chromium/third_party/blink/web_tests/external/wpt/css/css-logical/parsing/block-size-computed.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Logical Properties and Values: getComputedStyle().blockSize</title>
<link rel="help" href="https://drafts.csswg.org/css-logical-1/#dimension-properties">
<meta name="assert" content="block-size computed value is an absolute length.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
<style>
  #parent {
    height: 300px;
  }
  #target {
    width: 0px;
    height: 0px;
    font-size: 40px;
  }
  #child {
    height: 80px;
  }
</style>
</head>
<body>
<div id="parent">
  <div id="target">
    <div id="child">
    </div>
  </div>
</div>
<script>
test_computed_value("block-size", "auto", "80px"); // child height

test_computed_value("block-size", "10px");
test_computed_value("block-size", "20%", "60px");
test_computed_value("block-size", "calc(0.5em + 10px)", "30px");
test_computed_value("block-size", "calc(-0.5em + 10px)", "0px");

test_computed_value("block-size", "min-content", "80px"); // child height
test_computed_value("block-size", "max-content", "80px");
</script>
</body>
</html>