<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
test(function() {
var cssText = 'div { background-image: url("images.jpg"); }';
var doc = document.implementation.createHTMLDocument("");
var styleElement = document.createElement("style");
styleElement.textContent = cssText;
doc.body.appendChild(styleElement);
var cssRules = styleElement.sheet.cssRules;
assert_equals(cssRules.length, 1);
var compareCSSText = cssRules[0].cssText;
assert_equals(compareCSSText, cssText);
}, 'Testing serialization and round trip of URLs in CSS');
</script>