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.testing.testers;
18  
19  import com.google.common.annotations.GwtCompatible;
20  import com.google.common.collect.testing.AbstractMapTester;
21  
22  /**
23   * A generic JUnit test which tests {@code size()} operations on a map.
24   * Can't be invoked directly; please see
25   * {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
26   *
27   * @author George van den Driessche
28   */
29  @GwtCompatible
30  public class MapSizeTester<K, V> extends AbstractMapTester<K, V> {
31    public void testSize() {
32      assertEquals("size():", getNumElements(), getMap().size());
33    }
34  }