| OLD | NEW |
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| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <script src="../../../../../resources/js-test.js"></script> | 2 <script src="../../../../../resources/js-test.js"></script> |
| 3 <style> | 3 <style> |
| 4 body { | 4 body { |
| 5 width: 2000px; | 5 width: 2000px; |
| 6 height: 2000px; | 6 height: 2000px; |
| 7 } | 7 } |
| 8 </style> | 8 </style> |
| 9 | 9 |
| 10 <script> | 10 <script> |
| 11 var jsTestIsAsync = true; | 11 var jsTestIsAsync = true; |
| 12 | 12 |
| 13 description("This test verifies that smooth scrolls initiated on the main " + | 13 description("This test verifies that smooth scrolls initiated on the main " + |
| 14 "thread add the appropriate main thread scrolling reason."); | 14 "thread add the appropriate main thread scrolling reason."); |
| 15 | 15 |
| 16 // From ScrollingCoordinator::mainThreadScrollingReasonsAsText. | 16 // From ScrollingCoordinator::mainThreadScrollingReasonsAsText. |
| 17 var ANIMATING_TEXT = "Handling scroll from main thread"; | 17 var ANIMATING_TEXT = "Handling scroll from main thread"; |
| 18 var IDLE = "Idle"; |
| 18 var RUNNING_ON_COMPOSITOR = "RunningOnCompositor"; | 19 var RUNNING_ON_COMPOSITOR = "RunningOnCompositor"; |
| 19 | 20 |
| 20 function finishTest() { | 21 function finishTest() { |
| 21 requestAnimationFrame(function() { | 22 requestAnimationFrame(function() { |
| 23 shouldBe("document.scrollingElement.scrollTop", "40"); |
| 22 // Check that main thread scrolling reason is removed. | 24 // Check that main thread scrolling reason is removed. |
| 23 shouldBeTrue("internals.mainThreadScrollingReasons(document) == ''"); | 25 shouldBeTrue("internals.mainThreadScrollingReasons(document) == ''"); |
| 24 finishJSTest(); | 26 finishJSTest(); |
| 25 }); | 27 }); |
| 26 } | 28 } |
| 27 | 29 |
| 28 function runTest() { | 30 function runTest() { |
| 29 if (document.scrollingElement.scrollTop == 0) { | 31 if (document.scrollingElement.scrollTop == 0) { |
| 30 requestAnimationFrame(runTest); | 32 requestAnimationFrame(runTest); |
| 31 } else { | 33 } else { |
| 32 // Check that initiated by main thread and running on the compositor. | 34 // Check that initiated by main thread and running on the compositor. |
| 33 shouldBe("internals.getScrollAnimationState(document)", | 35 shouldBe("internals.getScrollAnimationState(document)", |
| 34 "RUNNING_ON_COMPOSITOR"); | 36 "RUNNING_ON_COMPOSITOR"); |
| 35 // Check that main thread scrolling reason is added. | 37 // Check that main thread scrolling reason is added. |
| 36 shouldBe("internals.mainThreadScrollingReasons(document)", | 38 shouldBe("internals.mainThreadScrollingReasons(document)", |
| 37 "ANIMATING_TEXT"); | 39 "ANIMATING_TEXT"); |
| 38 shouldBecomeEqual("document.scrollingElement.scrollTop == 40", | 40 // Wait for scroll animation to complete. |
| 39 "true", finishTest); | 41 shouldBecomeEqual("internals.getScrollAnimationState(document)", |
| 42 "IDLE", finishTest); |
| 40 } | 43 } |
| 41 } | 44 } |
| 42 | 45 |
| 43 onload = function() { | 46 onload = function() { |
| 44 if (!window.eventSender || !window.internals) { | 47 if (!window.eventSender || !window.internals) { |
| 45 debug("This test requires window.eventSender.") | 48 debug("This test requires window.eventSender.") |
| 46 finishJSTest(); | 49 finishJSTest(); |
| 47 return; | 50 return; |
| 48 } | 51 } |
| 49 internals.settings.setScrollAnimatorEnabled(true); | 52 internals.settings.setScrollAnimatorEnabled(true); |
| 50 | 53 |
| 51 document.scrollingElement.scrollTop = 0; | 54 document.scrollingElement.scrollTop = 0; |
| 52 | 55 |
| 53 // Scroll 1 ticks down. | 56 // Scroll 1 ticks down. |
| 54 eventSender.mouseMoveTo(20, 20); | 57 eventSender.mouseMoveTo(20, 20); |
| 55 eventSender.mouseScrollBy(0, -1); | 58 eventSender.mouseScrollBy(0, -1); |
| 56 runTest(); | 59 runTest(); |
| 57 }; | 60 }; |
| 58 | 61 |
| 59 </script> | 62 </script> |
| OLD | NEW |
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Chromium Code Reviews
Issue 2511473003:
Round the scroll offset synced back to main instead of flooring. (Closed)
