source-order-valid.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 5 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /shadow-dom/focus-navigation/reading-flow/tentative/source-order-valid.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<meta name="timeout" content="long">

<title>CSS Display: reading-flow with value source-order should work</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 {

  reading-flow: source-order;

</style>

<div class="test-case" data-expect="b1,c1,a1"

      data-description="Block elements. Focus should be in DOM tabindexed-order, but reading-order takes effect.">

  <div class="wrapper" style="display: block">

    <button id="a1" style="reading-order: 1">Item A</button>

    <button id="b1" style="reading-order: -1">Item B</button>

    <button id="c1" style="reading-order: 0">Item C</button>

  </div>

</div>

<div class="test-case" data-expect="b2,c2,a2"

      data-description="Block inline elements. Focus should be in DOM tabindexed-order, but reading-order takes effect.">

  <div class="wrapper" style="display: block-inline">

    <button id="a2" style="reading-order: 1">Item A</button>

    <button id="b2" style="reading-order: -1">Item B</button>

    <button id="c2" style="reading-order: 0">Item C</button>

  </div>

</div>

<div class="test-case" data-expect="b3,c3,a3"

      data-description="Flex elements. Focus should be in DOM tabindexed-order, but reading-order takes effect.">

  <div class="wrapper" style="display: flex">

    <button id="a3" style="reading-order: 1; order: -1">Item A</button>

    <button id="b3" style="reading-order: -1">Item B</button>

    <button id="c3" style="reading-order: 0">Item C</button>

  </div>

</div>

<div class="test-case" data-expect="b4,c4,a4"

      data-description="Grid elements. Focus should be in DOM tabindexed-order, but reading-order takes effect.">

  <div class="wrapper" style="display: grid">

    <button id="a4" style="reading-order: 1; order: -1">Item A</button>

    <button id="b4" style="reading-order: -1">Item B</button>

    <button id="c4" style="reading-order: 0">Item C</button>

  </div>

</div>

<div class="test-case" data-expect="b5,c5,a5"

      data-description="Flow root elements. Focus should be in DOM tabindexed-order, but reading-order takes effect.">

  <div class="wrapper" style="display: flow-root">

    <button id="a5" style="reading-order: 1">Item A</button>

    <button id="b5" style="reading-order: -1">Item B</button>

    <button id="c5" style="reading-order: 0">Item C</button>

  </div>

</div>

<script>

runFocusTestCases();

</script>