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
|
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Variables Test: Style changes on registered properties using variables</title>
<link rel="author" title="Javier Fernandez Garcia-Boente" href="mailto:jfernandez@igalia.com">
<link rel="help" href="http://www.w3.org/TR/css-variables-1/#using-variables">
<meta name="assert" content="A change in the custom property declaration must be propagated to all the descendants">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="outer">
<div id="inbetween">
<div id="inner"></div>
</div>
</div>
<script>
"use strict";
test( function () {
outer.style.cssText = '';
inbetween.style.cssText = '';
inner.style.cssText = 'color: var(--color1)';
let initialValue = getComputedStyle(inner).getPropertyValue('color');
assert_equals(initialValue, "rgb(0, 0, 0)", "Initial value");
inbetween.style.cssText = 'color: green';
let inheritedValue = getComputedStyle(inner).getPropertyValue('color');
assert_equals(inheritedValue, "rgb(0, 128, 0)", "Inherited value");
CSS.registerProperty({name: '--color1', syntax: '<color>', initialValue: 'red', inherits: true});
let actualValue = getComputedStyle(inner).getPropertyValue('color');
assert_equals(actualValue, "rgb(255, 0, 0)", "Resolved value");
}, "New registered property declaration");
test( function () {
outer.style.cssText = '';
inbetween.style.cssText = '';
inner.style.cssText = 'color: var(--color2)';
let initialValue = getComputedStyle(inner).getPropertyValue('color');
assert_equals(initialValue, "rgb(0, 0, 0)", "Initial value");
outer.style.cssText = '--color2: blue';
inbetween.style.cssText = 'color: green';
let resolvedValue = getComputedStyle(inner).getPropertyValue('color');
assert_equals(resolvedValue, "rgb(0, 0, 255)", "Resolved value");
outer.style.cssText = '';
CSS.registerProperty({name: '--color2', syntax: '<color>', initialValue: 'red', inherits: true});
let actualValue = getComputedStyle(inner).getPropertyValue('color');
assert_equals(actualValue, "rgb(255, 0, 0)", "Resolved value");
}, "Registered property overrides a previous declaration ");
</script>
|
