<!DOCTYPE html>
<html>
<head>
<title>Detached use of navigator.xr()</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
</head>
<body>
<iframe sandbox="allow-same-origin" id="subframe"></iframe>
<script>
//This test ensures that if a navigator.xr gets called on a detached navigator the renderer does not crash.
test(function() {
  var nav = window.frames[0].navigator;
  document.getElementById("subframe").remove();
  // If all goes well, nav.xr should just be null, otherwise the renderer will crash. 
  assert_equals(nav.xr, null);
}, "navigator.xr does not crash");
</script>
</body>
</html>