1 /* Reattore HTTP Server
2
3 Copyright (C) 2002 Michael Hope <michaelh@juju.net.nz>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
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
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 $Id: TestPushbackArray.java,v 1.3 2003/01/21 22:43:13 michaelh Exp $
20 */
21
22 package test.juju.reattore.util;
23
24 import junit.framework.*;
25 import juju.reattore.util.PushbackArray;
26
27 public class TestPushbackArray
28 extends TestCase {
29
30 private PushbackArray pb = new PushbackArray();
31
32 public void testRead() {
33 pb.seed(new byte[] { 1, 2, 3, 4, 5 });
34
35 assertEquals(1, pb.get());
36 assertEquals(2, pb.get());
37 assertEquals(3, pb.get());
38 assertEquals(4, pb.get());
39 assertEquals(5, pb.get());
40 assertEquals(PushbackArray.EOF, pb.get());
41 }
42
43 public void testPushback() {
44 pb.seed(new byte[] { 1, 2, 3, 4, 5 });
45
46 assertEquals(1, pb.get());
47 assertEquals(2, pb.get());
48 assertEquals(3, pb.get());
49
50 pb.pushback(17);
51 assertEquals(17, pb.get());
52
53 assertEquals(4, pb.get());
54
55 pb.pushback(17);
56 assertEquals(17, pb.get());
57
58 assertEquals(5, pb.get());
59 assertEquals(PushbackArray.EOF, pb.get());
60 }
61
62 public void testAtEOF() {
63 pb.seed(new byte[] { 1, 2 });
64
65 assertEquals(1, pb.get());
66 assertEquals(2, pb.get());
67 assertEquals(PushbackArray.EOF, pb.get());
68
69 pb.pushback(17);
70 assertEquals(17, pb.get());
71 assertEquals(PushbackArray.EOF, pb.get());
72 }
73
74 public void testOnEmpty() {
75 assertEquals(PushbackArray.EOF, pb.get());
76 }
77
78 public void testAcrossSeed() {
79 pb.seed(new byte[] { 1, 2 });
80
81 assertEquals(1, pb.get());
82
83 pb.pushback(992);
84
85 pb.seed(new byte[] { 12, 14 });
86 assertEquals(992, pb.get());
87 assertEquals(12, pb.get());
88 assertEquals(14, pb.get());
89 }
90
91 public static Test suite() {
92 return new TestSuite(TestPushbackArray.class);
93 }
94 }
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