chromium/third_party/blink/web_tests/http/tests/xmlhttprequest/readystatechange-expected.txt

ALERT: onreadystatechange called
ALERT: evt.constructor = function Event() { [native code] }
ALERT: readystatechange listener called
Tests for bug 15102 - XMLHttpRequest should dispatch readystatechange event.

If this passes you should see alerts for onreadystatechange and for a readystatechange listener.