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      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 java.util.Collections;
     20 
     21 /**
     22  * Unit test for {@link ForwardingMultimap}.
     23  *
     24  * @author Hayward Chan
     25  */
     26 public class ForwardingMultimapTest extends ForwardingTestCase {
     27 
     28   // Package-private so subclasses can access this variable.
     29   Multimap<String, Boolean> forward;
     30 
     31   @Override public void setUp() throws Exception {
     32     super.setUp();
     33     /*
     34      * Class parameters must be raw, so we can't create a proxy with generic
     35      * type arguments. The created proxy only records calls and returns null, so
     36      * the type is irrelevant at runtime.
     37      */
     38     @SuppressWarnings("unchecked")
     39     final Multimap<String, Boolean> multimap =
     40         createProxyInstance(Multimap.class);
     41     forward = new ForwardingMultimap<String, Boolean>() {
     42       @Override protected Multimap<String, Boolean> delegate() {
     43         return multimap;
     44       }
     45     };
     46   }
     47 
     48   public void testSize() {
     49     forward.size();
     50     assertEquals("[size]", getCalls());
     51   }
     52 
     53   public void testIsEmpty() {
     54     forward.isEmpty();
     55     assertEquals("[isEmpty]", getCalls());
     56   }
     57 
     58   public void testContainsKey_Object() {
     59     forward.containsKey("asdf");
     60     assertEquals("[containsKey(Object)]", getCalls());
     61   }
     62 
     63   public void testContainsValue_Object() {
     64     forward.containsValue("asdf");
     65     assertEquals("[containsValue(Object)]", getCalls());
     66   }
     67 
     68   public void testContainsEntry_Object_Object() {
     69     forward.containsEntry("asdf", false);
     70     assertEquals("[containsEntry(Object,Object)]", getCalls());
     71   }
     72 
     73   public void testPut_Key_Value() {
     74     forward.put("asdf", true);
     75     assertEquals("[put(Object,Object)]", getCalls());
     76   }
     77 
     78   public void testRemove_Key_Value() {
     79     forward.remove("asdf", false);
     80     assertEquals("[remove(Object,Object)]", getCalls());
     81   }
     82 
     83   public void testPutAll_Key_Iterable() {
     84     forward.remove("asfd", Collections.<Boolean>emptyList());
     85     assertEquals("[remove(Object,Object)]", getCalls());
     86   }
     87 
     88   public void testPutAll_Multimap() {
     89     forward.putAll(ArrayListMultimap.<String, Boolean>create());
     90     assertEquals("[putAll(Multimap)]", getCalls());
     91   }
     92 
     93   public void testReplaceValues_Key_Iterable() {
     94     forward.replaceValues("key", Collections.<Boolean>emptyList());
     95     assertEquals("[replaceValues(Object,Iterable)]", getCalls());
     96   }
     97 
     98   public void testRemoveAll_Object() {
     99     forward.removeAll("key");
    100     assertEquals("[removeAll(Object)]", getCalls());
    101   }
    102 
    103   public void testClear() {
    104     forward.clear();
    105     assertEquals("[clear]", getCalls());
    106   }
    107 
    108   public void testGet_Key() {
    109     forward.get(null);
    110     assertEquals("[get(Object)]", getCalls());
    111   }
    112 
    113   public void testKeySet() {
    114     forward.keySet();
    115     assertEquals("[keySet]", getCalls());
    116   }
    117 
    118   public void testKeys() {
    119     forward.keys();
    120     assertEquals("[keys]", getCalls());
    121   }
    122 
    123   public void testValues() {
    124     forward.values();
    125     assertEquals("[values]", getCalls());
    126   }
    127 
    128   public void testEntries() {
    129     forward.entries();
    130     assertEquals("[entries]", getCalls());
    131   }
    132 
    133   public void testAsMap() {
    134     forward.asMap();
    135     assertEquals("[asMap]", getCalls());
    136   }
    137 
    138   public void testEquals() {
    139     forward.equals(null);
    140     assertEquals("[equals(Object)]", getCalls());
    141   }
    142 
    143   public void testHashCode() {
    144     forward.hashCode();
    145     assertEquals("[hashCode]", getCalls());
    146   }
    147 
    148   public void testToString() {
    149     forward.toString();
    150     assertEquals("[toString]", getCalls());
    151   }
    152 }
    153