| <html> |
| <head> |
| <style> |
| #scrolly { |
| height: 400px; |
| width: 200px; |
| border: 1px solid blue; |
| |
| overflow-x: hidden; |
| overflow-y: auto; |
| } |
| |
| #content { |
| height: 2000px; |
| } |
| </style> |
| |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../../resources/ui-helper.js"></script> |
| <script> |
| |
| var deltaOfZero = false; |
| |
| function checkForZero() |
| { |
| if (deltaOfZero) |
| testFailed("Wheel events with zero delta were sent to the DOM. "); |
| else |
| testPassed("Wheel events with delta of zero were not sent to the DOM."); |
| |
| testRunner.notifyDone(); |
| } |
| |
| function didScroll(event) |
| { |
| if (event.wheelDeltaX == 0 && event.wheelDeltaY == 0) |
| deltaOfZero = true; |
| } |
| |
| async function scrollTest() |
| { |
| const startPosX = 100; |
| const startPosY = 100; |
| |
| const events = [ |
| { |
| type : "wheel", |
| viewX : startPosX, |
| viewY : startPosY, |
| deltaY : -10, |
| phase : "began" |
| }, |
| { |
| type : "wheel", |
| deltaY : -10, |
| phase : "changed" |
| }, |
| { |
| type : "wheel", |
| deltaY : -10, |
| phase : "changed" |
| }, |
| { |
| type : "wheel", |
| phase : "ended" |
| }, |
| { |
| type : "wheel", |
| deltaY : -10, |
| momentumPhase : "began" |
| }, |
| { |
| type : "wheel", |
| deltaY : -10, |
| momentumPhase : "changed" |
| }, |
| { |
| type : "wheel", |
| momentumPhase : "ended" |
| } |
| ]; |
| |
| await UIHelper.mouseWheelSequence({ events: events }); |
| checkForZero(); |
| } |
| |
| function setUp() |
| { |
| var scrolly = document.getElementById("scrolly"); |
| scrolly.addEventListener("mousewheel", didScroll); |
| |
| if (window.eventSender) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| setTimeout(scrollTest, 0); |
| } |
| } |
| </script> |
| </head> |
| |
| <body onload="setUp();"> |
| |
| <div id="scrolly"> |
| <div id="content"></div> |
| </div> |
| </body> |
| </html> |
| |
