| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| margin: 0; |
| } |
| |
| .animated { |
| -webkit-animation: test 1s; |
| } |
| |
| @-webkit-keyframes test { |
| from { |
| padding: 0; |
| } |
| to { |
| padding: 0; |
| } |
| } |
| </style> |
| </head> |
| <body> |
| <ul><li>Test</li></ul> |
| </body> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| if (window.internals) { |
| document.body.offsetHeight; |
| let layoutCountBefore = internals.layoutCount; |
| // This should not trigger layout. |
| document.body.classList.add('animated'); |
| document.body.offsetHeight; |
| let layoutCountAfter = internals.layoutCount; |
| |
| let pre = document.createElement('pre'); |
| document.body.appendChild(pre); |
| pre.innerHTML = "Number of layouts triggered: " + (layoutCountAfter - layoutCountBefore); |
| } |
| </script> |
| </html> |