testing/web-platform/tests/webmessaging/with-ports/025.html


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<!doctype html>
<title>1 as ports</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
test(function() {
   assert_throws(new TypeError(), function() {
      postMessage('', '*', 1);
   });
});
</script>