Coverage Summary for Class: TestUnhashableCollectionGenerator (com.google.common.collect.testing)

1 /*
2  * Copyright (C) 2009 The Guava Authors
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.google.common.collect.testing;
18 
19 import com.google.common.annotations.GwtCompatible;
20 import com.google.common.collect.testing.SampleElements.Unhashables;
21 import java.util.Collection;
22 import java.util.List;
23 
24 /**
25  * Creates collections containing unhashable sample elements, to be tested.
26  *
27  * @author Regina O'Dell
28  */
29 @GwtCompatible
30 public abstract class TestUnhashableCollectionGenerator<T extends Collection<UnhashableObject>>
31     implements TestCollectionGenerator<UnhashableObject> {
32   @Override
33   public SampleElements<UnhashableObject> samples() {
34     return new Unhashables();
35   }
36 
37   @Override
38   public T create(Object... elements) {
39     UnhashableObject[] array = createArray(elements.length);
40     int i = 0;
41     for (Object e : elements) {
42       array[i++] = (UnhashableObject) e;
43     }
44     return create(array);
45   }
46 
47   /**
48    * Creates a new collection containing the given elements; implement this method instead of {@link
49    * #create(Object...)}.
50    */
51   protected abstract T create(UnhashableObject[] elements);
52 
53   @Override
54   public UnhashableObject[] createArray(int length) {
55     return new UnhashableObject[length];
56   }
57 
58   @Override
59   public Iterable<UnhashableObject> order(List<UnhashableObject> insertionOrder) {
60     return insertionOrder;
61   }
62 }