chromium/third_party/blink/web_tests/external/wpt/css/css-text/word-space-transform/word-space-transform-027.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text level 4 Test: word-space-transform: auto-phrase forbidden</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="help" href="https://drafts.csswg.org/css-text-4/#word-phrase-detection">
<link rel="match" href="reference/word-space-transform-027-ref.html">
<meta name="assert" content="The UA must not insert (and expand) a virtual word boundary when the language is unknown">
<style>
div {
  font-size: 2em;
  border: solid black;
  margin: 5px;
  width: 30ch;
}
#test {
  word-space-transform: ideographic-space auto-phrase;
}
</style>

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

<div id=test>東京へ行きましょう。</div>
<div id=ref>東京へ行きましょう。</div>