| <!DOCTYPE html> |
| <body> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <style> |
| .container { |
| width: 200px; |
| height: 200px; |
| overflow: auto; |
| border: 1px solid blue; |
| } |
| |
| .content { |
| background: lime; |
| } |
| |
| input { |
| display: block; |
| } |
| </style> |
| <div class="container"> |
| <div class="content"> |
| </div> |
| </div> |
| <script> |
| test(function() { |
| var content = document.querySelector('.content'); |
| function refresh() { |
| while (content.firstChild) |
| content.removeChild(content.firstChild); |
| for (var i = 0; i < 100; ++i) { |
| var input = document.createElement('input'); |
| input.type = 'checkbox'; |
| content.appendChild(input); |
| } |
| } |
| refresh(); |
| // focus() scrolls the |content|. |
| content.lastChild.focus(); |
| content.offsetTop; |
| var scrollTopBeforeRefresh = document.querySelector('.container').scrollTop; |
| assert_not_equals(scrollTopBeforeRefresh, 0); |
| |
| refresh(); |
| content.offsetTop; |
| assert_equals(scrollTopBeforeRefresh, document.querySelector('.container').scrollTop); |
| }, "Removing focus should not force to lay out."); |
| </script> |
| </body> |
