grid-order-on-shadow-host.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /shadow-dom/focus-navigation/reading-flow/tentative/grid-order-on-shadow-host.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>CSS Display: reading-flow with value grid-order on shadow host</title>

<link rel="help" href="https://drafts.csswg.org/css-display-4/#reading-flow">

<link rel="author" title="Di Zhang" href="mailto:dizhangg@chromium.org">

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

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

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

<script src="/resources/testdriver-vendor.js"></script>

<script src="/resources/testdriver-actions.js"></script>

<script src='../../resources/shadow-dom.js'></script>

<script src="../../resources/focus-utils.js"></script>

<style>

.wrapper {

  display: grid;

  reading-flow: grid-order;

</style>

<div class="test-case" data-expect="host/B,host/A"

      data-description="Grid items in shadow host with delegatesFocus">

  <div id="host" class="wrapper" tabindex="0">

    <template shadowrootmode="open" shadowrootdelegatesfocus>

      <button id="A" style="order: 2">A</button>

      <button id="B" style="order: 1">B</button>

    </template>

  </div>

</div>

<div class="test-case" data-expect="host2,host2/B,host2/A"

      data-description="Grid items in shadow host without delegatesFocus">

  <div id="host2" class="wrapper" tabindex="0">

    <template shadowrootmode="open">

      <button id="A" style="order: 2">A</button>

      <button id="B" style="order: 1">B</button>

    </template>

  </div>

</div>

<script>

runFocusTestCases();

</script>