| <!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'; |
| promise_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 => { |
| return assert_promise_rejects_with_message( |
| descriptor.writeValue(new Uint8Array(513 /* length */)), |
| new DOMException( |
| 'Value can\'t exceed 512 bytes.', 'InvalidModificationError'), |
| 'Value passed was too long.'); |
| }) |
| }, 'Trying to write more than 512 bytes should return an error.'); |
| </script> |
