| <!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(() => { |
| return setBluetoothFakeAdapter('DisconnectingHealthThermometerAdapter') |
| .then(() => requestDeviceWithKeyDown({ |
| filters: [{services: ['health_thermometer']}]})) |
| .then(device => device.gatt.connect()) |
| .then(gattServer => gattServer.getPrimaryService('health_thermometer')) |
| .then(service => service.getCharacteristic('measurement_interval')) |
| .then(characteristic => characteristic.getDescriptor(user_description.name)) |
| .then(descriptor => { |
| assert_equals(descriptor.value, null); |
| let textEncoder = new TextEncoder(); |
| let newValue = textEncoder.encode('foo'); |
| return descriptor.writeValue(newValue).then(() => { |
| assert_array_equals(descriptor.value.buffer, newValue.buffer); |
| }) |
| }) |
| }, 'Succesful read should update descriptor\'s value.'); |
| </script> |
