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variable-substitution-shorthands.html
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<!DOCTYPE html>
<html>
<head>
<title>Test shorthand variable substitution</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<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/#variables-in-shorthands">
<style>
#target7parent > #target7 {
margin: var(--invalid); /* invalid at compute time */
}
#target7 {
margin: 77px;
}
</style>
</head>
<body>
<div id="target1" style="--prop: 8px; margin: var(--prop); margin-top: 10px"></div>
<div id="target2" style="--prop: 8px; margin: var(--prop) !important; margin-top: 10px"></div>
<div id="target3" style="--prop: 8px; margin-top: 10px !important; margin: var(--prop);"></div>
<div id="target4" style="--prop: 3px 5px 7px 11px; margin: var(--prop);"></div>
<div id="target5" style="--border1: 5px solid rgb(0, 0, 0); --border2: 3px dotted red; border-left: var(--border2); border: var(--border1);"></div>
<div id="target6" style="--border1: 5px solid rgb(0, 0, 0); --border2: 3px dotted red; border: var(--border1); border-left: var(--border2);"></div>
<div id="target7parent">
<div id="target7"></div>
</div>
<div id="target8" style="transition: opacity var(--duration); --duration: 2s"></div>
<div id="target9" style="border-style: dashed; --border1: 5px solid rgb(0, 0, 0); --border2: 3px dotted red; --width: 1px; border-left: var(--border1); border-width: var(--width);"></div>
<script type="text/javascript">
"use strict";
// Set a value via CSSOM to test precedence over markup values
document.getElementById("target9").style.borderLeft = "var(--border2)";
</script>
<script type="text/javascript">
"use strict";
var testcases = [
{ element: "target1", propertyName: "margin-left", expectedPropertyValue: "8px" },
{ element: "target1", propertyName: "margin-top", expectedPropertyValue: "10px" },
{ element: "target1", propertyName: "margin-right", expectedPropertyValue: "8px" },
{ element: "target1", propertyName: "margin-bottom", expectedPropertyValue: "8px" },
{ element: "target2", propertyName: "margin-left", expectedPropertyValue: "8px" },
{ element: "target2", propertyName: "margin-top", expectedPropertyValue: "8px" },
{ element: "target2", propertyName: "margin-right", expectedPropertyValue: "8px" },
{ element: "target2", propertyName: "margin-bottom", expectedPropertyValue: "8px" },
{ element: "target3", propertyName: "margin-left", expectedPropertyValue: "8px" },
{ element: "target3", propertyName: "margin-top", expectedPropertyValue: "10px" },
{ element: "target3", propertyName: "margin-right", expectedPropertyValue: "8px" },
{ element: "target3", propertyName: "margin-bottom", expectedPropertyValue: "8px" },
{ element: "target4", propertyName: "margin-left", expectedPropertyValue: "11px" },
{ element: "target4", propertyName: "margin-top", expectedPropertyValue: "3px" },
{ element: "target4", propertyName: "margin-right", expectedPropertyValue: "5px" },
{ element: "target4", propertyName: "margin-bottom", expectedPropertyValue: "7px" },
{ element: "target5", propertyName: "border-top-width", expectedPropertyValue: "5px" },
{ element: "target5", propertyName: "border-top-style", expectedPropertyValue: "solid" },
{ element: "target5", propertyName: "border-top-color", expectedPropertyValue: "rgb(0, 0, 0)" },
{ element: "target5", propertyName: "border-right-width", expectedPropertyValue: "5px" },
{ element: "target5", propertyName: "border-right-style", expectedPropertyValue: "solid" },
{ element: "target5", propertyName: "border-right-color", expectedPropertyValue: "rgb(0, 0, 0)" },
{ element: "target5", propertyName: "border-bottom-width", expectedPropertyValue: "5px" },
{ element: "target5", propertyName: "border-bottom-style", expectedPropertyValue: "solid" },
{ element: "target5", propertyName: "border-bottom-color", expectedPropertyValue: "rgb(0, 0, 0)" },
{ element: "target5", propertyName: "border-left-width", expectedPropertyValue: "5px" },
{ element: "target5", propertyName: "border-left-style", expectedPropertyValue: "solid" },
{ element: "target5", propertyName: "border-left-color", expectedPropertyValue: "rgb(0, 0, 0)" },
{ element: "target6", propertyName: "border-top-width", expectedPropertyValue: "5px" },
{ element: "target6", propertyName: "border-top-style", expectedPropertyValue: "solid" },
{ element: "target6", propertyName: "border-top-color", expectedPropertyValue: "rgb(0, 0, 0)" },
{ element: "target6", propertyName: "border-right-width", expectedPropertyValue: "5px" },
{ element: "target6", propertyName: "border-right-style", expectedPropertyValue: "solid" },
{ element: "target6", propertyName: "border-right-color", expectedPropertyValue: "rgb(0, 0, 0)" },
{ element: "target6", propertyName: "border-bottom-width", expectedPropertyValue: "5px" },
{ element: "target6", propertyName: "border-bottom-style", expectedPropertyValue: "solid" },
{ element: "target6", propertyName: "border-bottom-color", expectedPropertyValue: "rgb(0, 0, 0)" },
{ element: "target6", propertyName: "border-left-width", expectedPropertyValue: "3px" },
{ element: "target6", propertyName: "border-left-style", expectedPropertyValue: "dotted" },
{ element: "target6", propertyName: "border-left-color", expectedPropertyValue: "rgb(255, 0, 0)" },
{ element: "target7", propertyName: "margin-left", expectedPropertyValue: "0px" },
{ element: "target7", propertyName: "margin-top", expectedPropertyValue: "0px" },
{ element: "target7", propertyName: "margin-right", expectedPropertyValue: "0px" },
{ element: "target7", propertyName: "margin-bottom", expectedPropertyValue: "0px" },
{ element: "target8", propertyName: "transition-duration", expectedPropertyValue: "2s" },
{ element: "target9", propertyName: "border-left-width", expectedPropertyValue: "3px" },
{ element: "target9", propertyName: "border-left-style", expectedPropertyValue: "dotted" },
{ element: "target9", propertyName: "border-left-color", expectedPropertyValue: "rgb(255, 0, 0)" },
{ element: "target9", propertyName: "border-top-width", expectedPropertyValue: "1px" },
{ element: "target9", propertyName: "border-right-width", expectedPropertyValue: "1px" },
{ element: "target9", propertyName: "border-bottom-width", expectedPropertyValue: "1px" },
];
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>