css/css-text/line-breaking/line-breaking-atomic-nowrap-001.html

<!DOCTYPE html>
<title>CSS Text Test: Check atomic inline+NBSP quirk does not apply if nowrap</title>
<link rel="help" href="https://www.w3.org/TR/css-text-3/#line-break-details">
<link rel="help" href="https://crbug.com/1002442">
<link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
div {
  white-space: nowrap;
  font-size: 10px;
  line-height: 1;
  width: 5ch;
}
.inline-block {
  display: inline-block;
  width: 3ch;
  height: 1em;
}
img {
  width: 3ch;
  height: 1em;
}
</style>
<body>
  <div>000<span class="inline-block"></span>&nbsp;111</div>
  <div>000<img>&nbsp;111</div>
  <div>000&nbsp;<span class="inline-block"></span>111</div>
  <div>000&nbsp;<img>111</div>
<script>
(function () {
  for (let e of document.getElementsByTagName('div')) {
    test(() => {
      let height = e.offsetHeight;
      assert_equals(Math.round(height / 10), 1);
    });
  }
})();
</script>
</body>