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| 1 <!DOCTYPE html> |
| 2 <script src="../resources/testharness.js"></script> |
| 3 <script src="../resources/testharnessreport.js"></script> |
| 4 <style> |
| 5 #target { |
| 6 animation-name: a, b; |
| 7 animation-duration: 1e10s; |
| 8 } |
| 9 |
| 10 @keyframes a { |
| 11 from { left: 1px; } |
| 12 to { left: 1px; } |
| 13 } |
| 14 |
| 15 @keyframes b { |
| 16 from { left: 1px; } |
| 17 to { left: 1px; } |
| 18 } |
| 19 </style> |
| 20 <div id="target"></div> |
| 21 <script> |
| 22 var CSSAnimationsStackedNeutralKeyframe = 937; // From UseCounter.h |
| 23 test(function() { |
| 24 getComputedStyle(target).left; // Force style recalc; |
| 25 assert_false(internals.isUseCounted(document, CSSAnimationsStackedNeutralKeyfr
ame)); |
| 26 |
| 27 document.styleSheets[0].rules[2].deleteRule('from'); |
| 28 getComputedStyle(target).left; // Force style recalc; |
| 29 assert_true(internals.isUseCounted(document, CSSAnimationsStackedNeutralKeyfra
me)); |
| 30 }); |
| 31 </script> |
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