third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation-timeline/document-timeline.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>Web Animations API: DocumentTimeline tests</title>

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

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

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

7 <iframe src="data:text/html;charset=utf-8," width="10" height="10" id="iframe">< /iframe>

8 <script>

9 'use strict';

10

11 test(function() {

12 assert_equals(document.timeline, document.timeline,

13 'document.timeline returns the same object every time');

14 var iframe = document.getElementById('iframe');

15 assert_not_equals(document.timeline, iframe.contentDocument.timeline,

16 'document.timeline returns a different object for each document');

17 assert_not_equals(iframe.contentDocument.timeline, null,

18 'document.timeline on an iframe is not null');

19 },

20 'document.timeline identity tests',

21 {

22 help: 'http://dev.w3.org/fxtf/web-animations/#the-document-timeline',

23 assert: [ 'Each document has a timeline called the document timeline' ],

24 author: 'Brian Birtles'

25 });

26

27 async_test(function(t) {

28 assert_true(document.timeline.currentTime > 0,

29 'document.timeline.currentTime is positive');

30 // document.timeline.currentTime should be set even before document

31 // load fires. We expect this code to be run before document load and hence

32 // the above assertion is sufficient.

33 // If the following assertion fails, this test needs to be redesigned.

34 assert_true(document.readyState !== 'complete',

35 'Test is running prior to document load');

36

37 // Test that the document timeline's current time is measured from

38 // navigationStart.

39 //

40 // We can't just compare document.timeline.currentTime to

41 // window.performance.now() because currentTime is only updated on a sample

42 // so we use requestAnimationFrame instead.

43 window.requestAnimationFrame(t.step_func(function(rafTime) {

44 assert_equals(document.timeline.currentTime, rafTime,

45 'document.timeline.currentTime matches' +

46 ' requestAnimationFrame time');

47 t.done();

48 }));

49 },

50 'document.timeline.currentTime value tests',

51 {

52 help: [

53 'http://dev.w3.org/fxtf/web-animations/#the-global-clock',

54 'http://dev.w3.org/fxtf/web-animations/#the-document-timeline'

55 ],

56 assert: [

57 'The global clock is a source of monotonically increasing time values',

58 'The time values of the document timeline are calculated as a fixed' +

59 ' offset from the global clock',

60 'the zero time corresponds to the navigationStart moment',

61 'the time value of each document timeline must be equal to the time ' +

62 'passed to animation frame request callbacks for that browsing context'

63 ],

64 author: 'Brian Birtles'

65 });

66

67 async_test(function(t) {

68 var valueAtStart = document.timeline.currentTime;

69 var timeAtStart = window.performance.now();

70 while (window.performance.now() - timeAtStart < 100) {

71 // Wait 100ms

72 }

73 assert_equals(document.timeline.currentTime, valueAtStart,

74 'document.timeline.currentTime does not change within a script block');

75 window.requestAnimationFrame(t.step_func(function() {

76 assert_true(document.timeline.currentTime > valueAtStart,

77 'document.timeline.currentTime increases between script blocks');

78 t.done();

79 }));

80 },

81 'document.timeline.currentTime liveness tests',

82 {

83 help: 'http://dev.w3.org/fxtf/web-animations/#script-execution-and-live-update s-to-the-model',

84 assert: [ 'The value returned by the currentTime attribute of a' +

85 ' document timeline will not change within a script block' ],

86 author: 'Brian Birtles'

87 });

88

89 </script>

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