1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.tests.api.request.exception;
14 import org.junit.Test;
15 import org.simantics.db.ReadGraph;
16 import org.simantics.db.Session;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.db.request.Read;
19 import org.simantics.db.testing.base.ExistingDatabaseTest;
20 import org.simantics.layer0.Layer0;
22 public class GraphSyncReadThrowsNoSingleResultException extends ExistingDatabaseTest {
25 public void test() throws Exception {
27 Session session = getSession();
31 session.syncRequest(new Read<Object>() {
34 public Object perform(ReadGraph graph) throws DatabaseException {
36 return graph.syncRequest(new Read<Object>() {
39 public Object perform(ReadGraph graph) throws DatabaseException {
40 Layer0 b = Layer0.getInstance(graph);
41 return graph.getSingleObject(graph.getRootLibrary(), b.Inherits);
51 } catch(DatabaseException e) {
58 } catch(Throwable t) {
60 fail("syncRequest threw unexpected throwable " + t);
64 fail("syncRequest did not throw");