throws-exception.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /dom/nodes/moveBefore/tentative/throws-exception.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>moveBefore exception conditions</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

<div></div>

<script>

test(t => {

  const iframe = document.createElement('iframe');

  document.body.append(iframe);

  const connectedCrossDocChild = iframe.contentDocument.createElement('div');

  const connectedLocalParent = document.querySelector('div');

  assert_throws_dom("HIERARCHY_REQUEST_ERR", () => {

    connectedLocalParent.moveBefore(connectedCrossDocChild, null);

  }, "moveBefore on a cross-document target node throws an exception");

}, "moveBefore() on a cross-document target node");

</script>