1   /*
2    * Copyright (C) 2012 The Guava Authors
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5    * in compliance with the License. You may obtain a copy of the License at
6    *
7    * http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software distributed under the License
10   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11   * or implied. See the License for the specific language governing permissions and limitations under
12   * the License.
13   */
14  
15  package com.google.common.collect.testing.google;
16  
17  import static com.google.common.collect.testing.Helpers.copyToList;
18  import static com.google.common.collect.testing.features.CollectionSize.ZERO;
19  import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
20  
21  import com.google.common.annotations.GwtCompatible;
22  import com.google.common.collect.ListMultimap;
23  import com.google.common.collect.testing.Helpers;
24  import com.google.common.collect.testing.features.CollectionSize;
25  import com.google.common.collect.testing.features.MapFeature;
26  
27  import java.util.List;
28  import java.util.Map.Entry;
29  
30  /**
31   * Testers for {@link ListMultimap#put(Object, Object)}.
32   *
33   * @author Louis Wasserman
34   */
35  @GwtCompatible
36  public class ListMultimapPutTester<K, V> extends AbstractListMultimapTester<K, V> {
37    // MultimapPutTester tests non-duplicate values, but ignores ordering
38  
39    @MapFeature.Require(SUPPORTS_PUT)
40    public void testPutAddsValueAtEnd() {
41      for (K key : sampleKeys()) {
42        for (V value : sampleValues()) {
43          resetContainer();
44  
45          List<V> values = multimap().get(key);
46          List<V> expectedValues = Helpers.copyToList(values);
47  
48          assertTrue(multimap().put(key, value));
49          expectedValues.add(value);
50  
51          assertGet(key, expectedValues);
52          assertEquals(value, values.get(values.size() - 1));
53        }
54      }
55    }
56  
57    @MapFeature.Require(SUPPORTS_PUT)
58    @CollectionSize.Require(absent = ZERO)
59    public void testPutDuplicateValue() {
60      List<Entry<K, V>> entries = copyToList(multimap().entries());
61  
62      for (Entry<K, V> entry : entries) {
63        resetContainer();
64  
65        K k = entry.getKey();
66        V v = entry.getValue();
67  
68        List<V> values = multimap().get(k);
69        List<V> expectedValues = copyToList(values);
70  
71        assertTrue(multimap().put(k, v));
72        expectedValues.add(v);
73        assertGet(k, expectedValues);
74        assertEquals(v, values.get(values.size() - 1));
75      }
76    }
77  }