https://github.com/web-platform-tests/wpt
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Tip revision: 5eadadabcab4e5c980c30b40049832c9e5d2af4e authored by pyup-bot on 06 April 2018, 13:10:11 UTC
Update mozrunner from 6.14 to 6.15
Tip revision: 5eadada
postMessage_clone_port_error.htm
<!DOCTYPE html>
<title> postMessage(): cloning source port </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
test(function() {
  var channel = new MessageChannel();
  channel.port1.start();
  assert_throws("DataCloneError", function() {
    channel.port1.postMessage("ports", [channel.port1]);
  });
});
</script>
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