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

Unified Diff: third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/keyframe-handling.html

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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Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/keyframe-handling.html

diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/keyframe-handling.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/keyframe-handling.html

new file mode 100644

index 0000000000000000000000000000000000000000..613933c4e32b8b45c87a60e8010ce9197ce61c69

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+++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/keyframe-handling.html

@@ -0,0 +1,75 @@

+<!DOCTYPE html>

+<meta charset=utf-8>

+<title>Keyframe handling tests</title>

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

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

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

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

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

+<body>

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

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

+<script>

+'use strict';

+test(function(t) {

+ var div = createDiv(t);

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

+ { offset: 0, opacity: 0.1 },

+ { offset: 0, opacity: 0.2 },

+ { offset: 1, opacity: 0.8 },

+ { offset: 1, opacity: 0.9 },

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

+ { duration: 1000,

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

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

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

+ + ' be used');

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

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

+ anim.currentTime = 150;

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

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

+ + ' should be used');

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

+ anim.currentTime = 710;

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

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

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

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

+ anim.currentTime = 850;

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

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

+ + ' offset should be used');

+ anim.finish();

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

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

+ + ' offset should be used');

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

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

+test(function(t) {

+ var div = createDiv(t);

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

+ { offset: 0.5, opacity: 0.3 },

+ { offset: 0.5, opacity: 0.5 },

+ { offset: 0.5, opacity: 0.7 },

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

+ anim.currentTime = 250;

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

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

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

+ anim.currentTime = 500;

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

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

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

+ anim.currentTime = 750;

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

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

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

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

+ + ' side of the overlap point');

+done();

+</script>

+</body>