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Java > Open Source Codes > JFlex > tests > CharClassesTest


1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2  * JFlex 1.4.1 *
3  * Copyright (C) 1998-2004 Gerwin Klein <lsf@jflex.de> *
4  * All rights reserved. *
5  * *
6  * This program is free software; you can redistribute it and/or modify *
7  * it under the terms of the GNU General Public License. See the file *
8  * COPYRIGHT for more information. *
9  * *
10  * This program is distributed in the hope that it will be useful, *
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13  * GNU General Public License for more details. *
14  * *
15  * You should have received a copy of the GNU General Public License along *
16  * with this program; if not, write to the Free Software Foundation, Inc., *
17  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
18  * *
19  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
20
21 package JFlex.tests;
22
23 import JFlex.IntCharSet;
24 import JFlex.Interval;
25 import junit.framework.TestCase;
26
27 /**
28  * CharClassesTest
29  *
30  * @author Gerwin Klein
31  * @version $Revision: 1.6 $, $Date: 2004/11/06 23:03:30 $
32  */
33 public class CharClassesTest extends TestCase {
34
35   /**
36    * Constructor for CharClassesTest.
37    * @param arg0
38    */
39   public CharClassesTest(String JavaDoc arg0) {
40     super(arg0);
41   }
42
43   public void testAdd1() {
44     IntCharSet set = new IntCharSet(new Interval('a','h'));
45     set.add(new Interval('o','z'));
46     set.add(new Interval('A','Z'));
47     set.add(new Interval('h','o'));
48     assertEquals("{ ['A'-'Z']['a'-'z'] }", set.toString());
49   }
50
51   public void testAdd2() {
52     IntCharSet set = new IntCharSet(new Interval('a','h'));
53     set.add(new Interval('o','z'));
54     set.add(new Interval('A','Z'));
55     set.add(new Interval('i','n'));
56     assertEquals("{ ['A'-'Z']['a'-'z'] }", set.toString());
57   }
58
59   public void testAdd3() {
60     IntCharSet set = new IntCharSet(new Interval('a','h'));
61     set.add(new Interval('o','z'));
62     set.add(new Interval('A','Z'));
63     set.add(new Interval('a','n'));
64     assertEquals("{ ['A'-'Z']['a'-'z'] }", set.toString());
65   }
66   
67   public void testMergeLast() {
68     IntCharSet set = new IntCharSet(new Interval('a','k'));
69     assertEquals("{ ['a'-'k'] }", set.toString());
70     set.add('l');
71     assertEquals("{ ['a'-'l'] }", set.toString());
72   }
73
74   public void testAddChar() {
75     IntCharSet set = new IntCharSet(new Interval('a','h'));
76     set.add(new Interval('o','z'));
77     set.add('n');
78     set.add('k');
79     assertEquals("{ ['a'-'h']['k']['n'-'z'] }", set.toString());
80     set.add('i');
81     assertEquals("{ ['a'-'i']['k']['n'-'z'] }", set.toString());
82     set.add('j');
83     assertEquals("{ ['a'-'k']['n'-'z'] }", set.toString());
84     set.add(new Interval('l','m'));
85     assertEquals("{ ['a'-'z'] }", set.toString());
86   }
87
88   public void testCopy() {
89     IntCharSet set = new IntCharSet(new Interval('a','z'));
90     IntCharSet copy = set.copy();
91     Interval i = set.getNext();
92     i.end = 'h';
93     assertEquals("{ ['a'-'h'] }", set.toString());
94     assertEquals("{ ['a'-'z'] }", copy.toString());
95   }
96
97   public void testCaseless() {
98     IntCharSet set = new IntCharSet(new Interval('a','c'));
99     set.add(new Interval('h','o'));
100     assertEquals("{ ['A'-'C']['H'-'O']['a'-'c']['h'-'o'] }",
101                  set.getCaseless().toString());
102   }
103 }
104
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