| <!DOCTYPE html> |
| <style> |
| body { |
| width: 800px; |
| height: 800px; |
| overflow-y: hidden; |
| } |
| |
| #text-wrapper { |
| padding: 20px; |
| overflow-y: scroll; |
| background-color:#ccc; |
| height: 40px; |
| width: 100px; |
| } |
| </style> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script type="text/javascript"> |
| var scrollTopBefore; |
| var maxScrollLeft; |
| |
| const testCase = async_test( |
| "If an autoscroll starts from within a " + |
| "scrollable div, it does not propagate to its non-scrollable document " + |
| "body. Furthermore, it tests that if the body has only one of overflowX " + |
| "or overflowY set to hidden, the scrollable axis actually scrolls. Note " + |
| "that this test is pertaining to crbug.com/531525."); |
| |
| const finishTest = testCase.step_func_done(() => { |
| eventSender.mouseUp(); |
| // Because only overflowY:hidden is set, horizontal scroll should happen and |
| // vertical scroll shouldn't. |
| assert_equals(document.scrollingElement.scrollTop, scrollTopBefore); |
| assert_equals(document.scrollingElement.scrollLeft, maxScrollLeft); |
| document.getElementById('text-wrapper').style.display = 'none'; |
| }); |
| |
| window.onload = function () { |
| scrollTopBefore = document.scrollingElement.scrollTop; |
| maxScrollLeft = document.scrollingElement.scrollWidth - window.innerWidth; |
| |
| var element = document.getElementById('select'); |
| var x = element.offsetLeft + 7; |
| var y = element.offsetTop + 7; |
| eventSender.dragMode = false; |
| eventSender.mouseMoveTo(x, y); |
| eventSender.mouseDown(); |
| eventSender.mouseMoveTo(x + 795, y); |
| eventSender.mouseMoveTo(x + 795, y + 795); |
| window.requestAnimationFrame(finishTest); |
| } |
| </script> |
| |
| <div id="text-wrapper"> |
| <span id="select">This text could be anything but should be long enough to be scrollable.</span> |
| </div> |
