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

1 /*
2  * Copyright (C) 2007 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.testers;
18 
19 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
20 
21 import com.google.common.annotations.GwtCompatible;
22 import com.google.common.collect.testing.AbstractMapTester;
23 import com.google.common.collect.testing.features.CollectionSize;
24 import org.junit.Ignore;
25 
26 /**
27  * A generic JUnit test which tests {@code isEmpty()} operations on a map. Can't be invoked
28  * directly; please see {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
29  *
30  * @author Kevin Bourrillion
31  */
32 @GwtCompatible
33 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
34 public class MapIsEmptyTester<K, V> extends AbstractMapTester<K, V> {
35   @CollectionSize.Require(ZERO)
36   public void testIsEmpty_yes() {
37     assertTrue("isEmpty() should return true", getMap().isEmpty());
38   }
39 
40   @CollectionSize.Require(absent = ZERO)
41   public void testIsEmpty_no() {
42     assertFalse("isEmpty() should return false", getMap().isEmpty());
43   }
44 }