| <!doctype html> |
| <meta charset=utf-8> |
| <title>CSSTransition.effect.target</title> |
| <!-- TODO: Add a more specific link for this once it is specified. --> |
| <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> |
| <div id="log"></div> |
| <script> |
| 'use strict'; |
| |
| test(t => { |
| const div = addDiv(t); |
| |
| div.style.left = '0px'; |
| getComputedStyle(div).transitionProperty; |
| div.style.transition = 'left 100s'; |
| div.style.left = '100px'; |
| |
| const animation = div.getAnimations()[0]; |
| assert_equals(animation.effect.target, div, |
| 'Animation.target is the animatable div'); |
| }, 'Returned CSS transitions have the correct Animation.target'); |
| |
| test(t => { |
| addStyle(t, { '.init::after': 'content: ""; width: 0px; height: 0px; ' + |
| 'transition: all 10s;', |
| '.change::after': 'width: 100px; height: 100px;' }); |
| const div = addDiv(t, { class: 'init' }); |
| getComputedStyle(div).width; |
| div.classList.add('change'); |
| |
| const anims = document.getAnimations(); |
| assert_equals(anims.length, 2, |
| 'Got transitions running on ::after pseudo element'); |
| assert_equals(anims[0].effect.target, anims[1].effect.target, |
| 'Both transitions return the same target object'); |
| }, 'effect.target should return the same CSSPseudoElement object each time'); |
| |
| test(t => { |
| addStyle(t, { '.init::after': 'content: ""; width: 0px; transition: all 10s;', |
| '.change::after': 'width: 100px;' }); |
| const div = addDiv(t, { class: 'init' }); |
| getComputedStyle(div).width; |
| div.classList.add('change'); |
| const pseudoTarget = document.getAnimations()[0].effect.target; |
| const effect = new KeyframeEffect(pseudoTarget, |
| { background: ["blue", "red"] }, |
| 3000); |
| const newAnim = new Animation(effect, document.timeline); |
| newAnim.play(); |
| |
| const anims = document.getAnimations(); |
| assert_equals(anims.length, 2, |
| 'Got animations running on ::after pseudo element'); |
| assert_not_equals(anims[0], newAnim, |
| 'The scriped-generated animation appears last'); |
| assert_equals(newAnim.effect.target, pseudoTarget, |
| 'The effect.target of the scripted-generated animation is ' + |
| 'the same as the one from the argument of ' + |
| 'KeyframeEffect constructor'); |
| assert_equals(anims[0].effect.target, newAnim.effect.target, |
| 'Both the transition and the scripted-generated animation ' + |
| 'return the same target object'); |
| }, 'effect.target from the script-generated animation should return the same ' + |
| 'CSSPseudoElement object as that from the CSS generated transition'); |
| |
| </script> |
