| <!DOCTYPE html> |
| <script src="../../../resources/gesture-util.js"></script> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| |
| <style type="text/css"> |
| body { |
| height: 2000px; |
| width: 2000px; |
| } |
| </style> |
| |
| <script> |
| async function reset() { |
| document.scrollingElement.scrollTop = 0; |
| document.scrollingElement.scrollLeft = 0; |
| await waitForCompositorCommit(); |
| } |
| |
| var position = {x: 20, y: 20}; |
| promise_test(async () => { |
| await reset(); |
| await wheelTick(0, 1, position); |
| await waitForAnimationEndTimeBased( () => { |
| return document.scrollingElement.scrollTop; |
| }); |
| assert_equals(document.scrollingElement.scrollLeft, 0); |
| assert_equals(document.scrollingElement.scrollTop, pixelsPerTick()); |
| }, "One vertical wheel tick scrolls the right number of pixels in high dpi mode."); |
| |
| promise_test(async () => { |
| await reset(); |
| await wheelTick(1, 0, position); |
| await waitForAnimationEndTimeBased( () => { |
| return document.scrollingElement.scrollLeft; |
| }); |
| assert_equals(document.scrollingElement.scrollLeft, pixelsPerTick()); |
| assert_equals(document.scrollingElement.scrollTop, 0); |
| }, "One horizontal wheel tick scrolls the right number of pixels in high dpi mode."); |
| |
| promise_test(async () => { |
| await reset(); |
| await wheelTick(0, 2, position); |
| await waitForAnimationEndTimeBased( () => { |
| return document.scrollingElement.scrollTop; |
| }); |
| assert_equals(document.scrollingElement.scrollLeft, 0); |
| assert_equals(document.scrollingElement.scrollTop, 2 * pixelsPerTick()); |
| }, "Two vertical wheel ticks scroll the right number of pixels in high dpi mode."); |
| |
| promise_test(async () => { |
| await reset(); |
| await wheelTick(2, 0, position); |
| await waitForAnimationEndTimeBased( () => { |
| return document.scrollingElement.scrollLeft; |
| }); |
| assert_equals(document.scrollingElement.scrollLeft, 2 * pixelsPerTick()); |
| assert_equals(document.scrollingElement.scrollTop, 0); |
| }, "Two horizontal wheel ticks scroll the right number of pixels in high dpi mode."); |
| </script> |
