chromium/third_party/blink/web_tests/fast/writing-mode/text-combine-justify-expected.html

<!DOCTYPE html>
<meta charset="utf-8">
<style>
html {
  writing-mode:vertical-rl;
}
.tcy {
  text-combine-upright:all;
}
div {
  font-family:Ahem;
  font-size:20px;
  line-height:1;
}
</style>
<div><span class="tcy">平成</span>  あ  あ<br>WWWWW</div>
<div>あ  あ  <span class="tcy">平成</span><br>WWWWW</div>
<div>あ  <span class="tcy">平成</span>  あ<br>WWWWW</div>
<div>W  <span class="tcy">平成</span>  あ<br>WWWWW</div>
<div>あ  <span class="tcy">平成</span>  W<br>WWWWW</div>
<div>W  <span class="tcy">平成</span>  W<br>WWWWW</div>