| <!doctype html> |
| <meta charset=utf-8> |
| <title>AnimationEffect.getKeyframes() for CSS transitions of the width and height properties</title> |
| <link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/helper.js"></script> |
| <style> |
| |
| .animated-div { |
| width: 100px; |
| height: 100px; |
| } |
| |
| </style> |
| <div id="log"></div> |
| <script> |
| |
| 'use strict'; |
| |
| test(t => { |
| const div = addDiv(t, { class: 'animated-div' }); |
| div.style.transition = 'width 10s'; |
| getComputedStyle(div).width; |
| div.style.width = '200px'; |
| |
| const keyframes = div.getAnimations()[0].effect.getKeyframes(); |
| assert_equals(keyframes[0].width, "100px", 'from keyframe value'); |
| assert_equals(keyframes[1].width, "200px", 'to keyframe value'); |
| }, 'getKeyframes() output for a width transition'); |
| |
| test(t => { |
| const div = addDiv(t, { class: 'animated-div' }); |
| div.style.transition = 'height 10s'; |
| getComputedStyle(div).height; |
| div.style.height = '200px'; |
| |
| const keyframes = div.getAnimations()[0].effect.getKeyframes(); |
| assert_equals(keyframes[0].height, "100px", 'from keyframe value'); |
| assert_equals(keyframes[1].height, "200px", 'to keyframe value'); |
| }, 'getKeyframes() output for a height transition'); |
| |
| </script> |
