Index: trunk/test/unit/org/openstreetmap/josm/data/validation/util/MultipleNameVisitorTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/validation/util/MultipleNameVisitorTest.java	(revision 14158)
+++ trunk/test/unit/org/openstreetmap/josm/data/validation/util/MultipleNameVisitorTest.java	(revision 14165)
@@ -8,4 +8,5 @@
 import org.junit.Rule;
 import org.junit.Test;
+import org.openstreetmap.josm.TestUtils;
 import org.openstreetmap.josm.data.osm.Way;
 import org.openstreetmap.josm.testutils.JOSMTestRules;
@@ -32,5 +33,18 @@
         MultipleNameVisitor visitor = new MultipleNameVisitor();
         visitor.visit(Arrays.asList(new Way(), new Way()));
-        assertEquals("2 ways", visitor.toString());
+        assertEquals("2 ways: ‎0‎ (0 nodes), ‎0‎ (0 nodes)", visitor.toString());
+    }
+
+    /**
+     * Non-regression test for bug #16652.
+     */
+    @Test
+    public void testTicket16652() {
+        MultipleNameVisitor visitor = new MultipleNameVisitor();
+        visitor.visit(Arrays.asList(
+                TestUtils.newNode("name=foo"),
+                TestUtils.newWay("addr:housename=Stark"),
+                TestUtils.newRelation("type=route")));
+        assertEquals("3 objects: foo, ‎House Stark‎ (0 nodes), route (0, 0 members)", visitor.toString());
     }
 }