<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=424212 --> <head> <title>Test for Bug 424212</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=424212">Mozilla Bug 424212</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 424212 **/ var fired = false; var xhr = new XMLHttpRequest(); xhr.open("GET", window.location.href + "?" + Math.random()); xhr.send(""); xhr.onreadystatechange = function () { fired = true; is(xhr.status, 0, "Unexpected status"); } xhr.abort(); is(fired, true, "No onreadystatechange handling?"); </script> </pre> </body> </html>