01: /*
02: * Copyright (c) 2001-2007, Jean Tessier
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: *
09: * * Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: *
12: * * Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * * Neither the name of Jean Tessier nor the names of his contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: package com.jeantessier.classreader;
34:
35: import junit.framework.*;
36:
37: public class TestInstruction extends TestCase {
38: private Instruction instruction1;
39: private Instruction instruction2;
40: private Instruction instruction3;
41: private Instruction instruction4;
42: private Instruction instruction5;
43: private Instruction instruction6;
44: private Instruction instruction7;
45:
46: protected void setUp() throws Exception {
47: super .setUp();
48:
49: byte[] code1 = new byte[] { (byte) 0xB6, (byte) 0x00,
50: (byte) 0xFF };
51: byte[] code2 = new byte[] { (byte) 0x13, (byte) 0x01,
52: (byte) 0xCA };
53: byte[] code3 = new byte[] { (byte) 0xB6, (byte) 0x00,
54: (byte) 0xFF, (byte) 0x13, (byte) 0x01, (byte) 0xCA };
55: byte[] code4 = new byte[] { (byte) 0xB6, (byte) 0x00,
56: (byte) 0xFF, (byte) 0x13, (byte) 0x01, (byte) 0xCA };
57: byte[] code5 = new byte[] { (byte) 0x13, (byte) 0x01,
58: (byte) 0x74 };
59: byte[] code6 = new byte[] { (byte) 0xB1 };
60: byte[] code7 = new byte[] { (byte) 0x12, (byte) 0x74 };
61:
62: instruction1 = new Instruction(null, code1, 0);
63: instruction2 = new Instruction(null, code2, 0);
64: instruction3 = new Instruction(null, code3, 3);
65: instruction4 = new Instruction(null, code4, 0);
66: instruction5 = new Instruction(null, code5, 0);
67: instruction6 = new Instruction(null, code6, 0);
68: instruction7 = new Instruction(null, code7, 0);
69: }
70:
71: public void testEquals() {
72: assertEquals("same", instruction1, instruction1);
73: assertEquals("identical", instruction1, instruction4);
74: assertFalse("different opcode", instruction1
75: .equals(instruction2));
76: assertEquals("offset", instruction2, instruction3);
77: assertFalse("different index", instruction2
78: .equals(instruction5));
79: assertFalse("different size", instruction1.equals(instruction6));
80: }
81:
82: public void testGetIndex() {
83: assertEquals("Two-byte index", 255, instruction1.getIndex());
84: assertEquals("Two-byte index", 458, instruction2.getIndex());
85: assertEquals("Two-byte index", 458, instruction3.getIndex());
86: assertEquals("Two-byte index", 255, instruction4.getIndex());
87: assertEquals("Two-byte index", 372, instruction5.getIndex());
88: assertEquals("Non-index opcode", -1, instruction6.getIndex());
89: assertEquals("Single byte index", 116, instruction7.getIndex());
90: }
91: }
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