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diff --git a/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getSingleStatement/GetSingleStatementTest23.java b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getSingleStatement/GetSingleStatementTest23.java
new file mode 100644
index 000000000..47e979312
--- /dev/null
+++ b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getSingleStatement/GetSingleStatementTest23.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.tests.api.readGraph.getSingleStatement;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.NoSingleResultException;
+import org.simantics.db.testing.base.WriteReadTest;
+
+/**
+ * Tests cases where a non-functional relation uses
+ * {@link ReadGraph#getSingleObject(org.simantics.db.Resource, org.simantics.db.Resource)}
+ * with > 1 objects.
+ * 
+ * <p>
+ * Should throw {@link NoSingleResultException}, at the time of writing this
+ * test, AsyncBarrierImpl refcounting is trashed and DB client is stuck.
+ */
+public class GetSingleStatementTest23 extends WriteReadTest {
+	private Resource subject1;
+	private Resource relation1;
+	private Resource object1;
+
+	@Override
+	protected void write(WriteGraph graph) throws DatabaseException {
+
+		relation1 = graph.newResource();
+		graph.claim(relation1, L0.SubrelationOf, L0.IsRelatedTo);
+
+		//Resource rel2 = graph.newResource();
+		//graph.claim(rel2, L0.SubrelationOf, relation1);
+
+		subject1 = graph.newResource();
+		graph.claim(subject1, L0.InstanceOf, L0.Entity);
+
+		object1 = graph.newResource();
+		Resource o2 = graph.newResource();
+
+		graph.claim(subject1, relation1, object1);
+		graph.claim(subject1, relation1, o2);
+	}
+
+	@Override
+	protected void read(ReadGraph graph) throws DatabaseException {
+		try {
+
+			assertNotNull("Null not allowed", graph.getSingleStatement(subject1, relation1));
+			//assertTrue("Wrong object was returned", (object1.equals(object)));
+
+		} catch (NoSingleResultException e) {
+			//System.out.println("Read transaction threw an expected exception "
+			//		+ e);
+			return;
+		} catch (Throwable e) {
+			fail("Read transaction threw an unexpected exception " + e);
+		}
+		fail("Should throw");
+
+		/*
+		 * try {
+		 * 
+		 * graph.claim(subject1, relation1, relation1);
+		 * 
+		 * } catch (Throwable e) {
+		 * fail("Write transaction threw an unknown exception " + e); }
+		 */
+	}
+
+}