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Java > Open Source Codes > org > objectweb > asm > ClassReaderUnitTest


1 /***
2  * ASM tests
3  * Copyright (c) 2002-2005 France Telecom
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
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9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the copyright holders nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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29  */
30 package org.objectweb.asm;
31
32 import java.io.IOException JavaDoc;
33 import java.io.InputStream JavaDoc;
34
35 import junit.framework.TestCase;
36
37 /**
38  * ClassReader unit tests.
39  *
40  * @author Eric Bruneton
41  * @author Eugene Kuleshov
42  */
43 public class ClassReaderUnitTest extends TestCase implements Opcodes {
44
45     public void testIllegalConstructorArgument() {
46         try {
47             new ClassReader((InputStream JavaDoc) null);
48             fail();
49         } catch (IOException JavaDoc e) {
50         }
51     }
52
53     public void testGetItem() throws IOException JavaDoc {
54         ClassReader cr = new ClassReader(getClass().getName());
55         int item = cr.getItem(1);
56         assertTrue(item >= 10);
57         assertTrue(item < cr.header);
58     }
59
60     public void testReadByte() throws IOException JavaDoc {
61         ClassReader cr = new ClassReader(getClass().getName());
62         assertEquals(cr.b[0] & 0xFF, cr.readByte(0));
63     }
64     
65     public void testGetAccess() throws Exception JavaDoc {
66         String JavaDoc name = getClass().getName();
67         assertEquals(Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, new ClassReader(name).getAccess());
68     }
69     
70     public void testGetClassName() throws Exception JavaDoc {
71         String JavaDoc name = getClass().getName();
72         assertEquals(name.replace('.', '/'), new ClassReader(name).getClassName());
73     }
74     
75     public void testGetSuperName() throws Exception JavaDoc {
76         assertEquals(TestCase.class.getName().replace('.', '/'), new ClassReader(getClass().getName()).getSuperName());
77         assertEquals(null, new ClassReader(Object JavaDoc.class.getName()).getSuperName());
78     }
79
80     public void testGetInterfaces() throws Exception JavaDoc {
81         String JavaDoc[] interfaces = new ClassReader(getClass().getName()).getInterfaces();
82         assertNotNull(interfaces);
83         assertEquals(1, interfaces.length);
84         assertEquals(Opcodes.class.getName().replace('.', '/'), interfaces[0]);
85         
86         interfaces = new ClassReader(Opcodes.class.getName()).getInterfaces();
87         assertNotNull(interfaces);
88     }
89 }
90
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