popover-removal-2.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/popovers/popover-removal-2.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8" />

<title>Popover document removal behavior</title>

<link rel="author" href="mailto:masonf@chromium.org">

<link rel=help href="https://open-ui.org/components/popover.research.explainer">

<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">

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

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

<iframe id=frame1 srcdoc="<div popover id=popover>Popover</div>"></iframe>

<iframe id=frame2></iframe>

<script>

  window.onload = () => {

    test(t => {

      const frame1Doc = document.getElementById('frame1').contentDocument;

      const frame2Doc = document.getElementById('frame2').contentDocument;

      const popover = frame1Doc.querySelector('[popover]');

      assert_true(!!popover);

      assert_false(popover.matches(':popover-open'));

      popover.showPopover();

      assert_true(popover.matches(':popover-open'));

      frame2Doc.body.appendChild(popover);

      assert_false(popover.matches(':popover-open'));

      popover.showPopover();

      assert_true(popover.matches(':popover-open'));

    }, 'Moving popover between documents shouldn\'t cause issues');

};

</script>