chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/flexbox_align-items-center-3.html

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-align-3/#align-flex">
<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
<meta name="assert" content="This checks that an orthogonal flex-item with center alignment doesn't stretch.">
<p>Test passes if there is a filled green square.</p>
<style>
.container {
  margin-left: -50px;
  width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.child {
  writing-mode: vertical-rl;
  height: 100px;
  background: green;
}
</style>
<div class="container">
  <div class="child">
    <div style="width: 100px;"></div>
  </div>
</div>