chromium/third_party/blink/web_tests/wpt_internal/bluetooth/requestDevice/radio-off.https.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/bluetooth/resources/bluetooth-test.js"></script>
<script src="/bluetooth/resources/bluetooth-fake-devices.js"></script>
<script>
'use strict';
bluetooth_test(() => {
  setBluetoothManualChooser(true);
  let requestDevicePromise =
      navigator.bluetooth.test.simulateCentral({state: 'powered-off'})
          .then(
              () => requestDeviceWithTrustedClick(
                  {filters: [{services: ['generic_access']}]}));
  return getBluetoothManualChooserEvents(2).then(events => {
    assert_array_equals(
        events, ['chooser-opened(https://web-platform.test:8444)', 'adapter-disabled'], events);
    sendBluetoothManualChooserEvent('cancelled', '');
    return assert_promise_rejects_with_message(
        requestDevicePromise,
        new DOMException(
            'User cancelled the requestDevice() chooser.', 'NotFoundError'),
        'Bluetooth adapter is not powered.');
  });
}, 'Reject with NotFoundError if the BT radio is off.');
</script>