setKeyframes.html (1843B)
1 <!DOCTYPE html> 2 <meta charset=utf-8> 3 <title>KeyframeEffect.setKeyframes</title> 4 <link rel="help" href="https://drafts.csswg.org/web-animations/#dom-keyframeeffect-setkeyframes"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="../../testcommon.js"></script> 8 <script src="../../resources/keyframe-utils.js"></script> 9 <script src="../../resources/keyframe-tests.js"></script> 10 <body> 11 <div id="log"></div> 12 <div id="target"></div> 13 <script> 14 'use strict'; 15 16 const target = document.getElementById('target'); 17 18 test(t => { 19 for (const frame of gEmptyKeyframeListTests) { 20 const effect = new KeyframeEffect(target, {}); 21 effect.setKeyframes(frame); 22 assert_frame_lists_equal(effect.getKeyframes(), []); 23 } 24 }, 'Keyframes can be replaced with an empty keyframe'); 25 26 for (const subtest of gKeyframesTests) { 27 test(t => { 28 const effect = new KeyframeEffect(target, {}); 29 effect.setKeyframes(subtest.input); 30 assert_frame_lists_equal(effect.getKeyframes(), subtest.output); 31 }, `Keyframes can be replaced with ${subtest.desc}`); 32 } 33 34 for (const subtest of gInvalidKeyframesTests) { 35 test(t => { 36 const effect = new KeyframeEffect(target, {}); 37 assert_throws_js(TypeError, () => { 38 effect.setKeyframes(subtest.input); 39 }); 40 }, `KeyframeEffect constructor throws with ${subtest.desc}`); 41 } 42 43 test(t => { 44 const frames1 = [ { left: '100px' }, { left: '200px' } ]; 45 const frames2 = [ { left: '200px' }, { left: '300px' } ]; 46 47 const animation = target.animate(frames1, 1000); 48 animation.currentTime = 500; 49 assert_equals(getComputedStyle(target).left, "150px"); 50 51 animation.effect.setKeyframes(frames2); 52 assert_equals(getComputedStyle(target).left, "250px"); 53 }, 'Changes made via setKeyframes should be immediately visible in style'); 54 </script> 55 </body>