chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/whitespace-in-flexitem-001.html

<!DOCTYPE html>
<html>
<title>CSS Test: Whitespace-only nodes in Flexboxes</title>
<link href="support/flexbox.css" rel="stylesheet">
<link rel="author" title="Google Inc." href="http://www.google.com/">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-items">
<link rel="match" href="whitespace-in-flexitem-001-ref.html">
<meta name="assert" content="Whitespace-only nodes in a flexbox should not
be rendered and not influence justify-content, even in the presence of
white-space: pre">
<style>
  .flexbox { white-space: pre; }
  .a {
    flex: none;
    width: 30px;
    background: salmon;
  }
</style>
<body>
  <div class="flexbox justify-content-space-around">
    <div class="a"></div> &#9;
  </div>

  <div class="flexbox">
    <b>foo</b> <b>bar</b>
  </div>