| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| var doc = document.implementation.createHTMLDocument(""); |
| doc.head.innerHTML = "<style>span { background: url(fail) }</style>"; |
| var rule = doc.head.firstChild.sheet.cssRules[0]; |
| |
| test(() => { |
| assert_equals(rule.style.background, 'url("fail")'); |
| }, "Check initial background url."); |
| |
| test(() => { |
| rule.style.setProperty("background", "url(pass)"); |
| assert_equals(rule.style.background, 'url("pass")'); |
| }, "Setting background to a relative url should change its value."); |
| </script> |
