<!--
// prevent recursion
if ('beenThere' in self) {
  throw 'undefined stringified to the empty string';
}
beenThere = true;
try {
  importScripts(undefined);
  postMessage(got);
} catch(ex) {
  postMessage(String(ex));
}
/*
-->
<!doctype html>
<title>importScripts(undefined)</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
async_test(function() {
  var worker = new Worker('#');
  worker.onmessage = this.step_func(function(e) {
    assert_equals(e.data, 'undefined');
    this.done();
  })
  worker.onerror = this.step_func(function(e) {
    assert_unreached(e.message);
  });
});
</script>
<!--
*/
//-->