chromium/third_party/blink/web_tests/external/wpt/css/css-text/word-space-transform/word-space-transform-016.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text level 4 Test: word-space-transform:auto-phrase</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-016-a-ref.html">
<link rel="match" href="reference/word-space-transform-016-b-ref.html">
<meta name="assert" content="word-space-transform:ideographic-space auto-phrase inserts virtual word boundaries at reasonable points, which can then be expanded into ideographic spaces">
<style>
div {
  font-size: 2em;
  border: solid black;
  margin: 5px;
  width: 30ch;
}
#test {
  word-space-transform: ideographic-space auto-phrase;
}
#ref1 {
  border-color: blue;
}
#ref2 {
  border-color: orange;
}
</style>

<p>Test passes if the black box is identical to either the blue or orange one.

<div id=ref1 lang=ja>東京へ 行きましょう。</div>
<div id=test lang=ja>東京へ行きましょう。</div>
<div id=ref2 lang=ja>東京 へ 行きましょう。</div>

<!-- The first reference is preferable,
    but as the specific algo is up to the UA
    arguably the second one is OK too.
-->