css/css-text/white-space/break-spaces-with-ideographic-space-008.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text Test: white-space: break-spaces</title>
<link rel="author" title="Javier Fernandez" href="mailto:jfernandez@igalia.com" />
<link rel="help" title="3. White Space and Wrapping: the white-space property" href="https://www.w3.org/TR/css-text-3/#white-space-property">
<link rel="help" title="5.2. Breaking Rules for Letters: the word-break property" href="https://drafts.csswg.org/css-text-3/#word-break-property">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-break-spaces">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-word-break-break-all">
<link rel="match" href="reference/white-space-break-spaces-005-ref.html">
<meta name="flags" content="ahem">
<meta name="assert" content="Ideographic spaces can be wrapped, honoring the 'white-space: break-spaces', which may lead to overflow. However, we can break before the las letter in the word honoring the 'break-all' value.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
div {
  font: 25px/1 Ahem;
}
.fail {
  position: absolute;
  color: red;
  z-index: -1;
}
span { color: green; }
.test {
  color: green;
  width: 4ch;

  white-space: break-spaces;
  word-break: break-all;
}
</style>
<body>
  <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
  <div class="fail">XXX<span>X</span><br>X<span>X</span>XX<br><span>XXXX</span><br><span>XXXX</span></div>
  <div class="test">XXXX&#x3000;XX</div>
</body>