Index: trunk/test/unit/org/openstreetmap/josm/tools/OsmUrlToBoundsTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/tools/OsmUrlToBoundsTest.java	(revision 11299)
+++ trunk/test/unit/org/openstreetmap/josm/tools/OsmUrlToBoundsTest.java	(revision 11302)
@@ -100,3 +100,13 @@
         }
     }
+
+    /**
+     * Test for {@link OsmUrlToBounds#getZoom}.
+     */
+    @Test
+    public void testGetZoom() {
+        Assert.assertEquals(4, OsmUrlToBounds.getZoom(OsmUrlToBounds.positionToBounds(0, 0, 4)));
+        Assert.assertEquals(10, OsmUrlToBounds.getZoom(OsmUrlToBounds.positionToBounds(5, 5, 10)));
+        Assert.assertEquals(18, OsmUrlToBounds.getZoom(OsmUrlToBounds.positionToBounds(40, 20, 18)));
+    }
 }