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Java > Open Source Codes > org > w3c > tidy > StreamInImplTest


1 /*
2  * Java HTML Tidy - JTidy
3  * HTML parser and pretty printer
4  *
5  * Copyright (c) 1998-2000 World Wide Web Consortium (Massachusetts
6  * Institute of Technology, Institut National de Recherche en
7  * Informatique et en Automatique, Keio University). All Rights
8  * Reserved.
9  *
10  * Contributing Author(s):
11  *
12  * Dave Raggett <dsr@w3.org>
13  * Andy Quick <ac.quick@sympatico.ca> (translation to Java)
14  * Gary L Peskin <garyp@firstech.com> (Java development)
15  * Sami Lempinen <sami@lempinen.net> (release management)
16  * Fabrizio Giustina <fgiust at users.sourceforge.net>
17  *
18  * The contributing author(s) would like to thank all those who
19  * helped with testing, bug fixes, and patience. This wouldn't
20  * have been possible without all of you.
21  *
22  * COPYRIGHT NOTICE:
23  *
24  * This software and documentation is provided "as is," and
25  * the copyright holders and contributing author(s) make no
26  * representations or warranties, express or implied, including
27  * but not limited to, warranties of merchantability or fitness
28  * for any particular purpose or that the use of the software or
29  * documentation will not infringe any third party patents,
30  * copyrights, trademarks or other rights.
31  *
32  * The copyright holders and contributing author(s) will not be
33  * liable for any direct, indirect, special or consequential damages
34  * arising out of any use of the software or documentation, even if
35  * advised of the possibility of such damage.
36  *
37  * Permission is hereby granted to use, copy, modify, and distribute
38  * this source code, or portions hereof, documentation and executables,
39  * for any purpose, without fee, subject to the following restrictions:
40  *
41  * 1. The origin of this source code must not be misrepresented.
42  * 2. Altered versions must be plainly marked as such and must
43  * not be misrepresented as being the original source.
44  * 3. This Copyright notice may not be removed or altered from any
45  * source or altered source distribution.
46  *
47  * The copyright holders and contributing author(s) specifically
48  * permit, without fee, and encourage the use of this source code
49  * as a component for supporting the Hypertext Markup Language in
50  * commercial products. If you use this source code in a product,
51  * acknowledgment is not required but would be appreciated.
52  *
53  */
54 package org.w3c.tidy;
55
56 import java.io.ByteArrayInputStream JavaDoc;
57 import java.io.InputStream JavaDoc;
58
59 import junit.framework.TestCase;
60
61
62 /**
63  * @author Fabrizio Giustina
64  * @version $Revision: 1.6 $ ($Author: fgiust $)
65  */
66 public class StreamInImplTest extends TestCase
67 {
68
69     /**
70      * test instance.
71      */
72     private StreamInImpl in;
73
74     /**
75      * Lexer instance saved in StreamInImpl.
76      */
77     private Lexer lexer;
78
79     /**
80      * @see junit.framework.TestCase#setUp()
81      */
82     protected void setUp() throws Exception JavaDoc
83     {
84         super.setUp();
85
86         InputStream JavaDoc stream = new ByteArrayInputStream JavaDoc(new byte[]{0});
87
88         Report report = new Report();
89         Configuration configuration = new Configuration(report);
90         configuration.setInCharEncodingName("US-ASCII");
91         in = new StreamInImpl(stream, configuration);
92
93         lexer = new Lexer(in, configuration, report);
94         lexer.configuration = configuration;
95         in.setLexer(lexer);
96     }
97
98     /**
99      * test readChar() with ascii encoding.
100      */
101     public final void testReadCharFromStreamAscii()
102     {
103         InputStream JavaDoc stream = new ByteArrayInputStream JavaDoc(new byte[]{97, 97, 97});
104
105         Report report = new Report();
106         Configuration configuration = new Configuration(report);
107         configuration.setInCharEncodingName("US-ASCII");
108         in = new StreamInImpl(stream, configuration);
109         in.setLexer(lexer);
110
111         char thechar = (char) in.readCharFromStream();
112         assertEquals('a', thechar);
113         thechar = (char) in.readCharFromStream();
114         assertEquals('a', thechar);
115     }
116
117     /**
118      * test readChar() with UTF16 encoding and no BOM.
119      */
120     public final void testReadCharFromStreamUTF16()
121     {
122         InputStream JavaDoc stream = new ByteArrayInputStream JavaDoc(new byte[]{00, 97, 00, 97});
123
124         Report report = new Report();
125         Configuration configuration = new Configuration(report);
126         configuration.setInCharEncodingName("utf16be");
127         in = new StreamInImpl(stream, configuration);
128         in.setLexer(lexer);
129
130         char thechar = (char) in.readCharFromStream();
131         assertEquals('a', thechar);
132         thechar = (char) in.readCharFromStream();
133         assertEquals('a', thechar);
134     }
135
136     /**
137      * test readChar() with UTF16 encoding and BE BOM.
138      */
139     public final void testReadCharFromStreamUTF16WithBOMLE()
140     {
141         InputStream JavaDoc stream = new ByteArrayInputStream JavaDoc(new byte[]{-1, -2, 97, 00});
142
143         Report report = new Report();
144         Configuration configuration = new Configuration(report);
145         configuration.setInCharEncodingName("utf16");
146         in = new StreamInImpl(stream, configuration);
147         in.setLexer(lexer);
148
149         char thechar = (char) in.readCharFromStream();
150         assertEquals(EncodingUtils.UNICODE_BOM, thechar);
151         thechar = (char) in.readCharFromStream();
152         assertEquals('a', thechar);
153     }
154
155     /**
156      * test readChar() with UTF16 encoding and LE BOM.
157      */
158     public final void testReadCharFromStreamUTF16WithBOMBE()
159     {
160         InputStream JavaDoc stream = new ByteArrayInputStream JavaDoc(new byte[]{-2, -1, 00, 97});
161
162         Report report = new Report();
163         Configuration configuration = new Configuration(report);
164         configuration.setInCharEncodingName("utf16");
165         in = new StreamInImpl(stream, configuration);
166         in.setLexer(lexer);
167
168         char thechar = (char) in.readCharFromStream();
169         assertEquals(EncodingUtils.UNICODE_BOM, thechar);
170         thechar = (char) in.readCharFromStream();
171         assertEquals('a', thechar);
172     }
173
174 }
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