/*******************************************************************************
 * 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.getSuperTypes;

import java.util.Set;

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.testing.base.WriteReadTest;

public class GetSupertypesTest2 extends WriteReadTest {

    private Resource type1;
    private Resource type2;
    private Resource type3;
    private Resource instance1;
    
    @Override
    protected void write(WriteGraph graph) throws DatabaseException {
        type1 = graph.newResource();
        graph.claim(type1, L0.Inherits, L0.Entity);

        type2 = graph.newResource();
        graph.claim(type2, L0.Inherits, L0.Entity);
        type3 = graph.newResource();
        graph.claim(type3, L0.Inherits,type1);
        graph.claim(type3, L0.Inherits,type2);
    }
    
    @Override
    protected void read(ReadGraph graph) throws DatabaseException {
    	
    	Set<Resource> result = graph.getSupertypes(type3);  
    	assertNotNull("Null not allowed", result);
    	assertTrue("Wrong number of results: " + result.size(), (result.size() == 3));
    	assertTrue("Wrong types: ", (result.contains(type1) && (result.contains(type2) &&
    			(result.contains(L0.Entity)))));
    }
}