| <!doctype html> |
| <title>URLs in embedded style sheets resolve relative to the document base URI</title> |
| <link rel=help href=https://drafts.csswg.org/css-values/#relative-urls> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <base href="http://www.example.com"> |
| <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> |