chromium/third_party/blink/web_tests/external/wpt/css/css-text/hyphens/shy-styling-001.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text Test: soft hyphen styling</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#hyphens-property">
<link rel="match" href="reference/shy-styling-001-ref.html">
<link rel="match" href="reference/shy-styling-001-alt-ref.html">
<meta name="assert" content="hypens inserted where there was a soft-hyphen take on the styles that would have applied to the soft hyphen">
<style>
div {
  width: 0ch;
  hyphens: manual;
}
span {
  font-size: 3em;
  color: red;
  text-shadow: 3px 3px 3px black;
}
</style>

<p>Test passes if the word “example” below is hyphenated, and the hyphen is large, red, and has a shadow

<div>ex<span>&shy;</span>ample</div>