summaryrefslogtreecommitdiffstats
path: root/googlemock/test/gmock-generated-actions_test.cc
blob: 03908588acc0c65021d154bafde7df166d2313d5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Author: wan@google.com (Zhanyong Wan)

// Google Mock - a framework for writing C++ mock classes.
//
// This file tests the built-in actions generated by a script.

#include "gmock/gmock-generated-actions.h"

#include <functional>
#include <sstream>
#include <string>
#include "gmock/gmock.h"
#include "gtest/gtest.h"

namespace testing {
namespace gmock_generated_actions_test {

using ::std::plus;
using ::std::string;
using testing::get;
using testing::make_tuple;
using testing::tuple;
using testing::tuple_element;
using testing::_;
using testing::Action;
using testing::ActionInterface;
using testing::ByRef;
using testing::DoAll;
using testing::Invoke;
using testing::Return;
using testing::ReturnNew;
using testing::SetArgPointee;
using testing::StaticAssertTypeEq;
using testing::Unused;
using testing::WithArgs;

// For suppressing compiler warnings on conversion possibly losing precision.
inline short Short(short n) { return n; }  // NOLINT
inline char Char(char ch) { return ch; }

// Sample functions and functors for testing various actions.
int Nullary() { return 1; }

class NullaryFunctor {
 public:
  int operator()() { return 2; }
};

bool g_done = false;

bool Unary(int x) { return x < 0; }

const char* Plus1(const char* s) { return s + 1; }

bool ByConstRef(const std::string& s) { return s == "Hi"; }

const double g_double = 0;
bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }

std::string ByNonConstRef(std::string& s) { return s += "+"; }  // NOLINT

struct UnaryFunctor {
  int operator()(bool x) { return x ? 1 : -1; }
};

const char* Binary(const char* input, short n) { return input + n; }  // NOLINT

void VoidBinary(int, char) { g_done = true; }

int Ternary(int x, char y, short z) { return x + y + z; }  // NOLINT

void VoidTernary(int, char, bool) { g_done = true; }

int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }

std::string Concat4(const char* s1, const char* s2, const char* s3,
                    const char* s4) {
  return std::string(s1) + s2 + s3 + s4;
}

int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }

struct SumOf5Functor {
  int operator()(int a, int b, int c, int d, int e) {
    return a + b + c + d + e;
  }
};

std::string Concat5(const char* s1, const char* s2, const char* s3,
                    const char* s4, const char* s5) {
  return std::string(s1) + s2 + s3 + s4 + s5;
}

int SumOf6(int a, int b, int c, int d, int e, int f) {
  return a + b + c + d + e + f;
}

struct SumOf6Functor {
  int operator()(int a, int b, int c, int d, int e, int f) {
    return a + b + c + d + e + f;
  }
};

std::string Concat6(const char* s1, const char* s2, const char* s3,
                    const char* s4, const char* s5, const char* s6) {
  return std::string(s1) + s2 + s3 + s4 + s5 + s6;
}

std::string Concat7(const char* s1, const char* s2, const char* s3,
                    const char* s4, const char* s5, const char* s6,
                    const char* s7) {
  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
}

std::string Concat8(const char* s1, const char* s2, const char* s3,
                    const char* s4, const char* s5, const char* s6,
                    const char* s7, const char* s8) {
  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
}

std::string Concat9(const char* s1, const char* s2, const char* s3,
                    const char* s4, const char* s5, const char* s6,
                    const char* s7, const char* s8, const char* s9) {
  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
}

std::string Concat10(const char* s1, const char* s2, const char* s3,
                     const char* s4, const char* s5, const char* s6,
                     const char* s7, const char* s8, const char* s9,
                     const char* s10) {
  return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
}

// A helper that turns the type of a C-string literal from const
// char[N] to const char*.
inline const char* CharPtr(const char* s) { return s; }

// Tests InvokeArgument<N>(...).

// Tests using InvokeArgument with a nullary function.
TEST(InvokeArgumentTest, Function0) {
  Action<int(int, int(*)())> a = InvokeArgument<1>();  // NOLINT
  EXPECT_EQ(1, a.Perform(make_tuple(2, &Nullary)));
}

// Tests using InvokeArgument with a unary function.
TEST(InvokeArgumentTest, Functor1) {
  Action<int(UnaryFunctor)> a = InvokeArgument<0>(true);  // NOLINT
  EXPECT_EQ(1, a.Perform(make_tuple(UnaryFunctor())));
}

// Tests using InvokeArgument with a 5-ary function.
TEST(InvokeArgumentTest, Function5) {
  Action<int(int(*)(int, int, int, int, int))> a =  // NOLINT
      InvokeArgument<0>(10000, 2000, 300, 40, 5);
  EXPECT_EQ(12345, a.Perform(make_tuple(&SumOf5)));
}

// Tests using InvokeArgument with a 5-ary functor.
TEST(InvokeArgumentTest, Functor5) {
  Action<int(SumOf5Functor)> a =  // NOLINT
      InvokeArgument<0>(10000, 2000, 300, 40, 5);
  EXPECT_EQ(12345, a.Perform(make_tuple(SumOf5Functor())));
}

// Tests using InvokeArgument with a 6-ary function.
TEST(InvokeArgumentTest, Function6) {
  Action<int(int(*)(int, int, int, int, int, int))> a =  // NOLINT
      InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
  EXPECT_EQ(123456, a.Perform(make_tuple(&SumOf6)));
}

// Tests using InvokeArgument with a 6-ary functor.
TEST(InvokeArgumentTest, Functor6) {
  Action<int(SumOf6Functor)> a =  // NOLINT
      InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
  EXPECT_EQ(123456, a.Perform(make_tuple(SumOf6Functor())));
}

// Tests using InvokeArgument with a 7-ary function.
TEST(InvokeArgumentTest, Function7) {
  Action<std::string(std::string(*)(const char*, const char*, const char*,
                                    const char*, const char*, const char*,
                                    const char*))>
      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7");
  EXPECT_EQ("1234567", a.Perform(make_tuple(&Concat7)));
}

// Tests using InvokeArgument with a 8-ary function.
TEST(InvokeArgumentTest, Function8) {
  Action<std::string(std::string(*)(const char*, const char*, const char*,
                                    const char*, const char*, const char*,
                                    const char*, const char*))>
      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8");
  EXPECT_EQ("12345678", a.Perform(make_tuple(&Concat8)));
}

// Tests using InvokeArgument with a 9-ary function.
TEST(InvokeArgumentTest, Function9) {
  Action<std::string(std::string(*)(const char*, const char*, const char*,
                                    const char*, const char*, const char*,
                                    const char*, const char*, const char*))>
      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9");
  EXPECT_EQ("123456789", a.Perform(make_tuple(&Concat9)));
}

// Tests using InvokeArgument with a 10-ary function.
TEST(InvokeArgumentTest, Function10) {
  Action<std::string(std::string(*)(
      const char*, const char*, const char*, const char*, const char*,
      const char*, const char*, const char*, const char*, const char*))>
      a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
  EXPECT_EQ("1234567890", a.Perform(make_tuple(&Concat10)));
}

// Tests using InvokeArgument with a function that takes a pointer argument.
TEST(InvokeArgumentTest, ByPointerFunction) {
  Action<const char*(const char*(*)(const char* input, short n))> a =  // NOLINT
      InvokeArgument<0>(static_cast<const char*>("Hi"), Short(1));
  EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
}

// Tests using InvokeArgument with a function that takes a const char*
// by passing it a C-string literal.
TEST(InvokeArgumentTest, FunctionWithCStringLiteral) {
  Action<const char*(const char*(*)(const char* input, short n))> a =  // NOLINT
      InvokeArgument<0>("Hi", Short(1));
  EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
}

// Tests using InvokeArgument with a function that takes a const reference.
TEST(InvokeArgumentTest, ByConstReferenceFunction) {
  Action<bool(bool (*function)(const std::string& s))> a =  // NOLINT
      InvokeArgument<0>(std::string("Hi"));
  // When action 'a' is constructed, it makes a copy of the temporary
  // string object passed to it, so it's OK to use 'a' later, when the
  // temporary object has already died.
  EXPECT_TRUE(a.Perform(make_tuple(&ByConstRef)));
}

// Tests using InvokeArgument with ByRef() and a function that takes a
// const reference.
TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) {
  Action<bool(bool(*)(const double& x))> a =  // NOLINT
      InvokeArgument<0>(ByRef(g_double));
  // The above line calls ByRef() on a const value.
  EXPECT_TRUE(a.Perform(make_tuple(&ReferencesGlobalDouble)));

  double x = 0;
  a = InvokeArgument<0>(ByRef(x));  // This calls ByRef() on a non-const.
  EXPECT_FALSE(a.Perform(make_tuple(&ReferencesGlobalDouble)));
}

// Tests using WithArgs and with an action that takes 1 argument.
TEST(WithArgsTest, OneArg) {
  Action<bool(double x, int n)> a = WithArgs<1>(Invoke(Unary));  // NOLINT
  EXPECT_TRUE(a.Perform(make_tuple(1.5, -1)));
  EXPECT_FALSE(a.Perform(make_tuple(1.5, 1)));
}

// Tests using WithArgs with an action that takes 2 arguments.
TEST(WithArgsTest, TwoArgs) {
  Action<const char*(const char* s, double x, short n)> a =
      WithArgs<0, 2>(Invoke(Binary));
  const char s[] = "Hello";
  EXPECT_EQ(s + 2, a.Perform(make_tuple(CharPtr(s), 0.5, Short(2))));
}

// Tests using WithArgs with an action that takes 3 arguments.
TEST(WithArgsTest, ThreeArgs) {
  Action<int(int, double, char, short)> a =  // NOLINT
      WithArgs<0, 2, 3>(Invoke(Ternary));
  EXPECT_EQ(123, a.Perform(make_tuple(100, 6.5, Char(20), Short(3))));
}

// Tests using WithArgs with an action that takes 4 arguments.
TEST(WithArgsTest, FourArgs) {
  Action<std::string(const char*, const char*, double, const char*,
                     const char*)>
      a = WithArgs<4, 3, 1, 0>(Invoke(Concat4));
  EXPECT_EQ("4310", a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), 2.5,
                                         CharPtr("3"), CharPtr("4"))));
}

// Tests using WithArgs with an action that takes 5 arguments.
TEST(WithArgsTest, FiveArgs) {
  Action<std::string(const char*, const char*, const char*, const char*,
                     const char*)>
      a = WithArgs<4, 3, 2, 1, 0>(Invoke(Concat5));
  EXPECT_EQ("43210",
            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
                                 CharPtr("3"), CharPtr("4"))));
}

// Tests using WithArgs with an action that takes 6 arguments.
TEST(WithArgsTest, SixArgs) {
  Action<std::string(const char*, const char*, const char*)> a =
      WithArgs<0, 1, 2, 2, 1, 0>(Invoke(Concat6));
  EXPECT_EQ("012210",
            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"))));
}

// Tests using WithArgs with an action that takes 7 arguments.
TEST(WithArgsTest, SevenArgs) {
  Action<std::string(const char*, const char*, const char*, const char*)> a =
      WithArgs<0, 1, 2, 3, 2, 1, 0>(Invoke(Concat7));
  EXPECT_EQ("0123210",
            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
                                 CharPtr("3"))));
}

// Tests using WithArgs with an action that takes 8 arguments.
TEST(WithArgsTest, EightArgs) {
  Action<std::string(const char*, const char*, const char*, const char*)> a =
      WithArgs<0, 1, 2, 3, 0, 1, 2, 3>(Invoke(Concat8));
  EXPECT_EQ("01230123",
            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
                                 CharPtr("3"))));
}

// Tests using WithArgs with an action that takes 9 arguments.
TEST(WithArgsTest, NineArgs) {
  Action<std::string(const char*, const char*, const char*, const char*)> a =
      WithArgs<0, 1, 2, 3, 1, 2, 3, 2, 3>(Invoke(Concat9));
  EXPECT_EQ("012312323",
            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
                                 CharPtr("3"))));
}

// Tests using WithArgs with an action that takes 10 arguments.
TEST(WithArgsTest, TenArgs) {
  Action<std::string(const char*, const char*, const char*, const char*)> a =
      WithArgs<0, 1, 2, 3, 2, 1, 0, 1, 2, 3>(Invoke(Concat10));
  EXPECT_EQ("0123210123",
            a.Perform(make_tuple(CharPtr("0"), CharPtr("1"), CharPtr("2"),
                                 CharPtr("3"))));
}

// Tests using WithArgs with an action that is not Invoke().
class SubstractAction : public ActionInterface<int(int, int)> {  // NOLINT
 public:
  virtual int Perform(const tuple<int, int>& args) {
    return get<0>(args) - get<1>(args);
  }
};

TEST(WithArgsTest, NonInvokeAction) {
  Action<int(const string&, int, int)> a =  // NOLINT
      WithArgs<2, 1>(MakeAction(new SubstractAction));
  string s("hello");
  EXPECT_EQ(8, a.Perform(tuple<const string&, int, int>(s, 2, 10)));
}

// Tests using WithArgs to pass all original arguments in the original order.
TEST(WithArgsTest, Identity) {
  Action<int(int x, char y, short z)> a =  // NOLINT
      WithArgs<0, 1, 2>(Invoke(Ternary));
  EXPECT_EQ(123, a.Perform(make_tuple(100, Char(20), Short(3))));
}

// Tests using WithArgs with repeated arguments.
TEST(WithArgsTest, RepeatedArguments) {
  Action<int(bool, int m, int n)> a =  // NOLINT
      WithArgs<1, 1, 1, 1>(Invoke(SumOf4));
  EXPECT_EQ(4, a.Perform(make_tuple(false, 1, 10)));
}

// Tests using WithArgs with reversed argument order.
TEST(WithArgsTest, ReversedArgumentOrder) {
  Action<const char*(short n, const char* input)> a =  // NOLINT
      WithArgs<1, 0>(Invoke(Binary));
  const char s[] = "Hello";
  EXPECT_EQ(s + 2, a.Perform(make_tuple(Short(2), CharPtr(s))));
}

// Tests using WithArgs with compatible, but not identical, argument types.
TEST(WithArgsTest, ArgsOfCompatibleTypes) {
  Action<long(short x, char y, double z, char c)> a =  // NOLINT
      WithArgs<0, 1, 3>(Invoke(Ternary));
  EXPECT_EQ(123, a.Perform(make_tuple(Short(100), Char(20), 5.6, Char(3))));
}

// Tests using WithArgs with an action that returns void.
TEST(WithArgsTest, VoidAction) {
  Action<void(double x, char c, int n)> a = WithArgs<2, 1>(Invoke(VoidBinary));
  g_done = false;
  a.Perform(make_tuple(1.5, 'a', 3));
  EXPECT_TRUE(g_done);
}

// Tests DoAll(a1, a2).
TEST(DoAllTest, TwoActions) {
  int n = 0;
  Action<int(int*)> a = DoAll(SetArgPointee<0>(1),  // NOLINT
                              Return(2));
  EXPECT_EQ(2, a.Perform(make_tuple(&n)));
  EXPECT_EQ(1, n);
}

// Tests DoAll(a1, a2, a3).
TEST(DoAllTest, ThreeActions) {
  int m = 0, n = 0;
  Action<int(int*, int*)> a = DoAll(SetArgPointee<0>(1),  // NOLINT
                                    SetArgPointee<1>(2),
                                    Return(3));
  EXPECT_EQ(3, a.Perform(make_tuple(&m, &n)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
}

// Tests DoAll(a1, a2, a3, a4).
TEST(DoAllTest, FourActions) {
  int m = 0, n = 0;
  char ch = '\0';
  Action<int(int*, int*, char*)> a =  // NOLINT
      DoAll(SetArgPointee<0>(1),
            SetArgPointee<1>(2),
            SetArgPointee<2>('a'),
            Return(3));
  EXPECT_EQ(3, a.Perform(make_tuple(&m, &n, &ch)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
  EXPECT_EQ('a', ch);
}

// Tests DoAll(a1, a2, a3, a4, a5).
TEST(DoAllTest, FiveActions) {
  int m = 0, n = 0;
  char a = '\0', b = '\0';
  Action<int(int*, int*, char*, char*)> action =  // NOLINT
      DoAll(SetArgPointee<0>(1),
            SetArgPointee<1>(2),
            SetArgPointee<2>('a'),
            SetArgPointee<3>('b'),
            Return(3));
  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
  EXPECT_EQ('a', a);
  EXPECT_EQ('b', b);
}

// Tests DoAll(a1, a2, ..., a6).
TEST(DoAllTest, SixActions) {
  int m = 0, n = 0;
  char a = '\0', b = '\0', c = '\0';
  Action<int(int*, int*, char*, char*, char*)> action =  // NOLINT
      DoAll(SetArgPointee<0>(1),
            SetArgPointee<1>(2),
            SetArgPointee<2>('a'),
            SetArgPointee<3>('b'),
            SetArgPointee<4>('c'),
            Return(3));
  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
  EXPECT_EQ('a', a);
  EXPECT_EQ('b', b);
  EXPECT_EQ('c', c);
}

// Tests DoAll(a1, a2, ..., a7).
TEST(DoAllTest, SevenActions) {
  int m = 0, n = 0;
  char a = '\0', b = '\0', c = '\0', d = '\0';
  Action<int(int*, int*, char*, char*, char*, char*)> action =  // NOLINT
      DoAll(SetArgPointee<0>(1),
            SetArgPointee<1>(2),
            SetArgPointee<2>('a'),
            SetArgPointee<3>('b'),
            SetArgPointee<4>('c'),
            SetArgPointee<5>('d'),
            Return(3));
  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
  EXPECT_EQ('a', a);
  EXPECT_EQ('b', b);
  EXPECT_EQ('c', c);
  EXPECT_EQ('d', d);
}

// Tests DoAll(a1, a2, ..., a8).
TEST(DoAllTest, EightActions) {
  int m = 0, n = 0;
  char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0';
  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
             char*)> action =
      DoAll(SetArgPointee<0>(1),
            SetArgPointee<1>(2),
            SetArgPointee<2>('a'),
            SetArgPointee<3>('b'),
            SetArgPointee<4>('c'),
            SetArgPointee<5>('d'),
            SetArgPointee<6>('e'),
            Return(3));
  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
  EXPECT_EQ('a', a);
  EXPECT_EQ('b', b);
  EXPECT_EQ('c', c);
  EXPECT_EQ('d', d);
  EXPECT_EQ('e', e);
}

// Tests DoAll(a1, a2, ..., a9).
TEST(DoAllTest, NineActions) {
  int m = 0, n = 0;
  char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0';
  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
             char*, char*)> action =
      DoAll(SetArgPointee<0>(1),
            SetArgPointee<1>(2),
            SetArgPointee<2>('a'),
            SetArgPointee<3>('b'),
            SetArgPointee<4>('c'),
            SetArgPointee<5>('d'),
            SetArgPointee<6>('e'),
            SetArgPointee<7>('f'),
            Return(3));
  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
  EXPECT_EQ('a', a);
  EXPECT_EQ('b', b);
  EXPECT_EQ('c', c);
  EXPECT_EQ('d', d);
  EXPECT_EQ('e', e);
  EXPECT_EQ('f', f);
}

// Tests DoAll(a1, a2, ..., a10).
TEST(DoAllTest, TenActions) {
  int m = 0, n = 0;
  char a = '\0', b = '\0', c = '\0', d = '\0';
  char e = '\0', f = '\0', g = '\0';
  Action<int(int*, int*, char*, char*, char*, char*,  // NOLINT
             char*, char*, char*)> action =
      DoAll(SetArgPointee<0>(1),
            SetArgPointee<1>(2),
            SetArgPointee<2>('a'),
            SetArgPointee<3>('b'),
            SetArgPointee<4>('c'),
            SetArgPointee<5>('d'),
            SetArgPointee<6>('e'),
            SetArgPointee<7>('f'),
            SetArgPointee<8>('g'),
            Return(3));
  EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g)));
  EXPECT_EQ(1, m);
  EXPECT_EQ(2, n);
  EXPECT_EQ('a', a);
  EXPECT_EQ('b', b);
  EXPECT_EQ('c', c);
  EXPECT_EQ('d', d);
  EXPECT_EQ('e', e);
  EXPECT_EQ('f', f);
  EXPECT_EQ('g', g);
}

// The ACTION*() macros trigger warning C4100 (unreferenced formal
// parameter) in MSVC with -W4.  Unfortunately they cannot be fixed in
// the macro definition, as the warnings are generated when the macro
// is expanded and macro expansion cannot contain #pragma.  Therefore
// we suppress them here.
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable:4100)
#endif

// Tests the ACTION*() macro family.

// Tests that ACTION() can define an action that doesn't reference the
// mock function arguments.
ACTION(Return5) { return 5; }

TEST(ActionMacroTest, WorksWhenNotReferencingArguments) {
  Action<double()> a1 = Return5();
  EXPECT_DOUBLE_EQ(5, a1.Perform(make_tuple()));

  Action<int(double, bool)> a2 = Return5();
  EXPECT_EQ(5, a2.Perform(make_tuple(1, true)));
}

// Tests that ACTION() can define an action that returns void.
ACTION(IncrementArg1) { (*arg1)++; }

TEST(ActionMacroTest, WorksWhenReturningVoid) {
  Action<void(int, int*)> a1 = IncrementArg1();
  int n = 0;
  a1.Perform(make_tuple(5, &n));
  EXPECT_EQ(1, n);
}

// Tests that the body of ACTION() can reference the type of the
// argument.
ACTION(IncrementArg2) {
  StaticAssertTypeEq<int*, arg2_type>();
  arg2_type temp = arg2;
  (*temp)++;
}

TEST(ActionMacroTest, CanReferenceArgumentType) {
  Action<void(int, bool, int*)> a1 = IncrementArg2();
  int n = 0;
  a1.Perform(make_tuple(5, false, &n));
  EXPECT_EQ(1, n);
}

// Tests that the body of ACTION() can reference the argument tuple
// via args_type and args.
ACTION(Sum2) {
  StaticAssertTypeEq<tuple<int, char, int*>, args_type>();
  args_type args_copy = args;
  return get<0>(args_copy) + get<1>(args_copy);
}

TEST(ActionMacroTest, CanReferenceArgumentTuple) {
  Action<int(int, char, int*)> a1 = Sum2();
  int dummy = 0;
  EXPECT_EQ(11, a1.Perform(make_tuple(5, Char(6), &dummy)));
}

// Tests that the body of ACTION() can reference the mock function
// type.
int Dummy(bool flag) { return flag? 1 : 0; }

ACTION(InvokeDummy) {
  StaticAssertTypeEq<int(bool), function_type>();
  function_type* fp = &Dummy;
  return (*fp)(true);
}

TEST(ActionMacroTest, CanReferenceMockFunctionType) {
  Action<int(bool)> a1 = InvokeDummy();
  EXPECT_EQ(1, a1.Perform(make_tuple(true)));
  EXPECT_EQ(1, a1.Perform(make_tuple(false)));
}

// Tests that the body of ACTION() can reference the mock function's
// return type.
ACTION(InvokeDummy2) {
  StaticAssertTypeEq<int, return_type>();
  return_type result = Dummy(true);
  return result;
}

TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) {
  Action<int(bool)> a1 = InvokeDummy2();
  EXPECT_EQ(1, a1.Perform(make_tuple(true)));
  EXPECT_EQ(1, a1.Perform(make_tuple(false)));
}

// Tests that ACTION() works for arguments passed by const reference.
ACTION(ReturnAddrOfConstBoolReferenceArg) {
  StaticAssertTypeEq<const bool&, arg1_type>();
  return &arg1;
}

TEST(ActionMacroTest, WorksForConstReferenceArg) {
  Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg();
  const bool b = false;
  EXPECT_EQ(&b, a.Perform(tuple<int, const bool&>(0, b)));
}

// Tests that ACTION() works for arguments passed by non-const reference.
ACTION(ReturnAddrOfIntReferenceArg) {
  StaticAssertTypeEq<int&, arg0_type>();
  return &arg0;
}

TEST(ActionMacroTest, WorksForNonConstReferenceArg) {
  Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg();
  int n = 0;
  EXPECT_EQ(&n, a.Perform(tuple<int&, bool, int>(n, true, 1)));
}

// Tests that ACTION() can be used in a namespace.
namespace action_test {
ACTION(Sum) { return arg0 + arg1; }
}  // namespace action_test

TEST(ActionMacroTest, WorksInNamespace) {
  Action<int(int, int)> a1 = action_test::Sum();
  EXPECT_EQ(3, a1.Perform(make_tuple(1, 2)));
}

// Tests that the same ACTION definition works for mock functions with
// different argument numbers.
ACTION(PlusTwo) { return arg0 + 2; }

TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) {
  Action<int(int)> a1 = PlusTwo();
  EXPECT_EQ(4, a1.Perform(make_tuple(2)));

  Action<double(float, void*)> a2 = PlusTwo();
  int dummy;
  EXPECT_DOUBLE_EQ(6, a2.Perform(make_tuple(4.0f, &dummy)));
}

// Tests that ACTION_P can define a parameterized action.
ACTION_P(Plus, n) { return arg0 + n; }

TEST(ActionPMacroTest, DefinesParameterizedAction) {
  Action<int(int m, bool t)> a1 = Plus(9);
  EXPECT_EQ(10, a1.Perform(make_tuple(1, true)));
}

// Tests that the body of ACTION_P can reference the argument types
// and the parameter type.
ACTION_P(TypedPlus, n) {
  arg0_type t1 = arg0;
  n_type t2 = n;
  return t1 + t2;
}

TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) {
  Action<int(char m, bool t)> a1 = TypedPlus(9);
  EXPECT_EQ(10, a1.Perform(make_tuple(Char(1), true)));
}

// Tests that a parameterized action can be used in any mock function
// whose type is compatible.
TEST(ActionPMacroTest, WorksInCompatibleMockFunction) {
  Action<std::string(const std::string& s)> a1 = Plus("tail");
  const std::string re = "re";
  EXPECT_EQ("retail", a1.Perform(tuple<const std::string&>(re)));
}

// Tests that we can use ACTION*() to define actions overloaded on the
// number of parameters.

ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; }

ACTION_P(OverloadedAction, default_value) {
  return arg0 ? arg1 : default_value;
}

ACTION_P2(OverloadedAction, true_value, false_value) {
  return arg0 ? true_value : false_value;
}

TEST(ActionMacroTest, CanDefineOverloadedActions) {
  typedef Action<const char*(bool, const char*)> MyAction;

  const MyAction a1 = OverloadedAction();
  EXPECT_STREQ("hello", a1.Perform(make_tuple(false, CharPtr("world"))));
  EXPECT_STREQ("world", a1.Perform(make_tuple(true, CharPtr("world"))));

  const MyAction a2 = OverloadedAction("hi");
  EXPECT_STREQ("hi", a2.Perform(make_tuple(false, CharPtr("world"))));
  EXPECT_STREQ("world", a2.Perform(make_tuple(true, CharPtr("world"))));

  const MyAction a3 = OverloadedAction("hi", "you");
  EXPECT_STREQ("hi", a3.Perform(make_tuple(true, CharPtr("world"))));
  EXPECT_STREQ("you", a3.Perform(make_tuple(false, CharPtr("world"))));
}

// Tests ACTION_Pn where n >= 3.

ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; }

TEST(ActionPnMacroTest, WorksFor3Parameters) {
  Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4);
  EXPECT_DOUBLE_EQ(3123.4, a1.Perform(make_tuple(3000, true)));

  Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">");
  const std::string re = "re";
  EXPECT_EQ("retail->", a2.Perform(tuple<const std::string&>(re)));
}

ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }

TEST(ActionPnMacroTest, WorksFor4Parameters) {
  Action<int(int)> a1 = Plus(1, 2, 3, 4);
  EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(make_tuple(10)));
}

ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }

TEST(ActionPnMacroTest, WorksFor5Parameters) {
  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5);
  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(make_tuple(10)));
}

ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
  return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
}

TEST(ActionPnMacroTest, WorksFor6Parameters) {
  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6);
  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(make_tuple(10)));
}

ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
}

TEST(ActionPnMacroTest, WorksFor7Parameters) {
  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7);
  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(make_tuple(10)));
}

ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
}

TEST(ActionPnMacroTest, WorksFor8Parameters) {
  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8);
  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8, a1.Perform(make_tuple(10)));
}

ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) {
  return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8;
}

TEST(ActionPnMacroTest, WorksFor9Parameters) {
  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9);
  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9, a1.Perform(make_tuple(10)));
}

ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) {
  arg0_type t0 = arg0;
  last_param_type t9 = last_param;
  return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9;
}

TEST(ActionPnMacroTest, WorksFor10Parameters) {
  Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
  EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10,
            a1.Perform(make_tuple(10)));
}

// Tests that the action body can promote the parameter types.

ACTION_P2(PadArgument, prefix, suffix) {
  // The following lines promote the two parameters to desired types.
  std::string prefix_str(prefix);
  char suffix_char = static_cast<char>(suffix);
  return prefix_str + arg0 + suffix_char;
}

TEST(ActionPnMacroTest, SimpleTypePromotion) {
  Action<std::string(const char*)> no_promo =
      PadArgument(std::string("foo"), 'r');
  Action<std::string(const char*)> promo =
      PadArgument("foo", static_cast<int>('r'));
  EXPECT_EQ("foobar", no_promo.Perform(make_tuple(CharPtr("ba"))));
  EXPECT_EQ("foobar", promo.Perform(make_tuple(CharPtr("ba"))));
}

// Tests that we can partially restrict parameter types using a
// straight-forward pattern.

// Defines a generic action that doesn't restrict the types of its
// parameters.
ACTION_P3(ConcatImpl, a, b, c) {
  std::stringstream ss;
  ss << a << b << c;
  return ss.str();
}

// Next, we try to restrict that either the first parameter is a
// string, or the second parameter is an int.

// Defines a partially specialized wrapper that restricts the first
// parameter to std::string.
template <typename T1, typename T2>
// ConcatImplActionP3 is the class template ACTION_P3 uses to
// implement ConcatImpl.  We shouldn't change the name as this
// pattern requires the user to use it directly.
ConcatImplActionP3<std::string, T1, T2>
Concat(const std::string& a, T1 b, T2 c) {
  GTEST_INTENTIONAL_CONST_COND_PUSH_()
  if (true) {
  GTEST_INTENTIONAL_CONST_COND_POP_()
    // This branch verifies that ConcatImpl() can be invoked without
    // explicit template arguments.
    return ConcatImpl(a, b, c);
  } else {
    // This branch verifies that ConcatImpl() can also be invoked with
    // explicit template arguments.  It doesn't really need to be
    // executed as this is a compile-time verification.
    return ConcatImpl<std::string, T1, T2>(a, b, c);
  }
}

// Defines another partially specialized wrapper that restricts the
// second parameter to int.
template <typename T1, typename T2>
ConcatImplActionP3<T1, int, T2>
Concat(T1 a, int b, T2 c) {
  return ConcatImpl(a, b, c);
}

TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) {
  Action<const std::string()> a1 = Concat("Hello", "1", 2);
  EXPECT_EQ("Hello12", a1.Perform(make_tuple()));

  a1 = Concat(1, 2, 3);
  EXPECT_EQ("123", a1.Perform(make_tuple()));
}

// Verifies the type of an ACTION*.

ACTION(DoFoo) {}
ACTION_P(DoFoo, p) {}
ACTION_P2(DoFoo, p0, p1) {}

TEST(ActionPnMacroTest, TypesAreCorrect) {
  // DoFoo() must be assignable to a DoFooAction variable.
  DoFooAction a0 = DoFoo();

  // DoFoo(1) must be assignable to a DoFooActionP variable.
  DoFooActionP<int> a1 = DoFoo(1);

  // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk
  // variable, and so on.
  DoFooActionP2<int, char> a2 = DoFoo(1, '2');
  PlusActionP3<int, int, char> a3 = Plus(1, 2, '3');
  PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4');
  PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5');
  PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6');
  PlusActionP7<int, int, int, int, int, int, char> a7 =
      Plus(1, 2, 3, 4, 5, 6, '7');
  PlusActionP8<int, int, int, int, int, int, int, char> a8 =
      Plus(1, 2, 3, 4, 5, 6, 7, '8');
  PlusActionP9<int, int, int, int, int, int, int, int, char> a9 =
      Plus(1, 2, 3, 4, 5, 6, 7, 8, '9');
  PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 =
      Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');

  // Avoid "unused variable" warnings.
  (void)a0;
  (void)a1;
  (void)a2;
  (void)a3;
  (void)a4;
  (void)a5;
  (void)a6;
  (void)a7;
  (void)a8;
  (void)a9;
  (void)a10;
}

// Tests that an ACTION_P*() action can be explicitly instantiated
// with reference-typed parameters.

ACTION_P(Plus1, x) { return x; }
ACTION_P2(Plus2, x, y) { return x + y; }
ACTION_P3(Plus3, x, y, z) { return x + y + z; }
ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
  return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9;
}

TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) {
  int x = 1, y = 2, z = 3;
  const tuple<> empty = make_tuple();

  Action<int()> a = Plus1<int&>(x);
  EXPECT_EQ(1, a.Perform(empty));

  a = Plus2<const int&, int&>(x, y);
  EXPECT_EQ(3, a.Perform(empty));

  a = Plus3<int&, const int&, int&>(x, y, z);
  EXPECT_EQ(6, a.Perform(empty));

  int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
  a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&,
      int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7],
                              n[8], n[9]);
  EXPECT_EQ(55, a.Perform(empty));
}

class NullaryConstructorClass {
 public:
  NullaryConstructorClass() : value_(123) {}
  int value_;
};

// Tests using ReturnNew() with a nullary constructor.
TEST(ReturnNewTest, NoArgs) {
  Action<NullaryConstructorClass*()> a = ReturnNew<NullaryConstructorClass>();
  NullaryConstructorClass* c = a.Perform(make_tuple());
  EXPECT_EQ(123, c->value_);
  delete c;
}

class UnaryConstructorClass {
 public:
  explicit UnaryConstructorClass(int value) : value_(value) {}
  int value_;
};

// Tests using ReturnNew() with a unary constructor.
TEST(ReturnNewTest, Unary) {
  Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000);
  UnaryConstructorClass* c = a.Perform(make_tuple());
  EXPECT_EQ(4000, c->value_);
  delete c;
}

TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) {
  Action<UnaryConstructorClass*(bool, int)> a =
      ReturnNew<UnaryConstructorClass>(4000);
  UnaryConstructorClass* c = a.Perform(make_tuple(false, 5));
  EXPECT_EQ(4000, c->value_);
  delete c;
}

TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) {
  Action<const UnaryConstructorClass*()> a =
      ReturnNew<UnaryConstructorClass>(4000);
  const UnaryConstructorClass* c = a.Perform(make_tuple());
  EXPECT_EQ(4000, c->value_);
  delete c;
}

class TenArgConstructorClass {
 public:
  TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5,
                         int a6, int a7, int a8, int a9, int a10)
    : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {
  }
  int value_;
};

// Tests using ReturnNew() with a 10-argument constructor.
TEST(ReturnNewTest, ConstructorThatTakes10Arguments) {
  Action<TenArgConstructorClass*()> a =
      ReturnNew<TenArgConstructorClass>(1000000000, 200000000, 30000000,
                                        4000000, 500000, 60000,
                                        7000, 800, 90, 0);
  TenArgConstructorClass* c = a.Perform(make_tuple());
  EXPECT_EQ(1234567890, c->value_);
  delete c;
}

// Tests that ACTION_TEMPLATE works when there is no value parameter.
ACTION_TEMPLATE(CreateNew,
                HAS_1_TEMPLATE_PARAMS(typename, T),
                AND_0_VALUE_PARAMS()) {
  return new T;
}

TEST(ActionTemplateTest, WorksWithoutValueParam) {
  const Action<int*()> a = CreateNew<int>();
  int* p = a.Perform(make_tuple());
  delete p;
}

// Tests that ACTION_TEMPLATE works when there are value parameters.
ACTION_TEMPLATE(CreateNew,
                HAS_1_TEMPLATE_PARAMS(typename, T),
                AND_1_VALUE_PARAMS(a0)) {
  return new T(a0);
}

TEST(ActionTemplateTest, WorksWithValueParams) {
  const Action<int*()> a = CreateNew<int>(42);
  int* p = a.Perform(make_tuple());
  EXPECT_EQ(42, *p);
  delete p;
}

// Tests that ACTION_TEMPLATE works for integral template parameters.
ACTION_TEMPLATE(MyDeleteArg,
                HAS_1_TEMPLATE_PARAMS(int, k),
                AND_0_VALUE_PARAMS()) {
  delete get<k>(args);
}

// Resets a bool variable in the destructor.
class BoolResetter {
 public:
  explicit BoolResetter(bool* value) : value_(value) {}
  ~BoolResetter() { *value_ = false; }
 private:
  bool* value_;
};

TEST(ActionTemplateTest, WorksForIntegralTemplateParams) {
  const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>();
  int n = 0;
  bool b = true;
  BoolResetter* resetter = new BoolResetter(&b);
  a.Perform(make_tuple(&n, resetter));
  EXPECT_FALSE(b);  // Verifies that resetter is deleted.
}

// Tests that ACTION_TEMPLATES works for template parameters.
ACTION_TEMPLATE(ReturnSmartPointer,
                HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class,
                                      Pointer),
                AND_1_VALUE_PARAMS(pointee)) {
  return Pointer<pointee_type>(new pointee_type(pointee));
}

TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) {
  using ::testing::internal::linked_ptr;
  const Action<linked_ptr<int>()> a = ReturnSmartPointer<linked_ptr>(42);
  linked_ptr<int> p = a.Perform(make_tuple());
  EXPECT_EQ(42, *p);
}

// Tests that ACTION_TEMPLATE works for 10 template parameters.
template <typename T1, typename T2, typename T3, int k4, bool k5,
          unsigned int k6, typename T7, typename T8, typename T9>
struct GiantTemplate {
 public:
  explicit GiantTemplate(int a_value) : value(a_value) {}
  int value;
};

ACTION_TEMPLATE(ReturnGiant,
                HAS_10_TEMPLATE_PARAMS(
                    typename, T1,
                    typename, T2,
                    typename, T3,
                    int, k4,
                    bool, k5,
                    unsigned int, k6,
                    class, T7,
                    class, T8,
                    class, T9,
                    template <typename T> class, T10),
                AND_1_VALUE_PARAMS(value)) {
  return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value);
}

TEST(ActionTemplateTest, WorksFor10TemplateParameters) {
  using ::testing::internal::linked_ptr;
  typedef GiantTemplate<linked_ptr<int>, bool, double, 5,
      true, 6, char, unsigned, int> Giant;
  const Action<Giant()> a = ReturnGiant<
      int, bool, double, 5, true, 6, char, unsigned, int, linked_ptr>(42);
  Giant giant = a.Perform(make_tuple());
  EXPECT_EQ(42, giant.value);
}

// Tests that ACTION_TEMPLATE works for 10 value parameters.
ACTION_TEMPLATE(ReturnSum,
                HAS_1_TEMPLATE_PARAMS(typename, Number),
                AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) {
  return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10;
}

TEST(ActionTemplateTest, WorksFor10ValueParameters) {
  const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
  EXPECT_EQ(55, a.Perform(make_tuple()));
}

// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded
// on the number of value parameters.

ACTION(ReturnSum) { return 0; }

ACTION_P(ReturnSum, x) { return x; }

ACTION_TEMPLATE(ReturnSum,
                HAS_1_TEMPLATE_PARAMS(typename, Number),
                AND_2_VALUE_PARAMS(v1, v2)) {
  return static_cast<Number>(v1) + v2;
}

ACTION_TEMPLATE(ReturnSum,
                HAS_1_TEMPLATE_PARAMS(typename, Number),
                AND_3_VALUE_PARAMS(v1, v2, v3)) {
  return static_cast<Number>(v1) + v2 + v3;
}

ACTION_TEMPLATE(ReturnSum,
                HAS_2_TEMPLATE_PARAMS(typename, Number, int, k),
                AND_4_VALUE_PARAMS(v1, v2, v3, v4)) {
  return static_cast<Number>(v1) + v2 + v3 + v4 + k;
}

TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) {
  const Action<int()> a0 = ReturnSum();
  const Action<int()> a1 = ReturnSum(1);
  const Action<int()> a2 = ReturnSum<int>(1, 2);
  const Action<int()> a3 = ReturnSum<int>(1, 2, 3);
  const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5);
  EXPECT_EQ(0, a0.Perform(make_tuple()));
  EXPECT_EQ(1, a1.Perform(make_tuple()));
  EXPECT_EQ(3, a2.Perform(make_tuple()));
  EXPECT_EQ(6, a3.Perform(make_tuple()));
  EXPECT_EQ(12345, a4.Perform(make_tuple()));
}

#ifdef _MSC_VER
# pragma warning(pop)
#endif

}  // namespace gmock_generated_actions_test
}  // namespace testing