testing/web-platform/tests/webmessaging/without-ports/001.html


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<!doctype html>
<title>resolving broken url</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
test(function() {
  assert_throws('SYNTAX_ERR', function() {
    postMessage('', 'http://foo bar');
  }, 'should have failed to resolve');
});
</script>