Index: trunk/test/unit/org/openstreetmap/josm/data/validation/tests/MapCSSTagCheckerTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/validation/tests/MapCSSTagCheckerTest.java	(revision 8322)
+++ trunk/test/unit/org/openstreetmap/josm/data/validation/tests/MapCSSTagCheckerTest.java	(revision 8331)
@@ -118,4 +118,13 @@
 
     @Test
+    public void testPreprocessing() throws Exception {
+        final MapCSSTagChecker test = buildTagChecker("" +
+                "@media (min-josm-version: 1) { *[foo] { throwWarning: \"!\"; } }\n" +
+                "@media (min-josm-version: 2147483647) { *[bar] { throwWarning: \"!\"; } }\n");
+        assertThat(test.getErrorsForPrimitive(OsmUtils.createPrimitive("way foo=1"), false).size(), is(1));
+        assertThat(test.getErrorsForPrimitive(OsmUtils.createPrimitive("way bar=1"), false).size(), is(0));
+    }
+
+    @Test
     public void testInit() throws Exception {
         MapCSSTagChecker c = new MapCSSTagChecker();