chromium/src/third_party/blink/web_tests/fast/dom/Element/classlist-empty-string.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <html>
 <script src="../../../resources/js-test.js"></script>
 <script>
 debug("Check the classlist length attribute for empty strings");
 var div = document.createElement('div');
 div.className = '   ';
 shouldBe("div.className.length", "3");

 div.className = '     ';
 shouldBe("div.className.length", "5");
 </script>
 </html>
	<!DOCTYPE html>
	<html>
	<script src="../../../resources/js-test.js"></script>
	<script>
	debug("Check the classlist length attribute for empty strings");
	var div = document.createElement('div');
	div.className = ' ';
	shouldBe("div.className.length", "3");

	div.className = ' ';
	shouldBe("div.className.length", "5");
	</script>
	</html>