| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| } |
| |
| .scroller { |
| position: absolute; |
| left: 20px; |
| top: 220px; |
| height: 200px; |
| width: 200px; |
| border: 4px solid gray; |
| padding: 5px; |
| box-sizing: border-box; |
| overflow: scroll; |
| } |
| .content { |
| width: 200%; |
| height: 300%; |
| } |
| |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| var jsTestIsAsync = true; |
| |
| const topContentInset = 55; |
| var scroller; |
| var overflowScrollEventCount = 0; |
| var windowScrollEventCount = 0; |
| |
| async function resetScrollPositions() |
| { |
| window.scrollTo(0, 200); |
| scroller.scrollTop = 0; |
| |
| // Wait for scroll events to fire. |
| await UIHelper.renderingUpdate(); |
| |
| overflowScrollEventCount = 0; |
| windowScrollEventCount = 0; |
| } |
| |
| async function testScrollOutsideTopLeft() |
| { |
| debug(''); |
| debug('Test scroll outside top left corner'); |
| await resetScrollPositions(); |
| await UIHelper.mouseWheelScrollAt(18, topContentInset + 18); |
| |
| shouldBe('overflowScrollEventCount', '0'); |
| shouldBe('windowScrollEventCount > 0', 'true'); |
| } |
| |
| async function testScrollInsideTopLeft() |
| { |
| debug(''); |
| debug('Test scroll inside top left corner'); |
| await resetScrollPositions(); |
| await UIHelper.mouseWheelScrollAt(25, topContentInset + 25); |
| |
| shouldBe('overflowScrollEventCount > 0', 'true'); |
| shouldBe('windowScrollEventCount', '0'); |
| } |
| |
| async function testScrollOutsideBottomRight() |
| { |
| debug(''); |
| debug('Test scroll outside bottom right corner'); |
| await resetScrollPositions(); |
| await UIHelper.mouseWheelScrollAt(220, topContentInset + 220); |
| |
| shouldBe('overflowScrollEventCount', '0'); |
| shouldBe('windowScrollEventCount > 0', 'true'); |
| } |
| |
| async function testScrollInsideBottomRight() |
| { |
| debug(''); |
| debug('Test scroll inside bottom right corner'); |
| await resetScrollPositions(); |
| await UIHelper.mouseWheelScrollAt(198, topContentInset + 198); |
| |
| shouldBe('overflowScrollEventCount > 0', 'true'); |
| shouldBe('windowScrollEventCount', '0'); |
| } |
| |
| async function scrollTest() |
| { |
| await testScrollOutsideTopLeft(); |
| await testScrollInsideTopLeft(); |
| await testScrollOutsideBottomRight(); |
| await testScrollInsideBottomRight(); |
| |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| |
| if (window.internals) |
| internals.setTopContentInset(topContentInset); |
| |
| scroller = document.querySelector('.scroller'); |
| scroller.addEventListener('scroll', () => { |
| ++overflowScrollEventCount; |
| }, false); |
| |
| window.addEventListener('scroll', () => { |
| ++windowScrollEventCount; |
| }, false); |
| |
| setTimeout(scrollTest, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="scroller"> |
| <div class="content"></div> |
| </div> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
