chromium/third_party/blink/web_tests/external/wpt/css/css-contain/contain-size-013.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Containment Test: Size containment replaced elements intrinsic size</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name=assert content="This test checks that intrinsic size of replaced elements with 'contain: size' is zero.">
<style>
img {
  background: green;
  padding: 50px;
  contain: size;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<img src="/css/support/60x60-red.png" alt="Image download support must be enabled" />