<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Testing substituting variable references inside of variable declerations</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>
#target1 {
margin: var(--var2);
--var2: var(--var1) 10px;
--var1: var(--var0) 13px 17px;
--var0: 23px;
}
#target2parent {
--var2: var(--var1, fallback);
--var1: var(--var2, fallback);
}
#target2 {
--var1: good;
}
#target3 {
--var2: var(--var1, 3px);
--var1: var(--var0, 5px);
}
#target4 {
--varA: var(--varB);
--varB: var(--varA);
--varC: var(--varB,13px);
}
#target5 {
--varA: var(--varB);
--varB: var(--varA) var(--varC);
--varC: var(--varB,13px);
}
#target6 {
--varA: var(--varB);
--varB: var(--varA) var(--varDoesNotExist,var(--varC));
--varC: var(--varB,13px);
}
#target7 {
--varDoesExist: 5px;
--varA: var(--varB);
--varB: var(--varA) var(--varDoesExist,var(--varC));
--varC: var(--varB,13px);
}
#target8 {
--varA: var(--varA, 9px);
--varB: var(--varA, 7px);
}
#target9 {
--varA: good;
--varB: very var(--varA, var(--varC));
--varC: var(--varB);
}
#target10parent {
--varA: good;
--varB: Also good;
--varC: another good one;
}
#target10 {
--varA: var(--varB);
--varB: var(--varA);
--varC: var(--varB);
}
</style>
</head>
<body>
<div id="target1"></div>
<div id="target2parent">
<div id="target2"></div>
</div>
<div id="target3"></div>
<div id="target4"></div>
<div id="target5"></div>
<div id="target6"></div>
<div id="target7"></div>
<div id="target8"></div>
<div id="target9"></div>
<div id="target10parent">
<div id="target10"></div>
</div>
<script type="text/javascript">
"use strict";
var testcases = [
{ element: "target1", propertyName: "--var2", expectedPropertyValue: " 23px 13px 17px 10px" },
{ element: "target1", propertyName: "margin-top", expectedPropertyValue: "23px" },
{ element: "target1", propertyName: "margin-right", expectedPropertyValue: "13px" },
{ element: "target1", propertyName: "margin-bottom", expectedPropertyValue: "17px" },
{ element: "target1", propertyName: "margin-left", expectedPropertyValue: "10px" },
{ element: "target2parent", propertyName: "--var1", expectedPropertyValue: "" },
{ element: "target2parent", propertyName: "--var2", expectedPropertyValue: "" },
{ element: "target2", propertyName: "--var1", expectedPropertyValue: " good" },
{ element: "target2", propertyName: "--var2", expectedPropertyValue: "" },
{ element: "target3", propertyName: "--var1", expectedPropertyValue: " 5px" },
{ element: "target3", propertyName: "--var2", expectedPropertyValue: " 5px" },
{ element: "target4", propertyName: "--varA", expectedPropertyValue: "" },
{ element: "target4", propertyName: "--varB", expectedPropertyValue: "" },
{ element: "target4", propertyName: "--varC", expectedPropertyValue: " 13px" },
{ element: "target5", propertyName: "--varA", expectedPropertyValue: "" },
{ element: "target5", propertyName: "--varB", expectedPropertyValue: "" },
{ element: "target5", propertyName: "--varC", expectedPropertyValue: "" },
{ element: "target6", propertyName: "--varA", expectedPropertyValue: "" },
{ element: "target6", propertyName: "--varB", expectedPropertyValue: "" },
{ element: "target6", propertyName: "--varC", expectedPropertyValue: "" },
{ element: "target7", propertyName: "--varA", expectedPropertyValue: "" },
{ element: "target7", propertyName: "--varB", expectedPropertyValue: "" },
{ element: "target7", propertyName: "--varC", expectedPropertyValue: "" },
{ element: "target8", propertyName: "--varA", expectedPropertyValue: "" },
{ element: "target8", propertyName: "--varB", expectedPropertyValue: " 7px" },
{ element: "target9", propertyName: "--varA", expectedPropertyValue: " good" },
{ element: "target9", propertyName: "--varB", expectedPropertyValue: "" },
{ element: "target9", propertyName: "--varC", expectedPropertyValue: "" },
{ element: "target10", propertyName: "--varA", expectedPropertyValue: "" },
{ element: "target10", propertyName: "--varB", expectedPropertyValue: "" },
{ element: "target10", propertyName: "--varC", expectedPropertyValue: "" },
];
testcases.forEach(function (testcase) {
test( function () {
var div = document.getElementById(testcase.element);
var actualPropertyValue = window.getComputedStyle(div).getPropertyValue(testcase.propertyName);
assert_equals(actualPropertyValue, testcase.expectedPropertyValue);
}, testcase.element + " " + testcase.propertyName);
});
</script>
</body>
</html>