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<!DOCTYPE html>
<html>
<head>
<title>CSS Variable definitions and keywords</title>
<meta rel="author" title="Kevin Babbitt">
<meta rel="author" title="Greg Whitworth">
<link rel="author" title="Microsoft Corporation" href="http://microsoft.com" />
<link rel="help" href="http://www.w3.org/TR/css-variables-1/#using-variables">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
/* Specify a value in a rule hitting keyword targets so that the keywords
have something to override in the cascade. */
div > div
{
--var: 10px;
}
</style>
</head>
<body>
<div id="inheritParent" style="--var: 20px;">
<div id="inheritTest" style="--var: inherit;"></div>
</div>
<div id="initialParent" style="--var: 20px;">
<div id="initialTest" style="--var: initial;"></div>
</div>
<div id="unsetParent" style="--var: 20px;">
<div id="unsetTest" style="--var: unset;"></div>
</div>
<script type="text/javascript">
"use strict";
let computedStyle = [
{ elementId: "inheritTest", property: "--var", expectedValue: "20px", testName: "computed style inherit" },
{ elementId: "initialTest", property: "--var", expectedValue: "", testName: "computed style initial" },
{ elementId: "unsetTest", property: "--var", expectedValue: "20px", testName: "computed style unset" }
];
let specifiedStyle = [
{ elementId: "inheritTest", property: "--var", expectedValue: "inherit", testName: "specified style inherit" },
{ elementId: "initialTest", property: "--var", expectedValue: "initial", testName: "specified style initial" },
{ elementId: "unsetTest", property: "--var", expectedValue: "unset", testName: "specified style unset" }
];
computedStyle.forEach(function (csTest) {
test( function () {
var elem = document.getElementById(csTest.elementId);
var actualValue = window.getComputedStyle(elem).getPropertyValue(csTest.property).trim();
assert_equals(csTest.expectedValue, actualValue);
}, csTest.testName);
});
specifiedStyle.forEach(function (ssTest) {
test( function () {
var elem = document.getElementById(ssTest.elementId);
var actualValue = elem.style.getPropertyValue(ssTest.property);
assert_equals(ssTest.expectedValue, actualValue);
}, ssTest.testName);
});
</script>
</body>
</html>
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