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
17package com.google.common.collect;
18
19import com.google.common.annotations.GwtCompatible;
20import com.google.common.collect.testing.MapInterfaceTest;
21
22import java.util.Collection;
23import java.util.Collections;
24import java.util.Map;
25
26/**
27 * Test {@code TreeMultimap.asMap().subMap()} with {@link MapInterfaceTest}.
28 *
29 * @author Jared Levy
30 */
31@GwtCompatible
32public class SubMapMultimapAsMapImplementsMapTest
33    extends AbstractMultimapAsMapImplementsMapTest {
34
35  public SubMapMultimapAsMapImplementsMapTest() {
36    super(true, true, true);
37  }
38
39  private TreeMultimap<String, Integer> createMultimap() {
40    TreeMultimap<String, Integer> multimap
41        = TreeMultimap.create(Ordering.<String>natural().nullsFirst(),
42            Ordering.<Integer>natural().nullsFirst());
43    multimap.put("a", -1);
44    multimap.put("a", -3);
45    multimap.put("z", -2);
46    return multimap;
47  }
48
49  @Override protected Map<String, Collection<Integer>> makeEmptyMap() {
50    return createMultimap().asMap().subMap("e", "p");
51  }
52
53  @Override protected Map<String, Collection<Integer>> makePopulatedMap() {
54    TreeMultimap<String, Integer> multimap = createMultimap();
55    multimap.put("f", 1);
56    multimap.put("f", 2);
57    multimap.put("g", 3);
58    multimap.put("h", 4);
59    return multimap.asMap().subMap("e", "p");
60  }
61
62  @Override protected String getKeyNotInPopulatedMap() {
63    return "a";
64  }
65
66  @Override protected Collection<Integer> getValueNotInPopulatedMap() {
67    return Collections.singleton(-2);
68  }
69
70  @Override public void testEntrySetRemoveAllNullFromEmpty() {
71    try {
72      super.testEntrySetRemoveAllNullFromEmpty();
73    } catch (RuntimeException tolerated) {
74      // GWT's TreeMap.entrySet().removeAll(null) doesn't throws NPE.
75    }
76  }
77
78  @Override public void testEntrySetRetainAllNullFromEmpty() {
79    try {
80      super.testEntrySetRetainAllNullFromEmpty();
81    } catch (RuntimeException tolerated) {
82      // GWT's TreeMap.entrySet().retainAll(null) doesn't throws NPE.
83    }
84  }
85
86  @Override public void testKeySetRemoveAllNullFromEmpty() {
87    try {
88      super.testKeySetRemoveAllNullFromEmpty();
89    } catch (RuntimeException tolerated) {
90      // GWT's TreeMap.keySet().removeAll(null) doesn't throws NPE.
91    }
92  }
93
94  @Override public void testKeySetRetainAllNullFromEmpty() {
95    try {
96      super.testKeySetRetainAllNullFromEmpty();
97    } catch (RuntimeException tolerated) {
98      // GWT's TreeMap.keySet().retainAll(null) doesn't throws NPE.
99    }
100  }
101
102  @Override public void testValuesRemoveAllNullFromEmpty() {
103    try {
104      super.testValuesRemoveAllNullFromEmpty();
105    } catch (RuntimeException tolerated) {
106      // GWT's TreeMap.values().removeAll(null) doesn't throws NPE.
107    }
108  }
109
110  @Override public void testValuesRetainAllNullFromEmpty() {
111    try {
112      super.testValuesRemoveAllNullFromEmpty();
113    } catch (RuntimeException tolerated) {
114      // GWT's TreeMap.values().retainAll(null) doesn't throws NPE.
115    }
116  }
117}
118