| <!DOCTYPE html> |
| <head> |
| <title>Performance Paint Timing Test: FCP due to 3d revealing of descendants</title> |
| <style> |
| #main { |
| width: 100px; |
| height: 100px; |
| left: 0px; |
| position: relative; |
| top: 0; |
| transform: rotateX(45deg); |
| transform-style: preserve-3d; |
| } |
| |
| /* |
| This tests that given multiplication effect of 3d transforms on bounding rect, |
| An element counts as contentful/paintable only when its bounding rect is truly non-empty */ |
| #child { |
| transform: rotateX(45deg); |
| } |
| |
| /* contentful class is defined in test_fcp script. */ |
| #main.contentful { |
| transform: none; |
| } |
| </style> |
| </head> |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../resources/utils.js"></script> |
| <div id="main"> |
| <div id="child">Text</div> |
| </div> |
| <script> |
| test_fcp("First contentful paint fires due to its ancestor getting rotating into view."); |
| </script> |
| </body> |
| </html> |