| <!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('HeartRateAdapter') |
| .then(() => requestDeviceWithKeyDown({ |
| filters: [{services: ['heart_rate']}], |
| optionalServices: ['generic_access']})) |
| .then(device => device.gatt.connect()) |
| .then(gattServer => gattServer.getPrimaryService('generic_access')) |
| .then(service => service.getCharacteristic('gap.device_name')) |
| .then(characteristic => { |
| assert_equals(characteristic.value, null); |
| let textEncoder = new TextEncoder(); |
| let newValue = textEncoder.encode('foo'); |
| return characteristic.writeValue(newValue).then(() => { |
| assert_array_equals(new Uint8Array(characteristic.value.buffer), |
| new Uint8Array(newValue.buffer)); |
| }); |
| }); |
| }, 'A regular write request to a writable characteristic should update value.'); |
| </script> |