| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Missing properties in middle keyframes</title> |
| <link rel="help" href="https://drafts.csswg.org/css-animations/#keyframes"> |
| <link rel="author" title="Simon Wülker" href="simon.wuelker@arcor.de"> |
| <meta name="assert" content="CSS animation correctly when some keyframes don't declare all properties"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/web-animations/testcommon.js"></script> |
| <style type="text/css" media="screen"> |
| @keyframes move-left { |
| 0% { |
| margin-left: 0px; |
| opacity: 0; |
| } |
| 25% { |
| opacity: 1; |
| } |
| 50% { |
| // We evaluate the state of the animation here |
| } |
| 75% { |
| opacity: 0; |
| } |
| 100% { |
| margin-left: 100px; |
| opacity: 1; |
| } |
| } |
| |
| .box { |
| position: relative; |
| width: 100px; |
| height: 100px; |
| background-color: green; |
| } |
| </style> |
| </head> |
| <body> |
| <div class="box" id="box1"></div> |
| <script> |
| promise_test(async t => { |
| box1.style.animation = "move-left 1s -10s linear 0.5 normal forwards paused"; |
| assert_equals(getComputedStyle(box1).opacity, "0.5"); |
| assert_equals(getComputedStyle(box1).marginLeft, "50px"); |
| }, "Animation interpolates correctly when some keyframes don't declare all values"); |
| </script> |
| </body> |
| </html> |
