<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<link rel=help href="https://issues.chromium.org/issues/327273585">
<link rel=help href="https://issues.chromium.org/issues/41101979">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<script>
function runTest(xmlString, testName) {
  test(() => {
    const xmlDoc = (new DOMParser()).parseFromString(xmlString, 'text/xml');
    const result = (new XMLSerializer()).serializeToString(xmlDoc);
    assert_equals(result, xmlString);
  }, `DOMParser and XMLSerializer should round trip with CDATA sections: ${testName}`);
}

runTest(
  `<root><![CDATA[
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
12345678901234567890123456789012345678901234567890123456789012345678901234567890
]]></root>`,
  'large CDATA');

runTest(
  '<root><htmlDefn><![CDATA[<div><![CDATA[  Just Rubbish Data $#$^#^$ ]]]]><![CDATA[></div><div></div>]]></htmlDefn></root>',
  'multiple CDATAs');
</script>