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   *  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,
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   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
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   */
  package org.apache.causeway.core.metamodel.facets.actions;
  
  import java.util.Iterator;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.apache.causeway.commons.internal.reflection._GenericResolver.ResolvedMethod;
  import org.apache.causeway.core.metamodel.facets.FacetFactoryTestAbstract;
  import org.apache.causeway.core.metamodel.facets.object.ignore.javalang.IteratorFilteringFacetFactory;
  
  class IteratorFilteringFacetFactoryTest
  extends FacetFactoryTestAbstract {
  
      private IteratorFilteringFacetFactory facetFactory;
  
      @BeforeEach
      protected void setUp() {
          facetFactory = new IteratorFilteringFacetFactory(getMetaModelContext());
      }
  
      @AfterEach
      protected void tearDown() {
          facetFactory = null;
      }
  
      @Test
      void doesNotRecognizeIterator_ifNotImplementingIterable() {
          @SuppressWarnings("unused")
          class Customer {
              public void iterator() {}
          }
          final ResolvedMethod actionMethod = findMethodExactOrFail(Customer.class, "iterator");
          assertFalse(facetFactory.recognizes(actionMethod));
      }
  
      @Test
      void recognizesIterator() {
          @SuppressWarnings("unused")
          class Customer implements Iterable<Customer> {
              public void someAction() {}
              @Override
              public Iterator<Customer> iterator() { return null; }
          }
          final ResolvedMethod iteratorMethod = findMethodExactOrFail(Customer.class, "iterator");
          assertTrue(facetFactory.recognizes(iteratorMethod));
      }
  
  }
  