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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/test-only-api.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: 'ConnectEvent' });
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>
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