<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=704423 --> <head> <title>Test for Bug 704423</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="application/javascript" src="/tests/SimpleTest/EventUtils.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=704423">Mozilla Bug 704423</a> <p id="display"></p> <pre id="test"> <script type="application/javascript"> /** Test for Bug 704423 **/ function doTest() { function handler(aEvent) { aEvent.preventDefault(); ok(aEvent.defaultPrevented, "mousemove event should be cancelable"); } window.addEventListener("mousemove", handler, true); synthesizeMouseAtCenter(document.body, { type: "mousemove" }); window.removeEventListener("mousemove", handler, true); SimpleTest.finish(); } SimpleTest.waitForExplicitFinish(); SimpleTest.waitForFocus(doTest); </script> </pre> </body> </html>