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1
15 package hivemind.test.services;
16
17 import java.io.IOException  ;
18 import java.io.ObjectInput ;
19 import java.io.ObjectInputStream ;
20 import java.lang.reflect.Method ;
21 import java.sql.SQLException ;
22
23 import org.apache.hivemind.service.MethodSignature;
24 import org.apache.hivemind.test.HiveMindTestCase;
25
26
31 public class TestMethodSignature extends HiveMindTestCase
32 {
33 private MethodSignature find(Class sourceClass, String methodName)
34 {
35 Method [] methods = sourceClass.getMethods();
36
37 for (int i = 0; i < methods.length; i++)
38 {
39 Method m = methods[i];
40
41 if (m.getName().equals(methodName))
42 return new MethodSignature(m);
43 }
44
45 unreachable();
46 return null;
47 }
48
49 public void testEqualsAndHashCode()
50 {
51 MethodSignature m1 = find(Object .class, "hashCode");
52 MethodSignature m2 = find(Boolean .class, "hashCode");
53
54 assertEquals(m1.hashCode(), m2.hashCode());
55 assertTrue(m1.equals(m2));
56
57 m1 = find(String .class, "charAt");
58 m2 = find(StringBuffer .class, "charAt");
59
60 assertEquals(m1.hashCode(), m2.hashCode());
61 assertTrue(m1.equals(m2));
62
63 m1 = find(ObjectInput .class, "close");
64 m2 = find(ObjectInputStream .class, "close");
65
66 assertEquals(m1.hashCode(), m2.hashCode());
67 assertTrue(m1.equals(m2));
68 }
69
70 public void testEqualsAndHashCodeWithNulls()
71 {
72 MethodSignature m1 = new MethodSignature(void.class, "foo", null, null);
73 MethodSignature m2 = new MethodSignature(void.class, "foo", new Class [0], new Class [0]);
74
75 assertEquals(m1, m2);
76 assertEquals(m2, m1);
77
78 assertEquals(m1.hashCode(), m2.hashCode());
79 }
80
81
82
83 public void testEqualsNameMismatch()
84 {
85 MethodSignature m1 = new MethodSignature(void.class, "foo", null, null);
86 MethodSignature m2 = new MethodSignature(void.class, "bar", null, null);
87
88 assertEquals(false, m1.equals(m2));
89 }
90
91
92 public void testParametersMismatch()
93 {
94 MethodSignature m1 = new MethodSignature(void.class, "foo", new Class []
95 { String .class }, null);
96 MethodSignature m2 = new MethodSignature(void.class, "foo", new Class []
97 { Boolean .class }, null);
98
99 assertEquals(false, m1.equals(m2));
100 }
101
102
103
104 public void testEqualsNull()
105 {
106 MethodSignature m1 = new MethodSignature(void.class, "foo", null, null);
107
108 assertEquals(false, m1.equals(null));
109 }
110
111
112
113 public void testEqualsNonMethodSignature()
114 {
115 MethodSignature m1 = new MethodSignature(void.class, "foo", null, null);
116
117 assertEquals(false, m1.equals("Method Signature"));
118 }
119
120 public void testToString()
121 {
122 MethodSignature m = find(String .class, "getChars");
123
124 assertEquals("void getChars(int, int, char[], int)", m.toString());
125
126 m = find(Class .class, "newInstance");
127
128 assertEquals(
129 "java.lang.Object newInstance() throws java.lang.InstantiationException, java.lang.IllegalAccessException",
130 m.toString());
131 }
132
133
134 public void testGetUniqueId()
135 {
136 MethodSignature m = find(String .class, "getChars");
137
138 assertEquals("getChars(int,int,char[],int)", m.getUniqueId());
139
140 m = find(Class .class, "newInstance");
141
142 assertEquals("newInstance()", m.getUniqueId());
143 }
144
145
146
147 public void testOverridingSigTypeMismatch()
148 {
149 MethodSignature m1 = new MethodSignature(void.class, "foo", null, null);
150 MethodSignature m2 = new MethodSignature(int.class, "foo", null, null);
151
152 assertEquals(false, m1.isOverridingSignatureOf(m2));
153 }
154
155
156
157 public void testOverridingSigNameMismatch()
158 {
159 MethodSignature m1 = new MethodSignature(void.class, "foo", null, null);
160 MethodSignature m2 = new MethodSignature(void.class, "bar", null, null);
161
162 assertEquals(false, m1.isOverridingSignatureOf(m2));
163 }
164
165
166
167 public void testOverridingSigParametersMismatch()
168 {
169 MethodSignature m1 = new MethodSignature(void.class, "foo", null, null);
170 MethodSignature m2 = new MethodSignature(void.class, "foo", new Class []
171 { String .class }, null);
172
173 assertEquals(false, m1.isOverridingSignatureOf(m2));
174 }
175
176
177
178 public void testOverridingSig()
179 {
180 MethodSignature m1 = new MethodSignature(void.class, "close", null, new Class []
181 { Exception .class });
182 MethodSignature m2 = new MethodSignature(void.class, "close", null, new Class []
183 { RuntimeException .class });
184
185 assertEquals(true, m1.isOverridingSignatureOf(m2));
186 assertEquals(false, m2.isOverridingSignatureOf(m1));
187 }
188
189
194 public void testOverridingSigShortcut()
195 {
196 MethodSignature m1 = new MethodSignature(void.class, "close", null, null);
197 MethodSignature m2 = new MethodSignature(void.class, "close", null, new Class []
198 { RuntimeException .class });
199
200 assertEquals(false, m1.isOverridingSignatureOf(m2));
201 assertEquals(true, m2.isOverridingSignatureOf(m1));
202 }
203
204
209 public void testMultipleExceptionsToMatch()
210 {
211 MethodSignature m1 = new MethodSignature(void.class, "close", null, new Class []
212 { SQLException .class, NumberFormatException .class });
213 MethodSignature m2 = new MethodSignature(void.class, "close", null, new Class []
214 { SQLException .class, IOException .class });
215
216 assertEquals(false, m1.isOverridingSignatureOf(m2));
217 assertEquals(false, m2.isOverridingSignatureOf(m1));
218 }
219 } |
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