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| 1 <!DOCTYPE html> | |
| 2 <title>Test of animation-direction</title> | |
| 3 <script src="../resources/testharness.js"></script> | |
| 4 <script src="../resources/testharnessreport.js"></script> | |
| 5 <style> | |
| 6 #target { | |
| 7 animation-direction: alternate-reverse; | |
| 8 animation-duration: 2s; | |
| 9 animation-iteration-count: 2; | |
| 10 animation-name: move; | |
| 11 animation-play-state: paused; | |
| 12 animation-timing-function: linear; | |
| 13 animation-fill-mode: both; | |
| 14 | |
| 15 | |
| 16 background-color: red; | |
| 17 height: 100px; | |
| 18 left: 500px; | |
| 19 position: absolute; | |
| 20 width: 100px; | |
| 21 } | |
| 22 @keyframes move { | |
| 23 from { left: 0px; } | |
| 24 to { left: 400px; } | |
| 25 } | |
| 26 | |
| 27 </style> | |
| 28 <div id="target"></div> | |
| 29 <script> | |
| 30 'use strict'; | |
| 31 test(function() { | |
| 32 target.style.animationDelay = '1s'; | |
| 33 assert_equals(getComputedStyle(target).left, '400px'); | |
| 34 | |
| 35 target.style.animationDelay = '-0.5s'; | |
| 36 assert_equals(getComputedStyle(target).left, '300px'); | |
| 37 | |
| 38 target.style.animationDelay = '-1s'; | |
| 39 assert_equals(getComputedStyle(target).left, '200px'); | |
| 40 | |
| 41 target.style.animationDelay = '-2s'; | |
| 42 assert_equals(getComputedStyle(target).left, '0px'); | |
| 43 | |
| 44 target.style.animationDelay = '-2.5s'; | |
| 45 assert_equals(getComputedStyle(target).left, '100px'); | |
| 46 | |
| 47 target.style.animationDelay = '-3s'; | |
| 48 assert_equals(getComputedStyle(target).left, '200px'); | |
| 49 | |
| 50 target.style.animationDelay = '-4s'; | |
| 51 assert_equals(getComputedStyle(target).left, '400px'); | |
| 52 | |
| 53 target.style.animationDelay = '-5s'; | |
| 54 assert_equals(getComputedStyle(target).left, '400px'); | |
| 55 }, "animation-direction alternate-reverse plays backwards, then forwards"); | |
| 56 </script> | |
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