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chromium/third_party/blink/web_tests/fast/dom/split-cdata.xml 

<html xmlns="http://www.w3.org/1999/xhtml">
<p>Test passes if it does not crash and it alerts true.</p>
<script><![CDATA[
if (window.testRunner)
    testRunner.dumpAsText();
alert(document.createCDATASection("").splitText(0) instanceof CDATASection);
]]></script>
</html>