Coverage Summary for Class: MultisetFeature (com.google.common.collect.testing.google)

1 /*
2  * Copyright (C) 2013 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.testing.google;
18 
19 import com.google.common.annotations.GwtCompatible;
20 import com.google.common.collect.Multiset;
21 import com.google.common.collect.testing.features.Feature;
22 import com.google.common.collect.testing.features.TesterAnnotation;
23 import java.lang.annotation.Inherited;
24 import java.lang.annotation.Retention;
25 import java.lang.annotation.RetentionPolicy;
26 import java.util.Collections;
27 import java.util.Set;
28 
29 /**
30  * Optional features of classes derived from {@link Multiset}.
31  *
32  * @author Louis Wasserman
33  */
34 @GwtCompatible
35 public enum MultisetFeature implements Feature<Multiset> {
36   /**
37    * Indicates that elements from {@code Multiset.entrySet()} update to reflect changes in the
38    * backing multiset.
39    */
40   ENTRIES_ARE_VIEWS;
41 
42   @Override
43   public Set<Feature<? super Multiset>> getImpliedFeatures() {
44     return Collections.emptySet();
45   }
46 
47   @Retention(RetentionPolicy.RUNTIME)
48   @Inherited
49   @TesterAnnotation
50   public @interface Require {
51     public abstract MultisetFeature[] value() default {};
52 
53     public abstract MultisetFeature[] absent() default {};
54   }
55 }