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