| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script src="/bluetooth/resources/bluetooth-test.js"></script> |
| <script src="/bluetooth/resources/bluetooth-fake-devices.js"></script> |
| <script> |
| 'use strict'; |
| let char; |
| bluetooth_test(() => { |
| return setBluetoothFakeAdapter('HeartRateAdapter') |
| .then(() => requestDeviceWithTrustedClick({ |
| filters: [{services: ['heart_rate']}]})) |
| .then(device => device.gatt.connect()) |
| .then(gattServer => gattServer.getPrimaryService('heart_rate')) |
| .then(service => service.getCharacteristic('heart_rate_measurement')) |
| .then(characteristic => { |
| char = characteristic; |
| return Promise.all([ |
| characteristic.startNotifications(), |
| characteristic.startNotifications() |
| ]); |
| }) |
| .then(() => { |
| return new Promise(resolve => { |
| let event_listener = () => { |
| char.removeEventListener('characteristicvaluechanged', event_listener); |
| resolve(); |
| }; |
| char.addEventListener('characteristicvaluechanged', event_listener); |
| }) |
| }); |
| }, 'Starting notification concurrently still can receive notification.'); |
| </script> |
