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29
30
31 // Google Mock - a framework for writing C++ mock classes.
32 //
33 // This file tests the built-in actions in gmock-more-actions.h.
34
35 #include "gmock/gmock-more-actions.h"
36
37 #include <functional>
38 #include <memory>
39 #include <sstream>
40 #include <string>
41 #include "gmock/gmock.h"
42 #include "gtest/gtest.h"
43
44 namespace testing {
45 namespace gmock_more_actions_test {
46
47 using ::std::plus;
48 using ::std::string;
49 using testing::_;
50 using testing::Action;
51 using testing::ActionInterface;
52 using testing::DeleteArg;
53 using testing::Invoke;
54 using testing::Return;
55 using testing::ReturnArg;
56 using testing::ReturnPointee;
57 using testing::SaveArg;
58 using testing::SaveArgPointee;
59 using testing::SetArgReferee;
60 using testing::StaticAssertTypeEq;
61 using testing::Unused;
62 using testing::WithArg;
63 using testing::WithoutArgs;
64
65 // For suppressing compiler warnings on conversion possibly losing precision.
Short(short n)66 inline short Short(short n) { return n; } // NOLINT
Char(char ch)67 inline char Char(char ch) { return ch; }
68
69 // Sample functions and functors for testing Invoke() and etc.
Nullary()70 int Nullary() { return 1; }
71
72 class NullaryFunctor {
73 public:
operator ()()74 int operator()() { return 2; }
75 };
76
77 bool g_done = false;
VoidNullary()78 void VoidNullary() { g_done = true; }
79
80 class VoidNullaryFunctor {
81 public:
operator ()()82 void operator()() { g_done = true; }
83 };
84
Unary(int x)85 bool Unary(int x) { return x < 0; }
86
Plus1(const char * s)87 const char* Plus1(const char* s) { return s + 1; }
88
VoidUnary(int)89 void VoidUnary(int /* n */) { g_done = true; }
90
ByConstRef(const std::string & s)91 bool ByConstRef(const std::string& s) { return s == "Hi"; }
92
93 const double g_double = 0;
ReferencesGlobalDouble(const double & x)94 bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
95
ByNonConstRef(std::string & s)96 std::string ByNonConstRef(std::string& s) { return s += "+"; } // NOLINT
97
98 struct UnaryFunctor {
operator ()testing::gmock_more_actions_test::UnaryFunctor99 int operator()(bool x) { return x ? 1 : -1; }
100 };
101
Binary(const char * input,short n)102 const char* Binary(const char* input, short n) { return input + n; } // NOLINT
103
VoidBinary(int,char)104 void VoidBinary(int, char) { g_done = true; }
105
Ternary(int x,char y,short z)106 int Ternary(int x, char y, short z) { return x + y + z; } // NOLINT
107
VoidTernary(int,char,bool)108 void VoidTernary(int, char, bool) { g_done = true; }
109
SumOf4(int a,int b,int c,int d)110 int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
111
SumOfFirst2(int a,int b,Unused,Unused)112 int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; }
113
VoidFunctionWithFourArguments(char,int,float,double)114 void VoidFunctionWithFourArguments(char, int, float, double) { g_done = true; }
115
Concat4(const char * s1,const char * s2,const char * s3,const char * s4)116 std::string Concat4(const char* s1, const char* s2, const char* s3,
117 const char* s4) {
118 return std::string(s1) + s2 + s3 + s4;
119 }
120
SumOf5(int a,int b,int c,int d,int e)121 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
122
123 struct SumOf5Functor {
operator ()testing::gmock_more_actions_test::SumOf5Functor124 int operator()(int a, int b, int c, int d, int e) {
125 return a + b + c + d + e;
126 }
127 };
128
Concat5(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5)129 std::string Concat5(const char* s1, const char* s2, const char* s3,
130 const char* s4, const char* s5) {
131 return std::string(s1) + s2 + s3 + s4 + s5;
132 }
133
SumOf6(int a,int b,int c,int d,int e,int f)134 int SumOf6(int a, int b, int c, int d, int e, int f) {
135 return a + b + c + d + e + f;
136 }
137
138 struct SumOf6Functor {
operator ()testing::gmock_more_actions_test::SumOf6Functor139 int operator()(int a, int b, int c, int d, int e, int f) {
140 return a + b + c + d + e + f;
141 }
142 };
143
Concat6(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6)144 std::string Concat6(const char* s1, const char* s2, const char* s3,
145 const char* s4, const char* s5, const char* s6) {
146 return std::string(s1) + s2 + s3 + s4 + s5 + s6;
147 }
148
Concat7(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7)149 std::string Concat7(const char* s1, const char* s2, const char* s3,
150 const char* s4, const char* s5, const char* s6,
151 const char* s7) {
152 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
153 }
154
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)155 std::string Concat8(const char* s1, const char* s2, const char* s3,
156 const char* s4, const char* s5, const char* s6,
157 const char* s7, const char* s8) {
158 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
159 }
160
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)161 std::string Concat9(const char* s1, const char* s2, const char* s3,
162 const char* s4, const char* s5, const char* s6,
163 const char* s7, const char* s8, const char* s9) {
164 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
165 }
166
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)167 std::string Concat10(const char* s1, const char* s2, const char* s3,
168 const char* s4, const char* s5, const char* s6,
169 const char* s7, const char* s8, const char* s9,
170 const char* s10) {
171 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
172 }
173
174 class Foo {
175 public:
Foo()176 Foo() : value_(123) {}
177
Nullary() const178 int Nullary() const { return value_; }
179
Unary(long x)180 short Unary(long x) { return static_cast<short>(value_ + x); } // NOLINT
181
Binary(const std::string & str,char c) const182 std::string Binary(const std::string& str, char c) const { return str + c; }
183
Ternary(int x,bool y,char z)184 int Ternary(int x, bool y, char z) { return value_ + x + y*z; }
185
SumOf4(int a,int b,int c,int d) const186 int SumOf4(int a, int b, int c, int d) const {
187 return a + b + c + d + value_;
188 }
189
SumOfLast2(Unused,Unused,int a,int b) const190 int SumOfLast2(Unused, Unused, int a, int b) const { return a + b; }
191
SumOf5(int a,int b,int c,int d,int e)192 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
193
SumOf6(int a,int b,int c,int d,int e,int f)194 int SumOf6(int a, int b, int c, int d, int e, int f) {
195 return a + b + c + d + e + f;
196 }
197
Concat7(const char * s1,const char * s2,const char * s3,const char * s4,const char * s5,const char * s6,const char * s7)198 std::string Concat7(const char* s1, const char* s2, const char* s3,
199 const char* s4, const char* s5, const char* s6,
200 const char* s7) {
201 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
202 }
203
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)204 std::string Concat8(const char* s1, const char* s2, const char* s3,
205 const char* s4, const char* s5, const char* s6,
206 const char* s7, const char* s8) {
207 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
208 }
209
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)210 std::string Concat9(const char* s1, const char* s2, const char* s3,
211 const char* s4, const char* s5, const char* s6,
212 const char* s7, const char* s8, const char* s9) {
213 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
214 }
215
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)216 std::string Concat10(const char* s1, const char* s2, const char* s3,
217 const char* s4, const char* s5, const char* s6,
218 const char* s7, const char* s8, const char* s9,
219 const char* s10) {
220 return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
221 }
222
223 private:
224 int value_;
225 };
226
227 // Tests using Invoke() with a nullary function.
TEST(InvokeTest,Nullary)228 TEST(InvokeTest, Nullary) {
229 Action<int()> a = Invoke(Nullary); // NOLINT
230 EXPECT_EQ(1, a.Perform(std::make_tuple()));
231 }
232
233 // Tests using Invoke() with a unary function.
TEST(InvokeTest,Unary)234 TEST(InvokeTest, Unary) {
235 Action<bool(int)> a = Invoke(Unary); // NOLINT
236 EXPECT_FALSE(a.Perform(std::make_tuple(1)));
237 EXPECT_TRUE(a.Perform(std::make_tuple(-1)));
238 }
239
240 // Tests using Invoke() with a binary function.
TEST(InvokeTest,Binary)241 TEST(InvokeTest, Binary) {
242 Action<const char*(const char*, short)> a = Invoke(Binary); // NOLINT
243 const char* p = "Hello";
244 EXPECT_EQ(p + 2, a.Perform(std::make_tuple(p, Short(2))));
245 }
246
247 // Tests using Invoke() with a ternary function.
TEST(InvokeTest,Ternary)248 TEST(InvokeTest, Ternary) {
249 Action<int(int, char, short)> a = Invoke(Ternary); // NOLINT
250 EXPECT_EQ(6, a.Perform(std::make_tuple(1, '\2', Short(3))));
251 }
252
253 // Tests using Invoke() with a 4-argument function.
TEST(InvokeTest,FunctionThatTakes4Arguments)254 TEST(InvokeTest, FunctionThatTakes4Arguments) {
255 Action<int(int, int, int, int)> a = Invoke(SumOf4); // NOLINT
256 EXPECT_EQ(1234, a.Perform(std::make_tuple(1000, 200, 30, 4)));
257 }
258
259 // Tests using Invoke() with a 5-argument function.
TEST(InvokeTest,FunctionThatTakes5Arguments)260 TEST(InvokeTest, FunctionThatTakes5Arguments) {
261 Action<int(int, int, int, int, int)> a = Invoke(SumOf5); // NOLINT
262 EXPECT_EQ(12345, a.Perform(std::make_tuple(10000, 2000, 300, 40, 5)));
263 }
264
265 // Tests using Invoke() with a 6-argument function.
TEST(InvokeTest,FunctionThatTakes6Arguments)266 TEST(InvokeTest, FunctionThatTakes6Arguments) {
267 Action<int(int, int, int, int, int, int)> a = Invoke(SumOf6); // NOLINT
268 EXPECT_EQ(123456,
269 a.Perform(std::make_tuple(100000, 20000, 3000, 400, 50, 6)));
270 }
271
272 // A helper that turns the type of a C-string literal from const
273 // char[N] to const char*.
CharPtr(const char * s)274 inline const char* CharPtr(const char* s) { return s; }
275
276 // Tests using Invoke() with a 7-argument function.
TEST(InvokeTest,FunctionThatTakes7Arguments)277 TEST(InvokeTest, FunctionThatTakes7Arguments) {
278 Action<std::string(const char*, const char*, const char*, const char*,
279 const char*, const char*, const char*)>
280 a = Invoke(Concat7);
281 EXPECT_EQ("1234567",
282 a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
283 CharPtr("4"), CharPtr("5"), CharPtr("6"),
284 CharPtr("7"))));
285 }
286
287 // Tests using Invoke() with a 8-argument function.
TEST(InvokeTest,FunctionThatTakes8Arguments)288 TEST(InvokeTest, FunctionThatTakes8Arguments) {
289 Action<std::string(const char*, const char*, const char*, const char*,
290 const char*, const char*, const char*, const char*)>
291 a = Invoke(Concat8);
292 EXPECT_EQ("12345678",
293 a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
294 CharPtr("4"), CharPtr("5"), CharPtr("6"),
295 CharPtr("7"), CharPtr("8"))));
296 }
297
298 // Tests using Invoke() with a 9-argument function.
TEST(InvokeTest,FunctionThatTakes9Arguments)299 TEST(InvokeTest, FunctionThatTakes9Arguments) {
300 Action<std::string(const char*, const char*, const char*, const char*,
301 const char*, const char*, const char*, const char*,
302 const char*)>
303 a = Invoke(Concat9);
304 EXPECT_EQ("123456789", a.Perform(std::make_tuple(
305 CharPtr("1"), CharPtr("2"), CharPtr("3"),
306 CharPtr("4"), CharPtr("5"), CharPtr("6"),
307 CharPtr("7"), CharPtr("8"), CharPtr("9"))));
308 }
309
310 // Tests using Invoke() with a 10-argument function.
TEST(InvokeTest,FunctionThatTakes10Arguments)311 TEST(InvokeTest, FunctionThatTakes10Arguments) {
312 Action<std::string(const char*, const char*, const char*, const char*,
313 const char*, const char*, const char*, const char*,
314 const char*, const char*)>
315 a = Invoke(Concat10);
316 EXPECT_EQ("1234567890",
317 a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
318 CharPtr("4"), CharPtr("5"), CharPtr("6"),
319 CharPtr("7"), CharPtr("8"), CharPtr("9"),
320 CharPtr("0"))));
321 }
322
323 // Tests using Invoke() with functions with parameters declared as Unused.
TEST(InvokeTest,FunctionWithUnusedParameters)324 TEST(InvokeTest, FunctionWithUnusedParameters) {
325 Action<int(int, int, double, const std::string&)> a1 = Invoke(SumOfFirst2);
326 std::tuple<int, int, double, std::string> dummy =
327 std::make_tuple(10, 2, 5.6, std::string("hi"));
328 EXPECT_EQ(12, a1.Perform(dummy));
329
330 Action<int(int, int, bool, int*)> a2 =
331 Invoke(SumOfFirst2);
332 EXPECT_EQ(
333 23, a2.Perform(std::make_tuple(20, 3, true, static_cast<int*>(nullptr))));
334 }
335
336 // Tests using Invoke() with methods with parameters declared as Unused.
TEST(InvokeTest,MethodWithUnusedParameters)337 TEST(InvokeTest, MethodWithUnusedParameters) {
338 Foo foo;
339 Action<int(std::string, bool, int, int)> a1 = Invoke(&foo, &Foo::SumOfLast2);
340 EXPECT_EQ(12, a1.Perform(std::make_tuple(CharPtr("hi"), true, 10, 2)));
341
342 Action<int(char, double, int, int)> a2 =
343 Invoke(&foo, &Foo::SumOfLast2);
344 EXPECT_EQ(23, a2.Perform(std::make_tuple('a', 2.5, 20, 3)));
345 }
346
347 // Tests using Invoke() with a functor.
TEST(InvokeTest,Functor)348 TEST(InvokeTest, Functor) {
349 Action<long(long, int)> a = Invoke(plus<long>()); // NOLINT
350 EXPECT_EQ(3L, a.Perform(std::make_tuple(1, 2)));
351 }
352
353 // Tests using Invoke(f) as an action of a compatible type.
TEST(InvokeTest,FunctionWithCompatibleType)354 TEST(InvokeTest, FunctionWithCompatibleType) {
355 Action<long(int, short, char, bool)> a = Invoke(SumOf4); // NOLINT
356 EXPECT_EQ(4321, a.Perform(std::make_tuple(4000, Short(300), Char(20), true)));
357 }
358
359 // Tests using Invoke() with an object pointer and a method pointer.
360
361 // Tests using Invoke() with a nullary method.
TEST(InvokeMethodTest,Nullary)362 TEST(InvokeMethodTest, Nullary) {
363 Foo foo;
364 Action<int()> a = Invoke(&foo, &Foo::Nullary); // NOLINT
365 EXPECT_EQ(123, a.Perform(std::make_tuple()));
366 }
367
368 // Tests using Invoke() with a unary method.
TEST(InvokeMethodTest,Unary)369 TEST(InvokeMethodTest, Unary) {
370 Foo foo;
371 Action<short(long)> a = Invoke(&foo, &Foo::Unary); // NOLINT
372 EXPECT_EQ(4123, a.Perform(std::make_tuple(4000)));
373 }
374
375 // Tests using Invoke() with a binary method.
TEST(InvokeMethodTest,Binary)376 TEST(InvokeMethodTest, Binary) {
377 Foo foo;
378 Action<std::string(const std::string&, char)> a = Invoke(&foo, &Foo::Binary);
379 std::string s("Hell");
380 std::tuple<std::string, char> dummy = std::make_tuple(s, 'o');
381 EXPECT_EQ("Hello", a.Perform(dummy));
382 }
383
384 // Tests using Invoke() with a ternary method.
TEST(InvokeMethodTest,Ternary)385 TEST(InvokeMethodTest, Ternary) {
386 Foo foo;
387 Action<int(int, bool, char)> a = Invoke(&foo, &Foo::Ternary); // NOLINT
388 EXPECT_EQ(1124, a.Perform(std::make_tuple(1000, true, Char(1))));
389 }
390
391 // Tests using Invoke() with a 4-argument method.
TEST(InvokeMethodTest,MethodThatTakes4Arguments)392 TEST(InvokeMethodTest, MethodThatTakes4Arguments) {
393 Foo foo;
394 Action<int(int, int, int, int)> a = Invoke(&foo, &Foo::SumOf4); // NOLINT
395 EXPECT_EQ(1357, a.Perform(std::make_tuple(1000, 200, 30, 4)));
396 }
397
398 // Tests using Invoke() with a 5-argument method.
TEST(InvokeMethodTest,MethodThatTakes5Arguments)399 TEST(InvokeMethodTest, MethodThatTakes5Arguments) {
400 Foo foo;
401 Action<int(int, int, int, int, int)> a = Invoke(&foo, &Foo::SumOf5); // NOLINT
402 EXPECT_EQ(12345, a.Perform(std::make_tuple(10000, 2000, 300, 40, 5)));
403 }
404
405 // Tests using Invoke() with a 6-argument method.
TEST(InvokeMethodTest,MethodThatTakes6Arguments)406 TEST(InvokeMethodTest, MethodThatTakes6Arguments) {
407 Foo foo;
408 Action<int(int, int, int, int, int, int)> a = // NOLINT
409 Invoke(&foo, &Foo::SumOf6);
410 EXPECT_EQ(123456,
411 a.Perform(std::make_tuple(100000, 20000, 3000, 400, 50, 6)));
412 }
413
414 // Tests using Invoke() with a 7-argument method.
TEST(InvokeMethodTest,MethodThatTakes7Arguments)415 TEST(InvokeMethodTest, MethodThatTakes7Arguments) {
416 Foo foo;
417 Action<std::string(const char*, const char*, const char*, const char*,
418 const char*, const char*, const char*)>
419 a = Invoke(&foo, &Foo::Concat7);
420 EXPECT_EQ("1234567",
421 a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
422 CharPtr("4"), CharPtr("5"), CharPtr("6"),
423 CharPtr("7"))));
424 }
425
426 // Tests using Invoke() with a 8-argument method.
TEST(InvokeMethodTest,MethodThatTakes8Arguments)427 TEST(InvokeMethodTest, MethodThatTakes8Arguments) {
428 Foo foo;
429 Action<std::string(const char*, const char*, const char*, const char*,
430 const char*, const char*, const char*, const char*)>
431 a = Invoke(&foo, &Foo::Concat8);
432 EXPECT_EQ("12345678",
433 a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
434 CharPtr("4"), CharPtr("5"), CharPtr("6"),
435 CharPtr("7"), CharPtr("8"))));
436 }
437
438 // Tests using Invoke() with a 9-argument method.
TEST(InvokeMethodTest,MethodThatTakes9Arguments)439 TEST(InvokeMethodTest, MethodThatTakes9Arguments) {
440 Foo foo;
441 Action<std::string(const char*, const char*, const char*, const char*,
442 const char*, const char*, const char*, const char*,
443 const char*)>
444 a = Invoke(&foo, &Foo::Concat9);
445 EXPECT_EQ("123456789", a.Perform(std::make_tuple(
446 CharPtr("1"), CharPtr("2"), CharPtr("3"),
447 CharPtr("4"), CharPtr("5"), CharPtr("6"),
448 CharPtr("7"), CharPtr("8"), CharPtr("9"))));
449 }
450
451 // Tests using Invoke() with a 10-argument method.
TEST(InvokeMethodTest,MethodThatTakes10Arguments)452 TEST(InvokeMethodTest, MethodThatTakes10Arguments) {
453 Foo foo;
454 Action<std::string(const char*, const char*, const char*, const char*,
455 const char*, const char*, const char*, const char*,
456 const char*, const char*)>
457 a = Invoke(&foo, &Foo::Concat10);
458 EXPECT_EQ("1234567890",
459 a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
460 CharPtr("4"), CharPtr("5"), CharPtr("6"),
461 CharPtr("7"), CharPtr("8"), CharPtr("9"),
462 CharPtr("0"))));
463 }
464
465 // Tests using Invoke(f) as an action of a compatible type.
TEST(InvokeMethodTest,MethodWithCompatibleType)466 TEST(InvokeMethodTest, MethodWithCompatibleType) {
467 Foo foo;
468 Action<long(int, short, char, bool)> a = // NOLINT
469 Invoke(&foo, &Foo::SumOf4);
470 EXPECT_EQ(4444, a.Perform(std::make_tuple(4000, Short(300), Char(20), true)));
471 }
472
473 // Tests using WithoutArgs with an action that takes no argument.
TEST(WithoutArgsTest,NoArg)474 TEST(WithoutArgsTest, NoArg) {
475 Action<int(int n)> a = WithoutArgs(Invoke(Nullary)); // NOLINT
476 EXPECT_EQ(1, a.Perform(std::make_tuple(2)));
477 }
478
479 // Tests using WithArg with an action that takes 1 argument.
TEST(WithArgTest,OneArg)480 TEST(WithArgTest, OneArg) {
481 Action<bool(double x, int n)> b = WithArg<1>(Invoke(Unary)); // NOLINT
482 EXPECT_TRUE(b.Perform(std::make_tuple(1.5, -1)));
483 EXPECT_FALSE(b.Perform(std::make_tuple(1.5, 1)));
484 }
485
TEST(ReturnArgActionTest,WorksForOneArgIntArg0)486 TEST(ReturnArgActionTest, WorksForOneArgIntArg0) {
487 const Action<int(int)> a = ReturnArg<0>();
488 EXPECT_EQ(5, a.Perform(std::make_tuple(5)));
489 }
490
TEST(ReturnArgActionTest,WorksForMultiArgBoolArg0)491 TEST(ReturnArgActionTest, WorksForMultiArgBoolArg0) {
492 const Action<bool(bool, bool, bool)> a = ReturnArg<0>();
493 EXPECT_TRUE(a.Perform(std::make_tuple(true, false, false)));
494 }
495
TEST(ReturnArgActionTest,WorksForMultiArgStringArg2)496 TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) {
497 const Action<std::string(int, int, std::string, int)> a = ReturnArg<2>();
498 EXPECT_EQ("seven", a.Perform(std::make_tuple(5, 6, std::string("seven"), 8)));
499 }
500
TEST(SaveArgActionTest,WorksForSameType)501 TEST(SaveArgActionTest, WorksForSameType) {
502 int result = 0;
503 const Action<void(int n)> a1 = SaveArg<0>(&result);
504 a1.Perform(std::make_tuple(5));
505 EXPECT_EQ(5, result);
506 }
507
TEST(SaveArgActionTest,WorksForCompatibleType)508 TEST(SaveArgActionTest, WorksForCompatibleType) {
509 int result = 0;
510 const Action<void(bool, char)> a1 = SaveArg<1>(&result);
511 a1.Perform(std::make_tuple(true, 'a'));
512 EXPECT_EQ('a', result);
513 }
514
TEST(SaveArgPointeeActionTest,WorksForSameType)515 TEST(SaveArgPointeeActionTest, WorksForSameType) {
516 int result = 0;
517 const int value = 5;
518 const Action<void(const int*)> a1 = SaveArgPointee<0>(&result);
519 a1.Perform(std::make_tuple(&value));
520 EXPECT_EQ(5, result);
521 }
522
TEST(SaveArgPointeeActionTest,WorksForCompatibleType)523 TEST(SaveArgPointeeActionTest, WorksForCompatibleType) {
524 int result = 0;
525 char value = 'a';
526 const Action<void(bool, char*)> a1 = SaveArgPointee<1>(&result);
527 a1.Perform(std::make_tuple(true, &value));
528 EXPECT_EQ('a', result);
529 }
530
TEST(SetArgRefereeActionTest,WorksForSameType)531 TEST(SetArgRefereeActionTest, WorksForSameType) {
532 int value = 0;
533 const Action<void(int&)> a1 = SetArgReferee<0>(1);
534 a1.Perform(std::tuple<int&>(value));
535 EXPECT_EQ(1, value);
536 }
537
TEST(SetArgRefereeActionTest,WorksForCompatibleType)538 TEST(SetArgRefereeActionTest, WorksForCompatibleType) {
539 int value = 0;
540 const Action<void(int, int&)> a1 = SetArgReferee<1>('a');
541 a1.Perform(std::tuple<int, int&>(0, value));
542 EXPECT_EQ('a', value);
543 }
544
TEST(SetArgRefereeActionTest,WorksWithExtraArguments)545 TEST(SetArgRefereeActionTest, WorksWithExtraArguments) {
546 int value = 0;
547 const Action<void(bool, int, int&, const char*)> a1 = SetArgReferee<2>('a');
548 a1.Perform(std::tuple<bool, int, int&, const char*>(true, 0, value, "hi"));
549 EXPECT_EQ('a', value);
550 }
551
552 // A class that can be used to verify that its destructor is called: it will set
553 // the bool provided to the constructor to true when destroyed.
554 class DeletionTester {
555 public:
DeletionTester(bool * is_deleted)556 explicit DeletionTester(bool* is_deleted)
557 : is_deleted_(is_deleted) {
558 // Make sure the bit is set to false.
559 *is_deleted_ = false;
560 }
561
~DeletionTester()562 ~DeletionTester() {
563 *is_deleted_ = true;
564 }
565
566 private:
567 bool* is_deleted_;
568 };
569
TEST(DeleteArgActionTest,OneArg)570 TEST(DeleteArgActionTest, OneArg) {
571 bool is_deleted = false;
572 DeletionTester* t = new DeletionTester(&is_deleted);
573 const Action<void(DeletionTester*)> a1 = DeleteArg<0>(); // NOLINT
574 EXPECT_FALSE(is_deleted);
575 a1.Perform(std::make_tuple(t));
576 EXPECT_TRUE(is_deleted);
577 }
578
TEST(DeleteArgActionTest,TenArgs)579 TEST(DeleteArgActionTest, TenArgs) {
580 bool is_deleted = false;
581 DeletionTester* t = new DeletionTester(&is_deleted);
582 const Action<void(bool, int, int, const char*, bool,
583 int, int, int, int, DeletionTester*)> a1 = DeleteArg<9>();
584 EXPECT_FALSE(is_deleted);
585 a1.Perform(std::make_tuple(true, 5, 6, CharPtr("hi"), false, 7, 8, 9, 10, t));
586 EXPECT_TRUE(is_deleted);
587 }
588
589 #if GTEST_HAS_EXCEPTIONS
590
TEST(ThrowActionTest,ThrowsGivenExceptionInVoidFunction)591 TEST(ThrowActionTest, ThrowsGivenExceptionInVoidFunction) {
592 const Action<void(int n)> a = Throw('a');
593 EXPECT_THROW(a.Perform(std::make_tuple(0)), char);
594 }
595
596 class MyException {};
597
TEST(ThrowActionTest,ThrowsGivenExceptionInNonVoidFunction)598 TEST(ThrowActionTest, ThrowsGivenExceptionInNonVoidFunction) {
599 const Action<double(char ch)> a = Throw(MyException());
600 EXPECT_THROW(a.Perform(std::make_tuple('0')), MyException);
601 }
602
TEST(ThrowActionTest,ThrowsGivenExceptionInNullaryFunction)603 TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) {
604 const Action<double()> a = Throw(MyException());
605 EXPECT_THROW(a.Perform(std::make_tuple()), MyException);
606 }
607
608 #endif // GTEST_HAS_EXCEPTIONS
609
610 // Tests that SetArrayArgument<N>(first, last) sets the elements of the array
611 // pointed to by the N-th (0-based) argument to values in range [first, last).
TEST(SetArrayArgumentTest,SetsTheNthArray)612 TEST(SetArrayArgumentTest, SetsTheNthArray) {
613 typedef void MyFunction(bool, int*, char*);
614 int numbers[] = { 1, 2, 3 };
615 Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers + 3);
616
617 int n[4] = {};
618 int* pn = n;
619 char ch[4] = {};
620 char* pch = ch;
621 a.Perform(std::make_tuple(true, pn, pch));
622 EXPECT_EQ(1, n[0]);
623 EXPECT_EQ(2, n[1]);
624 EXPECT_EQ(3, n[2]);
625 EXPECT_EQ(0, n[3]);
626 EXPECT_EQ('\0', ch[0]);
627 EXPECT_EQ('\0', ch[1]);
628 EXPECT_EQ('\0', ch[2]);
629 EXPECT_EQ('\0', ch[3]);
630
631 // Tests first and last are iterators.
632 std::string letters = "abc";
633 a = SetArrayArgument<2>(letters.begin(), letters.end());
634 std::fill_n(n, 4, 0);
635 std::fill_n(ch, 4, '\0');
636 a.Perform(std::make_tuple(true, pn, pch));
637 EXPECT_EQ(0, n[0]);
638 EXPECT_EQ(0, n[1]);
639 EXPECT_EQ(0, n[2]);
640 EXPECT_EQ(0, n[3]);
641 EXPECT_EQ('a', ch[0]);
642 EXPECT_EQ('b', ch[1]);
643 EXPECT_EQ('c', ch[2]);
644 EXPECT_EQ('\0', ch[3]);
645 }
646
647 // Tests SetArrayArgument<N>(first, last) where first == last.
TEST(SetArrayArgumentTest,SetsTheNthArrayWithEmptyRange)648 TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) {
649 typedef void MyFunction(bool, int*);
650 int numbers[] = { 1, 2, 3 };
651 Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers);
652
653 int n[4] = {};
654 int* pn = n;
655 a.Perform(std::make_tuple(true, pn));
656 EXPECT_EQ(0, n[0]);
657 EXPECT_EQ(0, n[1]);
658 EXPECT_EQ(0, n[2]);
659 EXPECT_EQ(0, n[3]);
660 }
661
662 // Tests SetArrayArgument<N>(first, last) where *first is convertible
663 // (but not equal) to the argument type.
TEST(SetArrayArgumentTest,SetsTheNthArrayWithConvertibleType)664 TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) {
665 typedef void MyFunction(bool, int*);
666 char chars[] = { 97, 98, 99 };
667 Action<MyFunction> a = SetArrayArgument<1>(chars, chars + 3);
668
669 int codes[4] = { 111, 222, 333, 444 };
670 int* pcodes = codes;
671 a.Perform(std::make_tuple(true, pcodes));
672 EXPECT_EQ(97, codes[0]);
673 EXPECT_EQ(98, codes[1]);
674 EXPECT_EQ(99, codes[2]);
675 EXPECT_EQ(444, codes[3]);
676 }
677
678 // Test SetArrayArgument<N>(first, last) with iterator as argument.
TEST(SetArrayArgumentTest,SetsTheNthArrayWithIteratorArgument)679 TEST(SetArrayArgumentTest, SetsTheNthArrayWithIteratorArgument) {
680 typedef void MyFunction(bool, std::back_insert_iterator<std::string>);
681 std::string letters = "abc";
682 Action<MyFunction> a = SetArrayArgument<1>(letters.begin(), letters.end());
683
684 std::string s;
685 a.Perform(std::make_tuple(true, back_inserter(s)));
686 EXPECT_EQ(letters, s);
687 }
688
TEST(ReturnPointeeTest,Works)689 TEST(ReturnPointeeTest, Works) {
690 int n = 42;
691 const Action<int()> a = ReturnPointee(&n);
692 EXPECT_EQ(42, a.Perform(std::make_tuple()));
693
694 n = 43;
695 EXPECT_EQ(43, a.Perform(std::make_tuple()));
696 }
697
698 } // namespace gmock_generated_actions_test
699 } // namespace testing
700