| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/webusb/resources/fake-devices.js"></script> |
| <script src="/webusb/resources/usb-helpers.js"></script> |
| <script> |
| 'use strict'; |
| |
| async function connectInWorker() { |
| let worker = new Worker('/webusb/resources/open-in-worker.js'); |
| let opened = false; |
| |
| await navigator.usb.test.attachToContext(worker); |
| function nextWorkerMessage() { |
| return new Promise(resolve => worker.addEventListener( |
| 'message', e => resolve(e.data))); |
| } |
| worker.postMessage({ type: 'Ready' }); |
| |
| assert_equals('Ready', (await nextWorkerMessage()).type); |
| let fakeDevice = navigator.usb.test.addFakeDevice(fakeDeviceInit); |
| let closedPromise = new Promise(resolve => fakeDevice.onclose = resolve) |
| .then(() => assert_true(opened)); |
| |
| assert_equals('Success', (await nextWorkerMessage()).type); |
| opened = true; |
| return { worker, closedPromise }; |
| } |
| |
| usb_test(async () => { |
| let { worker, closedPromise } = await connectInWorker(); |
| worker.terminate(); |
| await closedPromise; |
| }, 'terminating worker disconnects device.'); |
| </script> |