| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Tests that overlap testing continues to work after a layer converts from shared to composited</title> |
| <style> |
| .trigger { |
| position: absolute; |
| transform: translateZ(0); |
| background-color: silver; |
| width: 20px; |
| height: 400px; |
| } |
| |
| .provider { |
| position: absolute; |
| left: 20px; |
| top: 20px; |
| width: 400px; |
| height: 100px; |
| background-color: gray; |
| } |
| |
| .box { |
| width: 100px; |
| height: 100px; |
| background-color: gray; |
| } |
| |
| .absolute { |
| position: absolute; |
| top: 200px; |
| left: 0px; |
| background-color: lightblue; |
| } |
| |
| .overlapper { |
| position: absolute; |
| top: 70px; |
| left: 150px; |
| width: 200px; |
| height: 100px; |
| padding: 10px; |
| background-color: green; |
| } |
| |
| .stacking { |
| position: relative; |
| z-index: 0; |
| padding: 10px; |
| height: 120px; |
| border: 1px solid black; |
| } |
| |
| .negative { |
| position: relative; |
| z-index: -1; |
| background-color: orange; |
| } |
| |
| .negative.changed { |
| transform: translateZ(0); |
| } |
| |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| window.addEventListener('load', () => { |
| setTimeout(() => { |
| document.querySelector('.negative').classList.add('changed'); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="trigger"></div> |
| <div class="provider"> |
| <div class="absolute box"></div> |
| <div class="stacking box"> |
| <div class="negative box"></div> |
| </div> |
| </div> |
| <div class="overlapper"></div> |
| </body> |
| </html> |
