tests/cdn.test | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/tests/cdn.test b/tests/cdn.test
index 5ab6a1f..8dcbc0a 100644
--- a/tests/cdn.test
+++ b/tests/cdn.test
@@ -571,6 +571,41 @@ class CDNImageTestCase extends CDNUnitTestCase {
   }
 }
 
+class CDNCssUrlTestCase extends CDNWebTestCase {
+  public static function getInfo() {
+    return array(
+      'name' => 'SEO',
+      'description' => 'Verify SEO duplicate content prevention.',
+      'group' => 'CDN',
+    );
+  }
+
+ function setUp() {
+   parent::setUp();
+   $this->loadFile('cdn.basic.css.inc');
+   variable_set(CDN_MODE_VARIABLE, CDN_MODE_BASIC);
+   variable_set(CDN_BASIC_FARFUTURE_VARIABLE, TRUE);
+ }
+
+ // Makes sure the URL components are preserved.
+ function testCssUrl() {
+   global $base_url;
+   $css_info = array(
+     array(
+       'type' => 'file',
+       'data' => drupal_get_path('module', 'cdn') . '/tests/css/orig/url.css',
+     ),
+   );
+   try {
+     // Make sure the URL in the supplied CSS file matches what we expect.
+     // trim() is needed to avoid issues with differences in newlines.
+     $this->assertEqual(trim(file_get_contents(_cdn_build_css_cache($css_info))), '.home{background:url('. $base_url . '/' . drupal_get_path('module', 'cdn') . '/tests/css/orig/geo-md-webfont.eot?#iefix);}');
+   } catch (Exception $exc) {
+     $this->fail($exc);
+   }
+  }
+}
+
 class CDNSEOTestCase extends CDNUnitTestCase {
   public static function getInfo() {
     return array(