1   /*
2    * Copyright (C) 2012 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.google;
18  
19  import com.google.common.annotations.GwtCompatible;
20  import com.google.common.collect.Multimap;
21  import com.google.common.collect.testing.SampleElements;
22  import com.google.common.collect.testing.TestContainerGenerator;
23  
24  import java.util.Collection;
25  import java.util.Map;
26  
27  /**
28   * Creates multimaps, containing sample elements, to be tested.
29   *
30   * @author Louis Wasserman
31   */
32  @GwtCompatible
33  public interface TestMultimapGenerator<K, V, M extends Multimap<K, V>>
34      extends TestContainerGenerator<M, Map.Entry<K, V>> {
35  
36    K[] createKeyArray(int length);
37  
38    V[] createValueArray(int length);
39  
40    SampleElements<K> sampleKeys();
41  
42    SampleElements<V> sampleValues();
43  
44    Collection<V> createCollection(Iterable<? extends V> values);
45  }