| <!DOCTYPE html> |
| <html> |
| <head> |
| <style type="text/css" media="screen"> |
| .red { |
| background-color: red; |
| } |
| |
| .green { |
| background-color: green; |
| } |
| |
| div { |
| height: 100px; |
| width: 100px; |
| } |
| |
| .composited { |
| -webkit-transform: translateZ(0); |
| } |
| </style> |
| </head> |
| <body> |
| <!-- In the pixel results, one green squares should be visible. --> |
| <div class="red"> |
| <div id="target" class="red composited"> |
| </div> |
| </div> |
| <p> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(true); // This is only useful as a pixel test. |
| testRunner.display(); |
| testRunner.loseCompositorContext(100); // Make it lose the context over and over again. |
| |
| // Force display many times so that the compositor gives up on GPU acceleration |
| // The number of times to try should be at least as many as the |
| // m_numFailedRecreateAttempts in CCSingleThreadProxy. |
| for (var i = 0; i < 10; ++i) |
| testRunner.display(); |
| } |
| var target = document.getElementById("target"); |
| target.classList.remove("red"); |
| target.classList.add("green"); |
| </script> |
| </body> |
| </html> |
