third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/keyframe-handling.html - Issue 1866333004: Import web-platform-tests@5a8700479d98852455bee6117558897867eb278a

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Issue 1866333004: Import web-platform-tests@5a8700479d98852455bee6117558897867eb278a (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@wpt-sync

Patch Set: Add Failure option for two TestExpectations entries Created 4 years, 8 months ago

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	1 <!DOCTYPE html>

	2 <meta charset=utf-8>

	3 <title>Keyframe handling tests</title>

	4 <link rel="help" href="https://w3c.github.io/web-animations/#the-effect-value-of -a-keyframe-animation-effect">

	5 <link rel="author" title="Brian Birtles" href="mailto:bbirtles@mozilla.com">

	6 <script src="../../../../resources/testharness.js"></script>

	7 <script src="../../../../resources/testharnessreport.js"></script>

	8 <script src="../testcommon.js"></script>

	9 <body>

	10 <div id="log"></div>

	11 <div id="target"></div>

	12 <script>

	13 'use strict';

	14

	15 test(function(t) {

	16 var div = createDiv(t);

	17 var anim = div.animate([ { offset: 0, opacity: 0 },

	18 { offset: 0, opacity: 0.1 },

	19 { offset: 0, opacity: 0.2 },

	20 { offset: 1, opacity: 0.8 },

	21 { offset: 1, opacity: 0.9 },

	22 { offset: 1, opacity: 1 } ],

	23 { duration: 1000,

	24 easing: 'cubic-bezier(0.5, -0.5, 0.5, 1.5)' });

	25 assert_equals(getComputedStyle(div).opacity, '0.2',

	26 'When progress is zero the last keyframe with offset 0 should'

	27 + ' be used');

	28 // http://cubic-bezier.com/#.5,-0.5,.5,1.5

	29 // At t=0.15, the progress should be negative

	30 anim.currentTime = 150;

	31 assert_equals(getComputedStyle(div).opacity, '0',

	32 'When progress is negative, the first keyframe with a 0 offset'

	33 + ' should be used');

	34 // At t=0.71, the progress should be just less than 1

	35 anim.currentTime = 710;

	36 assert_approx_equals(parseFloat(getComputedStyle(div).opacity), 0.8, 0.01,

	37 'When progress is just less than 1, the first keyframe with an'

	38 + ' offset of 1 should be used as the interval endpoint');

	39 // At t=0.85, the progress should be > 1

	40 anim.currentTime = 850;

	41 assert_equals(getComputedStyle(div).opacity, '1',

	42 'When progress is greater than 1.0, the last keyframe with a 1'

	43 + ' offset should be used');

	44 anim.finish();

	45 assert_equals(getComputedStyle(div).opacity, '1',

	46 'When progress is equal to 1.0, the last keyframe with a 1'

	47 + ' offset should be used');

	48 }, 'Overlapping keyframes at 0 and 1 use the appropriate value when the'

	49 + ' progress is outside the range [0, 1]');

	50

	51 test(function(t) {

	52 var div = createDiv(t);

	53 var anim = div.animate([ { offset: 0, opacity: 0 },

	54 { offset: 0.5, opacity: 0.3 },

	55 { offset: 0.5, opacity: 0.5 },

	56 { offset: 0.5, opacity: 0.7 },

	57 { offset: 1, opacity: 1 } ], 1000);

	58 anim.currentTime = 250;

	59 assert_equals(getComputedStyle(div).opacity, '0.15',

	60 'Before the overlap point, the first keyframe from the'

	61 + ' overlap point should be used as interval endpoint');

	62 anim.currentTime = 500;

	63 assert_equals(getComputedStyle(div).opacity, '0.7',

	64 'At the overlap point, the last keyframe from the'

	65 + ' overlap point should be used as interval startpoint');

	66 anim.currentTime = 750;

	67 assert_equals(getComputedStyle(div).opacity, '0.85',

	68 'After the overlap point, the last keyframe from the'

	69 + ' overlap point should be used as interval startpoint');

	70 }, 'Overlapping keyframes between 0 and 1 use the appropriate value on each'

	71 + ' side of the overlap point');

	72

	73 done();

	74 </script>

	75 </body>

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