'use strict';
const test_desc = 'Device disconnects before FUNCTION_NAME. ' +
    'Reject with NetworkError.';
let device, characteristic, fake_peripheral;

function createDOMException(func) {
  return new DOMException(
      `Failed to execute '${func}' on 'BluetoothRemoteGATTCharacteristic': ` +
      `GATT Server is disconnected. Cannot perform GATT operations. ` +
      `(Re)connect first with \`device.gatt.connect\`.`,
      'NetworkError');
}

bluetooth_test(() => getMeasurementIntervalCharacteristic()
    .then(_ => ({device, characteristic, fake_peripheral} = _))
    .then(() => simulateGATTDisconnectionAndWait(device, fake_peripheral))
    .then(() => assert_promise_rejects_with_message(
          characteristic.CALLS([
            readValue()|
            writeValue(new Uint8Array(1 /*length */))|
            writeValueWithResponse(new Uint8Array(1 /*length */))|
            writeValueWithoutResponse(new Uint8Array(1 /*length */))|
            startNotifications()|
            stopNotifications()
          ]),
          createDOMException('FUNCTION_NAME'))),
    test_desc);