<!-- Generated by //third_party/WebKit/LayoutTests/bluetooth/generate.py -->
<!DOCTYPE html>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../resources/bluetooth/bluetooth-helpers.js"></script>
<script>
'use strict';
bluetooth_test(() => {
  let val = new Uint8Array([1]);
  return setBluetoothFakeAdapter('DisconnectingHealthThermometerAdapter')
    .then(() => requestDeviceWithKeyDown({
      filters: [{services: ['health_thermometer']}]}))
    .then(device => device.gatt.connect())
    .then(gattServer => {
      return gattServer.getPrimaryService('health_thermometer')
        .then(service => service.getCharacteristic('measurement_interval'))
        .then(measurement_interval => {
          gattServer.disconnect();
          return assert_promise_rejects_with_message(
            measurement_interval.writeValue(val),
            new DOMException(
              'GATT Server is disconnected. Cannot perform GATT operations. ' +
              '(Re)connect first with `device.gatt.connect`.',
              'NetworkError'));
        });
    });
}, 'disconnect() called before writeValue. Reject with NetworkError.');

</script>