| <!DOCTYPE html> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <style> |
| #parent { |
| overflow: scroll; |
| height: 400px; |
| } |
| #testarea { |
| height: 6000px; |
| background: red; |
| } |
| </style> |
| <div id="parent"><div id="testarea"/></div> |
| <br> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| |
| description("Ensure hit test cache works in correct scenarios of overlay scrollbars."); |
| |
| if (window.internals) { |
| internals.runtimeFlags.overlayScrollbarsEnabled = true; |
| |
| var parentDiv = document.getElementById("parent"); |
| var rect = parentDiv.getBoundingClientRect(); |
| |
| // Only MacOSX > 10.6 has overlay scrollbars; so the result will be 1 on other platforms. |
| var expectedCount = internals.setScrollbarVisibilityInScrollableArea(parentDiv, true) ? 0 : 1; |
| internals.elementFromPoint(document, rect.left + rect.width - 2, rect.top + (rect.height/2), false, false); |
| internals.setScrollbarVisibilityInScrollableArea(parentDiv, false); |
| internals.elementFromPoint(document, rect.left + rect.width - 2, rect.top + (rect.height/2), false, false); |
| shouldBe("internals.hitTestCacheHits(document)", "expectedCount"); |
| } |
| </script> |
