1// Copyright 2007, Google Inc.
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17//
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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
35#include "gmock/gmock-generated-actions.h"
36
37#include <functional>
38#include <sstream>
39#include <string>
40#include "gmock/gmock.h"
41#include "gtest/gtest.h"
42
43namespace testing {
44namespace gmock_generated_actions_test {
45
46using ::std::plus;
47using ::std::string;
48using testing::get;
49using testing::make_tuple;
50using testing::tuple;
51using testing::tuple_element;
52using testing::_;
53using testing::Action;
54using testing::ActionInterface;
55using testing::ByRef;
56using testing::DoAll;
57using testing::Invoke;
58using testing::Return;
59using testing::ReturnNew;
60using testing::SetArgPointee;
61using testing::StaticAssertTypeEq;
62using testing::Unused;
63using testing::WithArgs;
64
65// For suppressing compiler warnings on conversion possibly losing precision.
66inline short Short(short n) { return n; }  // NOLINT
67inline char Char(char ch) { return ch; }
68
69// Sample functions and functors for testing various actions.
70int Nullary() { return 1; }
71
72class NullaryFunctor {
73 public:
74  int operator()() { return 2; }
75};
76
77bool g_done = false;
78
79bool Unary(int x) { return x < 0; }
80
81const char* Plus1(const char* s) { return s + 1; }
82
83bool ByConstRef(const std::string& s) { return s == "Hi"; }
84
85const double g_double = 0;
86bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
87
88std::string ByNonConstRef(std::string& s) { return s += "+"; }  // NOLINT
89
90struct UnaryFunctor {
91  int operator()(bool x) { return x ? 1 : -1; }
92};
93
94const char* Binary(const char* input, short n) { return input + n; }  // NOLINT
95
96void VoidBinary(int, char) { g_done = true; }
97
98int Ternary(int x, char y, short z) { return x + y + z; }  // NOLINT
99
100void VoidTernary(int, char, bool) { g_done = true; }
101
102int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
103
104std::string Concat4(const char* s1, const char* s2, const char* s3,
105                    const char* s4) {
106  return std::string(s1) + s2 + s3 + s4;
107}
108
109int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
110
111struct SumOf5Functor {
112  int operator()(int a, int b, int c, int d, int e) {
113    return a + b + c + d + e;
114  }
115};
116
117std::string Concat5(const char* s1, const char* s2, const char* s3,
118                    const char* s4, const char* s5) {
119  return std::string(s1) + s2 + s3 + s4 + s5;
120}
121
122int SumOf6(int a, int b, int c, int d, int e, int f) {
123  return a + b + c + d + e + f;
124}
125
126struct SumOf6Functor {
127  int operator()(int a, int b, int c, int d, int e, int f) {
128    return a + b + c + d + e + f;
129  }
130};
131
132std::string Concat6(const char* s1, const char* s2, const char* s3,
133                    const char* s4, const char* s5, const char* s6) {
134  return std::string(s1) + s2 + s3 + s4 + s5 + s6;
135}
136
137std::string Concat7(const char* s1, const char* s2, const char* s3,
138                    const char* s4, const char* s5, const char* s6,
139                    const char* s7) {
140  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
141}
142
143std::string Concat8(const char* s1, const char* s2, const char* s3,
144                    const char* s4, const char* s5, const char* s6,
145                    const char* s7, const char* s8) {
146  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
147}
148
149std::string Concat9(const char* s1, const char* s2, const char* s3,
150                    const char* s4, const char* s5, const char* s6,
151                    const char* s7, const char* s8, const char* s9) {
152  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
153}
154
155std::string Concat10(const char* s1, const char* s2, const char* s3,
156                     const char* s4, const char* s5, const char* s6,
157                     const char* s7, const char* s8, const char* s9,
158                     const char* s10) {
159  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
160}
161
162// A helper that turns the type of a C-string literal from const
163// char[N] to const char*.
164inline const char* CharPtr(const char* s) { return s; }
165
166// Tests InvokeArgument<N>(...).
167
168// Tests using InvokeArgument with a nullary function.
169TEST(InvokeArgumentTest, Function0) {
170  Action<int(int, int(*)())> a = InvokeArgument<1>();  // NOLINT
171  EXPECT_EQ(1, a.Perform(make_tuple(2, &Nullary)));
172}
173
174// Tests using InvokeArgument with a unary function.
175TEST(InvokeArgumentTest, Functor1) {
176  Action<int(UnaryFunctor)> a = InvokeArgument<0>(true);  // NOLINT
177  EXPECT_EQ(1, a.Perform(make_tuple(UnaryFunctor())));
178}
179
180// Tests using InvokeArgument with a 5-ary function.
181TEST(InvokeArgumentTest, Function5) {
182  Action<int(int(*)(int, int, int, int, int))> a =  // NOLINT
183      InvokeArgument<0>(10000, 2000, 300, 40, 5);
184  EXPECT_EQ(12345, a.Perform(make_tuple(&SumOf5)));
185}
186
187// Tests using InvokeArgument with a 5-ary functor.
188TEST(InvokeArgumentTest, Functor5) {
189  Action<int(SumOf5Functor)> a =  // NOLINT
190      InvokeArgument<0>(10000, 2000, 300, 40, 5);
191  EXPECT_EQ(12345, a.Perform(make_tuple(SumOf5Functor())));
192}
193
194// Tests using InvokeArgument with a 6-ary function.
195TEST(InvokeArgumentTest, Function6) {
196  Action<int(int(*)(int, int, int, int, int, int))> a =  // NOLINT
197      InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
198  EXPECT_EQ(123456, a.Perform(make_tuple(&SumOf6)));
199}
200
201// Tests using InvokeArgument with a 6-ary functor.
202TEST(InvokeArgumentTest, Functor6) {
203  Action<int(SumOf6Functor)> a =  // NOLINT
204      InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
205  EXPECT_EQ(123456, a.Perform(make_tuple(SumOf6Functor())));
206}
207
208// Tests using InvokeArgument with a 7-ary function.
209TEST(InvokeArgumentTest, Function7) {
210  Action<std::string(std::string(*)(const char*, const char*, const char*,
211                                    const char*, const char*, const char*,
212                                    const char*))>
213      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7");
214  EXPECT_EQ("1234567", a.Perform(make_tuple(&Concat7)));
215}
216
217// Tests using InvokeArgument with a 8-ary function.
218TEST(InvokeArgumentTest, Function8) {
219  Action<std::string(std::string(*)(const char*, const char*, const char*,
220                                    const char*, const char*, const char*,
221                                    const char*, const char*))>
222      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8");
223  EXPECT_EQ("12345678", a.Perform(make_tuple(&Concat8)));
224}
225
226// Tests using InvokeArgument with a 9-ary function.
227TEST(InvokeArgumentTest, Function9) {
228  Action<std::string(std::string(*)(const char*, const char*, const char*,
229                                    const char*, const char*, const char*,
230                                    const char*, const char*, const char*))>
231      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9");
232  EXPECT_EQ("123456789", a.Perform(make_tuple(&Concat9)));
233}
234
235// Tests using InvokeArgument with a 10-ary function.
236TEST(InvokeArgumentTest, Function10) {
237  Action<std::string(std::string(*)(
238      const char*, const char*, const char*, const char*, const char*,
239      const char*, const char*, const char*, const char*, const char*))>
240      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
241  EXPECT_EQ("1234567890", a.Perform(make_tuple(&Concat10)));
242}
243
244// Tests using InvokeArgument with a function that takes a pointer argument.
245TEST(InvokeArgumentTest, ByPointerFunction) {
246  Action<const char*(const char*(*)(const char* input, short n))> a =  // NOLINT
247      InvokeArgument<0>(static_cast<const char*>("Hi"), Short(1));
248  EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
249}
250
251// Tests using InvokeArgument with a function that takes a const char*
252// by passing it a C-string literal.
253TEST(InvokeArgumentTest, FunctionWithCStringLiteral) {
254  Action<const char*(const char*(*)(const char* input, short n))> a =  // NOLINT
255      InvokeArgument<0>("Hi", Short(1));
256  EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
257}
258
259// Tests using InvokeArgument with a function that takes a const reference.
260TEST(InvokeArgumentTest, ByConstReferenceFunction) {
261  Action<bool(bool (*function)(const std::string& s))> a =  // NOLINT
262      InvokeArgument<0>(std::string("Hi"));
263  // When action 'a' is constructed, it makes a copy of the temporary
264  // string object passed to it, so it's OK to use 'a' later, when the
265  // temporary object has already died.
266  EXPECT_TRUE(a.Perform(make_tuple(&ByConstRef)));
267}
268
269// Tests using InvokeArgument with ByRef() and a function that takes a
270// const reference.
271TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) {
272  Action<bool(bool(*)(const double& x))> a =  // NOLINT
273      InvokeArgument<0>(ByRef(g_double));
274  // The above line calls ByRef() on a const value.
275  EXPECT_TRUE(a.Perform(make_tuple(&ReferencesGlobalDouble)));
276
277  double x = 0;
278  a = InvokeArgument<0>(ByRef(x));  // This calls ByRef() on a non-const.
279  EXPECT_FALSE(a.Perform(make_tuple(&ReferencesGlobalDouble)));
280}
281
282// Tests using WithArgs and with an action that takes 1 argument.
283TEST(WithArgsTest, OneArg) {
284  Action<bool(double x, int n)> a = WithArgs<1>(Invoke(Unary));  // NOLINT
285  EXPECT_TRUE(a.Perform(make_tuple(1.5, -1)));
286  EXPECT_FALSE(a.Perform(make_tuple(1.5, 1)));
287}
288
289// Tests using WithArgs with an action that takes 2 arguments.
290TEST(WithArgsTest, TwoArgs) {
291  Action<const char*(const char* s, double x, short n)> a =
292      WithArgs<0, 2>(Invoke(Binary));
293  const char s[] = "Hello";
294  EXPECT_EQ(s + 2, a.Perform(make_tuple(CharPtr(s), 0.5, Short(2))));
295}
296
297// Tests using WithArgs with an action that takes 3 arguments.
298TEST(WithArgsTest, ThreeArgs) {
299  Action<int(int, double, char, short)> a =  // NOLINT
300      WithArgs<0, 2, 3>(Invoke(Ternary));
301  EXPECT_EQ(123, a.Perform(make_tuple(100, 6.5, Char(20), Short(3))));
302}
303
304// Tests using WithArgs with an action that takes 4 arguments.
305TEST(WithArgsTest, FourArgs) {
306  Action<std::string(const char*, const char*, double, const char*,
307                     const char*)>
308      a = WithArgs<4, 3, 1, 0>(Invoke(Concat4));
309  EXPECT_EQ("4310", a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), 2.5,
310                                         CharPtr("3"), CharPtr("4"))));
311}
312
313// Tests using WithArgs with an action that takes 5 arguments.
314TEST(WithArgsTest, FiveArgs) {
315  Action<std::string(const char*, const char*, const char*, const char*,
316                     const char*)>
317      a = WithArgs<4, 3, 2, 1, 0>(Invoke(Concat5));
318  EXPECT_EQ("43210",
319            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
320                                 CharPtr("3"), CharPtr("4"))));
321}
322
323// Tests using WithArgs with an action that takes 6 arguments.
324TEST(WithArgsTest, SixArgs) {
325  Action<std::string(const char*, const char*, const char*)> a =
326      WithArgs<0, 1, 2, 2, 1, 0>(Invoke(Concat6));
327  EXPECT_EQ("012210",
328            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"))));
329}
330
331// Tests using WithArgs with an action that takes 7 arguments.
332TEST(WithArgsTest, SevenArgs) {
333  Action<std::string(const char*, const char*, const char*, const char*)> a =
334      WithArgs<0, 1, 2, 3, 2, 1, 0>(Invoke(Concat7));
335  EXPECT_EQ("0123210",
336            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
337                                 CharPtr("3"))));
338}
339
340// Tests using WithArgs with an action that takes 8 arguments.
341TEST(WithArgsTest, EightArgs) {
342  Action<std::string(const char*, const char*, const char*, const char*)> a =
343      WithArgs<0, 1, 2, 3, 0, 1, 2, 3>(Invoke(Concat8));
344  EXPECT_EQ("01230123",
345            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
346                                 CharPtr("3"))));
347}
348
349// Tests using WithArgs with an action that takes 9 arguments.
350TEST(WithArgsTest, NineArgs) {
351  Action<std::string(const char*, const char*, const char*, const char*)> a =
352      WithArgs<0, 1, 2, 3, 1, 2, 3, 2, 3>(Invoke(Concat9));
353  EXPECT_EQ("012312323",
354            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
355                                 CharPtr("3"))));
356}
357
358// Tests using WithArgs with an action that takes 10 arguments.
359TEST(WithArgsTest, TenArgs) {
360  Action<std::string(const char*, const char*, const char*, const char*)> a =
361      WithArgs<0, 1, 2, 3, 2, 1, 0, 1, 2, 3>(Invoke(Concat10));
362  EXPECT_EQ("0123210123",
363            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
364                                 CharPtr("3"))));
365}
366
367// Tests using WithArgs with an action that is not Invoke().
368class SubstractAction : public ActionInterface<int(int, int)> {  // NOLINT
369 public:
370  virtual int Perform(const tuple<int, int>& args) {
371    return get<0>(args) - get<1>(args);
372  }
373};
374
375TEST(WithArgsTest, NonInvokeAction) {
376  Action<int(const std::string&, int, int)> a =  // NOLINT
377      WithArgs<2, 1>(MakeAction(new SubstractAction));
378  tuple<std::string, int, int> dummy = make_tuple(std::string("hi"), 2, 10);
379  EXPECT_EQ(8, a.Perform(dummy));
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<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  tuple<const std::string> dummy = make_tuple(re);
757  EXPECT_EQ("retail", a1.Perform(dummy));
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  tuple<const std::string> dummy = make_tuple(re);
800  EXPECT_EQ("retail->", a2.Perform(dummy));
801}
802
803ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }
804
805TEST(ActionPnMacroTest, WorksFor4Parameters) {
806  Action<int(int)> a1 = Plus(1, 2, 3, 4);
807  EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(make_tuple(10)));
808}
809
810ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }
811
812TEST(ActionPnMacroTest, WorksFor5Parameters) {
813  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5);
814  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(make_tuple(10)));
815}
816
817ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
818  return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
819}
820
821TEST(ActionPnMacroTest, WorksFor6Parameters) {
822  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6);
823  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(make_tuple(10)));
824}
825
826ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
827  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
828}
829
830TEST(ActionPnMacroTest, WorksFor7Parameters) {
831  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7);
832  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(make_tuple(10)));
833}
834
835ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
836  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
837}
838
839TEST(ActionPnMacroTest, WorksFor8Parameters) {
840  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8);
841  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8, a1.Perform(make_tuple(10)));
842}
843
844ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) {
845  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8;
846}
847
848TEST(ActionPnMacroTest, WorksFor9Parameters) {
849  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9);
850  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9, a1.Perform(make_tuple(10)));
851}
852
853ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) {
854  arg0_type t0 = arg0;
855  last_param_type t9 = last_param;
856  return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9;
857}
858
859TEST(ActionPnMacroTest, WorksFor10Parameters) {
860  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
861  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10,
862            a1.Perform(make_tuple(10)));
863}
864
865// Tests that the action body can promote the parameter types.
866
867ACTION_P2(PadArgument, prefix, suffix) {
868  // The following lines promote the two parameters to desired types.
869  std::string prefix_str(prefix);
870  char suffix_char = static_cast<char>(suffix);
871  return prefix_str + arg0 + suffix_char;
872}
873
874TEST(ActionPnMacroTest, SimpleTypePromotion) {
875  Action<std::string(const char*)> no_promo =
876      PadArgument(std::string("foo"), 'r');
877  Action<std::string(const char*)> promo =
878      PadArgument("foo", static_cast<int>('r'));
879  EXPECT_EQ("foobar", no_promo.Perform(make_tuple(CharPtr("ba"))));
880  EXPECT_EQ("foobar", promo.Perform(make_tuple(CharPtr("ba"))));
881}
882
883// Tests that we can partially restrict parameter types using a
884// straight-forward pattern.
885
886// Defines a generic action that doesn't restrict the types of its
887// parameters.
888ACTION_P3(ConcatImpl, a, b, c) {
889  std::stringstream ss;
890  ss << a << b << c;
891  return ss.str();
892}
893
894// Next, we try to restrict that either the first parameter is a
895// string, or the second parameter is an int.
896
897// Defines a partially specialized wrapper that restricts the first
898// parameter to std::string.
899template <typename T1, typename T2>
900// ConcatImplActionP3 is the class template ACTION_P3 uses to
901// implement ConcatImpl.  We shouldn't change the name as this
902// pattern requires the user to use it directly.
903ConcatImplActionP3<std::string, T1, T2>
904Concat(const std::string& a, T1 b, T2 c) {
905  GTEST_INTENTIONAL_CONST_COND_PUSH_()
906  if (true) {
907  GTEST_INTENTIONAL_CONST_COND_POP_()
908    // This branch verifies that ConcatImpl() can be invoked without
909    // explicit template arguments.
910    return ConcatImpl(a, b, c);
911  } else {
912    // This branch verifies that ConcatImpl() can also be invoked with
913    // explicit template arguments.  It doesn't really need to be
914    // executed as this is a compile-time verification.
915    return ConcatImpl<std::string, T1, T2>(a, b, c);
916  }
917}
918
919// Defines another partially specialized wrapper that restricts the
920// second parameter to int.
921template <typename T1, typename T2>
922ConcatImplActionP3<T1, int, T2>
923Concat(T1 a, int b, T2 c) {
924  return ConcatImpl(a, b, c);
925}
926
927TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) {
928  Action<const std::string()> a1 = Concat("Hello", "1", 2);
929  EXPECT_EQ("Hello12", a1.Perform(make_tuple()));
930
931  a1 = Concat(1, 2, 3);
932  EXPECT_EQ("123", a1.Perform(make_tuple()));
933}
934
935// Verifies the type of an ACTION*.
936
937ACTION(DoFoo) {}
938ACTION_P(DoFoo, p) {}
939ACTION_P2(DoFoo, p0, p1) {}
940
941TEST(ActionPnMacroTest, TypesAreCorrect) {
942  // DoFoo() must be assignable to a DoFooAction variable.
943  DoFooAction a0 = DoFoo();
944
945  // DoFoo(1) must be assignable to a DoFooActionP variable.
946  DoFooActionP<int> a1 = DoFoo(1);
947
948  // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk
949  // variable, and so on.
950  DoFooActionP2<int, char> a2 = DoFoo(1, '2');
951  PlusActionP3<int, int, char> a3 = Plus(1, 2, '3');
952  PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4');
953  PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5');
954  PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6');
955  PlusActionP7<int, int, int, int, int, int, char> a7 =
956      Plus(1, 2, 3, 4, 5, 6, '7');
957  PlusActionP8<int, int, int, int, int, int, int, char> a8 =
958      Plus(1, 2, 3, 4, 5, 6, 7, '8');
959  PlusActionP9<int, int, int, int, int, int, int, int, char> a9 =
960      Plus(1, 2, 3, 4, 5, 6, 7, 8, '9');
961  PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 =
962      Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
963
964  // Avoid "unused variable" warnings.
965  (void)a0;
966  (void)a1;
967  (void)a2;
968  (void)a3;
969  (void)a4;
970  (void)a5;
971  (void)a6;
972  (void)a7;
973  (void)a8;
974  (void)a9;
975  (void)a10;
976}
977
978// Tests that an ACTION_P*() action can be explicitly instantiated
979// with reference-typed parameters.
980
981ACTION_P(Plus1, x) { return x; }
982ACTION_P2(Plus2, x, y) { return x + y; }
983ACTION_P3(Plus3, x, y, z) { return x + y + z; }
984ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
985  return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9;
986}
987
988TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) {
989  int x = 1, y = 2, z = 3;
990  const tuple<> empty = make_tuple();
991
992  Action<int()> a = Plus1<int&>(x);
993  EXPECT_EQ(1, a.Perform(empty));
994
995  a = Plus2<const int&, int&>(x, y);
996  EXPECT_EQ(3, a.Perform(empty));
997
998  a = Plus3<int&, const int&, int&>(x, y, z);
999  EXPECT_EQ(6, a.Perform(empty));
1000
1001  int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
1002  a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&,
1003      int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7],
1004                              n[8], n[9]);
1005  EXPECT_EQ(55, a.Perform(empty));
1006}
1007
1008class NullaryConstructorClass {
1009 public:
1010  NullaryConstructorClass() : value_(123) {}
1011  int value_;
1012};
1013
1014// Tests using ReturnNew() with a nullary constructor.
1015TEST(ReturnNewTest, NoArgs) {
1016  Action<NullaryConstructorClass*()> a = ReturnNew<NullaryConstructorClass>();
1017  NullaryConstructorClass* c = a.Perform(make_tuple());
1018  EXPECT_EQ(123, c->value_);
1019  delete c;
1020}
1021
1022class UnaryConstructorClass {
1023 public:
1024  explicit UnaryConstructorClass(int value) : value_(value) {}
1025  int value_;
1026};
1027
1028// Tests using ReturnNew() with a unary constructor.
1029TEST(ReturnNewTest, Unary) {
1030  Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000);
1031  UnaryConstructorClass* c = a.Perform(make_tuple());
1032  EXPECT_EQ(4000, c->value_);
1033  delete c;
1034}
1035
1036TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) {
1037  Action<UnaryConstructorClass*(bool, int)> a =
1038      ReturnNew<UnaryConstructorClass>(4000);
1039  UnaryConstructorClass* c = a.Perform(make_tuple(false, 5));
1040  EXPECT_EQ(4000, c->value_);
1041  delete c;
1042}
1043
1044TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) {
1045  Action<const UnaryConstructorClass*()> a =
1046      ReturnNew<UnaryConstructorClass>(4000);
1047  const UnaryConstructorClass* c = a.Perform(make_tuple());
1048  EXPECT_EQ(4000, c->value_);
1049  delete c;
1050}
1051
1052class TenArgConstructorClass {
1053 public:
1054  TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5,
1055                         int a6, int a7, int a8, int a9, int a10)
1056    : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {
1057  }
1058  int value_;
1059};
1060
1061// Tests using ReturnNew() with a 10-argument constructor.
1062TEST(ReturnNewTest, ConstructorThatTakes10Arguments) {
1063  Action<TenArgConstructorClass*()> a =
1064      ReturnNew<TenArgConstructorClass>(1000000000, 200000000, 30000000,
1065                                        4000000, 500000, 60000,
1066                                        7000, 800, 90, 0);
1067  TenArgConstructorClass* c = a.Perform(make_tuple());
1068  EXPECT_EQ(1234567890, c->value_);
1069  delete c;
1070}
1071
1072// Tests that ACTION_TEMPLATE works when there is no value parameter.
1073ACTION_TEMPLATE(CreateNew,
1074                HAS_1_TEMPLATE_PARAMS(typename, T),
1075                AND_0_VALUE_PARAMS()) {
1076  return new T;
1077}
1078
1079TEST(ActionTemplateTest, WorksWithoutValueParam) {
1080  const Action<int*()> a = CreateNew<int>();
1081  int* p = a.Perform(make_tuple());
1082  delete p;
1083}
1084
1085// Tests that ACTION_TEMPLATE works when there are value parameters.
1086ACTION_TEMPLATE(CreateNew,
1087                HAS_1_TEMPLATE_PARAMS(typename, T),
1088                AND_1_VALUE_PARAMS(a0)) {
1089  return new T(a0);
1090}
1091
1092TEST(ActionTemplateTest, WorksWithValueParams) {
1093  const Action<int*()> a = CreateNew<int>(42);
1094  int* p = a.Perform(make_tuple());
1095  EXPECT_EQ(42, *p);
1096  delete p;
1097}
1098
1099// Tests that ACTION_TEMPLATE works for integral template parameters.
1100ACTION_TEMPLATE(MyDeleteArg,
1101                HAS_1_TEMPLATE_PARAMS(int, k),
1102                AND_0_VALUE_PARAMS()) {
1103  delete get<k>(args);
1104}
1105
1106// Resets a bool variable in the destructor.
1107class BoolResetter {
1108 public:
1109  explicit BoolResetter(bool* value) : value_(value) {}
1110  ~BoolResetter() { *value_ = false; }
1111 private:
1112  bool* value_;
1113};
1114
1115TEST(ActionTemplateTest, WorksForIntegralTemplateParams) {
1116  const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>();
1117  int n = 0;
1118  bool b = true;
1119  BoolResetter* resetter = new BoolResetter(&b);
1120  a.Perform(make_tuple(&n, resetter));
1121  EXPECT_FALSE(b);  // Verifies that resetter is deleted.
1122}
1123
1124// Tests that ACTION_TEMPLATES works for template template parameters.
1125ACTION_TEMPLATE(ReturnSmartPointer,
1126                HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class,
1127                                      Pointer),
1128                AND_1_VALUE_PARAMS(pointee)) {
1129  return Pointer<pointee_type>(new pointee_type(pointee));
1130}
1131
1132TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) {
1133  using ::testing::internal::linked_ptr;
1134  const Action<linked_ptr<int>()> a = ReturnSmartPointer<linked_ptr>(42);
1135  linked_ptr<int> p = a.Perform(make_tuple());
1136  EXPECT_EQ(42, *p);
1137}
1138
1139// Tests that ACTION_TEMPLATE works for 10 template parameters.
1140template <typename T1, typename T2, typename T3, int k4, bool k5,
1141          unsigned int k6, typename T7, typename T8, typename T9>
1142struct GiantTemplate {
1143 public:
1144  explicit GiantTemplate(int a_value) : value(a_value) {}
1145  int value;
1146};
1147
1148ACTION_TEMPLATE(ReturnGiant,
1149                HAS_10_TEMPLATE_PARAMS(
1150                    typename, T1,
1151                    typename, T2,
1152                    typename, T3,
1153                    int, k4,
1154                    bool, k5,
1155                    unsigned int, k6,
1156                    class, T7,
1157                    class, T8,
1158                    class, T9,
1159                    template <typename T> class, T10),
1160                AND_1_VALUE_PARAMS(value)) {
1161  return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value);
1162}
1163
1164TEST(ActionTemplateTest, WorksFor10TemplateParameters) {
1165  using ::testing::internal::linked_ptr;
1166  typedef GiantTemplate<linked_ptr<int>, bool, double, 5,
1167      true, 6, char, unsigned, int> Giant;
1168  const Action<Giant()> a = ReturnGiant<
1169      int, bool, double, 5, true, 6, char, unsigned, int, linked_ptr>(42);
1170  Giant giant = a.Perform(make_tuple());
1171  EXPECT_EQ(42, giant.value);
1172}
1173
1174// Tests that ACTION_TEMPLATE works for 10 value parameters.
1175ACTION_TEMPLATE(ReturnSum,
1176                HAS_1_TEMPLATE_PARAMS(typename, Number),
1177                AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) {
1178  return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10;
1179}
1180
1181TEST(ActionTemplateTest, WorksFor10ValueParameters) {
1182  const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
1183  EXPECT_EQ(55, a.Perform(make_tuple()));
1184}
1185
1186// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded
1187// on the number of value parameters.
1188
1189ACTION(ReturnSum) { return 0; }
1190
1191ACTION_P(ReturnSum, x) { return x; }
1192
1193ACTION_TEMPLATE(ReturnSum,
1194                HAS_1_TEMPLATE_PARAMS(typename, Number),
1195                AND_2_VALUE_PARAMS(v1, v2)) {
1196  return static_cast<Number>(v1) + v2;
1197}
1198
1199ACTION_TEMPLATE(ReturnSum,
1200                HAS_1_TEMPLATE_PARAMS(typename, Number),
1201                AND_3_VALUE_PARAMS(v1, v2, v3)) {
1202  return static_cast<Number>(v1) + v2 + v3;
1203}
1204
1205ACTION_TEMPLATE(ReturnSum,
1206                HAS_2_TEMPLATE_PARAMS(typename, Number, int, k),
1207                AND_4_VALUE_PARAMS(v1, v2, v3, v4)) {
1208  return static_cast<Number>(v1) + v2 + v3 + v4 + k;
1209}
1210
1211TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) {
1212  const Action<int()> a0 = ReturnSum();
1213  const Action<int()> a1 = ReturnSum(1);
1214  const Action<int()> a2 = ReturnSum<int>(1, 2);
1215  const Action<int()> a3 = ReturnSum<int>(1, 2, 3);
1216  const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5);
1217  EXPECT_EQ(0, a0.Perform(make_tuple()));
1218  EXPECT_EQ(1, a1.Perform(make_tuple()));
1219  EXPECT_EQ(3, a2.Perform(make_tuple()));
1220  EXPECT_EQ(6, a3.Perform(make_tuple()));
1221  EXPECT_EQ(12345, a4.Perform(make_tuple()));
1222}
1223
1224#ifdef _MSC_VER
1225# pragma warning(pop)
1226#endif
1227
1228}  // namespace gmock_generated_actions_test
1229}  // namespace testing
1230