| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../../resources/compositor-controls.js"></script> |
| <div id = "div" style="overflow: auto; width: 1400px"> |
| <table style="height:2000px; width: 1800px"> |
| <tbody> |
| <tr style="height: 2000px"> |
| <td id="td" style="width: 600px; height: 2000px"></td> |
| <td id="iframe" style="width: 1200px; height: 2000px"> |
| <iframe style="width: 1000px; height: 2000px" src="resources/middleClickAutoscroll-iframe.html"></iframe> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <script> |
| setAnimationRequiresRaster(); |
| var testIFrame = async_test("Tests that middleClickAutoscroll finds the correct ancestor layoutobject when starting in an iframe, and the latching is correctly implemented.") |
| |
| testIFrame.step(function() { |
| if (!window.eventSender) |
| return; |
| var iframe = document.getElementById("iframe"); |
| var div = document.getElementById("div"); |
| // Start a rightward middle-click-autoscroll in the iframe inside the right |
| // td element. |
| var startx = Math.max(iframe.getBoundingClientRect().left, 10); |
| var starty = Math.max(iframe.getBoundingClientRect().top, 500); |
| var endx = startx + 100; |
| var endy = starty; |
| var pageScrollTop = window.scrollY; |
| eventSender.mouseMoveTo(startx, starty); |
| eventSender.mouseDown(1); |
| eventSender.mouseMoveTo(endx, endy); |
| |
| div.onscroll = function() { |
| assert_not_equals(div.scrollLeft, 0); |
| eventSender.mouseUp(1); |
| testIFrame.done(); |
| }; |
| }); |
| </script> |
