chromium/third_party/blink/web_tests/external/wpt/css/css-sizing/contain-intrinsic-size/contain-intrinsic-size-021.html

<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: flex row, flex height based on children</title>
<link rel="author" title="Vladimir Levin" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#intrinsic-size-override">
<link rel="match" href="contain-intrinsic-size-021-ref.html">
<meta name="assert" content="flex container is sized by the largest intrinsic-height of content, even with align-self: stretch">

<style>
#flex {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  width: 250px;
}
.item {
  border: 1px solid black;
}
#one {
  background: lightblue;
  contain-intrinsic-size: 55px 21px;
  contain: size;
}
#two {
  background: lightgreen;
  contain-intrinsic-size: 66px 42px;
  contain: size;
}
#three {
  background: lightgrey;
  align-self: stretch;
  contain-intrinsic-size: 77px 63px;
  contain: size;
}
</style>

<div id=flex>
  <div class=item id=one></div>
  <div class=item id=two></div>
  <div class=item id=three></div>
</div>