| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Test that switching to tiled layers when the parent is a tiled layer does not crash</title> |
| |
| <style type="text/css" media="screen"> |
| |
| #container { |
| width: 500px; |
| height: 5000px; |
| border: 1px solid black; |
| background-color: yellow; |
| -webkit-transform:translateZ(0); |
| } |
| |
| #box { |
| position: absolute; |
| left:50px; |
| width: 200px; |
| height: 200px; |
| -webkit-transform:translateZ(0); |
| top: 100px; |
| background-color: red; |
| } |
| </style> |
| <script type="text/javascript" charset="utf-8"> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| result = ""; |
| |
| function testOnLoad() |
| { |
| window.setTimeout(function() { |
| document.getElementById('box').style.height = "4800px"; |
| |
| // Let it render |
| window.setTimeout(function() { |
| if (window.testRunner) { |
| document.getElementById('layers').innerHTML = window.internals.layerTreeAsText(document); |
| testRunner.notifyDone(); |
| } |
| }, 0); |
| }, 0); |
| } |
| |
| window.addEventListener('load', testOnLoad, false); |
| </script> |
| </head> |
| <body> |
| <p> |
| From https://bugs.webkit.org/show_bug.cgi?id=44629. The parent is a tiled layer. |
| When the child is a non-tiled layer and it is switched to a tiled layer, a crash |
| occurs. This test should not crash. |
| </p> |
| <div id="container"> |
| <div id="box"></div> |
| </div> |
| <pre id="layers">Layer tree appears here in DRT.</pre> |
| </body> |
| </html> |
