/**
    * 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.commons.rdf.api;
  
  import static org.junit.Assert.*;
  
  import org.junit.Test;
  
  public class DefaultGraphTest {
  
      DummyGraph graph = new DummyGraph();
  
      @Test
      public void close() throws Exception {
          graph.close(); // no-op
      }
  
      @SuppressWarnings("deprecation")
      @Test
      public void defaultGetTriples() throws Exception {
          assertFalse(graph.streamCalled);
          assertFalse(graph.filteredStreamCalled);
          assertEquals(1L, graph.getTriples().count());
          assertTrue(graph.streamCalled);
          assertFalse(graph.filteredStreamCalled);
      }
  
      @SuppressWarnings("deprecation")
      @Test
      public void defaultGetTriplesFiltered() throws Exception {
          assertFalse(graph.streamCalled);
          assertFalse(graph.filteredStreamCalled);
          assertEquals(1L, graph.getTriples(null,null,null).count());
          assertFalse(graph.streamCalled);
          assertTrue(graph.filteredStreamCalled);
          // Ensure arguments are passed on to graph.stream(s,p,o);
          assertEquals(0L, graph.getTriples(new DummyIRI(0),null,null).count());
      }
  
      @Test
      public void defaultIterate() throws Exception {
          assertFalse(graph.streamCalled);
          assertFalse(graph.filteredStreamCalled);
          for (final Triple t : graph.iterate()) {
              assertEquals(t, new DummyTriple());
          }
          assertTrue(graph.streamCalled);
          assertFalse(graph.filteredStreamCalled);
      }
  
      @Test
      public void defaultFilteredIterate() throws Exception {
          assertFalse(graph.streamCalled);
          assertFalse(graph.filteredStreamCalled);
          for (final Triple t : graph.iterate(null, new DummyIRI(2), null)) {
              assertEquals(t, new DummyTriple());
          }
          assertTrue(graph.filteredStreamCalled);
          assertFalse(graph.streamCalled);
      }
  
  }