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29//
30// Author: wan@google.com (Zhanyong Wan)
31
32// Google Mock - a framework for writing C++ mock classes.
33//
34// This file tests the built-in actions generated by a script.
35
36#include "gmock/gmock-generated-actions.h"
37
38#include <functional>
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::get;
50using testing::make_tuple;
51using testing::tuple;
52using testing::tuple_element;
53using testing::_;
54using testing::Action;
55using testing::ActionInterface;
56using testing::ByRef;
57using testing::DoAll;
58using testing::Invoke;
59using testing::Return;
60using testing::ReturnNew;
61using testing::SetArgPointee;
62using testing::StaticAssertTypeEq;
63using testing::Unused;
64using testing::WithArgs;
65
66// For suppressing compiler warnings on conversion possibly losing precision.
67inline short Short(short n) { return n; }  // NOLINT
68inline char Char(char ch) { return ch; }
69
70// Sample functions and functors for testing various actions.
71int Nullary() { return 1; }
72
73class NullaryFunctor {
74 public:
75  int operator()() { return 2; }
76};
77
78bool g_done = false;
79
80bool Unary(int x) { return x < 0; }
81
82const char* Plus1(const char* s) { return s + 1; }
83
84bool ByConstRef(const string& s) { return s == "Hi"; }
85
86const double g_double = 0;
87bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
88
89string ByNonConstRef(string& s) { return s += "+"; }  // NOLINT
90
91struct UnaryFunctor {
92  int operator()(bool x) { return x ? 1 : -1; }
93};
94
95const char* Binary(const char* input, short n) { return input + n; }  // NOLINT
96
97void VoidBinary(int, char) { g_done = true; }
98
99int Ternary(int x, char y, short z) { return x + y + z; }  // NOLINT
100
101void VoidTernary(int, char, bool) { g_done = true; }
102
103int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
104
105string Concat4(const char* s1, const char* s2, const char* s3,
106               const char* s4) {
107  return string(s1) + s2 + s3 + s4;
108}
109
110int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
111
112struct SumOf5Functor {
113  int operator()(int a, int b, int c, int d, int e) {
114    return a + b + c + d + e;
115  }
116};
117
118string Concat5(const char* s1, const char* s2, const char* s3,
119               const char* s4, const char* s5) {
120  return string(s1) + s2 + s3 + s4 + s5;
121}
122
123int SumOf6(int a, int b, int c, int d, int e, int f) {
124  return a + b + c + d + e + f;
125}
126
127struct SumOf6Functor {
128  int operator()(int a, int b, int c, int d, int e, int f) {
129    return a + b + c + d + e + f;
130  }
131};
132
133string Concat6(const char* s1, const char* s2, const char* s3,
134               const char* s4, const char* s5, const char* s6) {
135  return string(s1) + s2 + s3 + s4 + s5 + s6;
136}
137
138string Concat7(const char* s1, const char* s2, const char* s3,
139               const char* s4, const char* s5, const char* s6,
140               const char* s7) {
141  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
142}
143
144string Concat8(const char* s1, const char* s2, const char* s3,
145               const char* s4, const char* s5, const char* s6,
146               const char* s7, const char* s8) {
147  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
148}
149
150string Concat9(const char* s1, const char* s2, const char* s3,
151               const char* s4, const char* s5, const char* s6,
152               const char* s7, const char* s8, const char* s9) {
153  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
154}
155
156string Concat10(const char* s1, const char* s2, const char* s3,
157                const char* s4, const char* s5, const char* s6,
158                const char* s7, const char* s8, const char* s9,
159                const char* s10) {
160  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
161}
162
163// A helper that turns the type of a C-string literal from const
164// char[N] to const char*.
165inline const char* CharPtr(const char* s) { return s; }
166
167// Tests InvokeArgument<N>(...).
168
169// Tests using InvokeArgument with a nullary function.
170TEST(InvokeArgumentTest, Function0) {
171  Action<int(int, int(*)())> a = InvokeArgument<1>();  // NOLINT
172  EXPECT_EQ(1, a.Perform(make_tuple(2, &Nullary)));
173}
174
175// Tests using InvokeArgument with a unary function.
176TEST(InvokeArgumentTest, Functor1) {
177  Action<int(UnaryFunctor)> a = InvokeArgument<0>(true);  // NOLINT
178  EXPECT_EQ(1, a.Perform(make_tuple(UnaryFunctor())));
179}
180
181// Tests using InvokeArgument with a 5-ary function.
182TEST(InvokeArgumentTest, Function5) {
183  Action<int(int(*)(int, int, int, int, int))> a =  // NOLINT
184      InvokeArgument<0>(10000, 2000, 300, 40, 5);
185  EXPECT_EQ(12345, a.Perform(make_tuple(&SumOf5)));
186}
187
188// Tests using InvokeArgument with a 5-ary functor.
189TEST(InvokeArgumentTest, Functor5) {
190  Action<int(SumOf5Functor)> a =  // NOLINT
191      InvokeArgument<0>(10000, 2000, 300, 40, 5);
192  EXPECT_EQ(12345, a.Perform(make_tuple(SumOf5Functor())));
193}
194
195// Tests using InvokeArgument with a 6-ary function.
196TEST(InvokeArgumentTest, Function6) {
197  Action<int(int(*)(int, int, int, int, int, int))> a =  // NOLINT
198      InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
199  EXPECT_EQ(123456, a.Perform(make_tuple(&SumOf6)));
200}
201
202// Tests using InvokeArgument with a 6-ary functor.
203TEST(InvokeArgumentTest, Functor6) {
204  Action<int(SumOf6Functor)> a =  // NOLINT
205      InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
206  EXPECT_EQ(123456, a.Perform(make_tuple(SumOf6Functor())));
207}
208
209// Tests using InvokeArgument with a 7-ary function.
210TEST(InvokeArgumentTest, Function7) {
211  Action<string(string(*)(const char*, const char*, const char*,
212                          const char*, const char*, const char*,
213                          const char*))> a =
214      InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7");
215  EXPECT_EQ("1234567", a.Perform(make_tuple(&Concat7)));
216}
217
218// Tests using InvokeArgument with a 8-ary function.
219TEST(InvokeArgumentTest, Function8) {
220  Action<string(string(*)(const char*, const char*, const char*,
221                          const char*, const char*, const char*,
222                          const char*, const char*))> a =
223      InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8");
224  EXPECT_EQ("12345678", a.Perform(make_tuple(&Concat8)));
225}
226
227// Tests using InvokeArgument with a 9-ary function.
228TEST(InvokeArgumentTest, Function9) {
229  Action<string(string(*)(const char*, const char*, const char*,
230                          const char*, const char*, const char*,
231                          const char*, const char*, const char*))> a =
232      InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9");
233  EXPECT_EQ("123456789", a.Perform(make_tuple(&Concat9)));
234}
235
236// Tests using InvokeArgument with a 10-ary function.
237TEST(InvokeArgumentTest, Function10) {
238  Action<string(string(*)(const char*, const char*, const char*,
239                          const char*, const char*, const char*,
240                          const char*, const char*, const char*,
241                          const char*))> a =
242      InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
243  EXPECT_EQ("1234567890", a.Perform(make_tuple(&Concat10)));
244}
245
246// Tests using InvokeArgument with a function that takes a pointer argument.
247TEST(InvokeArgumentTest, ByPointerFunction) {
248  Action<const char*(const char*(*)(const char* input, short n))> a =  // NOLINT
249      InvokeArgument<0>(static_cast<const char*>("Hi"), Short(1));
250  EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
251}
252
253// Tests using InvokeArgument with a function that takes a const char*
254// by passing it a C-string literal.
255TEST(InvokeArgumentTest, FunctionWithCStringLiteral) {
256  Action<const char*(const char*(*)(const char* input, short n))> a =  // NOLINT
257      InvokeArgument<0>("Hi", Short(1));
258  EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
259}
260
261// Tests using InvokeArgument with a function that takes a const reference.
262TEST(InvokeArgumentTest, ByConstReferenceFunction) {
263  Action<bool(bool(*function)(const string& s))> a =  // NOLINT
264      InvokeArgument<0>(string("Hi"));
265  // When action 'a' is constructed, it makes a copy of the temporary
266  // string object passed to it, so it's OK to use 'a' later, when the
267  // temporary object has already died.
268  EXPECT_TRUE(a.Perform(make_tuple(&ByConstRef)));
269}
270
271// Tests using InvokeArgument with ByRef() and a function that takes a
272// const reference.
273TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) {
274  Action<bool(bool(*)(const double& x))> a =  // NOLINT
275      InvokeArgument<0>(ByRef(g_double));
276  // The above line calls ByRef() on a const value.
277  EXPECT_TRUE(a.Perform(make_tuple(&ReferencesGlobalDouble)));
278
279  double x = 0;
280  a = InvokeArgument<0>(ByRef(x));  // This calls ByRef() on a non-const.
281  EXPECT_FALSE(a.Perform(make_tuple(&ReferencesGlobalDouble)));
282}
283
284// Tests using WithArgs and with an action that takes 1 argument.
285TEST(WithArgsTest, OneArg) {
286  Action<bool(double x, int n)> a = WithArgs<1>(Invoke(Unary));  // NOLINT
287  EXPECT_TRUE(a.Perform(make_tuple(1.5, -1)));
288  EXPECT_FALSE(a.Perform(make_tuple(1.5, 1)));
289}
290
291// Tests using WithArgs with an action that takes 2 arguments.
292TEST(WithArgsTest, TwoArgs) {
293  Action<const char*(const char* s, double x, short n)> a =
294      WithArgs<0, 2>(Invoke(Binary));
295  const char s[] = "Hello";
296  EXPECT_EQ(s + 2, a.Perform(make_tuple(CharPtr(s), 0.5, Short(2))));
297}
298
299// Tests using WithArgs with an action that takes 3 arguments.
300TEST(WithArgsTest, ThreeArgs) {
301  Action<int(int, double, char, short)> a =  // NOLINT
302      WithArgs<0, 2, 3>(Invoke(Ternary));
303  EXPECT_EQ(123, a.Perform(make_tuple(100, 6.5, Char(20), Short(3))));
304}
305
306// Tests using WithArgs with an action that takes 4 arguments.
307TEST(WithArgsTest, FourArgs) {
308  Action<string(const char*, const char*, double, const char*, const char*)> a =
309      WithArgs<4, 3, 1, 0>(Invoke(Concat4));
310  EXPECT_EQ("4310", a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), 2.5,
311                                         CharPtr("3"), CharPtr("4"))));
312}
313
314// Tests using WithArgs with an action that takes 5 arguments.
315TEST(WithArgsTest, FiveArgs) {
316  Action<string(const char*, const char*, const char*,
317                const char*, const char*)> a =
318      WithArgs<4, 3, 2, 1, 0>(Invoke(Concat5));
319  EXPECT_EQ("43210",
320            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
321                                 CharPtr("3"), CharPtr("4"))));
322}
323
324// Tests using WithArgs with an action that takes 6 arguments.
325TEST(WithArgsTest, SixArgs) {
326  Action<string(const char*, const char*, const char*)> a =
327      WithArgs<0, 1, 2, 2, 1, 0>(Invoke(Concat6));
328  EXPECT_EQ("012210",
329            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"))));
330}
331
332// Tests using WithArgs with an action that takes 7 arguments.
333TEST(WithArgsTest, SevenArgs) {
334  Action<string(const char*, const char*, const char*, const char*)> a =
335      WithArgs<0, 1, 2, 3, 2, 1, 0>(Invoke(Concat7));
336  EXPECT_EQ("0123210",
337            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
338                                 CharPtr("3"))));
339}
340
341// Tests using WithArgs with an action that takes 8 arguments.
342TEST(WithArgsTest, EightArgs) {
343  Action<string(const char*, const char*, const char*, const char*)> a =
344      WithArgs<0, 1, 2, 3, 0, 1, 2, 3>(Invoke(Concat8));
345  EXPECT_EQ("01230123",
346            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
347                                 CharPtr("3"))));
348}
349
350// Tests using WithArgs with an action that takes 9 arguments.
351TEST(WithArgsTest, NineArgs) {
352  Action<string(const char*, const char*, const char*, const char*)> a =
353      WithArgs<0, 1, 2, 3, 1, 2, 3, 2, 3>(Invoke(Concat9));
354  EXPECT_EQ("012312323",
355            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
356                                 CharPtr("3"))));
357}
358
359// Tests using WithArgs with an action that takes 10 arguments.
360TEST(WithArgsTest, TenArgs) {
361  Action<string(const char*, const char*, const char*, const char*)> a =
362      WithArgs<0, 1, 2, 3, 2, 1, 0, 1, 2, 3>(Invoke(Concat10));
363  EXPECT_EQ("0123210123",
364            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
365                                 CharPtr("3"))));
366}
367
368// Tests using WithArgs with an action that is not Invoke().
369class SubstractAction : public ActionInterface<int(int, int)> {  // NOLINT
370 public:
371  virtual int Perform(const tuple<int, int>& args) {
372    return get<0>(args) - get<1>(args);
373  }
374};
375
376TEST(WithArgsTest, NonInvokeAction) {
377  Action<int(const string&, int, int)> a =  // NOLINT
378      WithArgs<2, 1>(MakeAction(new SubstractAction));
379  string s("hello");
380  EXPECT_EQ(8, a.Perform(tuple<const string&, int, int>(s, 2, 10)));
381}
382
383// Tests using WithArgs to pass all original arguments in the original order.
384TEST(WithArgsTest, Identity) {
385  Action<int(int x, char y, short z)> a =  // NOLINT
386      WithArgs<0, 1, 2>(Invoke(Ternary));
387  EXPECT_EQ(123, a.Perform(make_tuple(100, Char(20), Short(3))));
388}
389
390// Tests using WithArgs with repeated arguments.
391TEST(WithArgsTest, RepeatedArguments) {
392  Action<int(bool, int m, int n)> a =  // NOLINT
393      WithArgs<1, 1, 1, 1>(Invoke(SumOf4));
394  EXPECT_EQ(4, a.Perform(make_tuple(false, 1, 10)));
395}
396
397// Tests using WithArgs with reversed argument order.
398TEST(WithArgsTest, ReversedArgumentOrder) {
399  Action<const char*(short n, const char* input)> a =  // NOLINT
400      WithArgs<1, 0>(Invoke(Binary));
401  const char s[] = "Hello";
402  EXPECT_EQ(s + 2, a.Perform(make_tuple(Short(2), CharPtr(s))));
403}
404
405// Tests using WithArgs with compatible, but not identical, argument types.
406TEST(WithArgsTest, ArgsOfCompatibleTypes) {
407  Action<long(short x, char y, double z, char c)> a =  // NOLINT
408      WithArgs<0, 1, 3>(Invoke(Ternary));
409  EXPECT_EQ(123, a.Perform(make_tuple(Short(100), Char(20), 5.6, Char(3))));
410}
411
412// Tests using WithArgs with an action that returns void.
413TEST(WithArgsTest, VoidAction) {
414  Action<void(double x, char c, int n)> a = WithArgs<2, 1>(Invoke(VoidBinary));
415  g_done = false;
416  a.Perform(make_tuple(1.5, 'a', 3));
417  EXPECT_TRUE(g_done);
418}
419
420// Tests DoAll(a1, a2).
421TEST(DoAllTest, TwoActions) {
422  int n = 0;
423  Action<int(int*)> a = DoAll(SetArgPointee<0>(1),  // NOLINT
424                              Return(2));
425  EXPECT_EQ(2, a.Perform(make_tuple(&n)));
426  EXPECT_EQ(1, n);
427}
428
429// Tests DoAll(a1, a2, a3).
430TEST(DoAllTest, ThreeActions) {
431  int m = 0, n = 0;
432  Action<int(int*, int*)> a = DoAll(SetArgPointee<0>(1),  // NOLINT
433                                    SetArgPointee<1>(2),
434                                    Return(3));
435  EXPECT_EQ(3, a.Perform(make_tuple(&m, &n)));
436  EXPECT_EQ(1, m);
437  EXPECT_EQ(2, n);
438}
439
440// Tests DoAll(a1, a2, a3, a4).
441TEST(DoAllTest, FourActions) {
442  int m = 0, n = 0;
443  char ch = '\0';
444  Action<int(int*, int*, char*)> a =  // NOLINT
445      DoAll(SetArgPointee<0>(1),
446            SetArgPointee<1>(2),
447            SetArgPointee<2>('a'),
448            Return(3));
449  EXPECT_EQ(3, a.Perform(make_tuple(&m, &n, &ch)));
450  EXPECT_EQ(1, m);
451  EXPECT_EQ(2, n);
452  EXPECT_EQ('a', ch);
453}
454
455// Tests DoAll(a1, a2, a3, a4, a5).
456TEST(DoAllTest, FiveActions) {
457  int m = 0, n = 0;
458  char a = '\0', b = '\0';
459  Action<int(int*, int*, char*, char*)> action =  // NOLINT
460      DoAll(SetArgPointee<0>(1),
461            SetArgPointee<1>(2),
462            SetArgPointee<2>('a'),
463            SetArgPointee<3>('b'),
464            Return(3));
465  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b)));
466  EXPECT_EQ(1, m);
467  EXPECT_EQ(2, n);
468  EXPECT_EQ('a', a);
469  EXPECT_EQ('b', b);
470}
471
472// Tests DoAll(a1, a2, ..., a6).
473TEST(DoAllTest, SixActions) {
474  int m = 0, n = 0;
475  char a = '\0', b = '\0', c = '\0';
476  Action<int(int*, int*, char*, char*, char*)> action =  // NOLINT
477      DoAll(SetArgPointee<0>(1),
478            SetArgPointee<1>(2),
479            SetArgPointee<2>('a'),
480            SetArgPointee<3>('b'),
481            SetArgPointee<4>('c'),
482            Return(3));
483  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c)));
484  EXPECT_EQ(1, m);
485  EXPECT_EQ(2, n);
486  EXPECT_EQ('a', a);
487  EXPECT_EQ('b', b);
488  EXPECT_EQ('c', c);
489}
490
491// Tests DoAll(a1, a2, ..., a7).
492TEST(DoAllTest, SevenActions) {
493  int m = 0, n = 0;
494  char a = '\0', b = '\0', c = '\0', d = '\0';
495  Action<int(int*, int*, char*, char*, char*, char*)> action =  // NOLINT
496      DoAll(SetArgPointee<0>(1),
497            SetArgPointee<1>(2),
498            SetArgPointee<2>('a'),
499            SetArgPointee<3>('b'),
500            SetArgPointee<4>('c'),
501            SetArgPointee<5>('d'),
502            Return(3));
503  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d)));
504  EXPECT_EQ(1, m);
505  EXPECT_EQ(2, n);
506  EXPECT_EQ('a', a);
507  EXPECT_EQ('b', b);
508  EXPECT_EQ('c', c);
509  EXPECT_EQ('d', d);
510}
511
512// Tests DoAll(a1, a2, ..., a8).
513TEST(DoAllTest, EightActions) {
514  int m = 0, n = 0;
515  char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0';
516  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
517             char*)> action =
518      DoAll(SetArgPointee<0>(1),
519            SetArgPointee<1>(2),
520            SetArgPointee<2>('a'),
521            SetArgPointee<3>('b'),
522            SetArgPointee<4>('c'),
523            SetArgPointee<5>('d'),
524            SetArgPointee<6>('e'),
525            Return(3));
526  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e)));
527  EXPECT_EQ(1, m);
528  EXPECT_EQ(2, n);
529  EXPECT_EQ('a', a);
530  EXPECT_EQ('b', b);
531  EXPECT_EQ('c', c);
532  EXPECT_EQ('d', d);
533  EXPECT_EQ('e', e);
534}
535
536// Tests DoAll(a1, a2, ..., a9).
537TEST(DoAllTest, NineActions) {
538  int m = 0, n = 0;
539  char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0';
540  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
541             char*, char*)> action =
542      DoAll(SetArgPointee<0>(1),
543            SetArgPointee<1>(2),
544            SetArgPointee<2>('a'),
545            SetArgPointee<3>('b'),
546            SetArgPointee<4>('c'),
547            SetArgPointee<5>('d'),
548            SetArgPointee<6>('e'),
549            SetArgPointee<7>('f'),
550            Return(3));
551  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f)));
552  EXPECT_EQ(1, m);
553  EXPECT_EQ(2, n);
554  EXPECT_EQ('a', a);
555  EXPECT_EQ('b', b);
556  EXPECT_EQ('c', c);
557  EXPECT_EQ('d', d);
558  EXPECT_EQ('e', e);
559  EXPECT_EQ('f', f);
560}
561
562// Tests DoAll(a1, a2, ..., a10).
563TEST(DoAllTest, TenActions) {
564  int m = 0, n = 0;
565  char a = '\0', b = '\0', c = '\0', d = '\0';
566  char e = '\0', f = '\0', g = '\0';
567  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
568             char*, char*, char*)> action =
569      DoAll(SetArgPointee<0>(1),
570            SetArgPointee<1>(2),
571            SetArgPointee<2>('a'),
572            SetArgPointee<3>('b'),
573            SetArgPointee<4>('c'),
574            SetArgPointee<5>('d'),
575            SetArgPointee<6>('e'),
576            SetArgPointee<7>('f'),
577            SetArgPointee<8>('g'),
578            Return(3));
579  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g)));
580  EXPECT_EQ(1, m);
581  EXPECT_EQ(2, n);
582  EXPECT_EQ('a', a);
583  EXPECT_EQ('b', b);
584  EXPECT_EQ('c', c);
585  EXPECT_EQ('d', d);
586  EXPECT_EQ('e', e);
587  EXPECT_EQ('f', f);
588  EXPECT_EQ('g', g);
589}
590
591// The ACTION*() macros trigger warning C4100 (unreferenced formal
592// parameter) in MSVC with -W4.  Unfortunately they cannot be fixed in
593// the macro definition, as the warnings are generated when the macro
594// is expanded and macro expansion cannot contain #pragma.  Therefore
595// we suppress them here.
596#ifdef _MSC_VER
597# pragma warning(push)
598# pragma warning(disable:4100)
599#endif
600
601// Tests the ACTION*() macro family.
602
603// Tests that ACTION() can define an action that doesn't reference the
604// mock function arguments.
605ACTION(Return5) { return 5; }
606
607TEST(ActionMacroTest, WorksWhenNotReferencingArguments) {
608  Action<double()> a1 = Return5();
609  EXPECT_DOUBLE_EQ(5, a1.Perform(make_tuple()));
610
611  Action<int(double, bool)> a2 = Return5();
612  EXPECT_EQ(5, a2.Perform(make_tuple(1, true)));
613}
614
615// Tests that ACTION() can define an action that returns void.
616ACTION(IncrementArg1) { (*arg1)++; }
617
618TEST(ActionMacroTest, WorksWhenReturningVoid) {
619  Action<void(int, int*)> a1 = IncrementArg1();
620  int n = 0;
621  a1.Perform(make_tuple(5, &n));
622  EXPECT_EQ(1, n);
623}
624
625// Tests that the body of ACTION() can reference the type of the
626// argument.
627ACTION(IncrementArg2) {
628  StaticAssertTypeEq<int*, arg2_type>();
629  arg2_type temp = arg2;
630  (*temp)++;
631}
632
633TEST(ActionMacroTest, CanReferenceArgumentType) {
634  Action<void(int, bool, int*)> a1 = IncrementArg2();
635  int n = 0;
636  a1.Perform(make_tuple(5, false, &n));
637  EXPECT_EQ(1, n);
638}
639
640// Tests that the body of ACTION() can reference the argument tuple
641// via args_type and args.
642ACTION(Sum2) {
643  StaticAssertTypeEq<tuple<int, char, int*>, args_type>();
644  args_type args_copy = args;
645  return get<0>(args_copy) + get<1>(args_copy);
646}
647
648TEST(ActionMacroTest, CanReferenceArgumentTuple) {
649  Action<int(int, char, int*)> a1 = Sum2();
650  int dummy = 0;
651  EXPECT_EQ(11, a1.Perform(make_tuple(5, Char(6), &dummy)));
652}
653
654// Tests that the body of ACTION() can reference the mock function
655// type.
656int Dummy(bool flag) { return flag? 1 : 0; }
657
658ACTION(InvokeDummy) {
659  StaticAssertTypeEq<int(bool), function_type>();
660  function_type* fp = &Dummy;
661  return (*fp)(true);
662}
663
664TEST(ActionMacroTest, CanReferenceMockFunctionType) {
665  Action<int(bool)> a1 = InvokeDummy();
666  EXPECT_EQ(1, a1.Perform(make_tuple(true)));
667  EXPECT_EQ(1, a1.Perform(make_tuple(false)));
668}
669
670// Tests that the body of ACTION() can reference the mock function's
671// return type.
672ACTION(InvokeDummy2) {
673  StaticAssertTypeEq<int, return_type>();
674  return_type result = Dummy(true);
675  return result;
676}
677
678TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) {
679  Action<int(bool)> a1 = InvokeDummy2();
680  EXPECT_EQ(1, a1.Perform(make_tuple(true)));
681  EXPECT_EQ(1, a1.Perform(make_tuple(false)));
682}
683
684// Tests that ACTION() works for arguments passed by const reference.
685ACTION(ReturnAddrOfConstBoolReferenceArg) {
686  StaticAssertTypeEq<const bool&, arg1_type>();
687  return &arg1;
688}
689
690TEST(ActionMacroTest, WorksForConstReferenceArg) {
691  Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg();
692  const bool b = false;
693  EXPECT_EQ(&b, a.Perform(tuple<int, const bool&>(0, b)));
694}
695
696// Tests that ACTION() works for arguments passed by non-const reference.
697ACTION(ReturnAddrOfIntReferenceArg) {
698  StaticAssertTypeEq<int&, arg0_type>();
699  return &arg0;
700}
701
702TEST(ActionMacroTest, WorksForNonConstReferenceArg) {
703  Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg();
704  int n = 0;
705  EXPECT_EQ(&n, a.Perform(tuple<int&, bool, int>(n, true, 1)));
706}
707
708// Tests that ACTION() can be used in a namespace.
709namespace action_test {
710ACTION(Sum) { return arg0 + arg1; }
711}  // namespace action_test
712
713TEST(ActionMacroTest, WorksInNamespace) {
714  Action<int(int, int)> a1 = action_test::Sum();
715  EXPECT_EQ(3, a1.Perform(make_tuple(1, 2)));
716}
717
718// Tests that the same ACTION definition works for mock functions with
719// different argument numbers.
720ACTION(PlusTwo) { return arg0 + 2; }
721
722TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) {
723  Action<int(int)> a1 = PlusTwo();
724  EXPECT_EQ(4, a1.Perform(make_tuple(2)));
725
726  Action<double(float, void*)> a2 = PlusTwo();
727  int dummy;
728  EXPECT_DOUBLE_EQ(6, a2.Perform(make_tuple(4.0f, &dummy)));
729}
730
731// Tests that ACTION_P can define a parameterized action.
732ACTION_P(Plus, n) { return arg0 + n; }
733
734TEST(ActionPMacroTest, DefinesParameterizedAction) {
735  Action<int(int m, bool t)> a1 = Plus(9);
736  EXPECT_EQ(10, a1.Perform(make_tuple(1, true)));
737}
738
739// Tests that the body of ACTION_P can reference the argument types
740// and the parameter type.
741ACTION_P(TypedPlus, n) {
742  arg0_type t1 = arg0;
743  n_type t2 = n;
744  return t1 + t2;
745}
746
747TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) {
748  Action<int(char m, bool t)> a1 = TypedPlus(9);
749  EXPECT_EQ(10, a1.Perform(make_tuple(Char(1), true)));
750}
751
752// Tests that a parameterized action can be used in any mock function
753// whose type is compatible.
754TEST(ActionPMacroTest, WorksInCompatibleMockFunction) {
755  Action<std::string(const std::string& s)> a1 = Plus("tail");
756  const std::string re = "re";
757  EXPECT_EQ("retail", a1.Perform(tuple<const std::string&>(re)));
758}
759
760// Tests that we can use ACTION*() to define actions overloaded on the
761// number of parameters.
762
763ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; }
764
765ACTION_P(OverloadedAction, default_value) {
766  return arg0 ? arg1 : default_value;
767}
768
769ACTION_P2(OverloadedAction, true_value, false_value) {
770  return arg0 ? true_value : false_value;
771}
772
773TEST(ActionMacroTest, CanDefineOverloadedActions) {
774  typedef Action<const char*(bool, const char*)> MyAction;
775
776  const MyAction a1 = OverloadedAction();
777  EXPECT_STREQ("hello", a1.Perform(make_tuple(false, CharPtr("world"))));
778  EXPECT_STREQ("world", a1.Perform(make_tuple(true, CharPtr("world"))));
779
780  const MyAction a2 = OverloadedAction("hi");
781  EXPECT_STREQ("hi", a2.Perform(make_tuple(false, CharPtr("world"))));
782  EXPECT_STREQ("world", a2.Perform(make_tuple(true, CharPtr("world"))));
783
784  const MyAction a3 = OverloadedAction("hi", "you");
785  EXPECT_STREQ("hi", a3.Perform(make_tuple(true, CharPtr("world"))));
786  EXPECT_STREQ("you", a3.Perform(make_tuple(false, CharPtr("world"))));
787}
788
789// Tests ACTION_Pn where n >= 3.
790
791ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; }
792
793TEST(ActionPnMacroTest, WorksFor3Parameters) {
794  Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4);
795  EXPECT_DOUBLE_EQ(3123.4, a1.Perform(make_tuple(3000, true)));
796
797  Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">");
798  const std::string re = "re";
799  EXPECT_EQ("retail->", a2.Perform(tuple<const std::string&>(re)));
800}
801
802ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }
803
804TEST(ActionPnMacroTest, WorksFor4Parameters) {
805  Action<int(int)> a1 = Plus(1, 2, 3, 4);
806  EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(make_tuple(10)));
807}
808
809ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }
810
811TEST(ActionPnMacroTest, WorksFor5Parameters) {
812  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5);
813  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(make_tuple(10)));
814}
815
816ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
817  return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
818}
819
820TEST(ActionPnMacroTest, WorksFor6Parameters) {
821  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6);
822  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(make_tuple(10)));
823}
824
825ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
826  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
827}
828
829TEST(ActionPnMacroTest, WorksFor7Parameters) {
830  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7);
831  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(make_tuple(10)));
832}
833
834ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
835  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
836}
837
838TEST(ActionPnMacroTest, WorksFor8Parameters) {
839  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8);
840  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8, a1.Perform(make_tuple(10)));
841}
842
843ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) {
844  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8;
845}
846
847TEST(ActionPnMacroTest, WorksFor9Parameters) {
848  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9);
849  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9, a1.Perform(make_tuple(10)));
850}
851
852ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) {
853  arg0_type t0 = arg0;
854  last_param_type t9 = last_param;
855  return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9;
856}
857
858TEST(ActionPnMacroTest, WorksFor10Parameters) {
859  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
860  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10,
861            a1.Perform(make_tuple(10)));
862}
863
864// Tests that the action body can promote the parameter types.
865
866ACTION_P2(PadArgument, prefix, suffix) {
867  // The following lines promote the two parameters to desired types.
868  std::string prefix_str(prefix);
869  char suffix_char = static_cast<char>(suffix);
870  return prefix_str + arg0 + suffix_char;
871}
872
873TEST(ActionPnMacroTest, SimpleTypePromotion) {
874  Action<std::string(const char*)> no_promo =
875      PadArgument(std::string("foo"), 'r');
876  Action<std::string(const char*)> promo =
877      PadArgument("foo", static_cast<int>('r'));
878  EXPECT_EQ("foobar", no_promo.Perform(make_tuple(CharPtr("ba"))));
879  EXPECT_EQ("foobar", promo.Perform(make_tuple(CharPtr("ba"))));
880}
881
882// Tests that we can partially restrict parameter types using a
883// straight-forward pattern.
884
885// Defines a generic action that doesn't restrict the types of its
886// parameters.
887ACTION_P3(ConcatImpl, a, b, c) {
888  std::stringstream ss;
889  ss << a << b << c;
890  return ss.str();
891}
892
893// Next, we try to restrict that either the first parameter is a
894// string, or the second parameter is an int.
895
896// Defines a partially specialized wrapper that restricts the first
897// parameter to std::string.
898template <typename T1, typename T2>
899// ConcatImplActionP3 is the class template ACTION_P3 uses to
900// implement ConcatImpl.  We shouldn't change the name as this
901// pattern requires the user to use it directly.
902ConcatImplActionP3<std::string, T1, T2>
903Concat(const std::string& a, T1 b, T2 c) {
904  GTEST_INTENTIONAL_CONST_COND_PUSH_()
905  if (true) {
906  GTEST_INTENTIONAL_CONST_COND_POP_()
907    // This branch verifies that ConcatImpl() can be invoked without
908    // explicit template arguments.
909    return ConcatImpl(a, b, c);
910  } else {
911    // This branch verifies that ConcatImpl() can also be invoked with
912    // explicit template arguments.  It doesn't really need to be
913    // executed as this is a compile-time verification.
914    return ConcatImpl<std::string, T1, T2>(a, b, c);
915  }
916}
917
918// Defines another partially specialized wrapper that restricts the
919// second parameter to int.
920template <typename T1, typename T2>
921ConcatImplActionP3<T1, int, T2>
922Concat(T1 a, int b, T2 c) {
923  return ConcatImpl(a, b, c);
924}
925
926TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) {
927  Action<const std::string()> a1 = Concat("Hello", "1", 2);
928  EXPECT_EQ("Hello12", a1.Perform(make_tuple()));
929
930  a1 = Concat(1, 2, 3);
931  EXPECT_EQ("123", a1.Perform(make_tuple()));
932}
933
934// Verifies the type of an ACTION*.
935
936ACTION(DoFoo) {}
937ACTION_P(DoFoo, p) {}
938ACTION_P2(DoFoo, p0, p1) {}
939
940TEST(ActionPnMacroTest, TypesAreCorrect) {
941  // DoFoo() must be assignable to a DoFooAction variable.
942  DoFooAction a0 = DoFoo();
943
944  // DoFoo(1) must be assignable to a DoFooActionP variable.
945  DoFooActionP<int> a1 = DoFoo(1);
946
947  // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk
948  // variable, and so on.
949  DoFooActionP2<int, char> a2 = DoFoo(1, '2');
950  PlusActionP3<int, int, char> a3 = Plus(1, 2, '3');
951  PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4');
952  PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5');
953  PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6');
954  PlusActionP7<int, int, int, int, int, int, char> a7 =
955      Plus(1, 2, 3, 4, 5, 6, '7');
956  PlusActionP8<int, int, int, int, int, int, int, char> a8 =
957      Plus(1, 2, 3, 4, 5, 6, 7, '8');
958  PlusActionP9<int, int, int, int, int, int, int, int, char> a9 =
959      Plus(1, 2, 3, 4, 5, 6, 7, 8, '9');
960  PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 =
961      Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
962
963  // Avoid "unused variable" warnings.
964  (void)a0;
965  (void)a1;
966  (void)a2;
967  (void)a3;
968  (void)a4;
969  (void)a5;
970  (void)a6;
971  (void)a7;
972  (void)a8;
973  (void)a9;
974  (void)a10;
975}
976
977// Tests that an ACTION_P*() action can be explicitly instantiated
978// with reference-typed parameters.
979
980ACTION_P(Plus1, x) { return x; }
981ACTION_P2(Plus2, x, y) { return x + y; }
982ACTION_P3(Plus3, x, y, z) { return x + y + z; }
983ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
984  return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9;
985}
986
987TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) {
988  int x = 1, y = 2, z = 3;
989  const tuple<> empty = make_tuple();
990
991  Action<int()> a = Plus1<int&>(x);
992  EXPECT_EQ(1, a.Perform(empty));
993
994  a = Plus2<const int&, int&>(x, y);
995  EXPECT_EQ(3, a.Perform(empty));
996
997  a = Plus3<int&, const int&, int&>(x, y, z);
998  EXPECT_EQ(6, a.Perform(empty));
999
1000  int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
1001  a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&,
1002      int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7],
1003                              n[8], n[9]);
1004  EXPECT_EQ(55, a.Perform(empty));
1005}
1006
1007class NullaryConstructorClass {
1008 public:
1009  NullaryConstructorClass() : value_(123) {}
1010  int value_;
1011};
1012
1013// Tests using ReturnNew() with a nullary constructor.
1014TEST(ReturnNewTest, NoArgs) {
1015  Action<NullaryConstructorClass*()> a = ReturnNew<NullaryConstructorClass>();
1016  NullaryConstructorClass* c = a.Perform(make_tuple());
1017  EXPECT_EQ(123, c->value_);
1018  delete c;
1019}
1020
1021class UnaryConstructorClass {
1022 public:
1023  explicit UnaryConstructorClass(int value) : value_(value) {}
1024  int value_;
1025};
1026
1027// Tests using ReturnNew() with a unary constructor.
1028TEST(ReturnNewTest, Unary) {
1029  Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000);
1030  UnaryConstructorClass* c = a.Perform(make_tuple());
1031  EXPECT_EQ(4000, c->value_);
1032  delete c;
1033}
1034
1035TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) {
1036  Action<UnaryConstructorClass*(bool, int)> a =
1037      ReturnNew<UnaryConstructorClass>(4000);
1038  UnaryConstructorClass* c = a.Perform(make_tuple(false, 5));
1039  EXPECT_EQ(4000, c->value_);
1040  delete c;
1041}
1042
1043TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) {
1044  Action<const UnaryConstructorClass*()> a =
1045      ReturnNew<UnaryConstructorClass>(4000);
1046  const UnaryConstructorClass* c = a.Perform(make_tuple());
1047  EXPECT_EQ(4000, c->value_);
1048  delete c;
1049}
1050
1051class TenArgConstructorClass {
1052 public:
1053  TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5,
1054                         int a6, int a7, int a8, int a9, int a10)
1055    : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {
1056  }
1057  int value_;
1058};
1059
1060// Tests using ReturnNew() with a 10-argument constructor.
1061TEST(ReturnNewTest, ConstructorThatTakes10Arguments) {
1062  Action<TenArgConstructorClass*()> a =
1063      ReturnNew<TenArgConstructorClass>(1000000000, 200000000, 30000000,
1064                                        4000000, 500000, 60000,
1065                                        7000, 800, 90, 0);
1066  TenArgConstructorClass* c = a.Perform(make_tuple());
1067  EXPECT_EQ(1234567890, c->value_);
1068  delete c;
1069}
1070
1071// Tests that ACTION_TEMPLATE works when there is no value parameter.
1072ACTION_TEMPLATE(CreateNew,
1073                HAS_1_TEMPLATE_PARAMS(typename, T),
1074                AND_0_VALUE_PARAMS()) {
1075  return new T;
1076}
1077
1078TEST(ActionTemplateTest, WorksWithoutValueParam) {
1079  const Action<int*()> a = CreateNew<int>();
1080  int* p = a.Perform(make_tuple());
1081  delete p;
1082}
1083
1084// Tests that ACTION_TEMPLATE works when there are value parameters.
1085ACTION_TEMPLATE(CreateNew,
1086                HAS_1_TEMPLATE_PARAMS(typename, T),
1087                AND_1_VALUE_PARAMS(a0)) {
1088  return new T(a0);
1089}
1090
1091TEST(ActionTemplateTest, WorksWithValueParams) {
1092  const Action<int*()> a = CreateNew<int>(42);
1093  int* p = a.Perform(make_tuple());
1094  EXPECT_EQ(42, *p);
1095  delete p;
1096}
1097
1098// Tests that ACTION_TEMPLATE works for integral template parameters.
1099ACTION_TEMPLATE(MyDeleteArg,
1100                HAS_1_TEMPLATE_PARAMS(int, k),
1101                AND_0_VALUE_PARAMS()) {
1102  delete get<k>(args);
1103}
1104
1105// Resets a bool variable in the destructor.
1106class BoolResetter {
1107 public:
1108  explicit BoolResetter(bool* value) : value_(value) {}
1109  ~BoolResetter() { *value_ = false; }
1110 private:
1111  bool* value_;
1112};
1113
1114TEST(ActionTemplateTest, WorksForIntegralTemplateParams) {
1115  const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>();
1116  int n = 0;
1117  bool b = true;
1118  BoolResetter* resetter = new BoolResetter(&b);
1119  a.Perform(make_tuple(&n, resetter));
1120  EXPECT_FALSE(b);  // Verifies that resetter is deleted.
1121}
1122
1123// Tests that ACTION_TEMPLATES works for template template parameters.
1124ACTION_TEMPLATE(ReturnSmartPointer,
1125                HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class,
1126                                      Pointer),
1127                AND_1_VALUE_PARAMS(pointee)) {
1128  return Pointer<pointee_type>(new pointee_type(pointee));
1129}
1130
1131TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) {
1132  using ::testing::internal::linked_ptr;
1133  const Action<linked_ptr<int>()> a = ReturnSmartPointer<linked_ptr>(42);
1134  linked_ptr<int> p = a.Perform(make_tuple());
1135  EXPECT_EQ(42, *p);
1136}
1137
1138// Tests that ACTION_TEMPLATE works for 10 template parameters.
1139template <typename T1, typename T2, typename T3, int k4, bool k5,
1140          unsigned int k6, typename T7, typename T8, typename T9>
1141struct GiantTemplate {
1142 public:
1143  explicit GiantTemplate(int a_value) : value(a_value) {}
1144  int value;
1145};
1146
1147ACTION_TEMPLATE(ReturnGiant,
1148                HAS_10_TEMPLATE_PARAMS(
1149                    typename, T1,
1150                    typename, T2,
1151                    typename, T3,
1152                    int, k4,
1153                    bool, k5,
1154                    unsigned int, k6,
1155                    class, T7,
1156                    class, T8,
1157                    class, T9,
1158                    template <typename T> class, T10),
1159                AND_1_VALUE_PARAMS(value)) {
1160  return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value);
1161}
1162
1163TEST(ActionTemplateTest, WorksFor10TemplateParameters) {
1164  using ::testing::internal::linked_ptr;
1165  typedef GiantTemplate<linked_ptr<int>, bool, double, 5,
1166      true, 6, char, unsigned, int> Giant;
1167  const Action<Giant()> a = ReturnGiant<
1168      int, bool, double, 5, true, 6, char, unsigned, int, linked_ptr>(42);
1169  Giant giant = a.Perform(make_tuple());
1170  EXPECT_EQ(42, giant.value);
1171}
1172
1173// Tests that ACTION_TEMPLATE works for 10 value parameters.
1174ACTION_TEMPLATE(ReturnSum,
1175                HAS_1_TEMPLATE_PARAMS(typename, Number),
1176                AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) {
1177  return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10;
1178}
1179
1180TEST(ActionTemplateTest, WorksFor10ValueParameters) {
1181  const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
1182  EXPECT_EQ(55, a.Perform(make_tuple()));
1183}
1184
1185// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded
1186// on the number of value parameters.
1187
1188ACTION(ReturnSum) { return 0; }
1189
1190ACTION_P(ReturnSum, x) { return x; }
1191
1192ACTION_TEMPLATE(ReturnSum,
1193                HAS_1_TEMPLATE_PARAMS(typename, Number),
1194                AND_2_VALUE_PARAMS(v1, v2)) {
1195  return static_cast<Number>(v1) + v2;
1196}
1197
1198ACTION_TEMPLATE(ReturnSum,
1199                HAS_1_TEMPLATE_PARAMS(typename, Number),
1200                AND_3_VALUE_PARAMS(v1, v2, v3)) {
1201  return static_cast<Number>(v1) + v2 + v3;
1202}
1203
1204ACTION_TEMPLATE(ReturnSum,
1205                HAS_2_TEMPLATE_PARAMS(typename, Number, int, k),
1206                AND_4_VALUE_PARAMS(v1, v2, v3, v4)) {
1207  return static_cast<Number>(v1) + v2 + v3 + v4 + k;
1208}
1209
1210TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) {
1211  const Action<int()> a0 = ReturnSum();
1212  const Action<int()> a1 = ReturnSum(1);
1213  const Action<int()> a2 = ReturnSum<int>(1, 2);
1214  const Action<int()> a3 = ReturnSum<int>(1, 2, 3);
1215  const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5);
1216  EXPECT_EQ(0, a0.Perform(make_tuple()));
1217  EXPECT_EQ(1, a1.Perform(make_tuple()));
1218  EXPECT_EQ(3, a2.Perform(make_tuple()));
1219  EXPECT_EQ(6, a3.Perform(make_tuple()));
1220  EXPECT_EQ(12345, a4.Perform(make_tuple()));
1221}
1222
1223#ifdef _MSC_VER
1224# pragma warning(pop)
1225#endif
1226
1227}  // namespace gmock_generated_actions_test
1228}  // namespace testing
1229