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gmock-more-actions_test.cc
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30 // Author: wan@google.com (Zhanyong Wan)
31 
32 // Google Mock - a framework for writing C++ mock classes.
33 //
34 // This file tests the built-in actions in gmock-more-actions.h.
35 
37 
38 #include <functional>
39 #include <sstream>
40 #include <string>
41 #include "gmock/gmock.h"
42 #include "gtest/gtest.h"
44 
45 namespace testing {
46 namespace gmock_more_actions_test {
47 
48 using ::std::plus;
50 using testing::get;
52 using testing::tuple;
53 using testing::tuple_element;
54 using testing::_;
55 using testing::Action;
57 using testing::DeleteArg;
58 using testing::Invoke;
59 using testing::Return;
60 using testing::ReturnArg;
61 using testing::ReturnPointee;
62 using testing::SaveArg;
63 using testing::SaveArgPointee;
64 using testing::SetArgReferee;
66 using testing::Unused;
67 using testing::WithArg;
70 
71 // For suppressing compiler warnings on conversion possibly losing precision.
72 inline short Short(short n) { return n; } // NOLINT
73 inline char Char(char ch) { return ch; }
74 
75 // Sample functions and functors for testing Invoke() and etc.
76 int Nullary() { return 1; }
77 
79  public:
80  int operator()() { return 2; }
81 };
82 
83 bool g_done = false;
84 void VoidNullary() { g_done = true; }
85 
87  public:
88  void operator()() { g_done = true; }
89 };
90 
91 bool Unary(int x) { return x < 0; }
92 
93 const char* Plus1(const char* s) { return s + 1; }
94 
95 void VoidUnary(int /* n */) { g_done = true; }
96 
97 bool ByConstRef(const string& s) { return s == "Hi"; }
98 
99 const double g_double = 0;
100 bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
101 
102 string ByNonConstRef(string& s) { return s += "+"; } // NOLINT
103 
104 struct UnaryFunctor {
105  int operator()(bool x) { return x ? 1 : -1; }
106 };
107 
108 const char* Binary(const char* input, short n) { return input + n; } // NOLINT
109 
110 void VoidBinary(int, char) { g_done = true; }
111 
112 int Ternary(int x, char y, short z) { return x + y + z; } // NOLINT
113 
114 void VoidTernary(int, char, bool) { g_done = true; }
115 
116 int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
117 
118 int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; }
119 
120 void VoidFunctionWithFourArguments(char, int, float, double) { g_done = true; }
121 
122 string Concat4(const char* s1, const char* s2, const char* s3,
123  const char* s4) {
124  return string(s1) + s2 + s3 + s4;
125 }
126 
127 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
128 
130  int operator()(int a, int b, int c, int d, int e) {
131  return a + b + c + d + e;
132  }
133 };
134 
135 string Concat5(const char* s1, const char* s2, const char* s3,
136  const char* s4, const char* s5) {
137  return string(s1) + s2 + s3 + s4 + s5;
138 }
139 
140 int SumOf6(int a, int b, int c, int d, int e, int f) {
141  return a + b + c + d + e + f;
142 }
143 
145  int operator()(int a, int b, int c, int d, int e, int f) {
146  return a + b + c + d + e + f;
147  }
148 };
149 
150 string Concat6(const char* s1, const char* s2, const char* s3,
151  const char* s4, const char* s5, const char* s6) {
152  return string(s1) + s2 + s3 + s4 + s5 + s6;
153 }
154 
155 string Concat7(const char* s1, const char* s2, const char* s3,
156  const char* s4, const char* s5, const char* s6,
157  const char* s7) {
158  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
159 }
160 
161 string Concat8(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) {
164  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
165 }
166 
167 string Concat9(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  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
171 }
172 
173 string Concat10(const char* s1, const char* s2, const char* s3,
174  const char* s4, const char* s5, const char* s6,
175  const char* s7, const char* s8, const char* s9,
176  const char* s10) {
177  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
178 }
179 
180 class Foo {
181  public:
182  Foo() : value_(123) {}
183 
184  int Nullary() const { return value_; }
185 
186  short Unary(long x) { return static_cast<short>(value_ + x); } // NOLINT
187 
188  string Binary(const string& str, char c) const { return str + c; }
189 
190  int Ternary(int x, bool y, char z) { return value_ + x + y*z; }
191 
192  int SumOf4(int a, int b, int c, int d) const {
193  return a + b + c + d + value_;
194  }
195 
196  int SumOfLast2(Unused, Unused, int a, int b) const { return a + b; }
197 
198  int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
199 
200  int SumOf6(int a, int b, int c, int d, int e, int f) {
201  return a + b + c + d + e + f;
202  }
203 
204  string Concat7(const char* s1, const char* s2, const char* s3,
205  const char* s4, const char* s5, const char* s6,
206  const char* s7) {
207  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
208  }
209 
210  string Concat8(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) {
213  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
214  }
215 
216  string Concat9(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  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
220  }
221 
222  string Concat10(const char* s1, const char* s2, const char* s3,
223  const char* s4, const char* s5, const char* s6,
224  const char* s7, const char* s8, const char* s9,
225  const char* s10) {
226  return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
227  }
228 
229  private:
230  int value_;
231 };
232 
233 // Tests using Invoke() with a nullary function.
234 TEST(InvokeTest, Nullary) {
235  Action<int()> a = Invoke(Nullary); // NOLINT
236  EXPECT_EQ(1, a.Perform(make_tuple()));
237 }
238 
239 // Tests using Invoke() with a unary function.
240 TEST(InvokeTest, Unary) {
241  Action<bool(int)> a = Invoke(Unary); // NOLINT
244 }
245 
246 // Tests using Invoke() with a binary function.
247 TEST(InvokeTest, Binary) {
249  const char* p = "Hello";
250  EXPECT_EQ(p + 2, a.Perform(make_tuple(p, Short(2))));
251 }
252 
253 // Tests using Invoke() with a ternary function.
254 TEST(InvokeTest, Ternary) {
256  EXPECT_EQ(6, a.Perform(make_tuple(1, '\2', Short(3))));
257 }
258 
259 // Tests using Invoke() with a 4-argument function.
260 TEST(InvokeTest, FunctionThatTakes4Arguments) {
262  EXPECT_EQ(1234, a.Perform(make_tuple(1000, 200, 30, 4)));
263 }
264 
265 // Tests using Invoke() with a 5-argument function.
266 TEST(InvokeTest, FunctionThatTakes5Arguments) {
268  EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
269 }
270 
271 // Tests using Invoke() with a 6-argument function.
272 TEST(InvokeTest, FunctionThatTakes6Arguments) {
274  EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
275 }
276 
277 // A helper that turns the type of a C-string literal from const
278 // char[N] to const char*.
279 inline const char* CharPtr(const char* s) { return s; }
280 
281 // Tests using Invoke() with a 7-argument function.
282 TEST(InvokeTest, FunctionThatTakes7Arguments) {
283  Action<string(const char*, const char*, const char*, const char*,
284  const char*, const char*, const char*)> a =
285  Invoke(Concat7);
286  EXPECT_EQ("1234567",
287  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
288  CharPtr("4"), CharPtr("5"), CharPtr("6"),
289  CharPtr("7"))));
290 }
291 
292 // Tests using Invoke() with a 8-argument function.
293 TEST(InvokeTest, FunctionThatTakes8Arguments) {
294  Action<string(const char*, const char*, const char*, const char*,
295  const char*, const char*, const char*, const char*)> a =
296  Invoke(Concat8);
297  EXPECT_EQ("12345678",
298  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
299  CharPtr("4"), CharPtr("5"), CharPtr("6"),
300  CharPtr("7"), CharPtr("8"))));
301 }
302 
303 // Tests using Invoke() with a 9-argument function.
304 TEST(InvokeTest, FunctionThatTakes9Arguments) {
305  Action<string(const char*, const char*, const char*, const char*,
306  const char*, const char*, const char*, const char*,
307  const char*)> a = Invoke(Concat9);
308  EXPECT_EQ("123456789",
309  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
310  CharPtr("4"), CharPtr("5"), CharPtr("6"),
311  CharPtr("7"), CharPtr("8"), CharPtr("9"))));
312 }
313 
314 // Tests using Invoke() with a 10-argument function.
315 TEST(InvokeTest, FunctionThatTakes10Arguments) {
316  Action<string(const char*, const char*, const char*, const char*,
317  const char*, const char*, const char*, const char*,
318  const char*, const char*)> a = Invoke(Concat10);
319  EXPECT_EQ("1234567890",
320  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
321  CharPtr("4"), CharPtr("5"), CharPtr("6"),
322  CharPtr("7"), CharPtr("8"), CharPtr("9"),
323  CharPtr("0"))));
324 }
325 
326 // Tests using Invoke() with functions with parameters declared as Unused.
327 TEST(InvokeTest, FunctionWithUnusedParameters) {
330  string s("hi");
331  EXPECT_EQ(12, a1.Perform(
332  tuple<int, int, double, const string&>(10, 2, 5.6, s)));
333 
336  EXPECT_EQ(23, a2.Perform(make_tuple(20, 3, true, static_cast<int*>(NULL))));
337 }
338 
339 // Tests using Invoke() with methods with parameters declared as Unused.
340 TEST(InvokeTest, MethodWithUnusedParameters) {
341  Foo foo;
343  Invoke(&foo, &Foo::SumOfLast2);
344  EXPECT_EQ(12, a1.Perform(make_tuple(CharPtr("hi"), true, 10, 2)));
345 
347  Invoke(&foo, &Foo::SumOfLast2);
348  EXPECT_EQ(23, a2.Perform(make_tuple('a', 2.5, 20, 3)));
349 }
350 
351 // Tests using Invoke() with a functor.
352 TEST(InvokeTest, Functor) {
353  Action<long(long, int)> a = Invoke(plus<long>()); // NOLINT
354  EXPECT_EQ(3L, a.Perform(make_tuple(1, 2)));
355 }
356 
357 // Tests using Invoke(f) as an action of a compatible type.
358 TEST(InvokeTest, FunctionWithCompatibleType) {
360  EXPECT_EQ(4321, a.Perform(make_tuple(4000, Short(300), Char(20), true)));
361 }
362 
363 // Tests using Invoke() with an object pointer and a method pointer.
364 
365 // Tests using Invoke() with a nullary method.
366 TEST(InvokeMethodTest, Nullary) {
367  Foo foo;
368  Action<int()> a = Invoke(&foo, &Foo::Nullary); // NOLINT
369  EXPECT_EQ(123, a.Perform(make_tuple()));
370 }
371 
372 // Tests using Invoke() with a unary method.
373 TEST(InvokeMethodTest, Unary) {
374  Foo foo;
375  Action<short(long)> a = Invoke(&foo, &Foo::Unary); // NOLINT
376  EXPECT_EQ(4123, a.Perform(make_tuple(4000)));
377 }
378 
379 // Tests using Invoke() with a binary method.
380 TEST(InvokeMethodTest, Binary) {
381  Foo foo;
383  string s("Hell");
384  EXPECT_EQ("Hello", a.Perform(
385  tuple<const string&, char>(s, 'o')));
386 }
387 
388 // Tests using Invoke() with a ternary method.
389 TEST(InvokeMethodTest, Ternary) {
390  Foo foo;
392  EXPECT_EQ(1124, a.Perform(make_tuple(1000, true, Char(1))));
393 }
394 
395 // Tests using Invoke() with a 4-argument method.
396 TEST(InvokeMethodTest, MethodThatTakes4Arguments) {
397  Foo foo;
399  EXPECT_EQ(1357, a.Perform(make_tuple(1000, 200, 30, 4)));
400 }
401 
402 // Tests using Invoke() with a 5-argument method.
403 TEST(InvokeMethodTest, MethodThatTakes5Arguments) {
404  Foo foo;
406  EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
407 }
408 
409 // Tests using Invoke() with a 6-argument method.
410 TEST(InvokeMethodTest, MethodThatTakes6Arguments) {
411  Foo foo;
413  Invoke(&foo, &Foo::SumOf6);
414  EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
415 }
416 
417 // Tests using Invoke() with a 7-argument method.
418 TEST(InvokeMethodTest, MethodThatTakes7Arguments) {
419  Foo foo;
420  Action<string(const char*, const char*, const char*, const char*,
421  const char*, const char*, const char*)> a =
422  Invoke(&foo, &Foo::Concat7);
423  EXPECT_EQ("1234567",
424  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
425  CharPtr("4"), CharPtr("5"), CharPtr("6"),
426  CharPtr("7"))));
427 }
428 
429 // Tests using Invoke() with a 8-argument method.
430 TEST(InvokeMethodTest, MethodThatTakes8Arguments) {
431  Foo foo;
432  Action<string(const char*, const char*, const char*, const char*,
433  const char*, const char*, const char*, const char*)> a =
434  Invoke(&foo, &Foo::Concat8);
435  EXPECT_EQ("12345678",
436  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
437  CharPtr("4"), CharPtr("5"), CharPtr("6"),
438  CharPtr("7"), CharPtr("8"))));
439 }
440 
441 // Tests using Invoke() with a 9-argument method.
442 TEST(InvokeMethodTest, MethodThatTakes9Arguments) {
443  Foo foo;
444  Action<string(const char*, const char*, const char*, const char*,
445  const char*, const char*, const char*, const char*,
446  const char*)> a = Invoke(&foo, &Foo::Concat9);
447  EXPECT_EQ("123456789",
448  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
449  CharPtr("4"), CharPtr("5"), CharPtr("6"),
450  CharPtr("7"), CharPtr("8"), CharPtr("9"))));
451 }
452 
453 // Tests using Invoke() with a 10-argument method.
454 TEST(InvokeMethodTest, MethodThatTakes10Arguments) {
455  Foo foo;
456  Action<string(const char*, const char*, const char*, const char*,
457  const char*, const char*, const char*, const char*,
458  const char*, const char*)> a = Invoke(&foo, &Foo::Concat10);
459  EXPECT_EQ("1234567890",
460  a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
461  CharPtr("4"), CharPtr("5"), CharPtr("6"),
462  CharPtr("7"), CharPtr("8"), CharPtr("9"),
463  CharPtr("0"))));
464 }
465 
466 // Tests using Invoke(f) as an action of a compatible type.
467 TEST(InvokeMethodTest, MethodWithCompatibleType) {
468  Foo foo;
470  Invoke(&foo, &Foo::SumOf4);
471  EXPECT_EQ(4444, a.Perform(make_tuple(4000, Short(300), Char(20), true)));
472 }
473 
474 // Tests using WithoutArgs with an action that takes no argument.
475 TEST(WithoutArgsTest, NoArg) {
477  EXPECT_EQ(1, a.Perform(make_tuple(2)));
478 }
479 
480 // Tests using WithArg with an action that takes 1 argument.
481 TEST(WithArgTest, OneArg) {
482  Action<bool(double x, int n)> b = WithArg<1>(Invoke(Unary)); // NOLINT
483  EXPECT_TRUE(b.Perform(make_tuple(1.5, -1)));
484  EXPECT_FALSE(b.Perform(make_tuple(1.5, 1)));
485 }
486 
487 TEST(ReturnArgActionTest, WorksForOneArgIntArg0) {
488  const Action<int(int)> a = ReturnArg<0>();
489  EXPECT_EQ(5, a.Perform(make_tuple(5)));
490 }
491 
492 TEST(ReturnArgActionTest, WorksForMultiArgBoolArg0) {
493  const Action<bool(bool, bool, bool)> a = ReturnArg<0>();
494  EXPECT_TRUE(a.Perform(make_tuple(true, false, false)));
495 }
496 
497 TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) {
498  const Action<string(int, int, string, int)> a = ReturnArg<2>();
499  EXPECT_EQ("seven", a.Perform(make_tuple(5, 6, string("seven"), 8)));
500 }
501 
502 TEST(SaveArgActionTest, WorksForSameType) {
503  int result = 0;
504  const Action<void(int n)> a1 = SaveArg<0>(&result);
505  a1.Perform(make_tuple(5));
506  EXPECT_EQ(5, result);
507 }
508 
509 TEST(SaveArgActionTest, WorksForCompatibleType) {
510  int result = 0;
511  const Action<void(bool, char)> a1 = SaveArg<1>(&result);
512  a1.Perform(make_tuple(true, 'a'));
513  EXPECT_EQ('a', result);
514 }
515 
516 TEST(SaveArgPointeeActionTest, WorksForSameType) {
517  int result = 0;
518  const int value = 5;
519  const Action<void(const int*)> a1 = SaveArgPointee<0>(&result);
520  a1.Perform(make_tuple(&value));
521  EXPECT_EQ(5, result);
522 }
523 
524 TEST(SaveArgPointeeActionTest, WorksForCompatibleType) {
525  int result = 0;
526  char value = 'a';
527  const Action<void(bool, char*)> a1 = SaveArgPointee<1>(&result);
528  a1.Perform(make_tuple(true, &value));
529  EXPECT_EQ('a', result);
530 }
531 
532 TEST(SaveArgPointeeActionTest, WorksForLinkedPtr) {
533  int result = 0;
534  linked_ptr<int> value(new int(5));
535  const Action<void(linked_ptr<int>)> a1 = SaveArgPointee<0>(&result);
536  a1.Perform(make_tuple(value));
537  EXPECT_EQ(5, result);
538 }
539 
540 TEST(SetArgRefereeActionTest, WorksForSameType) {
541  int value = 0;
542  const Action<void(int&)> a1 = SetArgReferee<0>(1);
543  a1.Perform(tuple<int&>(value));
544  EXPECT_EQ(1, value);
545 }
546 
547 TEST(SetArgRefereeActionTest, WorksForCompatibleType) {
548  int value = 0;
549  const Action<void(int, int&)> a1 = SetArgReferee<1>('a');
550  a1.Perform(tuple<int, int&>(0, value));
551  EXPECT_EQ('a', value);
552 }
553 
554 TEST(SetArgRefereeActionTest, WorksWithExtraArguments) {
555  int value = 0;
556  const Action<void(bool, int, int&, const char*)> a1 = SetArgReferee<2>('a');
557  a1.Perform(tuple<bool, int, int&, const char*>(true, 0, value, "hi"));
558  EXPECT_EQ('a', value);
559 }
560 
561 // A class that can be used to verify that its destructor is called: it will set
562 // the bool provided to the constructor to true when destroyed.
564  public:
565  explicit DeletionTester(bool* is_deleted)
566  : is_deleted_(is_deleted) {
567  // Make sure the bit is set to false.
568  *is_deleted_ = false;
569  }
570 
572  *is_deleted_ = true;
573  }
574 
575  private:
576  bool* is_deleted_;
577 };
578 
579 TEST(DeleteArgActionTest, OneArg) {
580  bool is_deleted = false;
581  DeletionTester* t = new DeletionTester(&is_deleted);
582  const Action<void(DeletionTester*)> a1 = DeleteArg<0>(); // NOLINT
583  EXPECT_FALSE(is_deleted);
584  a1.Perform(make_tuple(t));
585  EXPECT_TRUE(is_deleted);
586 }
587 
588 TEST(DeleteArgActionTest, TenArgs) {
589  bool is_deleted = false;
590  DeletionTester* t = new DeletionTester(&is_deleted);
591  const Action<void(bool, int, int, const char*, bool,
592  int, int, int, int, DeletionTester*)> a1 = DeleteArg<9>();
593  EXPECT_FALSE(is_deleted);
594  a1.Perform(make_tuple(true, 5, 6, CharPtr("hi"), false, 7, 8, 9, 10, t));
595  EXPECT_TRUE(is_deleted);
596 }
597 
598 #if GTEST_HAS_EXCEPTIONS
599 
600 TEST(ThrowActionTest, ThrowsGivenExceptionInVoidFunction) {
601  const Action<void(int n)> a = Throw('a');
602  EXPECT_THROW(a.Perform(make_tuple(0)), char);
603 }
604 
605 class MyException {};
606 
607 TEST(ThrowActionTest, ThrowsGivenExceptionInNonVoidFunction) {
608  const Action<double(char ch)> a = Throw(MyException());
609  EXPECT_THROW(a.Perform(make_tuple('0')), MyException);
610 }
611 
612 TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) {
613  const Action<double()> a = Throw(MyException());
614  EXPECT_THROW(a.Perform(make_tuple()), MyException);
615 }
616 
617 #endif // GTEST_HAS_EXCEPTIONS
618 
619 // Tests that SetArrayArgument<N>(first, last) sets the elements of the array
620 // pointed to by the N-th (0-based) argument to values in range [first, last).
621 TEST(SetArrayArgumentTest, SetsTheNthArray) {
622  typedef void MyFunction(bool, int*, char*);
623  int numbers[] = { 1, 2, 3 };
624  Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers + 3);
625 
626  int n[4] = {};
627  int* pn = n;
628  char ch[4] = {};
629  char* pch = ch;
630  a.Perform(make_tuple(true, pn, pch));
631  EXPECT_EQ(1, n[0]);
632  EXPECT_EQ(2, n[1]);
633  EXPECT_EQ(3, n[2]);
634  EXPECT_EQ(0, n[3]);
635  EXPECT_EQ('\0', ch[0]);
636  EXPECT_EQ('\0', ch[1]);
637  EXPECT_EQ('\0', ch[2]);
638  EXPECT_EQ('\0', ch[3]);
639 
640  // Tests first and last are iterators.
641  std::string letters = "abc";
642  a = SetArrayArgument<2>(letters.begin(), letters.end());
643  std::fill_n(n, 4, 0);
644  std::fill_n(ch, 4, '\0');
645  a.Perform(make_tuple(true, pn, pch));
646  EXPECT_EQ(0, n[0]);
647  EXPECT_EQ(0, n[1]);
648  EXPECT_EQ(0, n[2]);
649  EXPECT_EQ(0, n[3]);
650  EXPECT_EQ('a', ch[0]);
651  EXPECT_EQ('b', ch[1]);
652  EXPECT_EQ('c', ch[2]);
653  EXPECT_EQ('\0', ch[3]);
654 }
655 
656 // Tests SetArrayArgument<N>(first, last) where first == last.
657 TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) {
658  typedef void MyFunction(bool, int*);
659  int numbers[] = { 1, 2, 3 };
660  Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers);
661 
662  int n[4] = {};
663  int* pn = n;
664  a.Perform(make_tuple(true, pn));
665  EXPECT_EQ(0, n[0]);
666  EXPECT_EQ(0, n[1]);
667  EXPECT_EQ(0, n[2]);
668  EXPECT_EQ(0, n[3]);
669 }
670 
671 // Tests SetArrayArgument<N>(first, last) where *first is convertible
672 // (but not equal) to the argument type.
673 TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) {
674  typedef void MyFunction(bool, int*);
675  char chars[] = { 97, 98, 99 };
676  Action<MyFunction> a = SetArrayArgument<1>(chars, chars + 3);
677 
678  int codes[4] = { 111, 222, 333, 444 };
679  int* pcodes = codes;
680  a.Perform(make_tuple(true, pcodes));
681  EXPECT_EQ(97, codes[0]);
682  EXPECT_EQ(98, codes[1]);
683  EXPECT_EQ(99, codes[2]);
684  EXPECT_EQ(444, codes[3]);
685 }
686 
687 // Test SetArrayArgument<N>(first, last) with iterator as argument.
688 TEST(SetArrayArgumentTest, SetsTheNthArrayWithIteratorArgument) {
689  typedef void MyFunction(bool, std::back_insert_iterator<std::string>);
690  std::string letters = "abc";
691  Action<MyFunction> a = SetArrayArgument<1>(letters.begin(), letters.end());
692 
693  std::string s;
694  a.Perform(make_tuple(true, back_inserter(s)));
695  EXPECT_EQ(letters, s);
696 }
697 
698 TEST(ReturnPointeeTest, Works) {
699  int n = 42;
700  const Action<int()> a = ReturnPointee(&n);
701  EXPECT_EQ(42, a.Perform(make_tuple()));
702 
703  n = 43;
704  EXPECT_EQ(43, a.Perform(make_tuple()));
705 }
706 
707 } // namespace gmock_generated_actions_test
708 } // namespace testing