Index: trunk/test/unit/org/openstreetmap/josm/data/validation/tests/DirectionNodesTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/validation/tests/DirectionNodesTest.java	(revision 17411)
+++ trunk/test/unit/org/openstreetmap/josm/data/validation/tests/DirectionNodesTest.java	(revision 17411)
@@ -0,0 +1,39 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.data.validation.tests;
+
+import java.util.stream.Collectors;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+/**
+ * JUnit Test of Multipolygon validation test.
+ */
+class DirectionNodesTest {
+
+
+    /**
+     * Setup test.
+     */
+    @RegisterExtension
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
+    public JOSMTestRules test = new JOSMTestRules();
+
+    /**
+     * Test all error cases manually created in direction-nodes.osm.
+     * @throws Exception in case of error
+     */
+    @Test
+    void testMultipolygonFile() throws Exception {
+        final DirectionNodes test = new DirectionNodes();
+        ValidatorTestUtils.testSampleFile("nodist/data/direction-nodes.osm",
+                ds -> ds.getNodes().stream().filter(OsmPrimitive::hasKeys).collect(Collectors.toList()),
+        null, test);
+
+    }
+
+}