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Test Info:

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
'use strict';
promise_test(async (t) => {
await promise_rejects_dom(
t, 'SecurityError', navigator.usb.getDevices(),
'getDevices() should throw a SecurityError DOMException when called ' +
'from a context where the top-level document has an opaque origin.');
}, 'Calls to USB APIs from an origin with opaque top origin get blocked.');
</script>