<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=814576 --> <head> <meta charset="utf-8"> <title>Test for Bug 814576</title> <script type="application/javascript" 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=814576">Mozilla Bug 814576</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 814576 **/ var xhr = new XMLHttpRequest(); xhr.open("GET", ""); xhr.send(); var called = false; // Add an event listener that only listens for trusted events xhr.addEventListener("abort", function() { called = true; }, false, false); // Check that synthetic events don't trigger the listener var ev = document.createEvent("Events"); ev.initEvent("abort", false, false); xhr.dispatchEvent(ev); is(called, false, "Should not call listener for untrusted events"); // And now make sure we get our abort xhr.abort(); is(called, true, "Should call listener when we abort"); </script> </pre> </body> </html>