<html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=470212 --> <head> <title>Test for Bug 470212 - crash [@ nsContentUtils::ComparePoints]</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=470212">Mozilla Bug 470212</a> <div style="width: 200px;"> <ca> <canvas style="border: 1px solid black;" id="dragSource"></canvas> </ca> </div> <pre id="test"> <script> function doShiftDrag(){ setTimeout(function() { var wu = SpecialPowers.DOMWindowUtils; var canvas = document.getElementById("dragSource"); var canvasRect = canvas.getBoundingClientRect(); // Drag canvas element starts with a mouse down event, combine with shift // key, follows by two mouse move events. // Press on left-top corner of the canvas element. wu.sendMouseEvent('mousedown', canvasRect.left, canvasRect.top, 0, 1, 4); // Move to the center of this cavas element. wu.sendMouseEvent('mousemove', canvasRect.left + (canvasRect.width / 2), canvasRect.top + (canvasRect.height / 2), 0, 0, 4); // move out of cavas's region. wu.sendMouseEvent('mousemove', canvasRect.left + (canvasRect.width / 2), canvasRect.bottom + 10, 0, 0, 4); is(window.getSelection().rangeCount, 0, "rangeCount should be 0"); wu.sendMouseEvent('mouseup', canvasRect.left + (canvasRect.width / 2), canvasRect.bottom + 10, 0, 0, 4); SimpleTest.finish(); }, 0); } SimpleTest.waitForExplicitFinish(); addLoadEvent(doShiftDrag); </script> </pre> </body> </html>