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| 1 <!DOCTYPE html> | |
| 2 <script src="../resources/testharness.js"></script> | |
| 3 <script src="../resources/testharnessreport.js"></script> | |
| 4 | |
| 5 <body> | |
| 6 <div id='e'></div> | |
| 7 </body> | |
| 8 | |
| 9 <script> | |
| 10 var element = document.getElementById('e'); | |
| 11 var keyframes = [{opacity: '1', offset: 0}, {opacity: '0', offset: 1}]; | |
| 12 | |
| 13 test(function() { | |
| 14 var keyframeEffect = new KeyframeEffect(element, keyframes); | |
| 15 assert_equals(keyframeEffect.getComputedTiming().localTime, null); | |
| 16 assert_equals(keyframeEffect.getComputedTiming().currentIteration, null); | |
| 17 }, 'localTime and currentIteration are null when the KeyframeEffect is not assoc
iated with an Animation'); | |
| 18 | |
| 19 test(function() { | |
| 20 var animation = element.animate(keyframes, {fill: 'both', duration: 2000, it
erations: 3}); | |
| 21 var keyframeEffect = animation.effect; | |
| 22 animation.currentTime = -1000; | |
| 23 assert_equals(keyframeEffect.getComputedTiming().localTime, -1000, 'localTim
e'); | |
| 24 assert_equals(keyframeEffect.getComputedTiming().currentIteration, 0); | |
| 25 animation.currentTime = 1000; | |
| 26 assert_equals(keyframeEffect.getComputedTiming().localTime, 1000); | |
| 27 assert_equals(keyframeEffect.getComputedTiming().currentIteration, 0); | |
| 28 animation.currentTime = 5000; | |
| 29 assert_equals(keyframeEffect.getComputedTiming().localTime, 5000); | |
| 30 assert_equals(keyframeEffect.getComputedTiming().currentIteration, 2); | |
| 31 animation.currentTime = 7000; | |
| 32 assert_equals(keyframeEffect.getComputedTiming().localTime, 7000); | |
| 33 assert_equals(keyframeEffect.getComputedTiming().currentIteration, 2); | |
| 34 }, 'TimedItem.localTime and TimedItem.currentIteration return reasonable values
when an keyframeEffect is in effect'); | |
| 35 | |
| 36 test(function() { | |
| 37 var animation = element.animate(keyframes); | |
| 38 var keyframeEffect = animation.effect; | |
| 39 animation.currentTime = -1; | |
| 40 assert_equals(keyframeEffect.getComputedTiming().currentIteration, null); | |
| 41 animation.currentTime = 1; | |
| 42 assert_equals(keyframeEffect.getComputedTiming().currentIteration, null); | |
| 43 }, 'TimedItem.currentIteration is null when keyframeEffect is not in effect'); | |
| 44 | |
| 45 test(function() { | |
| 46 var keyframeEffect = new KeyframeEffect(element, keyframes, 2); | |
| 47 assert_equals(keyframeEffect.getComputedTiming().endTime, 2); | |
| 48 assert_equals(keyframeEffect.getComputedTiming().duration, 2); | |
| 49 assert_equals(keyframeEffect.getComputedTiming().activeDuration, 2); | |
| 50 }, 'TimedItem startTime, endTime, duration, activeDuration are sensible for a si
mple keyframeEffect'); | |
| 51 | |
| 52 test(function() { | |
| 53 var keyframeEffect = new KeyframeEffect(element, keyframes, {duration: 3, iter
ations: 4, delay: 5}); | |
| 54 assert_equals(keyframeEffect.getComputedTiming().endTime, 17); | |
| 55 assert_equals(keyframeEffect.getComputedTiming().duration, 3); | |
| 56 assert_equals(keyframeEffect.getComputedTiming().activeDuration, 12); | |
| 57 }, 'TimedItem startTime, endTime, duration, activeDuration are sensible for keyf
rameEffects with delays and iterations'); | |
| 58 | |
| 59 test(function() { | |
| 60 var keyframeEffect = new KeyframeEffect(element, keyframes, {delay: 1}); | |
| 61 assert_equals(keyframeEffect.getComputedTiming().duration, 0); | |
| 62 }, 'TimedItem duration is calculated when no duration is specified'); | |
| 63 | |
| 64 test(function() { | |
| 65 var timing = new KeyframeEffect(element, keyframes).timing; | |
| 66 for (var attr of ['delay', 'endDelay', 'iterationStart', 'playbackRate']) { | |
| 67 assert_throws(new TypeError, function() { timing[attr] = NaN; }, attr); | |
| 68 assert_throws(new TypeError, function() { timing[attr] = Infinity; }, attr); | |
| 69 } | |
| 70 }, 'Restricted double attributes on the Timing interface throws for non-finite v
alues.'); | |
| 71 | |
| 72 </script> | |
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