| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| } |
| |
| .outer { |
| background: blue; |
| margin-top: 120px; |
| height: 200px; |
| padding: 10px; |
| } |
| |
| .sticky { |
| position: sticky; |
| position: -webkit-sticky; |
| top: 0px; |
| } |
| |
| .inner { |
| padding: 10px; |
| background: orange; |
| top: 10px; |
| height: 80px; |
| } |
| </style> |
| <script src="../../resources/ui-helper.js"></script> |
| <script> |
| async function scrollTest() |
| { |
| const events = [ |
| { |
| type : "wheel", |
| viewX : 20, |
| viewY : 20, |
| deltaY : -10, |
| phase : "began" |
| }, |
| { |
| type : "wheel", |
| deltaY : -1000, |
| phase : "changed" |
| }, |
| { |
| type : "wheel", |
| phase : "ended" |
| }, |
| { |
| type : "wheel", |
| deltaY : -1000, |
| momentumPhase : "began" |
| }, |
| { |
| type : "wheel", |
| deltaY : -1000, |
| momentumPhase : "changed" |
| }, |
| { |
| type : "wheel", |
| momentumPhase : "ended" |
| } |
| ]; |
| |
| await UIHelper.mouseWheelSequence({ events: events }); |
| testRunner.notifyDone(); |
| } |
| |
| function startTest() |
| { |
| if (window.eventSender) { |
| testRunner.waitUntilDone(); |
| setTimeout(scrollTest, 0); |
| } |
| } |
| |
| window.addEventListener('load', startTest, false); |
| </script> |
| </head> |
| <body> |
| <div class="outer sticky"> |
| <div class="inner sticky"></div> |
| </body> |
| </html> |
