Index: trunk/test/unit/org/openstreetmap/josm/data/validation/tests/UnconnectedWaysTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/validation/tests/UnconnectedWaysTest.java	(revision 16788)
+++ trunk/test/unit/org/openstreetmap/josm/data/validation/tests/UnconnectedWaysTest.java	(revision 16802)
@@ -119,3 +119,23 @@
         }
     }
+
+    /**
+     * Non-regression test for <a href="https://josm.openstreetmap.de/ticket/19568">Bug #19568</a>.
+     * @throws IOException if any I/O error occurs
+     * @throws IllegalDataException if the OSM data cannot be parsed
+     * @throws FileNotFoundException if the data file cannot be found
+     */
+    @Test
+    public void testTicket19568() throws IOException, IllegalDataException, FileNotFoundException {
+        try (InputStream fis = TestUtils.getRegressionDataStream(19568, "data.osm")) {
+            final DataSet ds = OsmReader.parseDataSet(fis, NullProgressMonitor.INSTANCE);
+            MainApplication.getLayerManager().addLayer(new OsmDataLayer(ds, null, null));
+
+            bib.startTest(null);
+            bib.setBeforeUpload(false);
+            bib.visit(ds.allPrimitives());
+            bib.endTest();
+            assertThat(bib.getErrors(), isEmpty());
+        }
+    }
 }