chromium/third_party/blink/web_tests/fast/dom/HTMLDocument/writeln-multiple-calls.html

<html>
<head>
<script>
function test() {
	if (window.testRunner) {
		testRunner.dumpAsText();
	}

	document.writeln("<pre>");
	document.writeln("line 1");
	document.writeln("line 2");
	document.writeln("</pre>");
}
</script>
</head>
<body>
<p>Tests: calling HTMLDocument::writeln</p>
<p>Condition(s): multiple calls</p>
<p>
Success message: 
<pre>
line 1
line 2
</pre>
</p>
<p>Failure message: 
<pre>
line 1line 2
</pre>
</p>
<hr>
</body>
<script>test()</script>
</html>