servo/tests/wpt/web-platform-tests/webusb/usbConnectionEvent.https.html

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HTML

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/fake-devices.js"></script>
<script src="resources/usb-helpers.js"></script>
<script>
'use strict';
usb_test(() => {
return getFakeDevice().then(({ device }) => {
let evt = new USBConnectionEvent('connect', { device: device });
assert_equals(evt.type, 'connect');
assert_equals(evt.device, device);
});
}, 'Can construct a USBConnectionEvent with a device');
test(t => {
assert_throws(TypeError(), () =>
new USBConnectionEvent('connect', { device: null }));
assert_throws(TypeError(), () => new USBConnectionEvent('connect', {}));
}, 'Cannot construct a USBConnectionEvent without a device');
</script>