chromium/third_party/blink/web_tests/external/wpt/css/css-text/white-space/eol-spaces-bidi-004.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Text 3 test: trailing collapsible spaces and bidi</title>
<link rel="author" title="Andreu Botella" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-pre-wrap">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
<link rel="match" href="reference/eol-spaces-bidi-004-ref.html">
<link rel="match" href="reference/eol-spaces-bidi-alt-004-ref.html">
<meta name="assert" content="Hanging space should take paragraph direction and show at the end of the line (blue box to the left)">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />

<style>
  div#test {
      direction: rtl;
      text-align: left;

      font: 20px/1 Ahem;
      margin-left: 20px;
      background: green;
      color: red;

      width: 4ch;
      white-space: pre-wrap;
  }
  span {
      background: blue;
  }
  #green-cover {
    position: absolute;
    margin-left: 20px;
    width: 60px;
    height: 40px;
    background:
        linear-gradient(green, green) 0 0 / 60px 20px no-repeat,
        linear-gradient(green, green) 0 20px / 20px 20px no-repeat;
    z-index: 1;
  }
</style>
<p>Test passes if a blue box (the white space) is visible at the left start in first line and <strong>no red</strong> is shown.</p>
<div id="green-cover"></div>
<div id="test"><span>XXX </span>X</div>