chromium/third_party/blink/web_tests/external/wpt/workers/WorkerGlobalScope_ErrorEvent_filename.htm

<!DOCTYPE html>
<title> WorkerGlobalScope onerror event handler argument: location </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
// The worker events races with the window's load event; if the worker events
// arrive first, the harness will detect the error event and fail the test.
setup({ allow_uncaught_exception: true });

async_test(function(t) {
  var worker = new Worker('./support/ErrorEvent.js');
  worker.onmessage = t.step_func_done(function(e) {
    var href = location.href;
    var expected = href.substring(0, href.lastIndexOf('/')) + '/support/ErrorEvent.js';
    assert_equals(e.data.filename, expected);
  });
  worker.postMessage("Error Message");
});
</script>