| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <style> |
| 5 #scroll { |
| 6 width: 100px; |
| 7 height: 100px; |
| 8 overflow:scroll; |
| 9 } |
| 10 |
| 11 #content { |
| 12 width: 10000px; |
| 13 height: 10000px; |
| 14 background-color: blue; |
| 15 } |
| 16 </style> |
| 17 <script src="../../resources/testharness.js"></script> |
| 18 <script src="../../resources/testharnessreport.js"></script> |
| 19 <script> |
| 20 if (window.internals) { |
| 21 window.internals.settings.setScrollAnimatorEnabled(true); |
| 22 } |
| 23 |
| 24 setup({explicit_done:true}); |
| 25 </script> |
| 26 </head> |
| 27 <body> |
| 28 <div id="scroll"> |
| 29 <div id="content"></div> |
| 30 </div> |
| 31 <script> |
| 32 /** |
| 33 * This test is to make sure smooth scrolling is turned on sub frame |
| 34 * scrollbars. |
| 35 * Actually animation and calculation is tested by unittest. This only |
| 36 * test that non main frame scrollbars can scroll and they are not just |
| 37 * snapping to the correct position when smooth scrolling is on. |
| 38 */ |
| 39 |
| 40 function testing() { |
| 41 var div = document.getElementById("scroll"); |
| 42 // Generate what end position should be if there is no smooth scrolling. |
| 43 var endPosition = (function() { |
| 44 if (window.internals) { |
| 45 window.internals.settings.setScrollAnimatorEnabled(false); |
| 46 } |
| 47 div.scrollByPages(10); |
| 48 |
| 49 if (window.internals) { |
| 50 window.internals.settings.setScrollAnimatorEnabled(true); |
| 51 } |
| 52 return div.scrollTop; |
| 53 }) (); |
| 54 |
| 55 // Test that div is scrollable and reset scrollTop to 0. |
| 56 test(function() {div.scrollTop = 0; assert_equals(div.scrollTop, 0)}, "R
eset scrollable area to starting point."); |
| 57 |
| 58 var smoothScrollTest = async_test("Smooth scrolling is on for non mainfr
ame scrollbars."); |
| 59 // Test that checks scrollTop is between start and end. |
| 60 var testFunc = smoothScrollTest.step_func(function() { |
| 61 var cur = div.scrollTop; |
| 62 assert_greater_than(cur, 0, "Scrolling has started."); |
| 63 assert_less_than(cur, endPosition, "Scrolling hasn't ended."); |
| 64 smoothScrollTest.done(); |
| 65 done(); |
| 66 }); |
| 67 // In the middle of scroll animation, scrollTop should be between start
and end position. |
| 68 div.onscroll = window.setTimeout(testFunc, 200); |
| 69 |
| 70 div.scrollByPages(10); |
| 71 |
| 72 // If there is no smooth scrolling, test times out. Explicitly ends test
so it would show up as fail. |
| 73 window.setTimeout(function() { |
| 74 smoothScrollTest.done(); |
| 75 done(); |
| 76 }, 1000); |
| 77 } |
| 78 |
| 79 window.addEventListener('load', testing, false); |
| 80 </script> |
| 81 </body> |
| 82 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 214953004:
Enable Scroll Animation for RenderLayerScrollableArea (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master