| <!DOCTYPE html> |
| <script src="../../resources/js-test.js"></script> |
| |
| <style> |
| iframe { |
| height: 100px; |
| width: 100px; |
| } |
| </style> |
| |
| <script> |
| description('This test makes sure hiding and showing a scrollable iframe ' + |
| 'correctly updates the set of non-fast scrollable rects.'); |
| |
| onload = function() { |
| if (window.internals) { |
| var frame = document.getElementById('scrollable-iframe'); |
| document.body.offsetTop; // Force layout |
| shouldBe('internals.nonFastScrollableRects(document).length', '1'); |
| frame.style.display = 'none'; |
| document.body.offsetTop; // Force layout |
| shouldBe('internals.nonFastScrollableRects(document).length', '0'); |
| frame.style.display = ''; |
| document.body.offsetTop; // Force layout |
| shouldBe('internals.nonFastScrollableRects(document).length', '1'); |
| } |
| } |
| </script> |
| |
| <iframe id="scrollable-iframe" src="resources/subframe.html"></iframe> |
