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diff --git a/testing/web-platform/tests/web-animations/timing-model/animations/set-the-animation-start-time.html b/testing/web-platform/tests/web-animations/timing-model/animations/set-the-animation-start-time.html new file mode 100644 index 000000000..8b74c92a4 --- /dev/null +++ b/testing/web-platform/tests/web-animations/timing-model/animations/set-the-animation-start-time.html @@ -0,0 +1,207 @@ +<!DOCTYPE html> +<meta charset=utf-8> +<title>Setting the start time tests</title> +<link rel="help" href="https://w3c.github.io/web-animations/#set-the-animation-start-time"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="../../testcommon.js"></script> +<body> +<div id="log"></div> +<script> +'use strict'; + +test(function(t) +{ + // It should only be possible to set *either* the start time or the current + // time for an animation that does not have an active timeline. + + var animation = + new Animation(new KeyframeEffect(createDiv(t), null, 100 * MS_PER_SEC), + null); + + assert_equals(animation.currentTime, null, 'Intial current time'); + assert_equals(animation.startTime, null, 'Intial start time'); + + animation.currentTime = 1000; + assert_equals(animation.currentTime, 1000, + 'Setting the current time succeeds'); + assert_equals(animation.startTime, null, + 'Start time remains null after setting current time'); + + animation.startTime = 1000; + assert_equals(animation.startTime, 1000, + 'Setting the start time succeeds'); + assert_equals(animation.currentTime, null, + 'Setting the start time clears the current time'); + + animation.startTime = null; + assert_equals(animation.startTime, null, + 'Setting the start time to an unresolved time succeeds'); + assert_equals(animation.currentTime, null, 'The current time is unaffected'); + +}, 'Setting the start time of an animation without an active timeline'); + +test(function(t) +{ + // Setting an unresolved start time on an animation without an active + // timeline should not clear the current time. + + var animation = + new Animation(new KeyframeEffect(createDiv(t), null, 100 * MS_PER_SEC), + null); + + assert_equals(animation.currentTime, null, 'Intial current time'); + assert_equals(animation.startTime, null, 'Intial start time'); + + animation.currentTime = 1000; + assert_equals(animation.currentTime, 1000, + 'Setting the current time succeeds'); + assert_equals(animation.startTime, null, + 'Start time remains null after setting current time'); + + animation.startTime = null; + assert_equals(animation.startTime, null, 'Start time remains unresolved'); + assert_equals(animation.currentTime, 1000, 'Current time is unaffected'); + +}, 'Setting an unresolved start time an animation without an active timeline' + + ' does not clear the current time'); + +test(function(t) +{ + var animation = + new Animation(new KeyframeEffect(createDiv(t), null, 100 * MS_PER_SEC), + document.timeline); + + // So long as a hold time is set, querying the current time will return + // the hold time. + + // Since the start time is unresolved at this point, setting the current time + // will set the hold time + animation.currentTime = 1000; + assert_equals(animation.currentTime, 1000, + 'The current time is calculated from the hold time'); + + // If we set the start time, however, we should clear the hold time. + animation.startTime = document.timeline.currentTime - 2000; + assert_times_equal(animation.currentTime, 2000, + 'The current time is calculated from the start time,' + + ' not the hold time'); + + // Sanity check + assert_equals(animation.playState, 'running', + 'Animation reports it is running after setting a resolved' + + ' start time'); +}, 'Setting the start time clears the hold time'); + +test(function(t) +{ + var animation = + new Animation(new KeyframeEffect(createDiv(t), null, 100 * MS_PER_SEC), + document.timeline); + + // Set up a running animation (i.e. both start time and current time + // are resolved). + animation.startTime = document.timeline.currentTime - 1000; + assert_equals(animation.playState, 'running'); + assert_times_equal(animation.currentTime, 1000, + 'Current time is resolved for a running animation') + + // Clear start time + animation.startTime = null; + assert_times_equal(animation.currentTime, 1000, + 'Hold time is set after start time is made unresolved'); + assert_equals(animation.playState, 'paused', + 'Animation reports it is paused after setting an unresolved' + + ' start time'); +}, 'Setting an unresolved start time sets the hold time'); + +promise_test(function(t) +{ + var animation = + new Animation(new KeyframeEffect(createDiv(t), null, 100 * MS_PER_SEC), + document.timeline); + + var readyPromiseCallbackCalled = false; + animation.ready.then(function() { readyPromiseCallbackCalled = true; } ); + + // Put the animation in the play-pending state + animation.play(); + + // Sanity check + assert_equals(animation.playState, 'pending', + 'Animation is in play-pending state'); + + // Setting the start time should resolve the 'ready' promise, i.e. + // it should schedule a microtask to run the promise callbacks. + animation.startTime = document.timeline.currentTime; + assert_false(readyPromiseCallbackCalled, + 'Ready promise callback is not called synchronously'); + + // If we schedule another microtask then it should run immediately after + // the ready promise resolution microtask. + return Promise.resolve().then(function() { + assert_true(readyPromiseCallbackCalled, + 'Ready promise callback called after setting startTime'); + }); +}, 'Setting the start time resolves a pending ready promise'); + +promise_test(function(t) +{ + var animation = + new Animation(new KeyframeEffect(createDiv(t), null, 100 * MS_PER_SEC), + document.timeline); + + var readyPromiseCallbackCalled = false; + animation.ready.then(function() { readyPromiseCallbackCalled = true; } ); + + // Put the animation in the pause-pending state + animation.startTime = document.timeline.currentTime; + animation.pause(); + + // Sanity check + assert_equals(animation.playState, 'pending', + 'Animation is in pause-pending state'); + + // Setting the start time should resolve the 'ready' promise although + // the resolution callbacks when be run in a separate microtask. + animation.startTime = null; + assert_false(readyPromiseCallbackCalled, + 'Ready promise callback is not called synchronously'); + + return Promise.resolve().then(function() { + assert_true(readyPromiseCallbackCalled, + 'Ready promise callback called after setting startTime'); + }); +}, 'Setting the start time resolves a pending pause task'); + +promise_test(function(t) +{ + var animation = + new Animation(new KeyframeEffect(createDiv(t), null, 100 * MS_PER_SEC), + document.timeline); + + // Set start time such that the current time is past the end time + animation.startTime = document.timeline.currentTime + - 110 * MS_PER_SEC; + assert_equals(animation.playState, 'finished', + 'Seeked to finished state using the startTime'); + + // If the 'did seek' flag is true, the current time should be greater than + // the effect end. + assert_greater_than(animation.currentTime, + animation.effect.getComputedTiming().endTime, + 'Setting the start time updated the finished state with' + + ' the \'did seek\' flag set to true'); + + // Furthermore, that time should persist if we have correctly updated + // the hold time + var finishedCurrentTime = animation.currentTime; + return waitForAnimationFrames(1).then(function() { + assert_equals(animation.currentTime, finishedCurrentTime, + 'Current time does not change after seeking past the effect' + + ' end time by setting the current time'); + }); +}, 'Setting the start time updates the finished state'); + +</script> +</body> |