chromium/third_party/blink/web_tests/external/wpt/css/css-text/word-space-transform/word-space-transform-001.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text level 4 Test: word-space-transform:ideographic-space </title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<link rel="help" href="https://drafts.csswg.org/css-text-4/#word-space-transform">
<link rel="match" href="reference/word-space-transform-001-ref.html">
<meta name="assert" content="Both zero-width-spaces and <wbr> are expanded by word-space-transform: ideographic-space">
<style>
div {
  font-size: 2em;
}
#test {
  word-space-transform: ideographic-space;
}
</style>

<p>Test passes if the two lines below are identical.

<div id=test>あ<wbr>い&#x200B;う</div>
<div id=ref>あ い う</div>