blob: 6117027e22029cdef83e9c01190af1fbb90c75ac (
plain)
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
|
<!DOCTYPE html>
<title>Tests that layout is updated on position-anchor value changes</title>
<link rel="help" href="https://drafts4.csswg.org/css-anchor-position-1/#position-anchor">
<link rel="author" href="mailto:xiaochengh@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#target {
position: fixed;
width: 100px;
height: 100px;
background: lime;
top: anchor(top);
left: anchor(right);
position-anchor: --a;
}
#target.after {
position-anchor: --b;
}
#anchor1, #anchor2 {
width: 100px;
height: 100px;
background: orange;
}
#anchor1 {
anchor-name: --a;
}
#anchor2 {
margin-left: 100px;
anchor-name: --b;
}
body {
margin: 0;
}
</style>
<div id="anchor1"></div>
<div id="anchor2"></div>
<div id="target"></div>
<script>
test(() => {
document.body.offsetLeft; // Force layout
target.classList.add('after');
// #target should be anchored to #anchor2 now
assert_equals(target.offsetLeft, 200);
assert_equals(target.offsetTop, 100);
}, 'Layout is updated on `position-anchor` changes');
</script>
|
