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chromium/third_party/blink/web_tests/external/wpt/webmessaging/without-ports/024.html 

<!doctype html>
<title>Object cloning: throw an exception if function values encountered</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
test(function() {
  var obj = { f : function(){}};
  var ch = new MessageChannel();
  ch.port1.onmessage = function(){};
  ch.port2.start();
  assert_throws_dom('DATA_CLONE_ERR', function() { ch.port2.postMessage({obj: obj}); });
});
</script>