css/css-text/white-space/white-space-pre-wrap-justify-004.html

<!doctype html>
<meta charset=utf-8>
<title>CSS Text test: justification with white-space:pre-wrap</title>
<link rel="author" title="Jonathan Kew" href="jkew@mozilla.com">
<link rel="help" href="https://www.w3.org/TR/css-text-3/#text-align-property">
<link rel="match" href="reference/white-space-pre-wrap-justify-004-ref.html">

<style>
div {
  border: 1px solid gray;
  font: 22px monospace;
  width: 22ch;
  margin: 1em;
}
.test {
  white-space: pre-wrap;
  text-align: justify;
}
.ref {
  white-space: normal;
  text-align: justify;
  text-align-last: right;
}
</style>

<p>Test passes if the two blocks are rendered identically</p>

<div dir=rtl class=test>one, two, three,
four, five, six, seven, eight, nine!</div>

<div class=ref>,one, two, three<br>four, five, six, !seven, eight, nine</div>