1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
<!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>
|
