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gmock-generated-actions_test.cc
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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 generated by a script.
34
36
37#include <functional>
38#include <memory>
39#include <sstream>
40#include <string>
41#include "gmock/gmock.h"
42#include "gtest/gtest.h"
43
44namespace testing {
45namespace gmock_generated_actions_test {
46
47using ::std::plus;
48using ::std::string;
49using testing::_;
50using testing::Action;
52using testing::ByRef;
53using testing::DoAll;
54using testing::Invoke;
55using testing::Return;
58using testing::Unused;
59
60// For suppressing compiler warnings on conversion possibly losing precision.
61inline short Short(short n) { return n; } // NOLINT
62inline char Char(char ch) { return ch; }
63
64// Sample functions and functors for testing various actions.
65int Nullary() { return 1; }
66
67bool g_done = false;
68
69bool ByConstRef(const std::string& s) { return s == "Hi"; }
70
71const double g_double = 0;
72bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
73
75 int operator()(bool x) { return x ? 1 : -1; }
76};
77
78const char* Binary(const char* input, short n) { return input + n; } // NOLINT
79
80int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
81
83 int operator()(int a, int b, int c, int d, int e) {
84 return a + b + c + d + e;
85 }
86};
87
88std::string Concat5(const char* s1, const char* s2, const char* s3,
89 const char* s4, const char* s5) {
90 return std::string(s1) + s2 + s3 + s4 + s5;
91}
92
93int SumOf6(int a, int b, int c, int d, int e, int f) {
94 return a + b + c + d + e + f;
95}
96
98 int operator()(int a, int b, int c, int d, int e, int f) {
99 return a + b + c + d + e + f;
100 }
101};
102
103std::string Concat6(const char* s1, const char* s2, const char* s3,
104 const char* s4, const char* s5, const char* s6) {
105 return std::string(s1) + s2 + s3 + s4 + s5 + s6;
106}
107
108std::string Concat7(const char* s1, const char* s2, const char* s3,
109 const char* s4, const char* s5, const char* s6,
110 const char* s7) {
111 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
112}
113
114std::string Concat8(const char* s1, const char* s2, const char* s3,
115 const char* s4, const char* s5, const char* s6,
116 const char* s7, const char* s8) {
117 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
118}
119
120std::string Concat9(const char* s1, const char* s2, const char* s3,
121 const char* s4, const char* s5, const char* s6,
122 const char* s7, const char* s8, const char* s9) {
123 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
124}
125
126std::string Concat10(const char* s1, const char* s2, const char* s3,
127 const char* s4, const char* s5, const char* s6,
128 const char* s7, const char* s8, const char* s9,
129 const char* s10) {
130 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
131}
132
133// A helper that turns the type of a C-string literal from const
134// char[N] to const char*.
135inline const char* CharPtr(const char* s) { return s; }
136
137// Tests InvokeArgument<N>(...).
138
139// Tests using InvokeArgument with a nullary function.
140TEST(InvokeArgumentTest, Function0) {
141 Action<int(int, int(*)())> a = InvokeArgument<1>(); // NOLINT
142 EXPECT_EQ(1, a.Perform(std::make_tuple(2, &Nullary)));
143}
144
145// Tests using InvokeArgument with a unary function.
146TEST(InvokeArgumentTest, Functor1) {
147 Action<int(UnaryFunctor)> a = InvokeArgument<0>(true); // NOLINT
148 EXPECT_EQ(1, a.Perform(std::make_tuple(UnaryFunctor())));
149}
150
151// Tests using InvokeArgument with a 5-ary function.
152TEST(InvokeArgumentTest, Function5) {
153 Action<int(int(*)(int, int, int, int, int))> a = // NOLINT
154 InvokeArgument<0>(10000, 2000, 300, 40, 5);
155 EXPECT_EQ(12345, a.Perform(std::make_tuple(&SumOf5)));
156}
157
158// Tests using InvokeArgument with a 5-ary functor.
159TEST(InvokeArgumentTest, Functor5) {
160 Action<int(SumOf5Functor)> a = // NOLINT
161 InvokeArgument<0>(10000, 2000, 300, 40, 5);
162 EXPECT_EQ(12345, a.Perform(std::make_tuple(SumOf5Functor())));
163}
164
165// Tests using InvokeArgument with a 6-ary function.
166TEST(InvokeArgumentTest, Function6) {
167 Action<int(int(*)(int, int, int, int, int, int))> a = // NOLINT
168 InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
169 EXPECT_EQ(123456, a.Perform(std::make_tuple(&SumOf6)));
170}
171
172// Tests using InvokeArgument with a 6-ary functor.
173TEST(InvokeArgumentTest, Functor6) {
174 Action<int(SumOf6Functor)> a = // NOLINT
175 InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
176 EXPECT_EQ(123456, a.Perform(std::make_tuple(SumOf6Functor())));
177}
178
179// Tests using InvokeArgument with a 7-ary function.
180TEST(InvokeArgumentTest, Function7) {
181 Action<std::string(std::string(*)(const char*, const char*, const char*,
182 const char*, const char*, const char*,
183 const char*))>
184 a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7");
185 EXPECT_EQ("1234567", a.Perform(std::make_tuple(&Concat7)));
186}
187
188// Tests using InvokeArgument with a 8-ary function.
189TEST(InvokeArgumentTest, Function8) {
190 Action<std::string(std::string(*)(const char*, const char*, const char*,
191 const char*, const char*, const char*,
192 const char*, const char*))>
193 a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8");
194 EXPECT_EQ("12345678", a.Perform(std::make_tuple(&Concat8)));
195}
196
197// Tests using InvokeArgument with a 9-ary function.
198TEST(InvokeArgumentTest, Function9) {
199 Action<std::string(std::string(*)(const char*, const char*, const char*,
200 const char*, const char*, const char*,
201 const char*, const char*, const char*))>
202 a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9");
203 EXPECT_EQ("123456789", a.Perform(std::make_tuple(&Concat9)));
204}
205
206// Tests using InvokeArgument with a 10-ary function.
207TEST(InvokeArgumentTest, Function10) {
208 Action<std::string(std::string(*)(
209 const char*, const char*, const char*, const char*, const char*,
210 const char*, const char*, const char*, const char*, const char*))>
211 a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
212 EXPECT_EQ("1234567890", a.Perform(std::make_tuple(&Concat10)));
213}
214
215// Tests using InvokeArgument with a function that takes a pointer argument.
216TEST(InvokeArgumentTest, ByPointerFunction) {
217 Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT
218 InvokeArgument<0>(static_cast<const char*>("Hi"), Short(1));
219 EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary)));
220}
221
222// Tests using InvokeArgument with a function that takes a const char*
223// by passing it a C-string literal.
224TEST(InvokeArgumentTest, FunctionWithCStringLiteral) {
225 Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT
226 InvokeArgument<0>("Hi", Short(1));
227 EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary)));
228}
229
230// Tests using InvokeArgument with a function that takes a const reference.
231TEST(InvokeArgumentTest, ByConstReferenceFunction) {
232 Action<bool(bool (*function)(const std::string& s))> a = // NOLINT
233 InvokeArgument<0>(std::string("Hi"));
234 // When action 'a' is constructed, it makes a copy of the temporary
235 // string object passed to it, so it's OK to use 'a' later, when the
236 // temporary object has already died.
237 EXPECT_TRUE(a.Perform(std::make_tuple(&ByConstRef)));
238}
239
240// Tests using InvokeArgument with ByRef() and a function that takes a
241// const reference.
242TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) {
243 Action<bool(bool(*)(const double& x))> a = // NOLINT
244 InvokeArgument<0>(ByRef(g_double));
245 // The above line calls ByRef() on a const value.
246 EXPECT_TRUE(a.Perform(std::make_tuple(&ReferencesGlobalDouble)));
247
248 double x = 0;
249 a = InvokeArgument<0>(ByRef(x)); // This calls ByRef() on a non-const.
250 EXPECT_FALSE(a.Perform(std::make_tuple(&ReferencesGlobalDouble)));
251}
252
253// Tests DoAll(a1, a2).
254TEST(DoAllTest, TwoActions) {
255 int n = 0;
256 Action<int(int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT
257 Return(2));
258 EXPECT_EQ(2, a.Perform(std::make_tuple(&n)));
259 EXPECT_EQ(1, n);
260}
261
262// Tests DoAll(a1, a2, a3).
263TEST(DoAllTest, ThreeActions) {
264 int m = 0, n = 0;
265 Action<int(int*, int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT
266 SetArgPointee<1>(2),
267 Return(3));
268 EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n)));
269 EXPECT_EQ(1, m);
270 EXPECT_EQ(2, n);
271}
272
273// Tests DoAll(a1, a2, a3, a4).
274TEST(DoAllTest, FourActions) {
275 int m = 0, n = 0;
276 char ch = '\0';
277 Action<int(int*, int*, char*)> a = // NOLINT
278 DoAll(SetArgPointee<0>(1),
279 SetArgPointee<1>(2),
280 SetArgPointee<2>('a'),
281 Return(3));
282 EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n, &ch)));
283 EXPECT_EQ(1, m);
284 EXPECT_EQ(2, n);
285 EXPECT_EQ('a', ch);
286}
287
288// Tests DoAll(a1, a2, a3, a4, a5).
289TEST(DoAllTest, FiveActions) {
290 int m = 0, n = 0;
291 char a = '\0', b = '\0';
292 Action<int(int*, int*, char*, char*)> action = // NOLINT
293 DoAll(SetArgPointee<0>(1),
294 SetArgPointee<1>(2),
295 SetArgPointee<2>('a'),
296 SetArgPointee<3>('b'),
297 Return(3));
298 EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b)));
299 EXPECT_EQ(1, m);
300 EXPECT_EQ(2, n);
301 EXPECT_EQ('a', a);
302 EXPECT_EQ('b', b);
303}
304
305// Tests DoAll(a1, a2, ..., a6).
306TEST(DoAllTest, SixActions) {
307 int m = 0, n = 0;
308 char a = '\0', b = '\0', c = '\0';
309 Action<int(int*, int*, char*, char*, char*)> action = // NOLINT
310 DoAll(SetArgPointee<0>(1),
311 SetArgPointee<1>(2),
312 SetArgPointee<2>('a'),
313 SetArgPointee<3>('b'),
314 SetArgPointee<4>('c'),
315 Return(3));
316 EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c)));
317 EXPECT_EQ(1, m);
318 EXPECT_EQ(2, n);
319 EXPECT_EQ('a', a);
320 EXPECT_EQ('b', b);
321 EXPECT_EQ('c', c);
322}
323
324// Tests DoAll(a1, a2, ..., a7).
325TEST(DoAllTest, SevenActions) {
326 int m = 0, n = 0;
327 char a = '\0', b = '\0', c = '\0', d = '\0';
328 Action<int(int*, int*, char*, char*, char*, char*)> action = // NOLINT
329 DoAll(SetArgPointee<0>(1),
330 SetArgPointee<1>(2),
331 SetArgPointee<2>('a'),
332 SetArgPointee<3>('b'),
333 SetArgPointee<4>('c'),
334 SetArgPointee<5>('d'),
335 Return(3));
336 EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d)));
337 EXPECT_EQ(1, m);
338 EXPECT_EQ(2, n);
339 EXPECT_EQ('a', a);
340 EXPECT_EQ('b', b);
341 EXPECT_EQ('c', c);
342 EXPECT_EQ('d', d);
343}
344
345// Tests DoAll(a1, a2, ..., a8).
346TEST(DoAllTest, EightActions) {
347 int m = 0, n = 0;
348 char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0';
349 Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
350 char*)> action =
351 DoAll(SetArgPointee<0>(1),
352 SetArgPointee<1>(2),
353 SetArgPointee<2>('a'),
354 SetArgPointee<3>('b'),
355 SetArgPointee<4>('c'),
356 SetArgPointee<5>('d'),
357 SetArgPointee<6>('e'),
358 Return(3));
359 EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e)));
360 EXPECT_EQ(1, m);
361 EXPECT_EQ(2, n);
362 EXPECT_EQ('a', a);
363 EXPECT_EQ('b', b);
364 EXPECT_EQ('c', c);
365 EXPECT_EQ('d', d);
366 EXPECT_EQ('e', e);
367}
368
369// Tests DoAll(a1, a2, ..., a9).
370TEST(DoAllTest, NineActions) {
371 int m = 0, n = 0;
372 char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0';
373 Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
374 char*, char*)> action =
375 DoAll(SetArgPointee<0>(1),
376 SetArgPointee<1>(2),
377 SetArgPointee<2>('a'),
378 SetArgPointee<3>('b'),
379 SetArgPointee<4>('c'),
380 SetArgPointee<5>('d'),
381 SetArgPointee<6>('e'),
382 SetArgPointee<7>('f'),
383 Return(3));
384 EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f)));
385 EXPECT_EQ(1, m);
386 EXPECT_EQ(2, n);
387 EXPECT_EQ('a', a);
388 EXPECT_EQ('b', b);
389 EXPECT_EQ('c', c);
390 EXPECT_EQ('d', d);
391 EXPECT_EQ('e', e);
392 EXPECT_EQ('f', f);
393}
394
395// Tests DoAll(a1, a2, ..., a10).
396TEST(DoAllTest, TenActions) {
397 int m = 0, n = 0;
398 char a = '\0', b = '\0', c = '\0', d = '\0';
399 char e = '\0', f = '\0', g = '\0';
400 Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
401 char*, char*, char*)> action =
402 DoAll(SetArgPointee<0>(1),
403 SetArgPointee<1>(2),
404 SetArgPointee<2>('a'),
405 SetArgPointee<3>('b'),
406 SetArgPointee<4>('c'),
407 SetArgPointee<5>('d'),
408 SetArgPointee<6>('e'),
409 SetArgPointee<7>('f'),
410 SetArgPointee<8>('g'),
411 Return(3));
412 EXPECT_EQ(
413 3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g)));
414 EXPECT_EQ(1, m);
415 EXPECT_EQ(2, n);
416 EXPECT_EQ('a', a);
417 EXPECT_EQ('b', b);
418 EXPECT_EQ('c', c);
419 EXPECT_EQ('d', d);
420 EXPECT_EQ('e', e);
421 EXPECT_EQ('f', f);
422 EXPECT_EQ('g', g);
423}
424
425// The ACTION*() macros trigger warning C4100 (unreferenced formal
426// parameter) in MSVC with -W4. Unfortunately they cannot be fixed in
427// the macro definition, as the warnings are generated when the macro
428// is expanded and macro expansion cannot contain #pragma. Therefore
429// we suppress them here.
430// Also suppress C4503 decorated name length exceeded, name was truncated
431#ifdef _MSC_VER
432# pragma warning(push)
433# pragma warning(disable:4100)
434# pragma warning(disable:4503)
435#endif
436// Tests the ACTION*() macro family.
437
438// Tests that ACTION() can define an action that doesn't reference the
439// mock function arguments.
440ACTION(Return5) { return 5; }
441
442TEST(ActionMacroTest, WorksWhenNotReferencingArguments) {
443 Action<double()> a1 = Return5();
444 EXPECT_DOUBLE_EQ(5, a1.Perform(std::make_tuple()));
445
446 Action<int(double, bool)> a2 = Return5();
447 EXPECT_EQ(5, a2.Perform(std::make_tuple(1, true)));
448}
449
450// Tests that ACTION() can define an action that returns void.
451ACTION(IncrementArg1) { (*arg1)++; }
452
453TEST(ActionMacroTest, WorksWhenReturningVoid) {
454 Action<void(int, int*)> a1 = IncrementArg1();
455 int n = 0;
456 a1.Perform(std::make_tuple(5, &n));
457 EXPECT_EQ(1, n);
458}
459
460// Tests that the body of ACTION() can reference the type of the
461// argument.
462ACTION(IncrementArg2) {
463 StaticAssertTypeEq<int*, arg2_type>();
464 arg2_type temp = arg2;
465 (*temp)++;
466}
467
468TEST(ActionMacroTest, CanReferenceArgumentType) {
469 Action<void(int, bool, int*)> a1 = IncrementArg2();
470 int n = 0;
471 a1.Perform(std::make_tuple(5, false, &n));
472 EXPECT_EQ(1, n);
473}
474
475// Tests that the body of ACTION() can reference the argument tuple
476// via args_type and args.
477ACTION(Sum2) {
478 StaticAssertTypeEq<std::tuple<int, char, int*>, args_type>();
479 args_type args_copy = args;
480 return std::get<0>(args_copy) + std::get<1>(args_copy);
481}
482
483TEST(ActionMacroTest, CanReferenceArgumentTuple) {
484 Action<int(int, char, int*)> a1 = Sum2();
485 int dummy = 0;
486 EXPECT_EQ(11, a1.Perform(std::make_tuple(5, Char(6), &dummy)));
487}
488
489// Tests that the body of ACTION() can reference the mock function
490// type.
491int Dummy(bool flag) { return flag? 1 : 0; }
492
493ACTION(InvokeDummy) {
494 StaticAssertTypeEq<int(bool), function_type>();
495 function_type* fp = &Dummy;
496 return (*fp)(true);
497}
498
499TEST(ActionMacroTest, CanReferenceMockFunctionType) {
500 Action<int(bool)> a1 = InvokeDummy();
501 EXPECT_EQ(1, a1.Perform(std::make_tuple(true)));
502 EXPECT_EQ(1, a1.Perform(std::make_tuple(false)));
503}
504
505// Tests that the body of ACTION() can reference the mock function's
506// return type.
507ACTION(InvokeDummy2) {
508 StaticAssertTypeEq<int, return_type>();
509 return_type result = Dummy(true);
510 return result;
511}
512
513TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) {
514 Action<int(bool)> a1 = InvokeDummy2();
515 EXPECT_EQ(1, a1.Perform(std::make_tuple(true)));
516 EXPECT_EQ(1, a1.Perform(std::make_tuple(false)));
517}
518
519// Tests that ACTION() works for arguments passed by const reference.
520ACTION(ReturnAddrOfConstBoolReferenceArg) {
521 StaticAssertTypeEq<const bool&, arg1_type>();
522 return &arg1;
523}
524
525TEST(ActionMacroTest, WorksForConstReferenceArg) {
526 Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg();
527 const bool b = false;
528 EXPECT_EQ(&b, a.Perform(std::tuple<int, const bool&>(0, b)));
529}
530
531// Tests that ACTION() works for arguments passed by non-const reference.
532ACTION(ReturnAddrOfIntReferenceArg) {
533 StaticAssertTypeEq<int&, arg0_type>();
534 return &arg0;
535}
536
537TEST(ActionMacroTest, WorksForNonConstReferenceArg) {
538 Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg();
539 int n = 0;
540 EXPECT_EQ(&n, a.Perform(std::tuple<int&, bool, int>(n, true, 1)));
541}
542
543// Tests that ACTION() can be used in a namespace.
544namespace action_test {
545ACTION(Sum) { return arg0 + arg1; }
546} // namespace action_test
547
548TEST(ActionMacroTest, WorksInNamespace) {
549 Action<int(int, int)> a1 = action_test::Sum();
550 EXPECT_EQ(3, a1.Perform(std::make_tuple(1, 2)));
551}
552
553// Tests that the same ACTION definition works for mock functions with
554// different argument numbers.
555ACTION(PlusTwo) { return arg0 + 2; }
556
557TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) {
558 Action<int(int)> a1 = PlusTwo();
559 EXPECT_EQ(4, a1.Perform(std::make_tuple(2)));
560
561 Action<double(float, void*)> a2 = PlusTwo();
562 int dummy;
563 EXPECT_DOUBLE_EQ(6, a2.Perform(std::make_tuple(4.0f, &dummy)));
564}
565
566// Tests that ACTION_P can define a parameterized action.
567ACTION_P(Plus, n) { return arg0 + n; }
568
569TEST(ActionPMacroTest, DefinesParameterizedAction) {
570 Action<int(int m, bool t)> a1 = Plus(9);
571 EXPECT_EQ(10, a1.Perform(std::make_tuple(1, true)));
572}
573
574// Tests that the body of ACTION_P can reference the argument types
575// and the parameter type.
576ACTION_P(TypedPlus, n) {
577 arg0_type t1 = arg0;
578 n_type t2 = n;
579 return t1 + t2;
580}
581
582TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) {
583 Action<int(char m, bool t)> a1 = TypedPlus(9);
584 EXPECT_EQ(10, a1.Perform(std::make_tuple(Char(1), true)));
585}
586
587// Tests that a parameterized action can be used in any mock function
588// whose type is compatible.
589TEST(ActionPMacroTest, WorksInCompatibleMockFunction) {
590 Action<std::string(const std::string& s)> a1 = Plus("tail");
591 const std::string re = "re";
592 std::tuple<const std::string> dummy = std::make_tuple(re);
593 EXPECT_EQ("retail", a1.Perform(dummy));
594}
595
596// Tests that we can use ACTION*() to define actions overloaded on the
597// number of parameters.
598
599ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; }
600
601ACTION_P(OverloadedAction, default_value) {
602 return arg0 ? arg1 : default_value;
603}
604
605ACTION_P2(OverloadedAction, true_value, false_value) {
606 return arg0 ? true_value : false_value;
607}
608
609TEST(ActionMacroTest, CanDefineOverloadedActions) {
610 typedef Action<const char*(bool, const char*)> MyAction;
611
612 const MyAction a1 = OverloadedAction();
613 EXPECT_STREQ("hello", a1.Perform(std::make_tuple(false, CharPtr("world"))));
614 EXPECT_STREQ("world", a1.Perform(std::make_tuple(true, CharPtr("world"))));
615
616 const MyAction a2 = OverloadedAction("hi");
617 EXPECT_STREQ("hi", a2.Perform(std::make_tuple(false, CharPtr("world"))));
618 EXPECT_STREQ("world", a2.Perform(std::make_tuple(true, CharPtr("world"))));
619
620 const MyAction a3 = OverloadedAction("hi", "you");
621 EXPECT_STREQ("hi", a3.Perform(std::make_tuple(true, CharPtr("world"))));
622 EXPECT_STREQ("you", a3.Perform(std::make_tuple(false, CharPtr("world"))));
623}
624
625// Tests ACTION_Pn where n >= 3.
626
627ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; }
628
629TEST(ActionPnMacroTest, WorksFor3Parameters) {
630 Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4);
631 EXPECT_DOUBLE_EQ(3123.4, a1.Perform(std::make_tuple(3000, true)));
632
633 Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">");
634 const std::string re = "re";
635 std::tuple<const std::string> dummy = std::make_tuple(re);
636 EXPECT_EQ("retail->", a2.Perform(dummy));
637}
638
639ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }
640
641TEST(ActionPnMacroTest, WorksFor4Parameters) {
642 Action<int(int)> a1 = Plus(1, 2, 3, 4);
643 EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(std::make_tuple(10)));
644}
645
646ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }
647
648TEST(ActionPnMacroTest, WorksFor5Parameters) {
649 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5);
650 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(std::make_tuple(10)));
651}
652
653ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
654 return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
655}
656
657TEST(ActionPnMacroTest, WorksFor6Parameters) {
658 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6);
659 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(std::make_tuple(10)));
660}
661
662ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
663 return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
664}
665
666TEST(ActionPnMacroTest, WorksFor7Parameters) {
667 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7);
668 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(std::make_tuple(10)));
669}
670
671ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
672 return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
673}
674
675TEST(ActionPnMacroTest, WorksFor8Parameters) {
676 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8);
677 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8,
678 a1.Perform(std::make_tuple(10)));
679}
680
681ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) {
682 return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8;
683}
684
685TEST(ActionPnMacroTest, WorksFor9Parameters) {
686 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9);
687 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9,
688 a1.Perform(std::make_tuple(10)));
689}
690
691ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) {
692 arg0_type t0 = arg0;
693 last_param_type t9 = last_param;
694 return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9;
695}
696
697TEST(ActionPnMacroTest, WorksFor10Parameters) {
698 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
699 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10,
700 a1.Perform(std::make_tuple(10)));
701}
702
703// Tests that the action body can promote the parameter types.
704
705ACTION_P2(PadArgument, prefix, suffix) {
706 // The following lines promote the two parameters to desired types.
707 std::string prefix_str(prefix);
708 char suffix_char = static_cast<char>(suffix);
709 return prefix_str + arg0 + suffix_char;
710}
711
712TEST(ActionPnMacroTest, SimpleTypePromotion) {
713 Action<std::string(const char*)> no_promo =
714 PadArgument(std::string("foo"), 'r');
715 Action<std::string(const char*)> promo =
716 PadArgument("foo", static_cast<int>('r'));
717 EXPECT_EQ("foobar", no_promo.Perform(std::make_tuple(CharPtr("ba"))));
718 EXPECT_EQ("foobar", promo.Perform(std::make_tuple(CharPtr("ba"))));
719}
720
721// Tests that we can partially restrict parameter types using a
722// straight-forward pattern.
723
724// Defines a generic action that doesn't restrict the types of its
725// parameters.
726ACTION_P3(ConcatImpl, a, b, c) {
727 std::stringstream ss;
728 ss << a << b << c;
729 return ss.str();
730}
731
732// Next, we try to restrict that either the first parameter is a
733// string, or the second parameter is an int.
734
735// Defines a partially specialized wrapper that restricts the first
736// parameter to std::string.
737template <typename T1, typename T2>
738// ConcatImplActionP3 is the class template ACTION_P3 uses to
739// implement ConcatImpl. We shouldn't change the name as this
740// pattern requires the user to use it directly.
741ConcatImplActionP3<std::string, T1, T2>
742Concat(const std::string& a, T1 b, T2 c) {
744 if (true) {
746 // This branch verifies that ConcatImpl() can be invoked without
747 // explicit template arguments.
748 return ConcatImpl(a, b, c);
749 } else {
750 // This branch verifies that ConcatImpl() can also be invoked with
751 // explicit template arguments. It doesn't really need to be
752 // executed as this is a compile-time verification.
753 return ConcatImpl<std::string, T1, T2>(a, b, c);
754 }
755}
756
757// Defines another partially specialized wrapper that restricts the
758// second parameter to int.
759template <typename T1, typename T2>
760ConcatImplActionP3<T1, int, T2>
761Concat(T1 a, int b, T2 c) {
762 return ConcatImpl(a, b, c);
763}
764
765TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) {
766 Action<const std::string()> a1 = Concat("Hello", "1", 2);
767 EXPECT_EQ("Hello12", a1.Perform(std::make_tuple()));
768
769 a1 = Concat(1, 2, 3);
770 EXPECT_EQ("123", a1.Perform(std::make_tuple()));
771}
772
773// Verifies the type of an ACTION*.
774
775ACTION(DoFoo) {}
776ACTION_P(DoFoo, p) {}
777ACTION_P2(DoFoo, p0, p1) {}
778
779TEST(ActionPnMacroTest, TypesAreCorrect) {
780 // DoFoo() must be assignable to a DoFooAction variable.
781 DoFooAction a0 = DoFoo();
782
783 // DoFoo(1) must be assignable to a DoFooActionP variable.
784 DoFooActionP<int> a1 = DoFoo(1);
785
786 // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk
787 // variable, and so on.
788 DoFooActionP2<int, char> a2 = DoFoo(1, '2');
789 PlusActionP3<int, int, char> a3 = Plus(1, 2, '3');
790 PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4');
791 PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5');
792 PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6');
793 PlusActionP7<int, int, int, int, int, int, char> a7 =
794 Plus(1, 2, 3, 4, 5, 6, '7');
795 PlusActionP8<int, int, int, int, int, int, int, char> a8 =
796 Plus(1, 2, 3, 4, 5, 6, 7, '8');
797 PlusActionP9<int, int, int, int, int, int, int, int, char> a9 =
798 Plus(1, 2, 3, 4, 5, 6, 7, 8, '9');
799 PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 =
800 Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
801
802 // Avoid "unused variable" warnings.
803 (void)a0;
804 (void)a1;
805 (void)a2;
806 (void)a3;
807 (void)a4;
808 (void)a5;
809 (void)a6;
810 (void)a7;
811 (void)a8;
812 (void)a9;
813 (void)a10;
814}
815
816// Tests that an ACTION_P*() action can be explicitly instantiated
817// with reference-typed parameters.
818
819ACTION_P(Plus1, x) { return x; }
820ACTION_P2(Plus2, x, y) { return x + y; }
821ACTION_P3(Plus3, x, y, z) { return x + y + z; }
822ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
823 return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9;
824}
825
826TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) {
827 int x = 1, y = 2, z = 3;
828 const std::tuple<> empty = std::make_tuple();
829
830 Action<int()> a = Plus1<int&>(x);
831 EXPECT_EQ(1, a.Perform(empty));
832
833 a = Plus2<const int&, int&>(x, y);
834 EXPECT_EQ(3, a.Perform(empty));
835
836 a = Plus3<int&, const int&, int&>(x, y, z);
837 EXPECT_EQ(6, a.Perform(empty));
838
839 int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
840 a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&,
841 int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7],
842 n[8], n[9]);
843 EXPECT_EQ(55, a.Perform(empty));
844}
845
846
848 public:
849 TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5,
850 int a6, int a7, int a8, int a9, int a10)
851 : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {
852 }
854};
855
856// Tests that ACTION_TEMPLATE works when there is no value parameter.
858 HAS_1_TEMPLATE_PARAMS(typename, T),
859 AND_0_VALUE_PARAMS()) {
860 return new T;
861}
862
863TEST(ActionTemplateTest, WorksWithoutValueParam) {
864 const Action<int*()> a = CreateNew<int>();
865 int* p = a.Perform(std::make_tuple());
866 delete p;
867}
868
869// Tests that ACTION_TEMPLATE works when there are value parameters.
871 HAS_1_TEMPLATE_PARAMS(typename, T),
872 AND_1_VALUE_PARAMS(a0)) {
873 return new T(a0);
874}
875
876TEST(ActionTemplateTest, WorksWithValueParams) {
877 const Action<int*()> a = CreateNew<int>(42);
878 int* p = a.Perform(std::make_tuple());
879 EXPECT_EQ(42, *p);
880 delete p;
881}
882
883// Tests that ACTION_TEMPLATE works for integral template parameters.
884ACTION_TEMPLATE(MyDeleteArg,
885 HAS_1_TEMPLATE_PARAMS(int, k),
886 AND_0_VALUE_PARAMS()) {
887 delete std::get<k>(args);
888}
889
890// Resets a bool variable in the destructor.
892 public:
893 explicit BoolResetter(bool* value) : value_(value) {}
894 ~BoolResetter() { *value_ = false; }
895 private:
896 bool* value_;
897};
898
899TEST(ActionTemplateTest, WorksForIntegralTemplateParams) {
900 const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>();
901 int n = 0;
902 bool b = true;
903 BoolResetter* resetter = new BoolResetter(&b);
904 a.Perform(std::make_tuple(&n, resetter));
905 EXPECT_FALSE(b); // Verifies that resetter is deleted.
906}
907
908// Tests that ACTION_TEMPLATES works for template template parameters.
909ACTION_TEMPLATE(ReturnSmartPointer,
910 HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class,
911 Pointer),
912 AND_1_VALUE_PARAMS(pointee)) {
913 return Pointer<pointee_type>(new pointee_type(pointee));
914}
915
916TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) {
918 ReturnSmartPointer<std::shared_ptr>(42);
919 std::shared_ptr<int> p = a.Perform(std::make_tuple());
920 EXPECT_EQ(42, *p);
921}
922
923// Tests that ACTION_TEMPLATE works for 10 template parameters.
924template <typename T1, typename T2, typename T3, int k4, bool k5,
925 unsigned int k6, typename T7, typename T8, typename T9>
927 public:
928 explicit GiantTemplate(int a_value) : value(a_value) {}
929 int value;
930};
931
932ACTION_TEMPLATE(ReturnGiant,
933 HAS_10_TEMPLATE_PARAMS(
934 typename, T1,
935 typename, T2,
936 typename, T3,
937 int, k4,
938 bool, k5,
939 unsigned int, k6,
940 class, T7,
941 class, T8,
942 class, T9,
943 template <typename T> class, T10),
944 AND_1_VALUE_PARAMS(value)) {
945 return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value);
946}
947
948TEST(ActionTemplateTest, WorksFor10TemplateParameters) {
949 using Giant = GiantTemplate<std::shared_ptr<int>, bool, double, 5, true, 6,
950 char, unsigned, int>;
951 const Action<Giant()> a = ReturnGiant<int, bool, double, 5, true, 6, char,
952 unsigned, int, std::shared_ptr>(42);
953 Giant giant = a.Perform(std::make_tuple());
954 EXPECT_EQ(42, giant.value);
955}
956
957// Tests that ACTION_TEMPLATE works for 10 value parameters.
959 HAS_1_TEMPLATE_PARAMS(typename, Number),
960 AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) {
961 return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10;
962}
963
964TEST(ActionTemplateTest, WorksFor10ValueParameters) {
965 const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
966 EXPECT_EQ(55, a.Perform(std::make_tuple()));
967}
968
969// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded
970// on the number of value parameters.
971
972ACTION(ReturnSum) { return 0; }
973
974ACTION_P(ReturnSum, x) { return x; }
975
977 HAS_1_TEMPLATE_PARAMS(typename, Number),
978 AND_2_VALUE_PARAMS(v1, v2)) {
979 return static_cast<Number>(v1) + v2;
980}
981
983 HAS_1_TEMPLATE_PARAMS(typename, Number),
984 AND_3_VALUE_PARAMS(v1, v2, v3)) {
985 return static_cast<Number>(v1) + v2 + v3;
986}
987
989 HAS_2_TEMPLATE_PARAMS(typename, Number, int, k),
990 AND_4_VALUE_PARAMS(v1, v2, v3, v4)) {
991 return static_cast<Number>(v1) + v2 + v3 + v4 + k;
992}
993
994TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) {
995 const Action<int()> a0 = ReturnSum();
996 const Action<int()> a1 = ReturnSum(1);
997 const Action<int()> a2 = ReturnSum<int>(1, 2);
998 const Action<int()> a3 = ReturnSum<int>(1, 2, 3);
999 const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5);
1000 EXPECT_EQ(0, a0.Perform(std::make_tuple()));
1001 EXPECT_EQ(1, a1.Perform(std::make_tuple()));
1002 EXPECT_EQ(3, a2.Perform(std::make_tuple()));
1003 EXPECT_EQ(6, a3.Perform(std::make_tuple()));
1004 EXPECT_EQ(12345, a4.Perform(std::make_tuple()));
1005}
1006
1007
1008} // namespace gmock_generated_actions_test
1009} // namespace testing
expr expr1 expr1 expr1 c expr2 expr1 expr2 expr1 expr2 expr1 expr1 expr1 expr1 c expr2 expr1 expr2 expr1 expr2 expr1 expr1 expr1 expr1 c *expr2 expr1 expr2 expr1 expr2 expr1 expr1 expr1 expr1 c expr2 expr1 expr2 expr1 expr2 expr1 expr1 expr1 expr2 expr1 expr2 expr1 expr1 expr1 expr2 expr1 expr2 expr1 expr1 expr1 c
#define T
Definition: Sacado_rad.hpp:573
#define T1(r, f)
Definition: Sacado_rad.hpp:603
#define T2(r, f)
Definition: Sacado_rad.hpp:578
Result Perform(ArgumentTuple args) const
TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8, int a9, int a10)
#define ACTION_P9(name,...)
#define ACTION_P5(name,...)
#define ACTION_P8(name,...)
#define ACTION_P7(name,...)
#define ACTION_P3(name,...)
#define ACTION(name)
#define ACTION_P6(name,...)
#define ACTION_P10(name,...)
#define ACTION_P2(name,...)
#define ACTION_P4(name,...)
#define ACTION_P(name,...)
#define ACTION_TEMPLATE(name, template_params, value_params)
Uncopyable z
int value
const double y
const char * p
#define GTEST_INTENTIONAL_CONST_COND_PUSH_()
Definition: gtest-port.h:727
#define GTEST_INTENTIONAL_CONST_COND_POP_()
Definition: gtest-port.h:729
#define EXPECT_EQ(val1, val2)
Definition: gtest.h:2038
#define EXPECT_DOUBLE_EQ(val1, val2)
Definition: gtest.h:2143
#define TEST(test_suite_name, test_name)
Definition: gtest.h:2348
#define EXPECT_TRUE(condition)
Definition: gtest.h:1979
#define EXPECT_STREQ(s1, s2)
Definition: gtest.h:2107
#define EXPECT_FALSE(condition)
Definition: gtest.h:1982
std::string Concat8(const char *s1, const char *s2, const char *s3, const char *s4, const char *s5, const char *s6, const char *s7, const char *s8)
std::string Concat6(const char *s1, const char *s2, const char *s3, const char *s4, const char *s5, const char *s6)
int SumOf6(int a, int b, int c, int d, int e, int f)
std::string Concat5(const char *s1, const char *s2, const char *s3, const char *s4, const char *s5)
int SumOf5(int a, int b, int c, int d, int e)
std::string Concat9(const char *s1, const char *s2, const char *s3, const char *s4, const char *s5, const char *s6, const char *s7, const char *s8, const char *s9)
std::string Concat10(const char *s1, const char *s2, const char *s3, const char *s4, const char *s5, const char *s6, const char *s7, const char *s8, const char *s9, const char *s10)
std::string Concat7(const char *s1, const char *s2, const char *s3, const char *s4, const char *s5, const char *s6, const char *s7)
ConcatImplActionP3< std::string, T1, T2 > Concat(const std::string &a, T1 b, T2 c)
const char * Binary(const char *input, short n)
inline ::std::reference_wrapper< T > ByRef(T &l_value)
internal::DoAllAction< typename std::decay< Action >::type... > DoAll(Action &&... action)
PolymorphicAction< internal::ReturnVoidAction > Return()
internal::SetArgumentPointeeAction< N, T > SetArgPointee(T value)
constexpr bool StaticAssertTypeEq() noexcept
Definition: gtest.h:2311
internal::ReturnAction< R > Return(R value)
std::decay< FunctionImpl >::type Invoke(FunctionImpl &&function_impl)
int operator()(int a, int b, int c, int d, int e, int f)