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fire-error-event-exception.html
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<!DOCTYPE html>
<meta charset=utf-8>
<title>Fire error event - Exception thrown</title>
<link rel="help" href="https://w3c.github.io/IndexedDB/#fire-error-event">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=support.js></script>
<script>
setup({allow_uncaught_exception:true});
function fire_error_event_test(func, description) {
indexeddb_test(
(t, db) => {
db.createObjectStore('s');
},
(t, db) => {
const tx = db.transaction('s', 'readwrite');
tx.oncomplete = t.unreached_func('transaction should abort');
const store = tx.objectStore('s');
store.put(0, 0);
const request = store.add(0, 0);
request.onsuccess = t.unreached_func('request should fail');
func(t, db, tx, request);
tx.addEventListener('abort', t.step_func_done(() => {
assert_equals(tx.error.name, 'AbortError');
}));
},
description);
}
// Listeners on the request.
fire_error_event_test((t, db, tx, request) => {
request.onerror = () => {
throw Error();
};
}, 'Exception in error event handler on request');
fire_error_event_test((t, db, tx, request) => {
request.onerror = e => {
e.preventDefault();
throw Error();
};
}, 'Exception in error event handler on request, with preventDefault');
fire_error_event_test((t, db, tx, request) => {
request.addEventListener('error', () => {
throw Error();
});
}, 'Exception in error event listener on request');
fire_error_event_test((t, db, tx, request) => {
request.addEventListener('error', {
get handleEvent() {
throw new Error();
},
});
}, 'Exception in error event listener ("handleEvent" lookup) on request');
fire_error_event_test((t, db, tx, request) => {
request.addEventListener('error', {});
}, 'Exception in error event listener (non-callable "handleEvent") on request');
fire_error_event_test((t, db, tx, request) => {
request.addEventListener('error', () => {
// no-op
});
request.addEventListener('error', () => {
throw Error();
});
}, 'Exception in second error event listener on request');
fire_error_event_test((t, db, tx, request) => {
let second_listener_called = false;
request.addEventListener('error', () => {
throw Error();
});
request.addEventListener('error', t.step_func(() => {
second_listener_called = true;
assert_true(is_transaction_active(tx, 's'),
'Transaction should be active until dispatch completes');
}));
tx.addEventListener('abort', t.step_func(() => {
assert_true(second_listener_called);
}));
}, 'Exception in first error event listener on request, ' +
'transaction active in second');
// Listeners on the transaction.
fire_error_event_test((t, db, tx, request) => {
tx.onerror = () => {
throw Error();
};
}, 'Exception in error event handler on transaction');
fire_error_event_test((t, db, tx, request) => {
tx.onerror = e => {
e.preventDefault();
throw Error();
};
}, 'Exception in error event handler on transaction, with preventDefault');
fire_error_event_test((t, db, tx, request) => {
tx.addEventListener('error', () => {
throw Error();
});
}, 'Exception in error event listener on transaction');
fire_error_event_test((t, db, tx, request) => {
tx.addEventListener('error', () => {
// no-op
});
tx.addEventListener('error', () => {
throw Error();
});
}, 'Exception in second error event listener on transaction');
fire_error_event_test((t, db, tx, request) => {
let second_listener_called = false;
tx.addEventListener('error', () => {
throw Error();
});
tx.addEventListener('error', t.step_func(() => {
second_listener_called = true;
assert_true(is_transaction_active(tx, 's'),
'Transaction should be active until dispatch completes');
}));
tx.addEventListener('abort', t.step_func(() => {
assert_true(second_listener_called);
}));
}, 'Exception in first error event listener on transaction, ' +
'transaction active in second');
// Listeners on the connection.
fire_error_event_test((t, db, tx, request) => {
db.onerror = () => {
throw Error();
};
}, 'Exception in error event handler on connection');
fire_error_event_test((t, db, tx, request) => {
db.onerror = e => {
e.preventDefault()
throw Error();
};
}, 'Exception in error event handler on connection, with preventDefault');
fire_error_event_test((t, db, tx, request) => {
db.addEventListener('error', () => {
throw Error();
});
}, 'Exception in error event listener on connection');
fire_error_event_test((t, db, tx, request) => {
db.addEventListener('error', () => {
// no-op
});
db.addEventListener('error', () => {
throw Error();
});
}, 'Exception in second error event listener on connection');
fire_error_event_test((t, db, tx, request) => {
let second_listener_called = false;
db.addEventListener('error', () => {
throw Error();
});
db.addEventListener('error', t.step_func(() => {
second_listener_called = true;
assert_true(is_transaction_active(tx, 's'),
'Transaction should be active until dispatch completes');
}));
tx.addEventListener('abort', t.step_func(() => {
assert_true(second_listener_called);
}));
}, 'Exception in first error event listener on connection, ' +
'transaction active in second');
</script>