1 package org.apache.maven.scm;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.Collection;
23
24 import org.hamcrest.Description;
25 import org.hamcrest.Matcher;
26 import org.hamcrest.TypeSafeMatcher;
27
28 public class CollectionSizeMatcher<T>
29 extends TypeSafeMatcher<Iterable<T>>
30 {
31
32 private int size;
33
34 public CollectionSizeMatcher( int size )
35 {
36 this.size = size;
37 }
38
39 @Override
40 public boolean matchesSafely( Iterable<T> iterable )
41 {
42 Collection collection = (Collection) iterable;
43 return collection.size() == this.size;
44
45 }
46
47 public void describeTo( Description desc )
48 {
49 desc.appendText( "with size " );
50 desc.appendValue( size );
51
52 }
53
54
55 public static <T> Matcher<Iterable<T>> size( int length, Class<T> clazz )
56 {
57 return new CollectionSizeMatcher<T>( length);
58 }
59 }