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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.collections4.bag;
18  
19  import static org.junit.jupiter.api.Assertions.assertSame;
20  import static org.junit.jupiter.api.Assertions.assertThrows;
21  import static org.junit.jupiter.api.Assertions.assertTrue;
22  
23  import java.util.Arrays;
24  
25  import org.apache.commons.collections4.SortedBag;
26  import org.apache.commons.collections4.Unmodifiable;
27  import org.apache.commons.collections4.collection.AbstractCollectionTest;
28  import org.junit.jupiter.api.Test;
29  
30  /**
31   * Extension of {@link AbstractCollectionTest} for exercising the
32   * {@link UnmodifiableSortedBag} implementation.
33   */
34  public class UnmodifiableSortedBagTest<E> extends AbstractSortedBagTest<E> {
35  
36      public UnmodifiableSortedBagTest() {
37          super(UnmodifiableSortedBagTest.class.getSimpleName());
38      }
39  
40      @Override
41      public SortedBag<E> getCollection() {
42          return super.getCollection();
43      }
44  
45      @Override
46      public String getCompatibilityVersion() {
47          return "4";
48      }
49  
50      @Override
51      public boolean isAddSupported() {
52          return false;
53      }
54  
55      @Override
56      public boolean isNullSupported() {
57          return false;
58      }
59  
60      @Override
61      public boolean isRemoveSupported() {
62          return false;
63      }
64  
65      @Override
66      public SortedBag<E> makeFullCollection() {
67          final SortedBag<E> bag = new TreeBag<>();
68          bag.addAll(Arrays.asList(getFullElements()));
69          return UnmodifiableSortedBag.unmodifiableSortedBag(bag);
70      }
71  
72      @Override
73      public SortedBag<E> makeObject() {
74          return UnmodifiableSortedBag.unmodifiableSortedBag(new TreeBag<>());
75      }
76  
77      @Test
78      public void testDecorateFactory() {
79          final SortedBag<E> queue = makeFullCollection();
80          assertSame(queue, UnmodifiableSortedBag.unmodifiableSortedBag(queue));
81  
82          assertThrows(NullPointerException.class, () -> UnmodifiableSortedBag.unmodifiableSortedBag(null));
83      }
84  
85      @Test
86      public void testUnmodifiable() {
87          assertTrue(makeObject() instanceof Unmodifiable);
88          assertTrue(makeFullCollection() instanceof Unmodifiable);
89      }
90  
91  //    public void testCreate() throws Exception {
92  //        SortedBag<E> bag = makeObject();
93  //        writeExternalFormToDisk((java.io.Serializable) bag, "src/test/resources/data/test/UnmodifiableSortedBag.emptyCollection.version4.obj");
94  //        bag = makeFullCollection();
95  //        writeExternalFormToDisk((java.io.Serializable) bag, "src/test/resources/data/test/UnmodifiableSortedBag.fullCollection.version4.obj");
96  //    }
97  
98  }