chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/flex-aspect-ratio-img-column-004.html

<!DOCTYPE html>
<link rel="author" title="Google LLC" href="http://www.google.com" />
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#line-sizing" />
<title>css-flexbox: Tests that we use the aspect ratio to compute the main size</title>
<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />

<style>
.flex {
  display: flex;
  width: 100px;
  min-height: 500px;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: 100%;
  width: 100%;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<div class="flex">
      <img src="support/300x150-green.png">
      <div style="width: 100px; height: 50px; background: green;"></div>
</div>