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gtest_pred_impl.h
1 // Copyright 2006, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 // * Neither the name of Google Inc. 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
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30 // This file is AUTOMATICALLY GENERATED on 10/31/2011 by command
31 // 'gen_gtest_pred_impl.py 5'. DO NOT EDIT BY HAND!
32 //
33 // Implements a family of generic predicate assertion macros.
34
35 #ifndef GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
36 #define GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
37
38 // Makes sure this header is not included before gtest.h.
39 #ifndef GTEST_INCLUDE_GTEST_GTEST_H_
40 # error Do not include gtest_pred_impl.h directly. Include gtest.h instead.
41 #endif // GTEST_INCLUDE_GTEST_GTEST_H_
42
43 // This header implements a family of generic predicate assertion
44 // macros:
45 //
46 // ASSERT_PRED_FORMAT1(pred_format, v1)
47 // ASSERT_PRED_FORMAT2(pred_format, v1, v2)
48 // ...
49 //
50 // where pred_format is a function or functor that takes n (in the
51 // case of ASSERT_PRED_FORMATn) values and their source expression
52 // text, and returns a testing::AssertionResult. See the definition
53 // of ASSERT_EQ in gtest.h for an example.
54 //
55 // If you don't care about formatting, you can use the more
56 // restrictive version:
57 //
58 // ASSERT_PRED1(pred, v1)
59 // ASSERT_PRED2(pred, v1, v2)
60 // ...
61 //
62 // where pred is an n-ary function or functor that returns bool,
63 // and the values v1, v2, ..., must support the << operator for
64 // streaming to std::ostream.
65 //
66 // We also define the EXPECT_* variations.
67 //
68 // For now we only support predicates whose arity is at most 5.
69 // Please email googletestframework@googlegroups.com if you need
70 // support for higher arities.
71
72 // GTEST_ASSERT_ is the basic statement to which all of the assertions
73 // in this file reduce. Don't use this in your code.
74
75 #define GTEST_ASSERT_(expression, on_failure) \
76 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
77 if (const ::testing::AssertionResult gtest_ar = (expression)) \
78 ; \
79 else \
80 on_failure(gtest_ar.failure_message())
81
82
83 // Helper function for implementing {EXPECT|ASSERT}_PRED1. Don't use
84 // this in your code.
85 template <typename Pred,
86 typename T1>
87 AssertionResult AssertPred1Helper(const char* pred_text,
88 const char* e1,
89 Pred pred,
90 const T1& v1) {
91 if (pred(v1)) return AssertionSuccess();
92
93 return AssertionFailure() << pred_text << "("
94 << e1 << ") evaluates to false, where"
95 << "\n" << e1 << " evaluates to " << v1;
96 }
97
98 // Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT1.
99 // Don't use this in your code.
100 #define GTEST_PRED_FORMAT1_(pred_format, v1, on_failure)\
101 GTEST_ASSERT_(pred_format(#v1, v1), \
102 on_failure)
103
104 // Internal macro for implementing {EXPECT|ASSERT}_PRED1. Don't use
105 // this in your code.
106 #define GTEST_PRED1_(pred, v1, on_failure)\
107 GTEST_ASSERT_(::testing::AssertPred1Helper(#pred, \
108 #v1, \
109 pred, \
110 v1), on_failure)
111
112 // Unary predicate assertion macros.
113 #define EXPECT_PRED_FORMAT1(pred_format, v1) \
114 GTEST_PRED_FORMAT1_(pred_format, v1, GTEST_NONFATAL_FAILURE_)
115 #define EXPECT_PRED1(pred, v1) \
116 GTEST_PRED1_(pred, v1, GTEST_NONFATAL_FAILURE_)
117 #define ASSERT_PRED_FORMAT1(pred_format, v1) \
118 GTEST_PRED_FORMAT1_(pred_format, v1, GTEST_FATAL_FAILURE_)
119 #define ASSERT_PRED1(pred, v1) \
120 GTEST_PRED1_(pred, v1, GTEST_FATAL_FAILURE_)
121
122
123
124 // Helper function for implementing {EXPECT|ASSERT}_PRED2. Don't use
125 // this in your code.
126 template <typename Pred,
127 typename T1,
128 typename T2>
129 AssertionResult AssertPred2Helper(const char* pred_text,
130 const char* e1,
131 const char* e2,
132 Pred pred,
133 const T1& v1,
134 const T2& v2) {
135 if (pred(v1, v2)) return AssertionSuccess();
136
137 return AssertionFailure() << pred_text << "("
138 << e1 << ", "
139 << e2 << ") evaluates to false, where"
140 << "\n" << e1 << " evaluates to " << v1
141 << "\n" << e2 << " evaluates to " << v2;
142 }
143
144 // Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT2.
145 // Don't use this in your code.
146 #define GTEST_PRED_FORMAT2_(pred_format, v1, v2, on_failure)\
147 GTEST_ASSERT_(pred_format(#v1, #v2, v1, v2), \
148 on_failure)
149
150 // Internal macro for implementing {EXPECT|ASSERT}_PRED2. Don't use
151 // this in your code.
152 #define GTEST_PRED2_(pred, v1, v2, on_failure)\
153 GTEST_ASSERT_(::testing::AssertPred2Helper(#pred, \
154 #v1, \
155 #v2, \
156 pred, \
157 v1, \
158 v2), on_failure)
159
160 // Binary predicate assertion macros.
161 #define EXPECT_PRED_FORMAT2(pred_format, v1, v2) \
162 GTEST_PRED_FORMAT2_(pred_format, v1, v2, GTEST_NONFATAL_FAILURE_)
163 #define EXPECT_PRED2(pred, v1, v2) \
164 GTEST_PRED2_(pred, v1, v2, GTEST_NONFATAL_FAILURE_)
165 #define ASSERT_PRED_FORMAT2(pred_format, v1, v2) \
166 GTEST_PRED_FORMAT2_(pred_format, v1, v2, GTEST_FATAL_FAILURE_)
167 #define ASSERT_PRED2(pred, v1, v2) \
168 GTEST_PRED2_(pred, v1, v2, GTEST_FATAL_FAILURE_)
169
170
171
172 // Helper function for implementing {EXPECT|ASSERT}_PRED3. Don't use
173 // this in your code.
174 template <typename Pred,
175 typename T1,
176 typename T2,
177 typename T3>
178 AssertionResult AssertPred3Helper(const char* pred_text,
179 const char* e1,
180 const char* e2,
181 const char* e3,
182 Pred pred,
183 const T1& v1,
184 const T2& v2,
185 const T3& v3) {
186 if (pred(v1, v2, v3)) return AssertionSuccess();
187
188 return AssertionFailure() << pred_text << "("
189 << e1 << ", "
190 << e2 << ", "
191 << e3 << ") evaluates to false, where"
192 << "\n" << e1 << " evaluates to " << v1
193 << "\n" << e2 << " evaluates to " << v2
194 << "\n" << e3 << " evaluates to " << v3;
195 }
196
197 // Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT3.
198 // Don't use this in your code.
199 #define GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, on_failure)\
200 GTEST_ASSERT_(pred_format(#v1, #v2, #v3, v1, v2, v3), \
201 on_failure)
202
203 // Internal macro for implementing {EXPECT|ASSERT}_PRED3. Don't use
204 // this in your code.
205 #define GTEST_PRED3_(pred, v1, v2, v3, on_failure)\
206 GTEST_ASSERT_(::testing::AssertPred3Helper(#pred, \
207 #v1, \
208 #v2, \
209 #v3, \
210 pred, \
211 v1, \
212 v2, \
213 v3), on_failure)
214
215 // Ternary predicate assertion macros.
216 #define EXPECT_PRED_FORMAT3(pred_format, v1, v2, v3) \
217 GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, GTEST_NONFATAL_FAILURE_)
218 #define EXPECT_PRED3(pred, v1, v2, v3) \
219 GTEST_PRED3_(pred, v1, v2, v3, GTEST_NONFATAL_FAILURE_)
220 #define ASSERT_PRED_FORMAT3(pred_format, v1, v2, v3) \
221 GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, GTEST_FATAL_FAILURE_)
222 #define ASSERT_PRED3(pred, v1, v2, v3) \
223 GTEST_PRED3_(pred, v1, v2, v3, GTEST_FATAL_FAILURE_)
224
225
226
227 // Helper function for implementing {EXPECT|ASSERT}_PRED4. Don't use
228 // this in your code.
229 template <typename Pred,
230 typename T1,
231 typename T2,
232 typename T3,
233 typename T4>
234 AssertionResult AssertPred4Helper(const char* pred_text,
235 const char* e1,
236 const char* e2,
237 const char* e3,
238 const char* e4,
239 Pred pred,
240 const T1& v1,
241 const T2& v2,
242 const T3& v3,
243 const T4& v4) {
244 if (pred(v1, v2, v3, v4)) return AssertionSuccess();
245
246 return AssertionFailure() << pred_text << "("
247 << e1 << ", "
248 << e2 << ", "
249 << e3 << ", "
250 << e4 << ") evaluates to false, where"
251 << "\n" << e1 << " evaluates to " << v1
252 << "\n" << e2 << " evaluates to " << v2
253 << "\n" << e3 << " evaluates to " << v3
254 << "\n" << e4 << " evaluates to " << v4;
255 }
256
257 // Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT4.
258 // Don't use this in your code.
259 #define GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, on_failure)\
260 GTEST_ASSERT_(pred_format(#v1, #v2, #v3, #v4, v1, v2, v3, v4), \
261 on_failure)
262
263 // Internal macro for implementing {EXPECT|ASSERT}_PRED4. Don't use
264 // this in your code.
265 #define GTEST_PRED4_(pred, v1, v2, v3, v4, on_failure)\
266 GTEST_ASSERT_(::testing::AssertPred4Helper(#pred, \
267 #v1, \
268 #v2, \
269 #v3, \
270 #v4, \
271 pred, \
272 v1, \
273 v2, \
274 v3, \
275 v4), on_failure)
276
277 // 4-ary predicate assertion macros.
278 #define EXPECT_PRED_FORMAT4(pred_format, v1, v2, v3, v4) \
279 GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, GTEST_NONFATAL_FAILURE_)
280 #define EXPECT_PRED4(pred, v1, v2, v3, v4) \
281 GTEST_PRED4_(pred, v1, v2, v3, v4, GTEST_NONFATAL_FAILURE_)
282 #define ASSERT_PRED_FORMAT4(pred_format, v1, v2, v3, v4) \
283 GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, GTEST_FATAL_FAILURE_)
284 #define ASSERT_PRED4(pred, v1, v2, v3, v4) \
285 GTEST_PRED4_(pred, v1, v2, v3, v4, GTEST_FATAL_FAILURE_)
286
287
288
289 // Helper function for implementing {EXPECT|ASSERT}_PRED5. Don't use
290 // this in your code.
291 template <typename Pred,
292 typename T1,
293 typename T2,
294 typename T3,
295 typename T4,
296 typename T5>
297 AssertionResult AssertPred5Helper(const char* pred_text,
298 const char* e1,
299 const char* e2,
300 const char* e3,
301 const char* e4,
302 const char* e5,
303 Pred pred,
304 const T1& v1,
305 const T2& v2,
306 const T3& v3,
307 const T4& v4,
308 const T5& v5) {
309 if (pred(v1, v2, v3, v4, v5)) return AssertionSuccess();
310
311 return AssertionFailure() << pred_text << "("
312 << e1 << ", "
313 << e2 << ", "
314 << e3 << ", "
315 << e4 << ", "
316 << e5 << ") evaluates to false, where"
317 << "\n" << e1 << " evaluates to " << v1
318 << "\n" << e2 << " evaluates to " << v2
319 << "\n" << e3 << " evaluates to " << v3
320 << "\n" << e4 << " evaluates to " << v4
321 << "\n" << e5 << " evaluates to " << v5;
322 }
323
324 // Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT5.
325 // Don't use this in your code.
326 #define GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, on_failure)\
327 GTEST_ASSERT_(pred_format(#v1, #v2, #v3, #v4, #v5, v1, v2, v3, v4, v5), \
328 on_failure)
329
330 // Internal macro for implementing {EXPECT|ASSERT}_PRED5. Don't use
331 // this in your code.
332 #define GTEST_PRED5_(pred, v1, v2, v3, v4, v5, on_failure)\
333 GTEST_ASSERT_(::testing::AssertPred5Helper(#pred, \
334 #v1, \
335 #v2, \
336 #v3, \
337 #v4, \
338 #v5, \
339 pred, \
340 v1, \
341 v2, \
342 v3, \
343 v4, \
344 v5), on_failure)
345
346 // 5-ary predicate assertion macros.
347 #define EXPECT_PRED_FORMAT5(pred_format, v1, v2, v3, v4, v5) \
348 GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, GTEST_NONFATAL_FAILURE_)
349 #define EXPECT_PRED5(pred, v1, v2, v3, v4, v5) \
350 GTEST_PRED5_(pred, v1, v2, v3, v4, v5, GTEST_NONFATAL_FAILURE_)
351 #define ASSERT_PRED_FORMAT5(pred_format, v1, v2, v3, v4, v5) \
352 GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, GTEST_FATAL_FAILURE_)
353 #define ASSERT_PRED5(pred, v1, v2, v3, v4, v5) \
354 GTEST_PRED5_(pred, v1, v2, v3, v4, v5, GTEST_FATAL_FAILURE_)
355
356
357
358 #endif // GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_