<!DOCTYPE html>
<title>Test WebUSB navigator.usb.requestDevice()</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.js"></script>

<body>
<script>
promise_test(async () => {
  const frame = attachFencedFrameContext();
  await frame.execute(async () => {
    // Request USB access inside the fenced frame. It should fail.
    // https://github.com/shivanigithub/fenced-frame#security-considerations.
    try {
      await navigator.usb.requestDevice({ filters: [{ vendorId: 0}] });
      throw 'The USB request should not succeed.';
    } catch (e) {
      assert_equals(e.name, 'SecurityError');
      assert_equals(e.message,
        "Failed to execute 'requestDevice' on 'USB': " +
        'Access to the feature "usb" is disallowed by permissions policy.',
        'Fenced frame has the right error for usb.requestDevice.');
    }
  });
}, 'navigator.usb.requestDevice');
</script>
</body>