/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.mem.test;

import junit.framework.TestSuite;
import org.apache.jena.graph.* ;
import org.apache.jena.graph.test.* ;
import org.apache.jena.mem.GraphMem ;
import org.apache.jena.shared.* ;
import org.apache.jena.util.iterator.ExtendedIterator ;

public class TestGraphMem extends AbstractTestGraph
    {
    public TestGraphMem( String name )
        { super( name ); }
    
    public static TestSuite suite()
        { return new TestSuite( TestGraphMem.class ); }
    
    @Override public Graph getGraph()
        { return new GraphMem(); }   

    public void testSizeAfterRemove() 
        {
        Graph g = getGraphWith( "x p y" );
        ExtendedIterator<Triple> it = g.find( triple( "x ?? ??" ) );
        it.removeNext();
        assertEquals( 0, g.size() );        
        }
    
    public void testContainsConcreteDoesntUseFind()
        {
        Graph g = new GraphMemWithoutFind();
        graphAdd( g, "x P y; a Q b" );
        assertTrue( g.contains( triple( "x P y" ) ) );
        assertTrue( g.contains( triple( "a Q b" ) ) );
        assertFalse( g.contains( triple( "a P y" ) ) );
        assertFalse( g.contains( triple( "y R b" ) ) );
        }    
    
    protected final class GraphMemWithoutFind extends GraphMem
        {
        @Override public ExtendedIterator<Triple> graphBaseFind( Triple t )
            { throw new JenaException( "find is Not Allowed" ); }
        }
    }
