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Java > Open Source Codes > com > jeantessier > classreader > TestSymbolGatherer


1 /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * 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 java.io.*;
36 import java.util.*;
37
38 import junit.framework.*;
39
40 import org.apache.log4j.*;
41
42 public class TestSymbolGatherer extends TestCase {
43     public static final String JavaDoc TEST_CLASS = "test";
44     public static final String JavaDoc TEST_FILENAME = "classes" + File.separator + "test.class";
45     
46     private SymbolGatherer gatherer;
47     private ClassfileLoader loader;
48
49     protected void setUp() throws Exception JavaDoc {
50         super.setUp();
51         
52         gatherer = new SymbolGatherer();
53         loader = new AggregatingClassfileLoader();
54         loader.addLoadListener(new LoadListenerVisitorAdapter(gatherer));
55     }
56
57     public void testEmpty() {
58         assertEquals("Different number of symbols", 0, gatherer.getCollection().size());
59     }
60     
61     public void testOnOneClass() throws IOException {
62         loader.load(Collections.singleton(TEST_FILENAME));
63
64         assertTrue("Missing test class name from " + gatherer.getCollection(), gatherer.getCollection().contains("test"));
65         assertTrue("Missing test.main() method from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[])"));
66         assertTrue("Missing args parameter from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[]): args"));
67         assertTrue("Missing c local variable from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[]): c"));
68         assertTrue("Missing ex local variable from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[]): ex"));
69         assertTrue("Missing test.test() method from " + gatherer.getCollection(), gatherer.getCollection().contains("test.test()"));
70         assertTrue("Missing this parameter from " + gatherer.getCollection(), gatherer.getCollection().contains("test.test(): this"));
71         assertEquals("Different number of symbols in " + gatherer.getCollection(), 7, gatherer.getCollection().size());
72     }
73     
74     public void testClassNamesOnly() throws IOException {
75         gatherer.setCollectingClassNames(true);
76         gatherer.setCollectingFieldNames(false);
77         gatherer.setCollectingMethodNames(false);
78         gatherer.setCollectingLocalNames(false);
79         
80         loader.load(Collections.singleton(TEST_FILENAME));
81
82         assertTrue("Missing test class name from " + gatherer.getCollection(), gatherer.getCollection().contains("test"));
83         assertEquals("Different number of symbols in " + gatherer.getCollection(), 1, gatherer.getCollection().size());
84     }
85     
86     public void testMethodNamesOnly() throws IOException {
87         gatherer.setCollectingClassNames(false);
88         gatherer.setCollectingFieldNames(false);
89         gatherer.setCollectingMethodNames(true);
90         gatherer.setCollectingLocalNames(false);
91         
92         loader.load(Collections.singleton(TEST_FILENAME));
93
94         assertTrue("Missing test.main() method from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[])"));
95         assertTrue("Missing test.test() method from " + gatherer.getCollection(), gatherer.getCollection().contains("test.test()"));
96         assertEquals("Different number of symbols in " + gatherer.getCollection(), 2, gatherer.getCollection().size());
97     }
98     
99     public void testLocalNamesOnly() throws IOException {
100         gatherer.setCollectingClassNames(false);
101         gatherer.setCollectingFieldNames(false);
102         gatherer.setCollectingMethodNames(false);
103         gatherer.setCollectingLocalNames(true);
104         
105         loader.load(Collections.singleton(TEST_FILENAME));
106
107         assertTrue("Missing args parameter from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[]): args"));
108         assertTrue("Missing c local variable from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[]): c"));
109         assertTrue("Missing ex local variable from " + gatherer.getCollection(), gatherer.getCollection().contains("test.main(java.lang.String[]): ex"));
110         assertTrue("Missing this parameter from " + gatherer.getCollection(), gatherer.getCollection().contains("test.test(): this"));
111         assertEquals("Different number of symbols in " + gatherer.getCollection(), 4, gatherer.getCollection().size());
112     }
113 }
114
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