Index: trunk/test/unit/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSParserTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSParserTest.java	(revision 15318)
+++ trunk/test/unit/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSParserTest.java	(revision 15323)
@@ -466,4 +466,12 @@
 
     @Test
+    public void testUniqueValues() throws Exception {
+        assertEquals(Arrays.asList(new String[] {"alpha", "beta"}),
+                Functions.uniq("alpha", "alpha", "alpha", "beta"));
+        assertEquals(Arrays.asList(new String[] {"one", "two", "three"}),
+                Functions.uniq_list(Arrays.asList(new String[] {"one", "one", "two", "two", "two", "three"})));
+    }
+
+    @Test
     public void testCountRoles() throws Exception {
         DataSet ds = new DataSet();