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1   /*
2    * Copyright 2007 Kasper B. Graversen
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  package org.supercsv.comment;
17  
18  import static org.junit.Assert.assertFalse;
19  import static org.junit.Assert.assertTrue;
20  
21  import java.util.regex.PatternSyntaxException;
22  
23  import org.junit.Test;
24  
25  /**
26   * Tests the CommentMatches comment matcher.
27   * 
28   * @author James Bassett
29   */
30  public class CommentMatchesTest {
31  	
32  	/**
33  	 * Tests the CommentMatches comment matcher.
34  	 */
35  	@Test
36  	public void testMatches() {
37  		CommentMatcher matcher = new CommentMatches("<!--.*-->");
38  		assertTrue(matcher.isComment("<!-- yep, it's a comment -->"));
39  		assertFalse(matcher.isComment("<not a comment>"));
40  	}
41  	
42  	/**
43  	 * Tests the CommentMatches constructor with a null regex.
44  	 */
45  	@Test(expected = NullPointerException.class)
46  	public void testMatchesConstructorWithNull() {
47  		new CommentMatches(null);
48  	}
49  	
50  	/**
51  	 * Tests the CommentMatches constructor with an empty String value.
52  	 */
53  	@Test(expected = IllegalArgumentException.class)
54  	public void testMatchesConstructorWithEmptyString() {
55  		new CommentMatches("");
56  	}
57  	
58  	/**
59  	 * Tests the CommentMatches constructor with an invalid regex.
60  	 */
61  	@Test(expected = PatternSyntaxException.class)
62  	public void testMatchesConstructorWithInvalidRegex() {
63  		new CommentMatches("*****");
64  	}
65  	
66  }