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