dir-auto-dynamic-simple-replace.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Dynamic changes with textContent and dir=auto</title>
<link rel="match" href="dir-auto-dynamic-simple-ref.html">
<div>Test for elements with dir="auto" whose content changes between directional and neutral</div>
<div dir="auto" id="from_ltr_to_ltr">abc</div>
<div dir="auto" id="from_ltr_to_rtl">abc</div>
<div dir="auto" id="from_ltr_to_neutral">abc</div>
<div dir="auto" id="from_rtl_to_ltr">אבג</div>
<div dir="auto" id="from_rtl_to_rtl">אבג</div>
<div dir="auto" id="from_rtl_to_neutral">אבג</div>
<div dir="auto" id="from_neutral_to_ltr">123</div>
<div dir="auto" id="from_neutral_to_rtl">123</div>
<div dir="auto" id="from_neutral_to_neutral">123</div>
<script>
function changeContent() {
  var directionalTexts = {ltr:"xyz", rtl:"ابج", neutral:"456"};

  for (var dirFrom in directionalTexts) {
    for (var dirTo in directionalTexts) {
      var element = document.getElementById("from_" + dirFrom +
                                            "_to_" + dirTo);
      element.firstChild.remove();
      element.appendChild(document.createTextNode(directionalTexts[dirTo]));
    }
  }
  document.documentElement.removeAttribute("class");
}

document.addEventListener("TestRendered", changeContent);
</script>

chromium/third_party/blink/web_tests/external/wpt/html/dom/elements/global-attributes/dir-auto-dynamic-simple-replace.html