text-box-trim-half-leading-block-box-002.html

<!DOCTYPE html>
<title>text-box-trim trims the block-start (not over) side of a line box</title>
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-trim">
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-edge">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<link rel="match" href="text-box-trim-half-leading-block-box-002-ref.html">

<style>
.div-parent {
  outline: 1px solid orange;
  font: 20px/3 Ahem;
  writing-mode: vertical-lr;
  text-box-trim: trim-start;
  text-box-edge: text;
}
</style>

<div class="div-parent">Test</div>

chromium/third_party/blink/web_tests/external/wpt/css/css-inline/text-box-trim/text-box-trim-half-leading-block-box-002.html