
},
(t, db) => {},
'IDBCursor.advance exception order: ' +
'TransactionInactiveError vs. InvalidStateError #1'
);
indexeddb_test(
(t, db) => {
const store = db.createObjectStore('s');
store.put('value', 'key');
},
(t, db) => {
const tx = db.transaction('s', 'readonly', {durability: 'relaxed'});
const store = tx.objectStore('s');
const r = store.openKeyCursor();
r.onsuccess = t.step_func(() => {
r.onsuccess = null;
const cursor = r.result;
cursor.advance(1);
setTimeout(t.step_func(() => {
assert_throws_dom('TransactionInactiveError', () => { cursor.advance(1); },
'"not active" check (TransactionInactiveError) ' +
'should precede "got value" check (InvalidStateError)');
t.done();
}), 0);
});
},
'IDBCursor.advance exception order: ' +
'TransactionInactiveError vs. InvalidStateError #2'
);
</script>
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