| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../../resources/gesture-util.js"></script> |
| |
| <style> |
| #container { |
| width:500px; |
| height:100px; |
| overflow:auto; |
| border:2px solid red; |
| padding:0px; |
| } |
| #spacer { |
| height:200px; |
| } |
| </style> |
| |
| <ol> |
| <li>Middle-click inside the <div> with the red border below to activate autoscroll.</li> |
| <li>First, move the mouse such that you scroll the <div> in unavailable scroll direction and then in scrollable direction.</li> |
| <li>If bug repros, it won't scroll in available direction.</li> |
| </ol> |
| <div id="container"> |
| <div id="spacer"></div> |
| </div> |
| |
| <script> |
| |
| window.onload = async function() |
| { |
| const container = document.getElementById("container"); |
| const leftButton = 0; |
| const middleButton = 1; |
| |
| promise_test (async (t) => { |
| await waitForCompositorCommit(); |
| await mouseClickOn(container.offsetLeft + 10, container.offsetTop + 10, middleButton); |
| //Move mouse in unavailable direction first. |
| await mouseMoveTo(container.offsetLeft + (container.offsetWidth/2), container.offsetTop + 10); |
| //Move mouse in available direction to scroll the content. |
| await mouseMoveTo(container.offsetLeft + (container.offsetWidth/2), container.offsetTop + container.offsetHeight); |
| |
| await waitFor(() => { |
| return container.scrollTop === container.scrollHeight - container.clientHeight; |
| }, "Failed to scroll container with middle-click autoscroll."); |
| }, "Container scrolled in available direction."); |
| } |
| </script> |
