third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/keyframe-handling.html - Issue 1883663003: Revert of Import web-platform-tests@5a8700479d98852455bee6117558897867eb278a

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Issue 1883663003: Revert of Import web-platform-tests@5a8700479d98852455bee6117558897867eb278a (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@wpt-sync

Patch Set: 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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