1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
|
/*******************************************************************************
* Copyright (c) 2011, 2013 Andrew Gvozdev and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Andrew Gvozdev - initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.codan.core.internal.checkers;
import org.eclipse.cdt.codan.core.test.CheckerTestCase;
import org.eclipse.cdt.codan.internal.checkers.UnusedSymbolInFileScopeChecker;
/**
* Test for {@see UnusedSymbolInFileScopeChecker} class
*/
public class UnusedSymbolInFileScopeCheckerTest extends CheckerTestCase {
@Override
public void setUp() throws Exception {
super.setUp();
enableProblems(
UnusedSymbolInFileScopeChecker.ER_UNUSED_VARIABLE_DECLARATION_ID,
UnusedSymbolInFileScopeChecker.ER_UNUSED_FUNCTION_DECLARATION_ID,
UnusedSymbolInFileScopeChecker.ER_UNUSED_STATIC_FUNCTION_ID);
}
////////////////////////////////////////////////////////////////////////////
// extern function declarations
////////////////////////////////////////////////////////////////////////////
// int test_fun();
// extern int test_efun();
public void testExternFunction_Declaration_Unused() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
checkErrorLine(2);
}
// int test_fun();
// void fun() {
// test_fun();
// }
public void testExternFunction_Declaration_Used() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// void test_fun();
// void test_fun() {}
public void testExternFunction_Declaration_FollowedByDefinition() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
////////////////////////////////////////////////////////////////////////////
// extern function definitions
////////////////////////////////////////////////////////////////////////////
// void test_fun(void) {}
public void testExternFunction_Definition() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
////////////////////////////////////////////////////////////////////////////
// Static function declarations
////////////////////////////////////////////////////////////////////////////
// static void test_fun(void);
public void testStaticFunction_Declaration_Unused() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// static void test_fun(void);
// static void test_fun(void) {}
public void testStaticFunction_Declaration_FollowedByDefinition() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(2);
}
// static void test_fun(void);
// void fun() {
// test_fun();
// }
public void testStaticFunction_Declaration_Used() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
////////////////////////////////////////////////////////////////////////////
// Static function definitions
////////////////////////////////////////////////////////////////////////////
// static void test_fun(void) {}
public void testStaticFunction_Definition_Unused() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// static void test_fun(void);
// static void test_fun(void) {}
public void testStaticFunction_Definition_Unused_WithDeclaration() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(2);
}
// static void test_fun(void) {}
// void fun() {
// test_fun();
// }
public void testStaticFunction_Definition_Used() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// void fun() {
// test_fun();
// }
// static int test_fun(void) {}
public void testStaticFunction_Definition_UsedBeforeDefinition() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// static int test_fun(void) {}
// static int test_fun(int) {}
// void fun() {
// test_fun(0);
// }
public void testStaticFunction_Definition_Signature() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkErrorLine(1);
}
// static int test_fun(void) {}
// void fun() {
// int test_fun=0;
// }
public void testStaticFunction_Definition_SynonymLocalScope() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// static int test_fun(void) {}
// void fun(int test_fun) {
// }
public void testStaticFunction_Definition_SynonymArgs() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// static int (test_fun) ();
public void testStaticFunction_Definition_InParentheses() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// static int test_fun(int i) {}
// int i = test_fun(X);
public void testStaticFunction_Definition_UnknownParameterType() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
// static void test_fun(void) {}
// void Class::fun() {
// test_fun();
// }
public void testStaticFunction_Definition_InQualifiedFunction() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
// static int test_fun(X) {}
// int i = test_fun(X);
public void testStaticFunction_Definition_UnknownArgumentType() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
////////////////////////////////////////////////////////////////////////////
// Extern variables declaration
////////////////////////////////////////////////////////////////////////////
// extern int test_var;
public void testExternVariable_Declaration_Unused() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// extern int test_var;
// void fun() {
// test_var=0;
// }
public void testExternVariable_Declaration_Used() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// extern int i,
// test_var;
public void testExternVariable_Declaration_Combined() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
checkErrorLine(2);
}
////////////////////////////////////////////////////////////////////////////
// Extern variables definition
////////////////////////////////////////////////////////////////////////////
// int test_var;
// int test_var2=0;
public void testGlobalVariable_Definition() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// extern const int test_var=0; // not quite legal but some compilers allow that
public void testExternVariable_Definition1() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// extern const int test_var;
// const int test_var = 0;
public void testExternVariable_Definition2() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
////////////////////////////////////////////////////////////////////////////
// Static variables
////////////////////////////////////////////////////////////////////////////
// static int test_var;
public void testStaticVariable_Unused() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// static int (*test_var)(float, char, char);
public void testStaticVariable_Unused_FunctionPointer() throws Exception {
loadCodeAndRun(getAboveComment());
checkErrorLine(1);
}
// static int test_var;
// int i=test_var;
public void testStaticVariable_Used_GlobalScope() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// static int test_var;
// void fun() {
// int i=test_var;
// }
public void testStaticVariable_Used_LocalScope() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// static int test_var;
// void Class::fun() {
// test_var = 0;
// }
public void testStaticVariable_Used_InQualifiedFunction() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
// class Class;
// static Class test_var; // constructor is called here
public void testStaticVariable_Used_Constructor() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
// static X test_var; // avoid possible false positive, binding checker would complain anyway
public void testExternVariable_Declaration_IgnoreUnresolved() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// static char* test_var="$Id: UnusedSymbolInFileScopeCheckerTest.java,v 1.2 2011/04/29 11:17:42 agvozdev Exp $";
public void testExternVariable_Declaration_CvsIdent() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// static char* test_var="@(#) $Header: /cvsroot/tools/org.eclipse.cdt/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/UnusedSymbolInFileScopeCheckerTest.java,v 1.2 2011/04/29 11:17:42 agvozdev Exp $";
public void testExternVariable_Declaration_SccsIdent() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// static char test_var[]("@(#) $Id: UnusedSymbolInFileScopeCheckerTest.java,v 1.2 2011/04/29 11:17:42 agvozdev Exp $");
public void testExternVariable_Declaration_CvsIdentInitializer() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
// static int v1 __attribute__((unused));
// int f1() __attribute__((__unused__));
// extern int f2() __attribute__((unused));
// static void f3() __attribute__((unused));
// static void f4() __attribute__((unused));
// static void f4() __attribute__((unused)) {}
public void testAttributeUnused() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// extern int* pxCurrentTCB;
//
// int main() {
// asm ("lds r26, pxCurrentTCB\n\t");
// }
public void testUseInAsm_bug393129() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// static void foo(int) {}
// static void foo(float) {}
//
// template <typename T>
// void bar(T t) {
// foo(t);
// }
//
// int main() {
// bar(0);
// }
public void testOverloadedStaticFunctionUsedInTemplate_bug358694() throws Exception {
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
}
|
