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
|
<!DOCTYPE html>
<title>Computed CSSStyleDeclaration includes registered custom properties</title>
<link rel="help" href="https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/1316">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
@property --non-inherited-length {
syntax: "<length>";
inherits: false;
initial-value: 0px;
}
@property --inherited-length {
syntax: "<length>";
inherits: true;
initial-value: 0px;
}
@property --universal-with-initial {
syntax: "*";
inherits: false;
initial-value: foo;
}
@property --universal-without-initial {
syntax: "*";
inherits: false;
}
#outer { --non-registered-outer: 1px; }
#inner { --non-registered-inner: 2px; }
#sibling { --universal-without-initial: bar; }
</style>
<div id=outer>
<div id=inner></div>
<div id=sibling></div>
</div>
<script>
const assert_present = (props, name) => assert_not_equals(props.indexOf(name), -1);
const assert_absent = (props, name) => assert_equals(props.indexOf(name), -1);
test(function() {
let props = Array.from(getComputedStyle(inner));
assert_present(props, '--non-inherited-length');
assert_present(props, '--inherited-length');
assert_present(props, '--non-registered-outer');
assert_present(props, '--non-registered-inner');
assert_present(props, '--universal-with-initial');
assert_absent(props, '--universal-without-initial');
}, 'Registered custom properties are included in CSSComputedStyleDeclaration');
test(function() {
let props = Array.from(getComputedStyle(sibling));
assert_present(props, '--non-inherited-length');
assert_present(props, '--inherited-length');
assert_present(props, '--non-registered-outer');
assert_present(props, '--universal-with-initial');
assert_present(props, '--universal-without-initial');
assert_absent(props, '--non-registered-inner');
}, 'Only relevant custom properties are included');
</script>
|
