chromium/third_party/blink/web_tests/external/wpt/selection/stringifier.tentative.html

<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Selection: stringifier</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
window.onload = () => {
  test(() => {
    const selection = getSelection();
    const p = document.querySelector("p");

    const range = document.createRange();
    range.selectNode(p);
    selection.addRange(range);

    // In Chrome there are trailing \n characters. There is no spec for the
    // stringifier, just a link to
    // https://www.w3.org/Bugs/Public/show_bug.cgi?id=10583
    assert_equals(selection.toString(), "foo bar");
  });
};
</script>
<!-- The structure of the document matters, in particular making this look like
     in addRange.htm would mask the problem. -->
<body>
  <p>foo bar</p>
</body>
</html>