dir-dynamic.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/selectors/pseudo-classes/dir-dynamic.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

  <meta charset="utf-8">

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

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

  <link rel="author" title="Vincent Hilla" href="mailto:vhilla@mozilla.com">

  <link rel="help" href="https://html.spec.whatwg.org/#the-directionality">

</head>

<body>

  <input id="inp"/>

  <textarea id="ta"></textarea>

  <div id="div"></div>

  <pre id="pre"></pre>

  <script>

    function doTest(e) {

      e.dir = "ltr";

      assert_true(e.matches(":dir(ltr)"), "dir to ltr on " + e.tagName + " element");

      e.dir = "rtl";

      assert_true(e.matches(":dir(rtl)"), "dir to rtl on " + e.tagName + " element");

      e.dir = "auto";

      assert_true(e.matches(":dir(ltr)"), "dir to auto, empty text on " + e.tagName + " element");

      e.value = "\u05D0;";

      e.textContent = "\u05D0;";

      assert_true(e.matches(":dir(rtl)"), "auto dir, text to Hebrew on " + e.tagName + " element");

      e.dir = "ltr";

      assert_true(e.matches(":dir(ltr)"), "dir to ltr, Hebrew text on " + e.tagName + " element");

      e.dir = "auto";

      assert_true(e.matches(":dir(rtl)"), "dir to auto, Hebrew text on " + e.tagName + " element");

      e.removeAttribute("dir");

      assert_true(e.matches(":dir(ltr)"), "dir removed, Hebrew text on " + e.tagName + " element");

    const elements = [inp, ta, div, pre];

    for (const e of elements) {

      test(() => doTest(e), "Dynamically changing dir, text on " + e.tagName.toLowerCase() + " element");

  </script>

</body>

</html>