<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=591815 --> <head> <title>Test for Bug 591815</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 onload="setTimeout(runTest, 0)"> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=591815">Mozilla Bug 591815</a> <p id="display"></p> <div id="content"> <div id="wrapper"> <!-- 20x20 of red --> <img id="image" ondragstart="fail();" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAIAAAAC64paAAAAG0lEQVR42mP8z0A%2BYKJA76jmUc2jmkc1U0EzACKcASfOgGoMAAAAAElFTkSuQmCC"/> </div> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 591815 **/ SimpleTest.waitForExplicitFinish(); function fail() { ok(false, "drag started but should not have"); } function runTest() { var image = document.getElementById("image"); var wrapper = document.getElementById("wrapper"); var preventDefault = function(event) { event.preventDefault(); }; wrapper.addEventListener('mousedown', preventDefault, false); synthesizeMouse(image, 3, 3, { type: "mousedown"}); synthesizeMouse(image, 53, 53, { type: "mousemove"}); synthesizeMouse(image, 53, 53, { type: "mouseup"}); wrapper.removeEventListener('mousedown', preventDefault, false); var relocateElementAndPreventDefault = function(event) { document.body.appendChild(wrapper); event.preventDefault(); } wrapper.addEventListener('mousedown', relocateElementAndPreventDefault, false); synthesizeMouse(image, 3, 3, { type: "mousedown"}); synthesizeMouse(image, 53, 53, { type: "mousemove"}); synthesizeMouse(image, 53, 53, { type: "mouseup"}); wrapper.removeEventListener('mousedown', relocateElementAndPreventDefault, false); ok(true, "passed the test"); SimpleTest.finish(); } </script> </pre> </body> </html>