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Java > Open Source Codes > org > columba > ristretto > message > io > SequenceInputStreamTest


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Mozilla Public License Version
5  * 1.1 (the "License"); you may not use this file except in compliance with
6  * the License. You may obtain a copy of the License at
7  * http://www.mozilla.org/MPL/
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9  * Software distributed under the License is distributed on an "AS IS" basis,
10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11  * for the specific language governing rights and limitations under the
12  * License.
13  *
14  * The Original Code is Ristretto Mail API.
15  *
16  * The Initial Developers of the Original Code are
17  * Timo Stich and Frederik Dietz.
18  * Portions created by the Initial Developers are Copyright (C) 2004
19  * All Rights Reserved.
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21  * Contributor(s):
22  *
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25  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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35  * ***** END LICENSE BLOCK ***** */
36 package org.columba.ristretto.message.io;
37
38 import java.io.ByteArrayInputStream JavaDoc;
39 import java.io.IOException JavaDoc;
40 import java.util.ArrayList JavaDoc;
41 import java.util.List JavaDoc;
42
43 import org.columba.ristretto.io.SequenceInputStream;
44
45 import junit.framework.TestCase;
46
47 public class SequenceInputStreamTest extends TestCase {
48
49     protected List JavaDoc createStreams() {
50         List JavaDoc streams = new ArrayList JavaDoc();
51         streams.add(new ByteArrayInputStream JavaDoc("This ".getBytes()));
52         streams.add(new ByteArrayInputStream JavaDoc("is ".getBytes()));
53         streams.add(new ByteArrayInputStream JavaDoc("a ".getBytes()));
54         streams.add(new ByteArrayInputStream JavaDoc("test".getBytes()));
55
56         return streams;
57     }
58
59     public void testConstructor() throws IOException JavaDoc {
60         SequenceInputStream in =
61             new SequenceInputStream(
62                 new ByteArrayInputStream JavaDoc("This ".getBytes()),
63                 new ByteArrayInputStream JavaDoc("is ".getBytes()));
64         
65         assertTrue(in.available() == 8);
66     }
67
68     public void testAvailable() throws IOException JavaDoc {
69         List JavaDoc streams = createStreams();
70         SequenceInputStream in = new SequenceInputStream(streams);
71         assertTrue(in.available() == 14);
72
73     }
74
75     public void testRead1() throws IOException JavaDoc {
76         List JavaDoc streams = createStreams();
77         SequenceInputStream in = new SequenceInputStream(streams);
78         assertTrue(in.read() == 'T');
79         assertTrue(in.read() == 'h');
80         assertTrue(in.read() == 'i');
81         assertTrue(in.read() == 's');
82         assertTrue(in.read() == ' ');
83         assertTrue(in.read() == 'i');
84         assertTrue(in.read() == 's');
85         assertTrue(in.read() == ' ');
86         assertTrue(in.read() == 'a');
87     }
88
89     public void testReadEOF1() throws IOException JavaDoc {
90         List JavaDoc streams = createStreams();
91         SequenceInputStream in = new SequenceInputStream(streams);
92         for (int i = 0; i < 14; i++) {
93             in.read();
94         }
95
96         assertTrue(in.read() == -1);
97     }
98
99     public void testRead2() throws IOException JavaDoc {
100         List JavaDoc streams = createStreams();
101         SequenceInputStream in = new SequenceInputStream(streams);
102         byte[] buffer = new byte[14];
103         assertTrue(in.read(buffer) == 14);
104     }
105
106     public void testEOF2() throws IOException JavaDoc {
107         List JavaDoc streams = createStreams();
108         SequenceInputStream in = new SequenceInputStream(streams);
109         byte[] buffer = new byte[20];
110         assertTrue(in.read(buffer) == 14);
111     }
112
113     public void testEOF3() throws IOException JavaDoc {
114         List JavaDoc streams = createStreams();
115         SequenceInputStream in = new SequenceInputStream(streams);
116         byte[] buffer = new byte[14];
117         assertTrue(in.read(buffer) == 14);
118         assertTrue(in.read(buffer) == -1);
119     }
120
121     public void testSkip1() throws IOException JavaDoc {
122         List JavaDoc streams = createStreams();
123         SequenceInputStream in = new SequenceInputStream(streams);
124         in.skip(10);
125         assertTrue(in.read() == 't');
126         assertTrue(in.read() == 'e');
127         assertTrue(in.read() == 's');
128         assertTrue(in.read() == 't');
129     }
130 }
131
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