1 | // Copyright 2007, 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 | |
31 | // Google Mock - a framework for writing C++ mock classes. |
32 | // |
33 | // This file tests the built-in actions in gmock-more-actions.h. |
34 | |
35 | #include "gmock/gmock-more-actions.h" |
36 | |
37 | #include <functional> |
38 | #include <memory> |
39 | #include <sstream> |
40 | #include <string> |
41 | #include "gmock/gmock.h" |
42 | #include "gtest/gtest.h" |
43 | |
44 | namespace testing { |
45 | namespace gmock_more_actions_test { |
46 | |
47 | using ::std::plus; |
48 | using ::std::string; |
49 | using testing::_; |
50 | using testing::Action; |
51 | using testing::ActionInterface; |
52 | using testing::DeleteArg; |
53 | using testing::Invoke; |
54 | using testing::Return; |
55 | using testing::ReturnArg; |
56 | using testing::ReturnPointee; |
57 | using testing::SaveArg; |
58 | using testing::SaveArgPointee; |
59 | using testing::SetArgReferee; |
60 | using testing::Unused; |
61 | using testing::WithArg; |
62 | using testing::WithoutArgs; |
63 | |
64 | // For suppressing compiler warnings on conversion possibly losing precision. |
65 | inline short Short(short n) { return n; } // NOLINT |
66 | inline char Char(char ch) { return ch; } |
67 | |
68 | // Sample functions and functors for testing Invoke() and etc. |
69 | int Nullary() { return 1; } |
70 | |
71 | class NullaryFunctor { |
72 | public: |
73 | int operator()() { return 2; } |
74 | }; |
75 | |
76 | bool g_done = false; |
77 | void VoidNullary() { g_done = true; } |
78 | |
79 | class VoidNullaryFunctor { |
80 | public: |
81 | void operator()() { g_done = true; } |
82 | }; |
83 | |
84 | bool Unary(int x) { return x < 0; } |
85 | |
86 | const char* Plus1(const char* s) { return s + 1; } |
87 | |
88 | void VoidUnary(int /* n */) { g_done = true; } |
89 | |
90 | bool ByConstRef(const std::string& s) { return s == "Hi" ; } |
91 | |
92 | const double g_double = 0; |
93 | bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; } |
94 | |
95 | std::string ByNonConstRef(std::string& s) { return s += "+" ; } // NOLINT |
96 | |
97 | struct UnaryFunctor { |
98 | int operator()(bool x) { return x ? 1 : -1; } |
99 | }; |
100 | |
101 | const char* Binary(const char* input, short n) { return input + n; } // NOLINT |
102 | |
103 | void VoidBinary(int, char) { g_done = true; } |
104 | |
105 | int Ternary(int x, char y, short z) { return x + y + z; } // NOLINT |
106 | |
107 | void VoidTernary(int, char, bool) { g_done = true; } |
108 | |
109 | int SumOf4(int a, int b, int c, int d) { return a + b + c + d; } |
110 | |
111 | int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; } |
112 | |
113 | void VoidFunctionWithFourArguments(char, int, float, double) { g_done = true; } |
114 | |
115 | std::string Concat4(const char* s1, const char* s2, const char* s3, |
116 | const char* s4) { |
117 | return std::string(s1) + s2 + s3 + s4; |
118 | } |
119 | |
120 | int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; } |
121 | |
122 | struct SumOf5Functor { |
123 | int operator()(int a, int b, int c, int d, int e) { |
124 | return a + b + c + d + e; |
125 | } |
126 | }; |
127 | |
128 | std::string Concat5(const char* s1, const char* s2, const char* s3, |
129 | const char* s4, const char* s5) { |
130 | return std::string(s1) + s2 + s3 + s4 + s5; |
131 | } |
132 | |
133 | int SumOf6(int a, int b, int c, int d, int e, int f) { |
134 | return a + b + c + d + e + f; |
135 | } |
136 | |
137 | struct SumOf6Functor { |
138 | int operator()(int a, int b, int c, int d, int e, int f) { |
139 | return a + b + c + d + e + f; |
140 | } |
141 | }; |
142 | |
143 | std::string Concat6(const char* s1, const char* s2, const char* s3, |
144 | const char* s4, const char* s5, const char* s6) { |
145 | return std::string(s1) + s2 + s3 + s4 + s5 + s6; |
146 | } |
147 | |
148 | std::string Concat7(const char* s1, const char* s2, const char* s3, |
149 | const char* s4, const char* s5, const char* s6, |
150 | const char* s7) { |
151 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7; |
152 | } |
153 | |
154 | std::string Concat8(const char* s1, const char* s2, const char* s3, |
155 | const char* s4, const char* s5, const char* s6, |
156 | const char* s7, const char* s8) { |
157 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8; |
158 | } |
159 | |
160 | std::string Concat9(const char* s1, const char* s2, const char* s3, |
161 | const char* s4, const char* s5, const char* s6, |
162 | const char* s7, const char* s8, const char* s9) { |
163 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9; |
164 | } |
165 | |
166 | std::string Concat10(const char* s1, const char* s2, const char* s3, |
167 | const char* s4, const char* s5, const char* s6, |
168 | const char* s7, const char* s8, const char* s9, |
169 | const char* s10) { |
170 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10; |
171 | } |
172 | |
173 | class Foo { |
174 | public: |
175 | Foo() : value_(123) {} |
176 | |
177 | int Nullary() const { return value_; } |
178 | |
179 | short Unary(long x) { return static_cast<short>(value_ + x); } // NOLINT |
180 | |
181 | std::string Binary(const std::string& str, char c) const { return str + c; } |
182 | |
183 | int Ternary(int x, bool y, char z) { return value_ + x + y*z; } |
184 | |
185 | int SumOf4(int a, int b, int c, int d) const { |
186 | return a + b + c + d + value_; |
187 | } |
188 | |
189 | int SumOfLast2(Unused, Unused, int a, int b) const { return a + b; } |
190 | |
191 | int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; } |
192 | |
193 | int SumOf6(int a, int b, int c, int d, int e, int f) { |
194 | return a + b + c + d + e + f; |
195 | } |
196 | |
197 | std::string Concat7(const char* s1, const char* s2, const char* s3, |
198 | const char* s4, const char* s5, const char* s6, |
199 | const char* s7) { |
200 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7; |
201 | } |
202 | |
203 | std::string Concat8(const char* s1, const char* s2, const char* s3, |
204 | const char* s4, const char* s5, const char* s6, |
205 | const char* s7, const char* s8) { |
206 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8; |
207 | } |
208 | |
209 | std::string Concat9(const char* s1, const char* s2, const char* s3, |
210 | const char* s4, const char* s5, const char* s6, |
211 | const char* s7, const char* s8, const char* s9) { |
212 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9; |
213 | } |
214 | |
215 | std::string Concat10(const char* s1, const char* s2, const char* s3, |
216 | const char* s4, const char* s5, const char* s6, |
217 | const char* s7, const char* s8, const char* s9, |
218 | const char* s10) { |
219 | return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10; |
220 | } |
221 | |
222 | private: |
223 | int value_; |
224 | }; |
225 | |
226 | // Tests using Invoke() with a nullary function. |
227 | TEST(InvokeTest, Nullary) { |
228 | Action<int()> a = Invoke(Nullary); // NOLINT |
229 | EXPECT_EQ(1, a.Perform(std::make_tuple())); |
230 | } |
231 | |
232 | // Tests using Invoke() with a unary function. |
233 | TEST(InvokeTest, Unary) { |
234 | Action<bool(int)> a = Invoke(Unary); // NOLINT |
235 | EXPECT_FALSE(a.Perform(std::make_tuple(1))); |
236 | EXPECT_TRUE(a.Perform(std::make_tuple(-1))); |
237 | } |
238 | |
239 | // Tests using Invoke() with a binary function. |
240 | TEST(InvokeTest, Binary) { |
241 | Action<const char*(const char*, short)> a = Invoke(Binary); // NOLINT |
242 | const char* p = "Hello" ; |
243 | EXPECT_EQ(p + 2, a.Perform(std::make_tuple(p, Short(2)))); |
244 | } |
245 | |
246 | // Tests using Invoke() with a ternary function. |
247 | TEST(InvokeTest, Ternary) { |
248 | Action<int(int, char, short)> a = Invoke(Ternary); // NOLINT |
249 | EXPECT_EQ(6, a.Perform(std::make_tuple(1, '\2', Short(3)))); |
250 | } |
251 | |
252 | // Tests using Invoke() with a 4-argument function. |
253 | TEST(InvokeTest, FunctionThatTakes4Arguments) { |
254 | Action<int(int, int, int, int)> a = Invoke(SumOf4); // NOLINT |
255 | EXPECT_EQ(1234, a.Perform(std::make_tuple(1000, 200, 30, 4))); |
256 | } |
257 | |
258 | // Tests using Invoke() with a 5-argument function. |
259 | TEST(InvokeTest, FunctionThatTakes5Arguments) { |
260 | Action<int(int, int, int, int, int)> a = Invoke(SumOf5); // NOLINT |
261 | EXPECT_EQ(12345, a.Perform(std::make_tuple(10000, 2000, 300, 40, 5))); |
262 | } |
263 | |
264 | // Tests using Invoke() with a 6-argument function. |
265 | TEST(InvokeTest, FunctionThatTakes6Arguments) { |
266 | Action<int(int, int, int, int, int, int)> a = Invoke(SumOf6); // NOLINT |
267 | EXPECT_EQ(123456, |
268 | a.Perform(std::make_tuple(100000, 20000, 3000, 400, 50, 6))); |
269 | } |
270 | |
271 | // A helper that turns the type of a C-string literal from const |
272 | // char[N] to const char*. |
273 | inline const char* CharPtr(const char* s) { return s; } |
274 | |
275 | // Tests using Invoke() with a 7-argument function. |
276 | TEST(InvokeTest, FunctionThatTakes7Arguments) { |
277 | Action<std::string(const char*, const char*, const char*, const char*, |
278 | const char*, const char*, const char*)> |
279 | a = Invoke(Concat7); |
280 | EXPECT_EQ("1234567" , |
281 | a.Perform(std::make_tuple(CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
282 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
283 | CharPtr("7" )))); |
284 | } |
285 | |
286 | // Tests using Invoke() with a 8-argument function. |
287 | TEST(InvokeTest, FunctionThatTakes8Arguments) { |
288 | Action<std::string(const char*, const char*, const char*, const char*, |
289 | const char*, const char*, const char*, const char*)> |
290 | a = Invoke(Concat8); |
291 | EXPECT_EQ("12345678" , |
292 | a.Perform(std::make_tuple(CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
293 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
294 | CharPtr("7" ), CharPtr("8" )))); |
295 | } |
296 | |
297 | // Tests using Invoke() with a 9-argument function. |
298 | TEST(InvokeTest, FunctionThatTakes9Arguments) { |
299 | Action<std::string(const char*, const char*, const char*, const char*, |
300 | const char*, const char*, const char*, const char*, |
301 | const char*)> |
302 | a = Invoke(Concat9); |
303 | EXPECT_EQ("123456789" , a.Perform(std::make_tuple( |
304 | CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
305 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
306 | CharPtr("7" ), CharPtr("8" ), CharPtr("9" )))); |
307 | } |
308 | |
309 | // Tests using Invoke() with a 10-argument function. |
310 | TEST(InvokeTest, FunctionThatTakes10Arguments) { |
311 | Action<std::string(const char*, const char*, const char*, const char*, |
312 | const char*, const char*, const char*, const char*, |
313 | const char*, const char*)> |
314 | a = Invoke(Concat10); |
315 | EXPECT_EQ("1234567890" , |
316 | a.Perform(std::make_tuple(CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
317 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
318 | CharPtr("7" ), CharPtr("8" ), CharPtr("9" ), |
319 | CharPtr("0" )))); |
320 | } |
321 | |
322 | // Tests using Invoke() with functions with parameters declared as Unused. |
323 | TEST(InvokeTest, FunctionWithUnusedParameters) { |
324 | Action<int(int, int, double, const std::string&)> a1 = Invoke(SumOfFirst2); |
325 | std::tuple<int, int, double, std::string> dummy = |
326 | std::make_tuple(10, 2, 5.6, std::string("hi" )); |
327 | EXPECT_EQ(12, a1.Perform(dummy)); |
328 | |
329 | Action<int(int, int, bool, int*)> a2 = |
330 | Invoke(SumOfFirst2); |
331 | EXPECT_EQ( |
332 | 23, a2.Perform(std::make_tuple(20, 3, true, static_cast<int*>(nullptr)))); |
333 | } |
334 | |
335 | // Tests using Invoke() with methods with parameters declared as Unused. |
336 | TEST(InvokeTest, MethodWithUnusedParameters) { |
337 | Foo foo; |
338 | Action<int(std::string, bool, int, int)> a1 = Invoke(&foo, &Foo::SumOfLast2); |
339 | EXPECT_EQ(12, a1.Perform(std::make_tuple(CharPtr("hi" ), true, 10, 2))); |
340 | |
341 | Action<int(char, double, int, int)> a2 = |
342 | Invoke(&foo, &Foo::SumOfLast2); |
343 | EXPECT_EQ(23, a2.Perform(std::make_tuple('a', 2.5, 20, 3))); |
344 | } |
345 | |
346 | // Tests using Invoke() with a functor. |
347 | TEST(InvokeTest, Functor) { |
348 | Action<long(long, int)> a = Invoke(plus<long>()); // NOLINT |
349 | EXPECT_EQ(3L, a.Perform(std::make_tuple(1, 2))); |
350 | } |
351 | |
352 | // Tests using Invoke(f) as an action of a compatible type. |
353 | TEST(InvokeTest, FunctionWithCompatibleType) { |
354 | Action<long(int, short, char, bool)> a = Invoke(SumOf4); // NOLINT |
355 | EXPECT_EQ(4321, a.Perform(std::make_tuple(4000, Short(300), Char(20), true))); |
356 | } |
357 | |
358 | // Tests using Invoke() with an object pointer and a method pointer. |
359 | |
360 | // Tests using Invoke() with a nullary method. |
361 | TEST(InvokeMethodTest, Nullary) { |
362 | Foo foo; |
363 | Action<int()> a = Invoke(&foo, &Foo::Nullary); // NOLINT |
364 | EXPECT_EQ(123, a.Perform(std::make_tuple())); |
365 | } |
366 | |
367 | // Tests using Invoke() with a unary method. |
368 | TEST(InvokeMethodTest, Unary) { |
369 | Foo foo; |
370 | Action<short(long)> a = Invoke(&foo, &Foo::Unary); // NOLINT |
371 | EXPECT_EQ(4123, a.Perform(std::make_tuple(4000))); |
372 | } |
373 | |
374 | // Tests using Invoke() with a binary method. |
375 | TEST(InvokeMethodTest, Binary) { |
376 | Foo foo; |
377 | Action<std::string(const std::string&, char)> a = Invoke(&foo, &Foo::Binary); |
378 | std::string s("Hell" ); |
379 | std::tuple<std::string, char> dummy = std::make_tuple(s, 'o'); |
380 | EXPECT_EQ("Hello" , a.Perform(dummy)); |
381 | } |
382 | |
383 | // Tests using Invoke() with a ternary method. |
384 | TEST(InvokeMethodTest, Ternary) { |
385 | Foo foo; |
386 | Action<int(int, bool, char)> a = Invoke(&foo, &Foo::Ternary); // NOLINT |
387 | EXPECT_EQ(1124, a.Perform(std::make_tuple(1000, true, Char(1)))); |
388 | } |
389 | |
390 | // Tests using Invoke() with a 4-argument method. |
391 | TEST(InvokeMethodTest, MethodThatTakes4Arguments) { |
392 | Foo foo; |
393 | Action<int(int, int, int, int)> a = Invoke(&foo, &Foo::SumOf4); // NOLINT |
394 | EXPECT_EQ(1357, a.Perform(std::make_tuple(1000, 200, 30, 4))); |
395 | } |
396 | |
397 | // Tests using Invoke() with a 5-argument method. |
398 | TEST(InvokeMethodTest, MethodThatTakes5Arguments) { |
399 | Foo foo; |
400 | Action<int(int, int, int, int, int)> a = Invoke(&foo, &Foo::SumOf5); // NOLINT |
401 | EXPECT_EQ(12345, a.Perform(std::make_tuple(10000, 2000, 300, 40, 5))); |
402 | } |
403 | |
404 | // Tests using Invoke() with a 6-argument method. |
405 | TEST(InvokeMethodTest, MethodThatTakes6Arguments) { |
406 | Foo foo; |
407 | Action<int(int, int, int, int, int, int)> a = // NOLINT |
408 | Invoke(&foo, &Foo::SumOf6); |
409 | EXPECT_EQ(123456, |
410 | a.Perform(std::make_tuple(100000, 20000, 3000, 400, 50, 6))); |
411 | } |
412 | |
413 | // Tests using Invoke() with a 7-argument method. |
414 | TEST(InvokeMethodTest, MethodThatTakes7Arguments) { |
415 | Foo foo; |
416 | Action<std::string(const char*, const char*, const char*, const char*, |
417 | const char*, const char*, const char*)> |
418 | a = Invoke(&foo, &Foo::Concat7); |
419 | EXPECT_EQ("1234567" , |
420 | a.Perform(std::make_tuple(CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
421 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
422 | CharPtr("7" )))); |
423 | } |
424 | |
425 | // Tests using Invoke() with a 8-argument method. |
426 | TEST(InvokeMethodTest, MethodThatTakes8Arguments) { |
427 | Foo foo; |
428 | Action<std::string(const char*, const char*, const char*, const char*, |
429 | const char*, const char*, const char*, const char*)> |
430 | a = Invoke(&foo, &Foo::Concat8); |
431 | EXPECT_EQ("12345678" , |
432 | a.Perform(std::make_tuple(CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
433 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
434 | CharPtr("7" ), CharPtr("8" )))); |
435 | } |
436 | |
437 | // Tests using Invoke() with a 9-argument method. |
438 | TEST(InvokeMethodTest, MethodThatTakes9Arguments) { |
439 | Foo foo; |
440 | Action<std::string(const char*, const char*, const char*, const char*, |
441 | const char*, const char*, const char*, const char*, |
442 | const char*)> |
443 | a = Invoke(&foo, &Foo::Concat9); |
444 | EXPECT_EQ("123456789" , a.Perform(std::make_tuple( |
445 | CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
446 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
447 | CharPtr("7" ), CharPtr("8" ), CharPtr("9" )))); |
448 | } |
449 | |
450 | // Tests using Invoke() with a 10-argument method. |
451 | TEST(InvokeMethodTest, MethodThatTakes10Arguments) { |
452 | Foo foo; |
453 | Action<std::string(const char*, const char*, const char*, const char*, |
454 | const char*, const char*, const char*, const char*, |
455 | const char*, const char*)> |
456 | a = Invoke(&foo, &Foo::Concat10); |
457 | EXPECT_EQ("1234567890" , |
458 | a.Perform(std::make_tuple(CharPtr("1" ), CharPtr("2" ), CharPtr("3" ), |
459 | CharPtr("4" ), CharPtr("5" ), CharPtr("6" ), |
460 | CharPtr("7" ), CharPtr("8" ), CharPtr("9" ), |
461 | CharPtr("0" )))); |
462 | } |
463 | |
464 | // Tests using Invoke(f) as an action of a compatible type. |
465 | TEST(InvokeMethodTest, MethodWithCompatibleType) { |
466 | Foo foo; |
467 | Action<long(int, short, char, bool)> a = // NOLINT |
468 | Invoke(&foo, &Foo::SumOf4); |
469 | EXPECT_EQ(4444, a.Perform(std::make_tuple(4000, Short(300), Char(20), true))); |
470 | } |
471 | |
472 | // Tests using WithoutArgs with an action that takes no argument. |
473 | TEST(WithoutArgsTest, NoArg) { |
474 | Action<int(int n)> a = WithoutArgs(Invoke(Nullary)); // NOLINT |
475 | EXPECT_EQ(1, a.Perform(std::make_tuple(2))); |
476 | } |
477 | |
478 | // Tests using WithArg with an action that takes 1 argument. |
479 | TEST(WithArgTest, OneArg) { |
480 | Action<bool(double x, int n)> b = WithArg<1>(Invoke(Unary)); // NOLINT |
481 | EXPECT_TRUE(b.Perform(std::make_tuple(1.5, -1))); |
482 | EXPECT_FALSE(b.Perform(std::make_tuple(1.5, 1))); |
483 | } |
484 | |
485 | TEST(ReturnArgActionTest, WorksForOneArgIntArg0) { |
486 | const Action<int(int)> a = ReturnArg<0>(); |
487 | EXPECT_EQ(5, a.Perform(std::make_tuple(5))); |
488 | } |
489 | |
490 | TEST(ReturnArgActionTest, WorksForMultiArgBoolArg0) { |
491 | const Action<bool(bool, bool, bool)> a = ReturnArg<0>(); |
492 | EXPECT_TRUE(a.Perform(std::make_tuple(true, false, false))); |
493 | } |
494 | |
495 | TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) { |
496 | const Action<std::string(int, int, std::string, int)> a = ReturnArg<2>(); |
497 | EXPECT_EQ("seven" , a.Perform(std::make_tuple(5, 6, std::string("seven" ), 8))); |
498 | } |
499 | |
500 | TEST(SaveArgActionTest, WorksForSameType) { |
501 | int result = 0; |
502 | const Action<void(int n)> a1 = SaveArg<0>(&result); |
503 | a1.Perform(std::make_tuple(5)); |
504 | EXPECT_EQ(5, result); |
505 | } |
506 | |
507 | TEST(SaveArgActionTest, WorksForCompatibleType) { |
508 | int result = 0; |
509 | const Action<void(bool, char)> a1 = SaveArg<1>(&result); |
510 | a1.Perform(std::make_tuple(true, 'a')); |
511 | EXPECT_EQ('a', result); |
512 | } |
513 | |
514 | TEST(SaveArgPointeeActionTest, WorksForSameType) { |
515 | int result = 0; |
516 | const int value = 5; |
517 | const Action<void(const int*)> a1 = SaveArgPointee<0>(&result); |
518 | a1.Perform(std::make_tuple(&value)); |
519 | EXPECT_EQ(5, result); |
520 | } |
521 | |
522 | TEST(SaveArgPointeeActionTest, WorksForCompatibleType) { |
523 | int result = 0; |
524 | char value = 'a'; |
525 | const Action<void(bool, char*)> a1 = SaveArgPointee<1>(&result); |
526 | a1.Perform(std::make_tuple(true, &value)); |
527 | EXPECT_EQ('a', result); |
528 | } |
529 | |
530 | TEST(SetArgRefereeActionTest, WorksForSameType) { |
531 | int value = 0; |
532 | const Action<void(int&)> a1 = SetArgReferee<0>(1); |
533 | a1.Perform(std::tuple<int&>(value)); |
534 | EXPECT_EQ(1, value); |
535 | } |
536 | |
537 | TEST(SetArgRefereeActionTest, WorksForCompatibleType) { |
538 | int value = 0; |
539 | const Action<void(int, int&)> a1 = SetArgReferee<1>('a'); |
540 | a1.Perform(std::tuple<int, int&>(0, value)); |
541 | EXPECT_EQ('a', value); |
542 | } |
543 | |
544 | TEST(SetArgRefereeActionTest, WorksWithExtraArguments) { |
545 | int value = 0; |
546 | const Action<void(bool, int, int&, const char*)> a1 = SetArgReferee<2>('a'); |
547 | a1.Perform(std::tuple<bool, int, int&, const char*>(true, 0, value, "hi" )); |
548 | EXPECT_EQ('a', value); |
549 | } |
550 | |
551 | // A class that can be used to verify that its destructor is called: it will set |
552 | // the bool provided to the constructor to true when destroyed. |
553 | class DeletionTester { |
554 | public: |
555 | explicit DeletionTester(bool* is_deleted) |
556 | : is_deleted_(is_deleted) { |
557 | // Make sure the bit is set to false. |
558 | *is_deleted_ = false; |
559 | } |
560 | |
561 | ~DeletionTester() { |
562 | *is_deleted_ = true; |
563 | } |
564 | |
565 | private: |
566 | bool* is_deleted_; |
567 | }; |
568 | |
569 | TEST(DeleteArgActionTest, OneArg) { |
570 | bool is_deleted = false; |
571 | DeletionTester* t = new DeletionTester(&is_deleted); |
572 | const Action<void(DeletionTester*)> a1 = DeleteArg<0>(); // NOLINT |
573 | EXPECT_FALSE(is_deleted); |
574 | a1.Perform(std::make_tuple(t)); |
575 | EXPECT_TRUE(is_deleted); |
576 | } |
577 | |
578 | TEST(DeleteArgActionTest, TenArgs) { |
579 | bool is_deleted = false; |
580 | DeletionTester* t = new DeletionTester(&is_deleted); |
581 | const Action<void(bool, int, int, const char*, bool, |
582 | int, int, int, int, DeletionTester*)> a1 = DeleteArg<9>(); |
583 | EXPECT_FALSE(is_deleted); |
584 | a1.Perform(std::make_tuple(true, 5, 6, CharPtr("hi" ), false, 7, 8, 9, 10, t)); |
585 | EXPECT_TRUE(is_deleted); |
586 | } |
587 | |
588 | #if GTEST_HAS_EXCEPTIONS |
589 | |
590 | TEST(ThrowActionTest, ThrowsGivenExceptionInVoidFunction) { |
591 | const Action<void(int n)> a = Throw('a'); |
592 | EXPECT_THROW(a.Perform(std::make_tuple(0)), char); |
593 | } |
594 | |
595 | class MyException {}; |
596 | |
597 | TEST(ThrowActionTest, ThrowsGivenExceptionInNonVoidFunction) { |
598 | const Action<double(char ch)> a = Throw(MyException()); |
599 | EXPECT_THROW(a.Perform(std::make_tuple('0')), MyException); |
600 | } |
601 | |
602 | TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) { |
603 | const Action<double()> a = Throw(MyException()); |
604 | EXPECT_THROW(a.Perform(std::make_tuple()), MyException); |
605 | } |
606 | |
607 | #endif // GTEST_HAS_EXCEPTIONS |
608 | |
609 | // Tests that SetArrayArgument<N>(first, last) sets the elements of the array |
610 | // pointed to by the N-th (0-based) argument to values in range [first, last). |
611 | TEST(SetArrayArgumentTest, SetsTheNthArray) { |
612 | typedef void MyFunction(bool, int*, char*); |
613 | int numbers[] = { 1, 2, 3 }; |
614 | Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers + 3); |
615 | |
616 | int n[4] = {}; |
617 | int* pn = n; |
618 | char ch[4] = {}; |
619 | char* pch = ch; |
620 | a.Perform(std::make_tuple(true, pn, pch)); |
621 | EXPECT_EQ(1, n[0]); |
622 | EXPECT_EQ(2, n[1]); |
623 | EXPECT_EQ(3, n[2]); |
624 | EXPECT_EQ(0, n[3]); |
625 | EXPECT_EQ('\0', ch[0]); |
626 | EXPECT_EQ('\0', ch[1]); |
627 | EXPECT_EQ('\0', ch[2]); |
628 | EXPECT_EQ('\0', ch[3]); |
629 | |
630 | // Tests first and last are iterators. |
631 | std::string letters = "abc" ; |
632 | a = SetArrayArgument<2>(letters.begin(), letters.end()); |
633 | std::fill_n(n, 4, 0); |
634 | std::fill_n(ch, 4, '\0'); |
635 | a.Perform(std::make_tuple(true, pn, pch)); |
636 | EXPECT_EQ(0, n[0]); |
637 | EXPECT_EQ(0, n[1]); |
638 | EXPECT_EQ(0, n[2]); |
639 | EXPECT_EQ(0, n[3]); |
640 | EXPECT_EQ('a', ch[0]); |
641 | EXPECT_EQ('b', ch[1]); |
642 | EXPECT_EQ('c', ch[2]); |
643 | EXPECT_EQ('\0', ch[3]); |
644 | } |
645 | |
646 | // Tests SetArrayArgument<N>(first, last) where first == last. |
647 | TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) { |
648 | typedef void MyFunction(bool, int*); |
649 | int numbers[] = { 1, 2, 3 }; |
650 | Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers); |
651 | |
652 | int n[4] = {}; |
653 | int* pn = n; |
654 | a.Perform(std::make_tuple(true, pn)); |
655 | EXPECT_EQ(0, n[0]); |
656 | EXPECT_EQ(0, n[1]); |
657 | EXPECT_EQ(0, n[2]); |
658 | EXPECT_EQ(0, n[3]); |
659 | } |
660 | |
661 | // Tests SetArrayArgument<N>(first, last) where *first is convertible |
662 | // (but not equal) to the argument type. |
663 | TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) { |
664 | typedef void MyFunction(bool, int*); |
665 | char chars[] = { 97, 98, 99 }; |
666 | Action<MyFunction> a = SetArrayArgument<1>(chars, chars + 3); |
667 | |
668 | int codes[4] = { 111, 222, 333, 444 }; |
669 | int* pcodes = codes; |
670 | a.Perform(std::make_tuple(true, pcodes)); |
671 | EXPECT_EQ(97, codes[0]); |
672 | EXPECT_EQ(98, codes[1]); |
673 | EXPECT_EQ(99, codes[2]); |
674 | EXPECT_EQ(444, codes[3]); |
675 | } |
676 | |
677 | // Test SetArrayArgument<N>(first, last) with iterator as argument. |
678 | TEST(SetArrayArgumentTest, SetsTheNthArrayWithIteratorArgument) { |
679 | typedef void MyFunction(bool, std::back_insert_iterator<std::string>); |
680 | std::string letters = "abc" ; |
681 | Action<MyFunction> a = SetArrayArgument<1>(letters.begin(), letters.end()); |
682 | |
683 | std::string s; |
684 | a.Perform(std::make_tuple(true, back_inserter(s))); |
685 | EXPECT_EQ(letters, s); |
686 | } |
687 | |
688 | TEST(ReturnPointeeTest, Works) { |
689 | int n = 42; |
690 | const Action<int()> a = ReturnPointee(&n); |
691 | EXPECT_EQ(42, a.Perform(std::make_tuple())); |
692 | |
693 | n = 43; |
694 | EXPECT_EQ(43, a.Perform(std::make_tuple())); |
695 | } |
696 | |
697 | } // namespace gmock_generated_actions_test |
698 | } // namespace testing |
699 | |