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     29 //
     30 // Author: wan (at) 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 
     44 namespace testing {
     45 namespace gmock_generated_actions_test {
     46 
     47 using ::std::plus;
     48 using ::std::string;
     49 using ::std::tr1::get;
     50 using ::std::tr1::make_tuple;
     51 using ::std::tr1::tuple;
     52 using ::std::tr1::tuple_element;
     53 using testing::_;
     54 using testing::Action;
     55 using testing::ActionInterface;
     56 using testing::ByRef;
     57 using testing::DoAll;
     58 using testing::Invoke;
     59 using testing::Return;
     60 using testing::ReturnNew;
     61 using testing::SetArgPointee;
     62 using testing::StaticAssertTypeEq;
     63 using testing::Unused;
     64 using testing::WithArgs;
     65 
     66 // For suppressing compiler warnings on conversion possibly losing precision.
     67 inline short Short(short n) { return n; }  // NOLINT
     68 inline char Char(char ch) { return ch; }
     69 
     70 // Sample functions and functors for testing various actions.
     71 int Nullary() { return 1; }
     72 
     73 class NullaryFunctor {
     74  public:
     75   int operator()() { return 2; }
     76 };
     77 
     78 bool g_done = false;
     79 
     80 bool Unary(int x) { return x < 0; }
     81 
     82 const char* Plus1(const char* s) { return s + 1; }
     83 
     84 bool ByConstRef(const string& s) { return s == "Hi"; }
     85 
     86 const double g_double = 0;
     87 bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
     88 
     89 string ByNonConstRef(string& s) { return s += "+"; }  // NOLINT
     90 
     91 struct UnaryFunctor {
     92   int operator()(bool x) { return x ? 1 : -1; }
     93 };
     94 
     95 const char* Binary(const char* input, short n) { return input + n; }  // NOLINT
     96 
     97 void VoidBinary(int, char) { g_done = true; }
     98 
     99 int Ternary(int x, char y, short z) { return x + y + z; }  // NOLINT
    100 
    101 void VoidTernary(int, char, bool) { g_done = true; }
    102 
    103 int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
    104 
    105 string Concat4(const char* s1, const char* s2, const char* s3,
    106                const char* s4) {
    107   return string(s1) + s2 + s3 + s4;
    108 }
    109 
    110 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
    111 
    112 struct SumOf5Functor {
    113   int operator()(int a, int b, int c, int d, int e) {
    114     return a + b + c + d + e;
    115   }
    116 };
    117 
    118 string 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 
    123 int SumOf6(int a, int b, int c, int d, int e, int f) {
    124   return a + b + c + d + e + f;
    125 }
    126 
    127 struct 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 
    133 string 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 
    138 string 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 
    144 string 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 
    150 string 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 
    156 string 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*.
    165 inline const char* CharPtr(const char* s) { return s; }
    166 
    167 // Tests InvokeArgument<N>(...).
    168 
    169 // Tests using InvokeArgument with a nullary function.
    170 TEST(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.
    176 TEST(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.
    182 TEST(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.
    189 TEST(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.
    196 TEST(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.
    203 TEST(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.
    210 TEST(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.
    219 TEST(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.
    228 TEST(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.
    237 TEST(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.
    247 TEST(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.
    255 TEST(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.
    262 TEST(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.
    273 TEST(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.
    285 TEST(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.
    292 TEST(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.
    300 TEST(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.
    307 TEST(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.
    315 TEST(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.
    325 TEST(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.
    333 TEST(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.
    342 TEST(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.
    351 TEST(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.
    360 TEST(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().
    369 class 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 
    376 TEST(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.
    383 TEST(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.
    390 TEST(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.
    397 TEST(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.
    405 TEST(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.
    412 TEST(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).
    420 TEST(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).
    429 TEST(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).
    440 TEST(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).
    455 TEST(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).
    472 TEST(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).
    491 TEST(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).
    512 TEST(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).
    536 TEST(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).
    562 TEST(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.
    604 ACTION(Return5) { return 5; }
    605 
    606 TEST(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.
    615 ACTION(IncrementArg1) { (*arg1)++; }
    616 
    617 TEST(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.
    626 ACTION(IncrementArg2) {
    627   StaticAssertTypeEq<int*, arg2_type>();
    628   arg2_type temp = arg2;
    629   (*temp)++;
    630 }
    631 
    632 TEST(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.
    641 ACTION(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 
    647 TEST(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.
    655 int Dummy(bool flag) { return flag? 1 : 0; }
    656 
    657 ACTION(InvokeDummy) {
    658   StaticAssertTypeEq<int(bool), function_type>();
    659   function_type* fp = &Dummy;
    660   return (*fp)(true);
    661 }
    662 
    663 TEST(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.
    671 ACTION(InvokeDummy2) {
    672   StaticAssertTypeEq<int, return_type>();
    673   return_type result = Dummy(true);
    674   return result;
    675 }
    676 
    677 TEST(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.
    684 ACTION(ReturnAddrOfConstBoolReferenceArg) {
    685   StaticAssertTypeEq<const bool&, arg1_type>();
    686   return &arg1;
    687 }
    688 
    689 TEST(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.
    696 ACTION(ReturnAddrOfIntReferenceArg) {
    697   StaticAssertTypeEq<int&, arg0_type>();
    698   return &arg0;
    699 }
    700 
    701 TEST(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.
    708 namespace action_test {
    709 ACTION(Sum) { return arg0 + arg1; }
    710 }  // namespace action_test
    711 
    712 TEST(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.
    719 ACTION(PlusTwo) { return arg0 + 2; }
    720 
    721 TEST(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.
    731 ACTION_P(Plus, n) { return arg0 + n; }
    732 
    733 TEST(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.
    740 ACTION_P(TypedPlus, n) {
    741   arg0_type t1 = arg0;
    742   n_type t2 = n;
    743   return t1 + t2;
    744 }
    745 
    746 TEST(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.
    753 TEST(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 
    762 ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; }
    763 
    764 ACTION_P(OverloadedAction, default_value) {
    765   return arg0 ? arg1 : default_value;
    766 }
    767 
    768 ACTION_P2(OverloadedAction, true_value, false_value) {
    769   return arg0 ? true_value : false_value;
    770 }
    771 
    772 TEST(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 
    790 ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; }
    791 
    792 TEST(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 
    801 ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }
    802 
    803 TEST(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 
    808 ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }
    809 
    810 TEST(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 
    815 ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
    816   return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
    817 }
    818 
    819 TEST(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 
    824 ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
    825   return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
    826 }
    827 
    828 TEST(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 
    833 ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
    834   return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
    835 }
    836 
    837 TEST(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 
    842 ACTION_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 
    846 TEST(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 
    851 ACTION_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 
    857 TEST(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 
    865 ACTION_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 
    872 TEST(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.
    886 ACTION_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.
    897 template <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.
    901 ConcatImplActionP3<std::string, T1, T2>
    902 Concat(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.
    917 template <typename T1, typename T2>
    918 ConcatImplActionP3<T1, int, T2>
    919 Concat(T1 a, int b, T2 c) {
    920   return ConcatImpl(a, b, c);
    921 }
    922 
    923 TEST(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 
    933 ACTION(DoFoo) {}
    934 ACTION_P(DoFoo, p) {}
    935 ACTION_P2(DoFoo, p0, p1) {}
    936 
    937 TEST(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 
    964 ACTION_P(Plus1, x) { return x; }
    965 ACTION_P2(Plus2, x, y) { return x + y; }
    966 ACTION_P3(Plus3, x, y, z) { return x + y + z; }
    967 ACTION_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 
    971 TEST(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 
    991 class NullaryConstructorClass {
    992  public:
    993   NullaryConstructorClass() : value_(123) {}
    994   int value_;
    995 };
    996 
    997 // Tests using ReturnNew() with a nullary constructor.
    998 TEST(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 
   1005 class UnaryConstructorClass {
   1006  public:
   1007   explicit UnaryConstructorClass(int value) : value_(value) {}
   1008   int value_;
   1009 };
   1010 
   1011 // Tests using ReturnNew() with a unary constructor.
   1012 TEST(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 
   1019 TEST(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 
   1027 TEST(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 
   1035 class 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.
   1045 TEST(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.
   1056 ACTION_TEMPLATE(CreateNew,
   1057                 HAS_1_TEMPLATE_PARAMS(typename, T),
   1058                 AND_0_VALUE_PARAMS()) {
   1059   return new T;
   1060 }
   1061 
   1062 TEST(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.
   1069 ACTION_TEMPLATE(CreateNew,
   1070                 HAS_1_TEMPLATE_PARAMS(typename, T),
   1071                 AND_1_VALUE_PARAMS(a0)) {
   1072   return new T(a0);
   1073 }
   1074 
   1075 TEST(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.
   1083 ACTION_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.
   1090 class BoolResetter {
   1091  public:
   1092   explicit BoolResetter(bool* value) : value_(value) {}
   1093   ~BoolResetter() { *value_ = false; }
   1094  private:
   1095   bool* value_;
   1096 };
   1097 
   1098 TEST(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.
   1108 ACTION_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 
   1115 TEST(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.
   1123 template <typename T1, typename T2, typename T3, int k4, bool k5,
   1124           unsigned int k6, typename T7, typename T8, typename T9>
   1125 struct GiantTemplate {
   1126  public:
   1127   explicit GiantTemplate(int a_value) : value(a_value) {}
   1128   int value;
   1129 };
   1130 
   1131 ACTION_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 
   1147 TEST(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.
   1158 ACTION_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 
   1164 TEST(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 
   1172 ACTION(ReturnSum) { return 0; }
   1173 
   1174 ACTION_P(ReturnSum, x) { return x; }
   1175 
   1176 ACTION_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 
   1182 ACTION_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 
   1188 ACTION_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 
   1194 TEST(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