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      1 /*
      2  * Copyright (C) 2008 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.Map;
     24 
     25 /**
     26  * Test {@link Multimap#asMap()} for a {@link Multimaps#forMap} multimap with
     27  * {@link MapInterfaceTest}.
     28  *
     29  * @author Jared Levy
     30  */
     31 @GwtCompatible
     32 public class ForMapMultimapAsMapImplementsMapTest
     33     extends AbstractMultimapAsMapImplementsMapTest {
     34 
     35   public ForMapMultimapAsMapImplementsMapTest() {
     36     super(true, true, true);
     37   }
     38 
     39   @Override protected Map<String, Collection<Integer>> makeEmptyMap() {
     40     Map<String, Integer> map = Maps.newHashMap();
     41     return Multimaps.forMap(map).asMap();
     42   }
     43 
     44   @Override protected Map<String, Collection<Integer>> makePopulatedMap() {
     45     Map<String, Integer> map = Maps.newHashMap();
     46     map.put("foo", 1);
     47     map.put("bar", 2);
     48     map.put("cow", 3);
     49     return Multimaps.forMap(map).asMap();
     50   }
     51 
     52   @Override public void testEntrySetRemoveAllNullFromEmpty() {
     53     try {
     54       super.testEntrySetRemoveAllNullFromEmpty();
     55     } catch (RuntimeException tolerated) {
     56       // GWT's HashMap.entrySet().removeAll(null) doesn't throws NPE.
     57     }
     58   }
     59 
     60   @Override public void testEntrySetRetainAllNullFromEmpty() {
     61     try {
     62       super.testEntrySetRetainAllNullFromEmpty();
     63     } catch (RuntimeException tolerated) {
     64       // GWT's HashMap.entrySet().retainAll(null) doesn't throws NPE.
     65     }
     66   }
     67 
     68   @Override public void testKeySetRemoveAllNullFromEmpty() {
     69     try {
     70       super.testKeySetRemoveAllNullFromEmpty();
     71     } catch (RuntimeException tolerated) {
     72       // GWT's HashMap.keySet().removeAll(null) doesn't throws NPE.
     73     }
     74   }
     75 
     76   @Override public void testKeySetRetainAllNullFromEmpty() {
     77     try {
     78       super.testKeySetRetainAllNullFromEmpty();
     79     } catch (RuntimeException tolerated) {
     80       // GWT's HashMap.keySet().retainAll(null) doesn't throws NPE.
     81     }
     82   }
     83 
     84   @Override public void testValuesRemoveAllNullFromEmpty() {
     85     try {
     86       super.testValuesRemoveAllNullFromEmpty();
     87     } catch (RuntimeException tolerated) {
     88       // GWT's HashMap.values().removeAll(null) doesn't throws NPE.
     89     }
     90   }
     91 
     92   @Override public void testValuesRetainAllNullFromEmpty() {
     93     try {
     94       super.testValuesRemoveAllNullFromEmpty();
     95     } catch (RuntimeException tolerated) {
     96       // GWT's HashMap.values().retainAll(null) doesn't throws NPE.
     97     }
     98   }
     99 }
    100