| <html> |
| <head> |
| <style type="text/css" media="screen"> |
| body { |
| overflow: hidden; |
| } |
| |
| iframe { |
| position: absolute; |
| top: 0px; |
| left: 0px; |
| height: 300px; |
| width: 300px; |
| } |
| |
| #overlap { |
| left: 250px; |
| } |
| |
| pre { |
| position: absolute; |
| bottom: 2000px; |
| left: 0px; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| testRunner.dumpAsText(); |
| } |
| |
| function doTest() |
| { |
| // For some reason this delay is required for AppKit to not short-circuit the display which is required |
| // for overlap testing to kick in. |
| window.setTimeout(function() { |
| if (window.testRunner) { |
| testRunner.displayAndTrackRepaints(); |
| document.getElementById('layers').innerHTML = window.internals.layerTreeAsText(document); |
| testRunner.notifyDone(); |
| } |
| }, 0); |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <iframe src="resources/composited-subframe.html"></iframe> |
| <!-- this iframe should become composited because it overlaps the other iframe --> |
| <iframe id="overlap" src="resources/subframe.html"></iframe> |
| |
| <pre id="layers">Layer tree appears here in DRT.</pre> |
| </body> |
| </html> |
