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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 ::std::tr1::get;
50using ::std::tr1::make_tuple;
51using ::std::tr1::tuple;
52using ::std::tr1::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  EXPECT_EQ(8, a.Perform(make_tuple(CharPtr("hi"), 2, 10)));
380}
381
382// Tests using WithArgs to pass all original arguments in the original order.
383TEST(WithArgsTest, Identity) {
384  Action<int(int x, char y, short z)> a =  // NOLINT
385      WithArgs<0, 1, 2>(Invoke(Ternary));
386  EXPECT_EQ(123, a.Perform(make_tuple(100, Char(20), Short(3))));
387}
388
389// Tests using WithArgs with repeated arguments.
390TEST(WithArgsTest, RepeatedArguments) {
391  Action<int(bool, int m, int n)> a =  // NOLINT
392      WithArgs<1, 1, 1, 1>(Invoke(SumOf4));
393  EXPECT_EQ(4, a.Perform(make_tuple(false, 1, 10)));
394}
395
396// Tests using WithArgs with reversed argument order.
397TEST(WithArgsTest, ReversedArgumentOrder) {
398  Action<const char*(short n, const char* input)> a =  // NOLINT
399      WithArgs<1, 0>(Invoke(Binary));
400  const char s[] = "Hello";
401  EXPECT_EQ(s + 2, a.Perform(make_tuple(Short(2), CharPtr(s))));
402}
403
404// Tests using WithArgs with compatible, but not identical, argument types.
405TEST(WithArgsTest, ArgsOfCompatibleTypes) {
406  Action<long(short x, char y, double z, char c)> a =  // NOLINT
407      WithArgs<0, 1, 3>(Invoke(Ternary));
408  EXPECT_EQ(123, a.Perform(make_tuple(Short(100), Char(20), 5.6, Char(3))));
409}
410
411// Tests using WithArgs with an action that returns void.
412TEST(WithArgsTest, VoidAction) {
413  Action<void(double x, char c, int n)> a = WithArgs<2, 1>(Invoke(VoidBinary));
414  g_done = false;
415  a.Perform(make_tuple(1.5, 'a', 3));
416  EXPECT_TRUE(g_done);
417}
418
419// Tests DoAll(a1, a2).
420TEST(DoAllTest, TwoActions) {
421  int n = 0;
422  Action<int(int*)> a = DoAll(SetArgPointee<0>(1),  // NOLINT
423                              Return(2));
424  EXPECT_EQ(2, a.Perform(make_tuple(&n)));
425  EXPECT_EQ(1, n);
426}
427
428// Tests DoAll(a1, a2, a3).
429TEST(DoAllTest, ThreeActions) {
430  int m = 0, n = 0;
431  Action<int(int*, int*)> a = DoAll(SetArgPointee<0>(1),  // NOLINT
432                                    SetArgPointee<1>(2),
433                                    Return(3));
434  EXPECT_EQ(3, a.Perform(make_tuple(&m, &n)));
435  EXPECT_EQ(1, m);
436  EXPECT_EQ(2, n);
437}
438
439// Tests DoAll(a1, a2, a3, a4).
440TEST(DoAllTest, FourActions) {
441  int m = 0, n = 0;
442  char ch = '\0';
443  Action<int(int*, int*, char*)> a =  // NOLINT
444      DoAll(SetArgPointee<0>(1),
445            SetArgPointee<1>(2),
446            SetArgPointee<2>('a'),
447            Return(3));
448  EXPECT_EQ(3, a.Perform(make_tuple(&m, &n, &ch)));
449  EXPECT_EQ(1, m);
450  EXPECT_EQ(2, n);
451  EXPECT_EQ('a', ch);
452}
453
454// Tests DoAll(a1, a2, a3, a4, a5).
455TEST(DoAllTest, FiveActions) {
456  int m = 0, n = 0;
457  char a = '\0', b = '\0';
458  Action<int(int*, int*, char*, char*)> action =  // NOLINT
459      DoAll(SetArgPointee<0>(1),
460            SetArgPointee<1>(2),
461            SetArgPointee<2>('a'),
462            SetArgPointee<3>('b'),
463            Return(3));
464  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b)));
465  EXPECT_EQ(1, m);
466  EXPECT_EQ(2, n);
467  EXPECT_EQ('a', a);
468  EXPECT_EQ('b', b);
469}
470
471// Tests DoAll(a1, a2, ..., a6).
472TEST(DoAllTest, SixActions) {
473  int m = 0, n = 0;
474  char a = '\0', b = '\0', c = '\0';
475  Action<int(int*, int*, char*, char*, char*)> action =  // NOLINT
476      DoAll(SetArgPointee<0>(1),
477            SetArgPointee<1>(2),
478            SetArgPointee<2>('a'),
479            SetArgPointee<3>('b'),
480            SetArgPointee<4>('c'),
481            Return(3));
482  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c)));
483  EXPECT_EQ(1, m);
484  EXPECT_EQ(2, n);
485  EXPECT_EQ('a', a);
486  EXPECT_EQ('b', b);
487  EXPECT_EQ('c', c);
488}
489
490// Tests DoAll(a1, a2, ..., a7).
491TEST(DoAllTest, SevenActions) {
492  int m = 0, n = 0;
493  char a = '\0', b = '\0', c = '\0', d = '\0';
494  Action<int(int*, int*, char*, char*, char*, char*)> action =  // NOLINT
495      DoAll(SetArgPointee<0>(1),
496            SetArgPointee<1>(2),
497            SetArgPointee<2>('a'),
498            SetArgPointee<3>('b'),
499            SetArgPointee<4>('c'),
500            SetArgPointee<5>('d'),
501            Return(3));
502  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d)));
503  EXPECT_EQ(1, m);
504  EXPECT_EQ(2, n);
505  EXPECT_EQ('a', a);
506  EXPECT_EQ('b', b);
507  EXPECT_EQ('c', c);
508  EXPECT_EQ('d', d);
509}
510
511// Tests DoAll(a1, a2, ..., a8).
512TEST(DoAllTest, EightActions) {
513  int m = 0, n = 0;
514  char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0';
515  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
516             char*)> action =
517      DoAll(SetArgPointee<0>(1),
518            SetArgPointee<1>(2),
519            SetArgPointee<2>('a'),
520            SetArgPointee<3>('b'),
521            SetArgPointee<4>('c'),
522            SetArgPointee<5>('d'),
523            SetArgPointee<6>('e'),
524            Return(3));
525  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e)));
526  EXPECT_EQ(1, m);
527  EXPECT_EQ(2, n);
528  EXPECT_EQ('a', a);
529  EXPECT_EQ('b', b);
530  EXPECT_EQ('c', c);
531  EXPECT_EQ('d', d);
532  EXPECT_EQ('e', e);
533}
534
535// Tests DoAll(a1, a2, ..., a9).
536TEST(DoAllTest, NineActions) {
537  int m = 0, n = 0;
538  char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0';
539  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
540             char*, char*)> action =
541      DoAll(SetArgPointee<0>(1),
542            SetArgPointee<1>(2),
543            SetArgPointee<2>('a'),
544            SetArgPointee<3>('b'),
545            SetArgPointee<4>('c'),
546            SetArgPointee<5>('d'),
547            SetArgPointee<6>('e'),
548            SetArgPointee<7>('f'),
549            Return(3));
550  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f)));
551  EXPECT_EQ(1, m);
552  EXPECT_EQ(2, n);
553  EXPECT_EQ('a', a);
554  EXPECT_EQ('b', b);
555  EXPECT_EQ('c', c);
556  EXPECT_EQ('d', d);
557  EXPECT_EQ('e', e);
558  EXPECT_EQ('f', f);
559}
560
561// Tests DoAll(a1, a2, ..., a10).
562TEST(DoAllTest, TenActions) {
563  int m = 0, n = 0;
564  char a = '\0', b = '\0', c = '\0', d = '\0';
565  char e = '\0', f = '\0', g = '\0';
566  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
567             char*, char*, char*)> action =
568      DoAll(SetArgPointee<0>(1),
569            SetArgPointee<1>(2),
570            SetArgPointee<2>('a'),
571            SetArgPointee<3>('b'),
572            SetArgPointee<4>('c'),
573            SetArgPointee<5>('d'),
574            SetArgPointee<6>('e'),
575            SetArgPointee<7>('f'),
576            SetArgPointee<8>('g'),
577            Return(3));
578  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g)));
579  EXPECT_EQ(1, m);
580  EXPECT_EQ(2, n);
581  EXPECT_EQ('a', a);
582  EXPECT_EQ('b', b);
583  EXPECT_EQ('c', c);
584  EXPECT_EQ('d', d);
585  EXPECT_EQ('e', e);
586  EXPECT_EQ('f', f);
587  EXPECT_EQ('g', g);
588}
589
590// The ACTION*() macros trigger warning C4100 (unreferenced formal
591// parameter) in MSVC with -W4.  Unfortunately they cannot be fixed in
592// the macro definition, as the warnings are generated when the macro
593// is expanded and macro expansion cannot contain #pragma.  Therefore
594// we suppress them here.
595#ifdef _MSC_VER
596# pragma warning(push)
597# pragma warning(disable:4100)
598#endif
599
600// Tests the ACTION*() macro family.
601
602// Tests that ACTION() can define an action that doesn't reference the
603// mock function arguments.
604ACTION(Return5) { return 5; }
605
606TEST(ActionMacroTest, WorksWhenNotReferencingArguments) {
607  Action<double()> a1 = Return5();
608  EXPECT_DOUBLE_EQ(5, a1.Perform(make_tuple()));
609
610  Action<int(double, bool)> a2 = Return5();
611  EXPECT_EQ(5, a2.Perform(make_tuple(1, true)));
612}
613
614// Tests that ACTION() can define an action that returns void.
615ACTION(IncrementArg1) { (*arg1)++; }
616
617TEST(ActionMacroTest, WorksWhenReturningVoid) {
618  Action<void(int, int*)> a1 = IncrementArg1();
619  int n = 0;
620  a1.Perform(make_tuple(5, &n));
621  EXPECT_EQ(1, n);
622}
623
624// Tests that the body of ACTION() can reference the type of the
625// argument.
626ACTION(IncrementArg2) {
627  StaticAssertTypeEq<int*, arg2_type>();
628  arg2_type temp = arg2;
629  (*temp)++;
630}
631
632TEST(ActionMacroTest, CanReferenceArgumentType) {
633  Action<void(int, bool, int*)> a1 = IncrementArg2();
634  int n = 0;
635  a1.Perform(make_tuple(5, false, &n));
636  EXPECT_EQ(1, n);
637}
638
639// Tests that the body of ACTION() can reference the argument tuple
640// via args_type and args.
641ACTION(Sum2) {
642  StaticAssertTypeEq< ::std::tr1::tuple<int, char, int*>, args_type>();
643  args_type args_copy = args;
644  return get<0>(args_copy) + get<1>(args_copy);
645}
646
647TEST(ActionMacroTest, CanReferenceArgumentTuple) {
648  Action<int(int, char, int*)> a1 = Sum2();
649  int dummy = 0;
650  EXPECT_EQ(11, a1.Perform(make_tuple(5, Char(6), &dummy)));
651}
652
653// Tests that the body of ACTION() can reference the mock function
654// type.
655int Dummy(bool flag) { return flag? 1 : 0; }
656
657ACTION(InvokeDummy) {
658  StaticAssertTypeEq<int(bool), function_type>();
659  function_type* fp = &Dummy;
660  return (*fp)(true);
661}
662
663TEST(ActionMacroTest, CanReferenceMockFunctionType) {
664  Action<int(bool)> a1 = InvokeDummy();
665  EXPECT_EQ(1, a1.Perform(make_tuple(true)));
666  EXPECT_EQ(1, a1.Perform(make_tuple(false)));
667}
668
669// Tests that the body of ACTION() can reference the mock function's
670// return type.
671ACTION(InvokeDummy2) {
672  StaticAssertTypeEq<int, return_type>();
673  return_type result = Dummy(true);
674  return result;
675}
676
677TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) {
678  Action<int(bool)> a1 = InvokeDummy2();
679  EXPECT_EQ(1, a1.Perform(make_tuple(true)));
680  EXPECT_EQ(1, a1.Perform(make_tuple(false)));
681}
682
683// Tests that ACTION() works for arguments passed by const reference.
684ACTION(ReturnAddrOfConstBoolReferenceArg) {
685  StaticAssertTypeEq<const bool&, arg1_type>();
686  return &arg1;
687}
688
689TEST(ActionMacroTest, WorksForConstReferenceArg) {
690  Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg();
691  const bool b = false;
692  EXPECT_EQ(&b, a.Perform(tuple<int, const bool&>(0, b)));
693}
694
695// Tests that ACTION() works for arguments passed by non-const reference.
696ACTION(ReturnAddrOfIntReferenceArg) {
697  StaticAssertTypeEq<int&, arg0_type>();
698  return &arg0;
699}
700
701TEST(ActionMacroTest, WorksForNonConstReferenceArg) {
702  Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg();
703  int n = 0;
704  EXPECT_EQ(&n, a.Perform(tuple<int&, bool, int>(n, true, 1)));
705}
706
707// Tests that ACTION() can be used in a namespace.
708namespace action_test {
709ACTION(Sum) { return arg0 + arg1; }
710}  // namespace action_test
711
712TEST(ActionMacroTest, WorksInNamespace) {
713  Action<int(int, int)> a1 = action_test::Sum();
714  EXPECT_EQ(3, a1.Perform(make_tuple(1, 2)));
715}
716
717// Tests that the same ACTION definition works for mock functions with
718// different argument numbers.
719ACTION(PlusTwo) { return arg0 + 2; }
720
721TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) {
722  Action<int(int)> a1 = PlusTwo();
723  EXPECT_EQ(4, a1.Perform(make_tuple(2)));
724
725  Action<double(float, void*)> a2 = PlusTwo();
726  int dummy;
727  EXPECT_DOUBLE_EQ(6, a2.Perform(make_tuple(4.0f, &dummy)));
728}
729
730// Tests that ACTION_P can define a parameterized action.
731ACTION_P(Plus, n) { return arg0 + n; }
732
733TEST(ActionPMacroTest, DefinesParameterizedAction) {
734  Action<int(int m, bool t)> a1 = Plus(9);
735  EXPECT_EQ(10, a1.Perform(make_tuple(1, true)));
736}
737
738// Tests that the body of ACTION_P can reference the argument types
739// and the parameter type.
740ACTION_P(TypedPlus, n) {
741  arg0_type t1 = arg0;
742  n_type t2 = n;
743  return t1 + t2;
744}
745
746TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) {
747  Action<int(char m, bool t)> a1 = TypedPlus(9);
748  EXPECT_EQ(10, a1.Perform(make_tuple(Char(1), true)));
749}
750
751// Tests that a parameterized action can be used in any mock function
752// whose type is compatible.
753TEST(ActionPMacroTest, WorksInCompatibleMockFunction) {
754  Action<std::string(const std::string& s)> a1 = Plus("tail");
755  const std::string re = "re";
756  EXPECT_EQ("retail", a1.Perform(make_tuple(re)));
757}
758
759// Tests that we can use ACTION*() to define actions overloaded on the
760// number of parameters.
761
762ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; }
763
764ACTION_P(OverloadedAction, default_value) {
765  return arg0 ? arg1 : default_value;
766}
767
768ACTION_P2(OverloadedAction, true_value, false_value) {
769  return arg0 ? true_value : false_value;
770}
771
772TEST(ActionMacroTest, CanDefineOverloadedActions) {
773  typedef Action<const char*(bool, const char*)> MyAction;
774
775  const MyAction a1 = OverloadedAction();
776  EXPECT_STREQ("hello", a1.Perform(make_tuple(false, CharPtr("world"))));
777  EXPECT_STREQ("world", a1.Perform(make_tuple(true, CharPtr("world"))));
778
779  const MyAction a2 = OverloadedAction("hi");
780  EXPECT_STREQ("hi", a2.Perform(make_tuple(false, CharPtr("world"))));
781  EXPECT_STREQ("world", a2.Perform(make_tuple(true, CharPtr("world"))));
782
783  const MyAction a3 = OverloadedAction("hi", "you");
784  EXPECT_STREQ("hi", a3.Perform(make_tuple(true, CharPtr("world"))));
785  EXPECT_STREQ("you", a3.Perform(make_tuple(false, CharPtr("world"))));
786}
787
788// Tests ACTION_Pn where n >= 3.
789
790ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; }
791
792TEST(ActionPnMacroTest, WorksFor3Parameters) {
793  Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4);
794  EXPECT_DOUBLE_EQ(3123.4, a1.Perform(make_tuple(3000, true)));
795
796  Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">");
797  const std::string re = "re";
798  EXPECT_EQ("retail->", a2.Perform(make_tuple(re)));
799}
800
801ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }
802
803TEST(ActionPnMacroTest, WorksFor4Parameters) {
804  Action<int(int)> a1 = Plus(1, 2, 3, 4);
805  EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(make_tuple(10)));
806}
807
808ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }
809
810TEST(ActionPnMacroTest, WorksFor5Parameters) {
811  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5);
812  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(make_tuple(10)));
813}
814
815ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
816  return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
817}
818
819TEST(ActionPnMacroTest, WorksFor6Parameters) {
820  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6);
821  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(make_tuple(10)));
822}
823
824ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
825  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
826}
827
828TEST(ActionPnMacroTest, WorksFor7Parameters) {
829  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7);
830  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(make_tuple(10)));
831}
832
833ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
834  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
835}
836
837TEST(ActionPnMacroTest, WorksFor8Parameters) {
838  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8);
839  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8, a1.Perform(make_tuple(10)));
840}
841
842ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) {
843  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8;
844}
845
846TEST(ActionPnMacroTest, WorksFor9Parameters) {
847  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9);
848  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9, a1.Perform(make_tuple(10)));
849}
850
851ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) {
852  arg0_type t0 = arg0;
853  last_param_type t9 = last_param;
854  return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9;
855}
856
857TEST(ActionPnMacroTest, WorksFor10Parameters) {
858  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
859  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10,
860            a1.Perform(make_tuple(10)));
861}
862
863// Tests that the action body can promote the parameter types.
864
865ACTION_P2(PadArgument, prefix, suffix) {
866  // The following lines promote the two parameters to desired types.
867  std::string prefix_str(prefix);
868  char suffix_char = static_cast<char>(suffix);
869  return prefix_str + arg0 + suffix_char;
870}
871
872TEST(ActionPnMacroTest, SimpleTypePromotion) {
873  Action<std::string(const char*)> no_promo =
874      PadArgument(std::string("foo"), 'r');
875  Action<std::string(const char*)> promo =
876      PadArgument("foo", static_cast<int>('r'));
877  EXPECT_EQ("foobar", no_promo.Perform(make_tuple(CharPtr("ba"))));
878  EXPECT_EQ("foobar", promo.Perform(make_tuple(CharPtr("ba"))));
879}
880
881// Tests that we can partially restrict parameter types using a
882// straight-forward pattern.
883
884// Defines a generic action that doesn't restrict the types of its
885// parameters.
886ACTION_P3(ConcatImpl, a, b, c) {
887  std::stringstream ss;
888  ss << a << b << c;
889  return ss.str();
890}
891
892// Next, we try to restrict that either the first parameter is a
893// string, or the second parameter is an int.
894
895// Defines a partially specialized wrapper that restricts the first
896// parameter to std::string.
897template <typename T1, typename T2>
898// ConcatImplActionP3 is the class template ACTION_P3 uses to
899// implement ConcatImpl.  We shouldn't change the name as this
900// pattern requires the user to use it directly.
901ConcatImplActionP3<std::string, T1, T2>
902Concat(const std::string& a, T1 b, T2 c) {
903  if (true) {
904    // This branch verifies that ConcatImpl() can be invoked without
905    // explicit template arguments.
906    return ConcatImpl(a, b, c);
907  } else {
908    // This branch verifies that ConcatImpl() can also be invoked with
909    // explicit template arguments.  It doesn't really need to be
910    // executed as this is a compile-time verification.
911    return ConcatImpl<std::string, T1, T2>(a, b, c);
912  }
913}
914
915// Defines another partially specialized wrapper that restricts the
916// second parameter to int.
917template <typename T1, typename T2>
918ConcatImplActionP3<T1, int, T2>
919Concat(T1 a, int b, T2 c) {
920  return ConcatImpl(a, b, c);
921}
922
923TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) {
924  Action<const std::string()> a1 = Concat("Hello", "1", 2);
925  EXPECT_EQ("Hello12", a1.Perform(make_tuple()));
926
927  a1 = Concat(1, 2, 3);
928  EXPECT_EQ("123", a1.Perform(make_tuple()));
929}
930
931// Verifies the type of an ACTION*.
932
933ACTION(DoFoo) {}
934ACTION_P(DoFoo, p) {}
935ACTION_P2(DoFoo, p0, p1) {}
936
937TEST(ActionPnMacroTest, TypesAreCorrect) {
938  // DoFoo() must be assignable to a DoFooAction variable.
939  DoFooAction a0 = DoFoo();
940
941  // DoFoo(1) must be assignable to a DoFooActionP variable.
942  DoFooActionP<int> a1 = DoFoo(1);
943
944  // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk
945  // variable, and so on.
946  DoFooActionP2<int, char> a2 = DoFoo(1, '2');
947  PlusActionP3<int, int, char> a3 = Plus(1, 2, '3');
948  PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4');
949  PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5');
950  PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6');
951  PlusActionP7<int, int, int, int, int, int, char> a7 =
952      Plus(1, 2, 3, 4, 5, 6, '7');
953  PlusActionP8<int, int, int, int, int, int, int, char> a8 =
954      Plus(1, 2, 3, 4, 5, 6, 7, '8');
955  PlusActionP9<int, int, int, int, int, int, int, int, char> a9 =
956      Plus(1, 2, 3, 4, 5, 6, 7, 8, '9');
957  PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 =
958      Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
959}
960
961// Tests that an ACTION_P*() action can be explicitly instantiated
962// with reference-typed parameters.
963
964ACTION_P(Plus1, x) { return x; }
965ACTION_P2(Plus2, x, y) { return x + y; }
966ACTION_P3(Plus3, x, y, z) { return x + y + z; }
967ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
968  return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9;
969}
970
971TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) {
972  int x = 1, y = 2, z = 3;
973  const tuple<> empty = make_tuple();
974
975  Action<int()> a = Plus1<int&>(x);
976  EXPECT_EQ(1, a.Perform(empty));
977
978  a = Plus2<const int&, int&>(x, y);
979  EXPECT_EQ(3, a.Perform(empty));
980
981  a = Plus3<int&, const int&, int&>(x, y, z);
982  EXPECT_EQ(6, a.Perform(empty));
983
984  int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
985  a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&,
986      int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7],
987                              n[8], n[9]);
988  EXPECT_EQ(55, a.Perform(empty));
989}
990
991class NullaryConstructorClass {
992 public:
993  NullaryConstructorClass() : value_(123) {}
994  int value_;
995};
996
997// Tests using ReturnNew() with a nullary constructor.
998TEST(ReturnNewTest, NoArgs) {
999  Action<NullaryConstructorClass*()> a = ReturnNew<NullaryConstructorClass>();
1000  NullaryConstructorClass* c = a.Perform(make_tuple());
1001  EXPECT_EQ(123, c->value_);
1002  delete c;
1003}
1004
1005class UnaryConstructorClass {
1006 public:
1007  explicit UnaryConstructorClass(int value) : value_(value) {}
1008  int value_;
1009};
1010
1011// Tests using ReturnNew() with a unary constructor.
1012TEST(ReturnNewTest, Unary) {
1013  Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000);
1014  UnaryConstructorClass* c = a.Perform(make_tuple());
1015  EXPECT_EQ(4000, c->value_);
1016  delete c;
1017}
1018
1019TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) {
1020  Action<UnaryConstructorClass*(bool, int)> a =
1021      ReturnNew<UnaryConstructorClass>(4000);
1022  UnaryConstructorClass* c = a.Perform(make_tuple(false, 5));
1023  EXPECT_EQ(4000, c->value_);
1024  delete c;
1025}
1026
1027TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) {
1028  Action<const UnaryConstructorClass*()> a =
1029      ReturnNew<UnaryConstructorClass>(4000);
1030  const UnaryConstructorClass* c = a.Perform(make_tuple());
1031  EXPECT_EQ(4000, c->value_);
1032  delete c;
1033}
1034
1035class TenArgConstructorClass {
1036 public:
1037  TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5,
1038                         int a6, int a7, int a8, int a9, int a10)
1039    : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {
1040  }
1041  int value_;
1042};
1043
1044// Tests using ReturnNew() with a 10-argument constructor.
1045TEST(ReturnNewTest, ConstructorThatTakes10Arguments) {
1046  Action<TenArgConstructorClass*()> a =
1047      ReturnNew<TenArgConstructorClass>(1000000000, 200000000, 30000000,
1048                                        4000000, 500000, 60000,
1049                                        7000, 800, 90, 0);
1050  TenArgConstructorClass* c = a.Perform(make_tuple());
1051  EXPECT_EQ(1234567890, c->value_);
1052  delete c;
1053}
1054
1055// Tests that ACTION_TEMPLATE works when there is no value parameter.
1056ACTION_TEMPLATE(CreateNew,
1057                HAS_1_TEMPLATE_PARAMS(typename, T),
1058                AND_0_VALUE_PARAMS()) {
1059  return new T;
1060}
1061
1062TEST(ActionTemplateTest, WorksWithoutValueParam) {
1063  const Action<int*()> a = CreateNew<int>();
1064  int* p = a.Perform(make_tuple());
1065  delete p;
1066}
1067
1068// Tests that ACTION_TEMPLATE works when there are value parameters.
1069ACTION_TEMPLATE(CreateNew,
1070                HAS_1_TEMPLATE_PARAMS(typename, T),
1071                AND_1_VALUE_PARAMS(a0)) {
1072  return new T(a0);
1073}
1074
1075TEST(ActionTemplateTest, WorksWithValueParams) {
1076  const Action<int*()> a = CreateNew<int>(42);
1077  int* p = a.Perform(make_tuple());
1078  EXPECT_EQ(42, *p);
1079  delete p;
1080}
1081
1082// Tests that ACTION_TEMPLATE works for integral template parameters.
1083ACTION_TEMPLATE(MyDeleteArg,
1084                HAS_1_TEMPLATE_PARAMS(int, k),
1085                AND_0_VALUE_PARAMS()) {
1086  delete std::tr1::get<k>(args);
1087}
1088
1089// Resets a bool variable in the destructor.
1090class BoolResetter {
1091 public:
1092  explicit BoolResetter(bool* value) : value_(value) {}
1093  ~BoolResetter() { *value_ = false; }
1094 private:
1095  bool* value_;
1096};
1097
1098TEST(ActionTemplateTest, WorksForIntegralTemplateParams) {
1099  const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>();
1100  int n = 0;
1101  bool b = true;
1102  BoolResetter* resetter = new BoolResetter(&b);
1103  a.Perform(make_tuple(&n, resetter));
1104  EXPECT_FALSE(b);  // Verifies that resetter is deleted.
1105}
1106
1107// Tests that ACTION_TEMPLATES works for template template parameters.
1108ACTION_TEMPLATE(ReturnSmartPointer,
1109                HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class,
1110                                      Pointer),
1111                AND_1_VALUE_PARAMS(pointee)) {
1112  return Pointer<pointee_type>(new pointee_type(pointee));
1113}
1114
1115TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) {
1116  using ::testing::internal::linked_ptr;
1117  const Action<linked_ptr<int>()> a = ReturnSmartPointer<linked_ptr>(42);
1118  linked_ptr<int> p = a.Perform(make_tuple());
1119  EXPECT_EQ(42, *p);
1120}
1121
1122// Tests that ACTION_TEMPLATE works for 10 template parameters.
1123template <typename T1, typename T2, typename T3, int k4, bool k5,
1124          unsigned int k6, typename T7, typename T8, typename T9>
1125struct GiantTemplate {
1126 public:
1127  explicit GiantTemplate(int a_value) : value(a_value) {}
1128  int value;
1129};
1130
1131ACTION_TEMPLATE(ReturnGiant,
1132                HAS_10_TEMPLATE_PARAMS(
1133                    typename, T1,
1134                    typename, T2,
1135                    typename, T3,
1136                    int, k4,
1137                    bool, k5,
1138                    unsigned int, k6,
1139                    class, T7,
1140                    class, T8,
1141                    class, T9,
1142                    template <typename T> class, T10),
1143                AND_1_VALUE_PARAMS(value)) {
1144  return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value);
1145}
1146
1147TEST(ActionTemplateTest, WorksFor10TemplateParameters) {
1148  using ::testing::internal::linked_ptr;
1149  typedef GiantTemplate<linked_ptr<int>, bool, double, 5,
1150      true, 6, char, unsigned, int> Giant;
1151  const Action<Giant()> a = ReturnGiant<
1152      int, bool, double, 5, true, 6, char, unsigned, int, linked_ptr>(42);
1153  Giant giant = a.Perform(make_tuple());
1154  EXPECT_EQ(42, giant.value);
1155}
1156
1157// Tests that ACTION_TEMPLATE works for 10 value parameters.
1158ACTION_TEMPLATE(ReturnSum,
1159                HAS_1_TEMPLATE_PARAMS(typename, Number),
1160                AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) {
1161  return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10;
1162}
1163
1164TEST(ActionTemplateTest, WorksFor10ValueParameters) {
1165  const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
1166  EXPECT_EQ(55, a.Perform(make_tuple()));
1167}
1168
1169// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded
1170// on the number of value parameters.
1171
1172ACTION(ReturnSum) { return 0; }
1173
1174ACTION_P(ReturnSum, x) { return x; }
1175
1176ACTION_TEMPLATE(ReturnSum,
1177                HAS_1_TEMPLATE_PARAMS(typename, Number),
1178                AND_2_VALUE_PARAMS(v1, v2)) {
1179  return static_cast<Number>(v1) + v2;
1180}
1181
1182ACTION_TEMPLATE(ReturnSum,
1183                HAS_1_TEMPLATE_PARAMS(typename, Number),
1184                AND_3_VALUE_PARAMS(v1, v2, v3)) {
1185  return static_cast<Number>(v1) + v2 + v3;
1186}
1187
1188ACTION_TEMPLATE(ReturnSum,
1189                HAS_2_TEMPLATE_PARAMS(typename, Number, int, k),
1190                AND_4_VALUE_PARAMS(v1, v2, v3, v4)) {
1191  return static_cast<Number>(v1) + v2 + v3 + v4 + k;
1192}
1193
1194TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) {
1195  const Action<int()> a0 = ReturnSum();
1196  const Action<int()> a1 = ReturnSum(1);
1197  const Action<int()> a2 = ReturnSum<int>(1, 2);
1198  const Action<int()> a3 = ReturnSum<int>(1, 2, 3);
1199  const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5);
1200  EXPECT_EQ(0, a0.Perform(make_tuple()));
1201  EXPECT_EQ(1, a1.Perform(make_tuple()));
1202  EXPECT_EQ(3, a2.Perform(make_tuple()));
1203  EXPECT_EQ(6, a3.Perform(make_tuple()));
1204  EXPECT_EQ(12345, a4.Perform(make_tuple()));
1205}
1206
1207#ifdef _MSC_VER
1208# pragma warning(pop)
1209#endif
1210
1211}  // namespace gmock_generated_actions_test
1212}  // namespace testing
1213