<!DOCTYPE html>
<title>SensorErrorEvent constructor</title>
<link rel="help" href="https://w3c.github.io/sensors/#the-sensor-error-event-interface">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(() => {
assert_equals(SensorErrorEvent.length, 2);
assert_throws(new TypeError, () => new SensorErrorEvent('error'));
}, 'SensorErrorEvent constructor without init dict');
test(() => {
const error = new DOMException;
const event = new SensorErrorEvent('type', { error: error });
assert_equals(event.type, 'type', 'type');
assert_equals(event.error, error, 'error');
}, 'SensorErrorEvent constructor with init dict');
</script>