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 
17 package com.google.common.collect;
18 
19 import com.google.common.annotations.GwtCompatible;
20 import com.google.common.collect.testing.MapInterfaceTest;
21 
22 import java.util.Collection;
23 import java.util.Collections;
24 import java.util.Map;
25 
26 /**
27  * Test {@code TreeMultimap.asMap().subMap()} with {@link MapInterfaceTest}.
28  *
29  * @author Jared Levy
30  */
31 @GwtCompatible
32 public class SubMapMultimapAsMapImplementsMapTest
33     extends AbstractMultimapAsMapImplementsMapTest {
34 
SubMapMultimapAsMapImplementsMapTest()35   public SubMapMultimapAsMapImplementsMapTest() {
36     super(true, true, true);
37   }
38 
createMultimap()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 
makeEmptyMap()49   @Override protected Map<String, Collection<Integer>> makeEmptyMap() {
50     return createMultimap().asMap().subMap("e", "p");
51   }
52 
makePopulatedMap()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 
getKeyNotInPopulatedMap()62   @Override protected String getKeyNotInPopulatedMap() {
63     return "a";
64   }
65 
getValueNotInPopulatedMap()66   @Override protected Collection<Integer> getValueNotInPopulatedMap() {
67     return Collections.singleton(-2);
68   }
69 
testEntrySetRemoveAllNullFromEmpty()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 
testEntrySetRetainAllNullFromEmpty()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 
testKeySetRemoveAllNullFromEmpty()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 
testKeySetRetainAllNullFromEmpty()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 
testValuesRemoveAllNullFromEmpty()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 
testValuesRetainAllNullFromEmpty()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