chromium/third_party/blink/web_tests/external/wpt/css/css-text/white-space/break-spaces-tab-005.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text level 3 Test: break-space tabs don't hang</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
<link rel="match" href="reference/break-spaces-tab-005-ref.html">
<meta name="assert" content="a sequence of break-spaces tabs at the end of a line does not hang.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
div {
  font: 20px/1 Ahem;
}
#test {
  white-space: break-spaces;
  color: green;
  width: 2ch;
}
#ref {
  white-space: pre;
  width: 2ch;
  background: red;
  color: green;
  position: absolute;
  z-index:-1;
}
</style>

<p>Test passes if there is a green rectangle and no red.
<div id=ref> X<br> X<br>XX<br>XX<br>XX<br>XX<br>  </div>
<div id=test>X<wbr>X&#x09;&#x09;&#x09;&#x09;&#x09;XX</div>