<!doctype html> <html> <head> <meta charset=utf-8> <title>Tests for seeking using Animation.currentTime</title> <style> .animated-div { margin-left: -10px; animation-timing-function: linear ! important; } @keyframes anim { from { margin-left: 0px; } to { margin-left: 100px; } } </style> <script src="../testcommon.js"></script> </head> <body> <script type="text/javascript"> 'use strict'; function assert_marginLeft_equals(target, expect, description) { var marginLeft = parseFloat(getComputedStyle(target).marginLeft); assert_equals(marginLeft, expect, description); } promise_test(function(t) { var div = addDiv(t, {'class': 'animated-div'}); div.style.animation = "anim 100s"; var animation = div.getAnimations()[0]; return animation.ready.then(function() { animation.currentTime = 90 * MS_PER_SEC; assert_marginLeft_equals(div, 90, 'Computed style is updated when seeking forwards in active interval'); animation.currentTime = 10 * MS_PER_SEC; assert_marginLeft_equals(div, 10, 'Computed style is updated when seeking backwards in active interval'); }); }, 'Seeking forwards and backward in active interval'); promise_test(function(t) { var div = addDiv(t, {'class': 'animated-div'}); div.style.animation = "anim 100s 100s"; var animation = div.getAnimations()[0]; return animation.ready.then(function(t) { assert_marginLeft_equals(div, -10, 'Computed style is unaffected in before phase with no backwards fill'); // before -> active (non-active -> active) animation.currentTime = 150 * MS_PER_SEC; assert_marginLeft_equals(div, 50, 'Computed style is updated when seeking forwards from ' + 'not \'in effect\' to \'in effect\' state'); }); }, 'Seeking to non-\'in effect\' from \'in effect\' (before -> active)'); promise_test(function(t) { var div = addDiv(t, {'class': 'animated-div'}); div.style.animation = "anim 100s 100s"; var animation = div.getAnimations()[0]; return animation.ready.then(function(t) { // move to after phase animation.currentTime = 250 * MS_PER_SEC; assert_marginLeft_equals(div, -10, 'Computed style is unaffected in after phase with no forwards fill'); // after -> active (non-active -> active) animation.currentTime = 150 * MS_PER_SEC; assert_marginLeft_equals(div, 50, 'Computed style is updated when seeking backwards from ' + 'not \'in effect\' to \'in effect\' state'); }); }, 'Seeking to non-\'in effect\' from \'in effect\' (after -> active)'); promise_test(function(t) { var div = addDiv(t, {'class': 'animated-div'}); div.style.animation = "anim 100s 100s"; var animation = div.getAnimations()[0]; return animation.ready.then(function(t) { // move to active phase animation.currentTime = 150 * MS_PER_SEC; assert_marginLeft_equals(div, 50, 'Computed value is set during active phase'); // active -> before animation.currentTime = 50 * MS_PER_SEC; assert_marginLeft_equals(div, -10, 'Computed value is not effected after seeking backwards from ' + '\'in effect\' to not \'in effect\' state'); }); }, 'Seeking to \'in effect\' from non-\'in effect\' (active -> before)'); promise_test(function(t) { var div = addDiv(t, {'class': 'animated-div'}); div.style.animation = "anim 100s 100s"; var animation = div.getAnimations()[0]; return animation.ready.then(function(t) { // move to active phase animation.currentTime = 150 * MS_PER_SEC; assert_marginLeft_equals(div, 50, 'Computed value is set during active phase'); // active -> after animation.currentTime = 250 * MS_PER_SEC; assert_marginLeft_equals(div, -10, 'Computed value is not affected after seeking forwards from ' + '\'in effect\' to not \'in effect\' state'); }); }, 'Seeking to \'in effect\' from non-\'in effect\' (active -> after)'); done(); </script> </body> </html>