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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="resources/fake-devices.js"></script>
<script src="resources/usb-helpers.js"></script>
<script>
'use strict';
async function connectInIframe() {
let iframe = document.createElement('iframe');
let opened = false;
iframe.src = 'resources/open-in-iframe.html';
document.body.appendChild(iframe);
await navigator.usb.test.attachToContext(iframe);
function nextIFrameMessage() {
return new Promise(resolve => window.addEventListener(
'message', e => resolve(e.data)));
}
iframe.contentWindow.postMessage('Ready', '*');
assert_equals('Ready', (await nextIFrameMessage()));
let fakeDevice = navigator.usb.test.addFakeDevice(fakeDeviceInit);
let closedPromise = new Promise(resolve => fakeDevice.onclose = resolve)
.then(() => assert_true(opened));
assert_equals('Success', (await nextIFrameMessage()));
opened = true;
return { iframe, closedPromise };
}
usb_test(async () => {
let { iframe, closedPromise } = await connectInIframe();
document.body.removeChild(iframe);
await closedPromise;
}, 'detaching iframe disconnects device.');
usb_test(async () => {
let { iframe, closedPromise } = await connectInIframe();
iframe.src = 'about:blank';
await closedPromise;
}, 'navigating iframe disconnects device.');
</script>
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