1   /*
2    * Copyright (C) 2007 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.Colliders;
21  
22  import java.util.List;
23  
24  /**
25   * A generator using sample elements whose hash codes all collide badly.
26   *
27   * @author Kevin Bourrillion
28   */
29  @GwtCompatible
30  public abstract class TestCollidingSetGenerator
31      implements TestSetGenerator<Object> {
32    @Override
33    public SampleElements<Object> samples() {
34      return new Colliders();
35    }
36  
37    @Override
38    public Object[] createArray(int length) {
39      return new Object[length];
40    }
41  
42    /** Returns the original element list, unchanged. */
43    @Override
44    public List<Object> order(List<Object> insertionOrder) {
45      return insertionOrder;
46    }
47  }