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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-variables/variable-substitution-background-properties.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>test background property variable substitution</title>
<meta rel="author" title="Kevin Babbitt">
<meta rel="author" title="Greg Whitworth">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
.testArea {
width: 16px;
height: 16px;
display: inline-block;
background-image: url("../../../../images/green.png");
}
</style>
</head>
<body>
<div id="log"></div>
<div class="testArea" id="background-attachment" style="--foo: fixed; background-attachment: var(--foo);"></div>
<div class="testArea" id="background-clip" style="--foo: padding-box; background-clip: var(--foo);"></div>
<div class="testArea" id="background-color" style="background-image: none; --foo: rgb(0, 128, 0); background-color: var(--foo);"></div>
<div class="testArea" id="background-origin" style="--foo: content-box; background-origin: var(--foo);"></div>
<div class="testArea" id="background-position" style="--foo: 0% 50%; background-position: var(--foo);"></div>
<div class="testArea" id="background-repeat" style="--foo: repeat-x; background-repeat: var(--foo);"></div>
<div class="testArea" id="background-size" style="--foo: cover; background-size: var(--foo);"></div>
<div class="testArea" id="background-image-url" style="--foo: url('../../../../images/green-16x16.png'); background-image: var(--foo);"></div>
<div class="testArea" id="background-image-linear-gradient" style="--location: bottom; background-image: linear-gradient(to var(--location), rgb(30,87,0) 0%,rgb(125,232,185) 100%);"></div>
<div class="testArea" id="background-image-radial-gradient" style="--shape: ellipse; --location: farthest-corner; background-image: radial-gradient(var(--shape) var(--location) at 25px 25px, black 10%, green 90%);"></div>
<script type="text/javascript">
"use strict";
let templates = [
{
testName:"background-attachment",
propertyName:"background-attachment",
expectedValue:"fixed",
},
{
testName:"background-clip",
propertyName:"background-clip",
expectedValue:"padding-box",
},
{
testName:"background-color",
propertyName:"background-color",
expectedValue:"rgb(0, 128, 0)",
},
{
testName:"background-origin",
propertyName:"background-origin",
expectedValue:"content-box",
},
{
testName:"background-position",
propertyName:"background-position",
expectedValue:"0% 50%",
},
{
testName:"background-repeat",
propertyName:"background-repeat",
expectedValue:"repeat-x",
},
{
testName:"background-size",
propertyName:"background-size",
expectedValue:"cover",
},
{
testName:"background-image-url",
propertyName:"background-image",
expectedValue:"url(\"../../../../images/green-16x16.png\")",
},
{
testName:"background-image-linear-gradient",
propertyName:"background-image",
expectedValue:"linear-gradient(rgb(30, 87, 0) 0%, rgb(125, 232, 185) 100%)",
},
{
testName:"background-image-radial-gradient",
propertyName:"background-image",
expectedValue:"radial-gradient(at 25px 25px, rgb(0, 0, 0) 10%, rgb(0, 128, 0) 90%)",
},
];
templates.forEach(function (template) {
test( function () {
let target = document.getElementById(template.testName);
let computedStyle = window.getComputedStyle(target);
let value = computedStyle.getPropertyValue(template.propertyName);
if (template.testName != "background-image-url")
{
assert_equals(value, template.expectedValue, "Expected Value should match actual value");
}
else
{
assert_regexp_match(value, /green-16x16/, "Actual value should contain expected substring");
}
}, template.testName);
});
</script>
</body>
</html>