| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <title>Tests that an element with an animation whose keyframes affect stacking context creates stacking context throughout the animation.</title> |
| <style> |
| .box { |
| position: absolute; |
| top: 0; |
| left: 0; |
| height: 100px; |
| width: 100px; |
| } |
| |
| #animating { |
| animation: move 2s 1; |
| background-color: orange; |
| } |
| |
| @keyframes move { |
| from { z-index: 1; } |
| 10% { z-index: auto; } |
| 90% { z-index: auto; } |
| to { z-index: 2; } |
| } |
| |
| .behind { |
| background-color: blue; |
| top: 25px; |
| left: 50px; |
| z-index: 1; |
| } |
| |
| .front { |
| top: 50px; |
| left: 25px; |
| background-color: green; |
| z-index: 2; |
| } |
| |
| #result { |
| opacity: 0; |
| } |
| </style> |
| <script src="resources/animation-test-helpers.js" type="text/javascript"></script> |
| <script type="text/javascript"> |
| const expectedValues = [ |
| // [animation-name, time, element-id, property, expected-value, tolerance] |
| ["move", 0.5, "animating", "z-index", "auto", 0], |
| ]; |
| |
| var doPixelTest = true; |
| var disablePauseAPI = false; |
| runAnimationTest(expectedValues, null, undefined, disablePauseAPI, doPixelTest); |
| </script> |
| </head> |
| <body> |
| |
| <div class="behind box"></div> |
| <div id="animating" class="box"> |
| <div class="front box"></div> |
| </div> |
| <div id="result"></div> |
| </body> |
| </html> |
