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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-values/urls/resolve-relative-to-base.sub.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>URLs in embedded style sheets resolve relative to the document base URI</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
:root {
--image-path: url("images/test.png");
}
#relative-image-url {
background-image: url(images/test.png);
}
#relative-image-variable-url {
background-image: var(--image-path);
}
</style>
<div id="relative-image-url"></div>
<div id="relative-image-variable-url"></div>
<script>
const ids = [
"relative-image-url",
"relative-image-variable-url"
];
for (let id of ids) {
test(() => {
const el = document.getElementById(id);
const backgroundImageStyle = window.getComputedStyle(el)["background-image"];
const baseRelativeImageURL = new URL("images/test.png", document.baseURI);
assert_equals(backgroundImageStyle, `url("${baseRelativeImageURL.href}")`);
}, "base-relative URL: " + id);
}
</script>