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Issue 113807: Checkin a version of gmock, modified to use our boost_tuple in VS2005. (Closed)
Patch Set: Fix grammar issue. Created 11 years, 6 months ago
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1 // Copyright 2007, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 // * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 //
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 generated by a script.
35
36 #include <gmock/gmock-generated-actions.h>
37
38 #include <functional>
39 #include <string>
40 #include <gmock/gmock.h>
41 #include <gtest/gtest.h>
42
43 namespace testing {
44 namespace gmock_generated_actions_test {
45
46 using ::std::plus;
47 using ::std::string;
48 using ::std::tr1::get;
49 using ::std::tr1::make_tuple;
50 using ::std::tr1::tuple;
51 using ::std::tr1::tuple_element;
52 using testing::_;
53 using testing::Action;
54 using testing::ActionInterface;
55 using testing::ByRef;
56 using testing::DeleteArg;
57 using testing::DoAll;
58 using testing::Invoke;
59 using testing::InvokeArgument;
60 using testing::Return;
61 using testing::ReturnNew;
62 using testing::SaveArg;
63 using testing::SetArgReferee;
64 using testing::SetArgumentPointee;
65 using testing::StaticAssertTypeEq;
66 using testing::Unused;
67 using testing::WithArg;
68 using testing::WithArgs;
69 using testing::WithoutArgs;
70
71 // Sample functions and functors for testing Invoke() and etc.
72 int Nullary() { return 1; }
73
74 class NullaryFunctor {
75 public:
76 int operator()() { return 2; }
77 };
78
79 bool g_done = false;
80 void VoidNullary() { g_done = true; }
81
82 class VoidNullaryFunctor {
83 public:
84 void operator()() { g_done = true; }
85 };
86
87 bool Unary(int x) { return x < 0; }
88
89 const char* Plus1(const char* s) { return s + 1; }
90
91 void VoidUnary(int n) { g_done = true; }
92
93 bool ByConstRef(const string& s) { return s == "Hi"; }
94
95 const double g_double = 0;
96 bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
97
98 string ByNonConstRef(string& s) { return s += "+"; } // NOLINT
99
100 struct UnaryFunctor {
101 int operator()(bool x) { return x ? 1 : -1; }
102 };
103
104 const char* Binary(const char* input, short n) { return input + n; } // NOLINT
105
106 void VoidBinary(int, char) { g_done = true; }
107
108 int Ternary(int x, char y, short z) { return x + y + z; } // NOLINT
109
110 void VoidTernary(int, char, bool) { g_done = true; }
111
112 int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
113
114 int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; }
115
116 void VoidFunctionWithFourArguments(char, int, float, double) { g_done = true; }
117
118 string Concat4(const char* s1, const char* s2, const char* s3,
119 const char* s4) {
120 return string(s1) + s2 + s3 + s4;
121 }
122
123 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
124
125 struct SumOf5Functor {
126 int operator()(int a, int b, int c, int d, int e) {
127 return a + b + c + d + e;
128 }
129 };
130
131 string Concat5(const char* s1, const char* s2, const char* s3,
132 const char* s4, const char* s5) {
133 return string(s1) + s2 + s3 + s4 + s5;
134 }
135
136 int SumOf6(int a, int b, int c, int d, int e, int f) {
137 return a + b + c + d + e + f;
138 }
139
140 struct SumOf6Functor {
141 int operator()(int a, int b, int c, int d, int e, int f) {
142 return a + b + c + d + e + f;
143 }
144 };
145
146 string Concat6(const char* s1, const char* s2, const char* s3,
147 const char* s4, const char* s5, const char* s6) {
148 return string(s1) + s2 + s3 + s4 + s5 + s6;
149 }
150
151 string Concat7(const char* s1, const char* s2, const char* s3,
152 const char* s4, const char* s5, const char* s6,
153 const char* s7) {
154 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
155 }
156
157 string Concat8(const char* s1, const char* s2, const char* s3,
158 const char* s4, const char* s5, const char* s6,
159 const char* s7, const char* s8) {
160 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
161 }
162
163 string Concat9(const char* s1, const char* s2, const char* s3,
164 const char* s4, const char* s5, const char* s6,
165 const char* s7, const char* s8, const char* s9) {
166 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
167 }
168
169 string Concat10(const char* s1, const char* s2, const char* s3,
170 const char* s4, const char* s5, const char* s6,
171 const char* s7, const char* s8, const char* s9,
172 const char* s10) {
173 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
174 }
175
176 class Foo {
177 public:
178 Foo() : value_(123) {}
179
180 int Nullary() const { return value_; }
181
182 short Unary(long x) { return static_cast<short>(value_ + x); } // NOLINT
183
184 string Binary(const string& str, char c) const { return str + c; }
185
186 int Ternary(int x, bool y, char z) { return value_ + x + y*z; }
187
188 int SumOf4(int a, int b, int c, int d) const {
189 return a + b + c + d + value_;
190 }
191
192 int SumOfLast2(Unused, Unused, int a, int b) const { return a + b; }
193
194 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
195
196 int SumOf6(int a, int b, int c, int d, int e, int f) {
197 return a + b + c + d + e + f;
198 }
199
200 string Concat7(const char* s1, const char* s2, const char* s3,
201 const char* s4, const char* s5, const char* s6,
202 const char* s7) {
203 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
204 }
205
206 string Concat8(const char* s1, const char* s2, const char* s3,
207 const char* s4, const char* s5, const char* s6,
208 const char* s7, const char* s8) {
209 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
210 }
211
212 string Concat9(const char* s1, const char* s2, const char* s3,
213 const char* s4, const char* s5, const char* s6,
214 const char* s7, const char* s8, const char* s9) {
215 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
216 }
217
218 string Concat10(const char* s1, const char* s2, const char* s3,
219 const char* s4, const char* s5, const char* s6,
220 const char* s7, const char* s8, const char* s9,
221 const char* s10) {
222 return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
223 }
224 private:
225 int value_;
226 };
227
228 // Tests using Invoke() with a nullary function.
229 TEST(InvokeTest, Nullary) {
230 Action<int()> a = Invoke(Nullary); // NOLINT
231 EXPECT_EQ(1, a.Perform(make_tuple()));
232 }
233
234 // Tests using Invoke() with a unary function.
235 TEST(InvokeTest, Unary) {
236 Action<bool(int)> a = Invoke(Unary); // NOLINT
237 EXPECT_FALSE(a.Perform(make_tuple(1)));
238 EXPECT_TRUE(a.Perform(make_tuple(-1)));
239 }
240
241 // Tests using Invoke() with a binary function.
242 TEST(InvokeTest, Binary) {
243 Action<const char*(const char*, short)> a = Invoke(Binary); // NOLINT
244 const char* p = "Hello";
245 EXPECT_EQ(p + 2, a.Perform(make_tuple(p, 2)));
246 }
247
248 // Tests using Invoke() with a ternary function.
249 TEST(InvokeTest, Ternary) {
250 Action<int(int, char, short)> a = Invoke(Ternary); // NOLINT
251 EXPECT_EQ(6, a.Perform(make_tuple(1, '\2', 3)));
252 }
253
254 // Tests using Invoke() with a 4-argument function.
255 TEST(InvokeTest, FunctionThatTakes4Arguments) {
256 Action<int(int, int, int, int)> a = Invoke(SumOf4); // NOLINT
257 EXPECT_EQ(1234, a.Perform(make_tuple(1000, 200, 30, 4)));
258 }
259
260 // Tests using Invoke() with a 5-argument function.
261 TEST(InvokeTest, FunctionThatTakes5Arguments) {
262 Action<int(int, int, int, int, int)> a = Invoke(SumOf5); // NOLINT
263 EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
264 }
265
266 // Tests using Invoke() with a 6-argument function.
267 TEST(InvokeTest, FunctionThatTakes6Arguments) {
268 Action<int(int, int, int, int, int, int)> a = Invoke(SumOf6); // NOLINT
269 EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
270 }
271
272 // Tests using Invoke() with a 7-argument function.
273 TEST(InvokeTest, FunctionThatTakes7Arguments) {
274 Action<string(const char*, const char*, const char*, const char*,
275 const char*, const char*, const char*)> a =
276 Invoke(Concat7);
277 EXPECT_EQ("1234567",
278 a.Perform(make_tuple("1", "2", "3", "4", "5", "6", "7")));
279 }
280
281 // Tests using Invoke() with a 8-argument function.
282 TEST(InvokeTest, FunctionThatTakes8Arguments) {
283 Action<string(const char*, const char*, const char*, const char*,
284 const char*, const char*, const char*, const char*)> a =
285 Invoke(Concat8);
286 EXPECT_EQ("12345678",
287 a.Perform(make_tuple("1", "2", "3", "4", "5", "6", "7", "8")));
288 }
289
290 // Tests using Invoke() with a 9-argument function.
291 TEST(InvokeTest, FunctionThatTakes9Arguments) {
292 Action<string(const char*, const char*, const char*, const char*,
293 const char*, const char*, const char*, const char*,
294 const char*)> a = Invoke(Concat9);
295 EXPECT_EQ("123456789",
296 a.Perform(make_tuple("1", "2", "3", "4", "5", "6", "7", "8", "9")));
297 }
298
299 // Tests using Invoke() with a 10-argument function.
300 TEST(InvokeTest, FunctionThatTakes10Arguments) {
301 Action<string(const char*, const char*, const char*, const char*,
302 const char*, const char*, const char*, const char*,
303 const char*, const char*)> a = Invoke(Concat10);
304 EXPECT_EQ("1234567890", a.Perform(make_tuple("1", "2", "3", "4", "5", "6",
305 "7", "8", "9", "0")));
306 }
307
308 // Tests using Invoke() with functions with parameters declared as Unused.
309 TEST(InvokeTest, FunctionWithUnusedParameters) {
310 Action<int(int, int, double, const string&)> a1 =
311 Invoke(SumOfFirst2);
312 EXPECT_EQ(12, a1.Perform(make_tuple(10, 2, 5.6, "hi")));
313
314 Action<int(int, int, bool, int*)> a2 =
315 Invoke(SumOfFirst2);
316 EXPECT_EQ(23, a2.Perform(make_tuple(20, 3, true, static_cast<int*>(NULL))));
317 }
318
319 // Tests using Invoke() with methods with parameters declared as Unused.
320 TEST(InvokeTest, MethodWithUnusedParameters) {
321 Foo foo;
322 Action<int(string, bool, int, int)> a1 =
323 Invoke(&foo, &Foo::SumOfLast2);
324 EXPECT_EQ(12, a1.Perform(make_tuple("hi", true, 10, 2)));
325
326 Action<int(char, double, int, int)> a2 =
327 Invoke(&foo, &Foo::SumOfLast2);
328 EXPECT_EQ(23, a2.Perform(make_tuple('a', 2.5, 20, 3)));
329 }
330
331 // Tests using Invoke() with a functor.
332 TEST(InvokeTest, Functor) {
333 Action<int(short, char)> a = Invoke(plus<short>()); // NOLINT
334 EXPECT_EQ(3, a.Perform(make_tuple(1, 2)));
335 }
336
337 // Tests using Invoke(f) as an action of a compatible type.
338 TEST(InvokeTest, FunctionWithCompatibleType) {
339 Action<long(int, short, char, bool)> a = Invoke(SumOf4); // NOLINT
340 EXPECT_EQ(4321, a.Perform(make_tuple(4000, 300, 20, true)));
341 }
342
343 // Tests using Invoke() with an object pointer and a method pointer.
344
345 // Tests using Invoke() with a nullary method.
346 TEST(InvokeMethodTest, Nullary) {
347 Foo foo;
348 Action<int()> a = Invoke(&foo, &Foo::Nullary); // NOLINT
349 EXPECT_EQ(123, a.Perform(make_tuple()));
350 }
351
352 // Tests using Invoke() with a unary method.
353 TEST(InvokeMethodTest, Unary) {
354 Foo foo;
355 Action<short(long)> a = Invoke(&foo, &Foo::Unary); // NOLINT
356 EXPECT_EQ(4123, a.Perform(make_tuple(4000)));
357 }
358
359 // Tests using Invoke() with a binary method.
360 TEST(InvokeMethodTest, Binary) {
361 Foo foo;
362 Action<string(const string&, char)> a = Invoke(&foo, &Foo::Binary);
363 string s("Hell");
364 EXPECT_EQ("Hello", a.Perform(make_tuple(s, 'o')));
365 }
366
367 // Tests using Invoke() with a ternary method.
368 TEST(InvokeMethodTest, Ternary) {
369 Foo foo;
370 Action<int(int, bool, char)> a = Invoke(&foo, &Foo::Ternary); // NOLINT
371 EXPECT_EQ(1124, a.Perform(make_tuple(1000, true, 1)));
372 }
373
374 // Tests using Invoke() with a 4-argument method.
375 TEST(InvokeMethodTest, MethodThatTakes4Arguments) {
376 Foo foo;
377 Action<int(int, int, int, int)> a = Invoke(&foo, &Foo::SumOf4); // NOLINT
378 EXPECT_EQ(1357, a.Perform(make_tuple(1000, 200, 30, 4)));
379 }
380
381 // Tests using Invoke() with a 5-argument method.
382 TEST(InvokeMethodTest, MethodThatTakes5Arguments) {
383 Foo foo;
384 Action<int(int, int, int, int, int)> a = Invoke(&foo, &Foo::SumOf5); // NOLIN T
385 EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
386 }
387
388 // Tests using Invoke() with a 6-argument method.
389 TEST(InvokeMethodTest, MethodThatTakes6Arguments) {
390 Foo foo;
391 Action<int(int, int, int, int, int, int)> a = // NOLINT
392 Invoke(&foo, &Foo::SumOf6);
393 EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
394 }
395
396 // Tests using Invoke() with a 7-argument method.
397 TEST(InvokeMethodTest, MethodThatTakes7Arguments) {
398 Foo foo;
399 Action<string(const char*, const char*, const char*, const char*,
400 const char*, const char*, const char*)> a =
401 Invoke(&foo, &Foo::Concat7);
402 EXPECT_EQ("1234567",
403 a.Perform(make_tuple("1", "2", "3", "4", "5", "6", "7")));
404 }
405
406 // Tests using Invoke() with a 8-argument method.
407 TEST(InvokeMethodTest, MethodThatTakes8Arguments) {
408 Foo foo;
409 Action<string(const char*, const char*, const char*, const char*,
410 const char*, const char*, const char*, const char*)> a =
411 Invoke(&foo, &Foo::Concat8);
412 EXPECT_EQ("12345678",
413 a.Perform(make_tuple("1", "2", "3", "4", "5", "6", "7", "8")));
414 }
415
416 // Tests using Invoke() with a 9-argument method.
417 TEST(InvokeMethodTest, MethodThatTakes9Arguments) {
418 Foo foo;
419 Action<string(const char*, const char*, const char*, const char*,
420 const char*, const char*, const char*, const char*,
421 const char*)> a = Invoke(&foo, &Foo::Concat9);
422 EXPECT_EQ("123456789",
423 a.Perform(make_tuple("1", "2", "3", "4", "5", "6", "7", "8", "9")));
424 }
425
426 // Tests using Invoke() with a 10-argument method.
427 TEST(InvokeMethodTest, MethodThatTakes10Arguments) {
428 Foo foo;
429 Action<string(const char*, const char*, const char*, const char*,
430 const char*, const char*, const char*, const char*,
431 const char*, const char*)> a = Invoke(&foo, &Foo::Concat10);
432 EXPECT_EQ("1234567890", a.Perform(make_tuple("1", "2", "3", "4", "5", "6",
433 "7", "8", "9", "0")));
434 }
435
436 // Tests using Invoke(f) as an action of a compatible type.
437 TEST(InvokeMethodTest, MethodWithCompatibleType) {
438 Foo foo;
439 Action<long(int, short, char, bool)> a = // NOLINT
440 Invoke(&foo, &Foo::SumOf4);
441 EXPECT_EQ(4444, a.Perform(make_tuple(4000, 300, 20, true)));
442 }
443
444 // Tests ByRef().
445
446 // Tests that ReferenceWrapper<T> is copyable.
447 TEST(ByRefTest, IsCopyable) {
448 const string s1 = "Hi";
449 const string s2 = "Hello";
450
451 ::testing::internal::ReferenceWrapper<const string> ref_wrapper = ByRef(s1);
452 const string& r1 = ref_wrapper;
453 EXPECT_EQ(&s1, &r1);
454
455 // Assigns a new value to ref_wrapper.
456 ref_wrapper = ByRef(s2);
457 const string& r2 = ref_wrapper;
458 EXPECT_EQ(&s2, &r2);
459
460 ::testing::internal::ReferenceWrapper<const string> ref_wrapper1 = ByRef(s1);
461 // Copies ref_wrapper1 to ref_wrapper.
462 ref_wrapper = ref_wrapper1;
463 const string& r3 = ref_wrapper;
464 EXPECT_EQ(&s1, &r3);
465 }
466
467 // Tests using ByRef() on a const value.
468 TEST(ByRefTest, ConstValue) {
469 const int n = 0;
470 // int& ref = ByRef(n); // This shouldn't compile - we have a
471 // negative compilation test to catch it.
472 const int& const_ref = ByRef(n);
473 EXPECT_EQ(&n, &const_ref);
474 }
475
476 // Tests using ByRef() on a non-const value.
477 TEST(ByRefTest, NonConstValue) {
478 int n = 0;
479
480 // ByRef(n) can be used as either an int&,
481 int& ref = ByRef(n);
482 EXPECT_EQ(&n, &ref);
483
484 // or a const int&.
485 const int& const_ref = ByRef(n);
486 EXPECT_EQ(&n, &const_ref);
487 }
488
489 struct Base {
490 bool operator==(const Base&) { return true; }
491 };
492
493 struct Derived : public Base {
494 bool operator==(const Derived&) { return true; }
495 };
496
497 // Tests explicitly specifying the type when using ByRef().
498 TEST(ByRefTest, ExplicitType) {
499 int n = 0;
500 const int& r1 = ByRef<const int>(n);
501 EXPECT_EQ(&n, &r1);
502
503 // ByRef<char>(n); // This shouldn't compile - we have a negative
504 // compilation test to catch it.
505
506
507 Derived d;
508 Derived& r2 = ByRef<Derived>(d);
509 EXPECT_EQ(&d, &r2);
510
511 const Derived& r3 = ByRef<const Derived>(d);
512 EXPECT_EQ(&d, &r3);
513
514 Base& r4 = ByRef<Base>(d);
515 EXPECT_EQ(&d, &r4);
516
517 const Base& r5 = ByRef<const Base>(d);
518 EXPECT_EQ(&d, &r5);
519
520 // The following shouldn't compile - we have a negative compilation
521 // test for it.
522 //
523 // Base b;
524 // ByRef<Derived>(b);
525 }
526
527 // Tests InvokeArgument<N>(...).
528
529 // Tests using InvokeArgument with a nullary function.
530 TEST(InvokeArgumentTest, Function0) {
531 Action<int(int, int(*)())> a = InvokeArgument<1>(); // NOLINT
532 EXPECT_EQ(1, a.Perform(make_tuple(2, &Nullary)));
533 }
534
535 // Tests using InvokeArgument with a unary function.
536 TEST(InvokeArgumentTest, Functor1) {
537 Action<int(UnaryFunctor)> a = InvokeArgument<0>(true); // NOLINT
538 EXPECT_EQ(1, a.Perform(make_tuple(UnaryFunctor())));
539 }
540
541 // Tests using InvokeArgument with a 5-ary function.
542 TEST(InvokeArgumentTest, Function5) {
543 Action<int(int(*)(int, int, int, int, int))> a = // NOLINT
544 InvokeArgument<0>(10000, 2000, 300, 40, 5);
545 EXPECT_EQ(12345, a.Perform(make_tuple(&SumOf5)));
546 }
547
548 // Tests using InvokeArgument with a 5-ary functor.
549 TEST(InvokeArgumentTest, Functor5) {
550 Action<int(SumOf5Functor)> a = // NOLINT
551 InvokeArgument<0>(10000, 2000, 300, 40, 5);
552 EXPECT_EQ(12345, a.Perform(make_tuple(SumOf5Functor())));
553 }
554
555 // Tests using InvokeArgument with a 6-ary function.
556 TEST(InvokeArgumentTest, Function6) {
557 Action<int(int(*)(int, int, int, int, int, int))> a = // NOLINT
558 InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
559 EXPECT_EQ(123456, a.Perform(make_tuple(&SumOf6)));
560 }
561
562 // Tests using InvokeArgument with a 6-ary functor.
563 TEST(InvokeArgumentTest, Functor6) {
564 Action<int(SumOf6Functor)> a = // NOLINT
565 InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
566 EXPECT_EQ(123456, a.Perform(make_tuple(SumOf6Functor())));
567 }
568
569 // Tests using InvokeArgument with a 7-ary function.
570 TEST(InvokeArgumentTest, Function7) {
571 Action<string(string(*)(const char*, const char*, const char*,
572 const char*, const char*, const char*,
573 const char*))> a =
574 InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7");
575 EXPECT_EQ("1234567", a.Perform(make_tuple(&Concat7)));
576 }
577
578 // Tests using InvokeArgument with a 8-ary function.
579 TEST(InvokeArgumentTest, Function8) {
580 Action<string(string(*)(const char*, const char*, const char*,
581 const char*, const char*, const char*,
582 const char*, const char*))> a =
583 InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8");
584 EXPECT_EQ("12345678", a.Perform(make_tuple(&Concat8)));
585 }
586
587 // Tests using InvokeArgument with a 9-ary function.
588 TEST(InvokeArgumentTest, Function9) {
589 Action<string(string(*)(const char*, const char*, const char*,
590 const char*, const char*, const char*,
591 const char*, const char*, const char*))> a =
592 InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9");
593 EXPECT_EQ("123456789", a.Perform(make_tuple(&Concat9)));
594 }
595
596 // Tests using InvokeArgument with a 10-ary function.
597 TEST(InvokeArgumentTest, Function10) {
598 Action<string(string(*)(const char*, const char*, const char*,
599 const char*, const char*, const char*,
600 const char*, const char*, const char*,
601 const char*))> a =
602 InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
603 EXPECT_EQ("1234567890", a.Perform(make_tuple(&Concat10)));
604 }
605
606 // Tests using InvokeArgument with a function that takes a pointer argument.
607 TEST(InvokeArgumentTest, ByPointerFunction) {
608 Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT
609 InvokeArgument<0>(static_cast<const char*>("Hi"), 1);
610 EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
611 }
612
613 // Tests using InvokeArgument with a function that takes a const char*
614 // by passing it a C-string literal.
615 TEST(InvokeArgumentTest, FunctionWithCStringLiteral) {
616 Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT
617 InvokeArgument<0>("Hi", 1);
618 EXPECT_STREQ("i", a.Perform(make_tuple(&Binary)));
619 }
620
621 // Tests using InvokeArgument with a function that takes a const reference.
622 TEST(InvokeArgumentTest, ByConstReferenceFunction) {
623 Action<bool(bool(*function)(const string& s))> a = // NOLINT
624 InvokeArgument<0>(string("Hi"));
625 // When action 'a' is constructed, it makes a copy of the temporary
626 // string object passed to it, so it's OK to use 'a' later, when the
627 // temporary object has already died.
628 EXPECT_TRUE(a.Perform(make_tuple(&ByConstRef)));
629 }
630
631 // Tests using InvokeArgument with ByRef() and a function that takes a
632 // const reference.
633 TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) {
634 Action<bool(bool(*)(const double& x))> a = // NOLINT
635 InvokeArgument<0>(ByRef(g_double));
636 // The above line calls ByRef() on a const value.
637 EXPECT_TRUE(a.Perform(make_tuple(&ReferencesGlobalDouble)));
638
639 double x = 0;
640 a = InvokeArgument<0>(ByRef(x)); // This calls ByRef() on a non-const.
641 EXPECT_FALSE(a.Perform(make_tuple(&ReferencesGlobalDouble)));
642 }
643
644 // Tests using WithoutArgs with an action that takes no argument.
645 TEST(WithoutArgsTest, NoArg) {
646 Action<int(int n)> a = WithoutArgs(Invoke(Nullary)); // NOLINT
647 EXPECT_EQ(1, a.Perform(make_tuple(2)));
648 }
649
650 // Tests using WithArgs and WithArg with an action that takes 1 argument.
651 TEST(WithArgsTest, OneArg) {
652 Action<bool(double x, int n)> a = WithArgs<1>(Invoke(Unary)); // NOLINT
653 EXPECT_TRUE(a.Perform(make_tuple(1.5, -1)));
654 EXPECT_FALSE(a.Perform(make_tuple(1.5, 1)));
655
656 // Also tests the synonym WithArg.
657 Action<bool(double x, int n)> b = WithArg<1>(Invoke(Unary)); // NOLINT
658 EXPECT_TRUE(a.Perform(make_tuple(1.5, -1)));
659 EXPECT_FALSE(a.Perform(make_tuple(1.5, 1)));
660
661 }
662
663 // Tests using WithArgs with an action that takes 2 arguments.
664 TEST(WithArgsTest, TwoArgs) {
665 Action<const char*(const char* s, double x, int n)> a =
666 WithArgs<0, 2>(Invoke(Binary));
667 const char s[] = "Hello";
668 EXPECT_EQ(s + 2, a.Perform(make_tuple(s, 0.5, 2)));
669 }
670
671 // Tests using WithArgs with an action that takes 3 arguments.
672 TEST(WithArgsTest, ThreeArgs) {
673 Action<int(int, double, char, short)> a = // NOLINT
674 WithArgs<0, 2, 3>(Invoke(Ternary));
675 EXPECT_EQ(123, a.Perform(make_tuple(100, 6.5, 20, 3)));
676 }
677
678 // Tests using WithArgs with an action that takes 4 arguments.
679 TEST(WithArgsTest, FourArgs) {
680 Action<string(const char*, const char*, double, const char*, const char*)> a =
681 WithArgs<4, 3, 1, 0>(Invoke(Concat4));
682 EXPECT_EQ("4310", a.Perform(make_tuple("0", "1", 2.5, "3", "4")));
683 }
684
685 // Tests using WithArgs with an action that takes 5 arguments.
686 TEST(WithArgsTest, FiveArgs) {
687 Action<string(const char*, const char*, const char*,
688 const char*, const char*)> a =
689 WithArgs<4, 3, 2, 1, 0>(Invoke(Concat5));
690 EXPECT_EQ("43210", a.Perform(make_tuple("0", "1", "2", "3", "4")));
691 }
692
693 // Tests using WithArgs with an action that takes 6 arguments.
694 TEST(WithArgsTest, SixArgs) {
695 Action<string(const char*, const char*, const char*)> a =
696 WithArgs<0, 1, 2, 2, 1, 0>(Invoke(Concat6));
697 EXPECT_EQ("012210", a.Perform(make_tuple("0", "1", "2")));
698 }
699
700 // Tests using WithArgs with an action that takes 7 arguments.
701 TEST(WithArgsTest, SevenArgs) {
702 Action<string(const char*, const char*, const char*, const char*)> a =
703 WithArgs<0, 1, 2, 3, 2, 1, 0>(Invoke(Concat7));
704 EXPECT_EQ("0123210", a.Perform(make_tuple("0", "1", "2", "3")));
705 }
706
707 // Tests using WithArgs with an action that takes 8 arguments.
708 TEST(WithArgsTest, EightArgs) {
709 Action<string(const char*, const char*, const char*, const char*)> a =
710 WithArgs<0, 1, 2, 3, 0, 1, 2, 3>(Invoke(Concat8));
711 EXPECT_EQ("01230123", a.Perform(make_tuple("0", "1", "2", "3")));
712 }
713
714 // Tests using WithArgs with an action that takes 9 arguments.
715 TEST(WithArgsTest, NineArgs) {
716 Action<string(const char*, const char*, const char*, const char*)> a =
717 WithArgs<0, 1, 2, 3, 1, 2, 3, 2, 3>(Invoke(Concat9));
718 EXPECT_EQ("012312323", a.Perform(make_tuple("0", "1", "2", "3")));
719 }
720
721 // Tests using WithArgs with an action that takes 10 arguments.
722 TEST(WithArgsTest, TenArgs) {
723 Action<string(const char*, const char*, const char*, const char*)> a =
724 WithArgs<0, 1, 2, 3, 2, 1, 0, 1, 2, 3>(Invoke(Concat10));
725 EXPECT_EQ("0123210123", a.Perform(make_tuple("0", "1", "2", "3")));
726 }
727
728 // Tests using WithArgs with an action that is not Invoke().
729 class SubstractAction : public ActionInterface<int(int, int)> { // NOLINT
730 public:
731 virtual int Perform(const tuple<int, int>& args) {
732 return get<0>(args) - get<1>(args);
733 }
734 };
735
736 TEST(WithArgsTest, NonInvokeAction) {
737 Action<int(const string&, int, int)> a = // NOLINT
738 WithArgs<2, 1>(MakeAction(new SubstractAction));
739 EXPECT_EQ(8, a.Perform(make_tuple("hi", 2, 10)));
740 }
741
742 // Tests using WithArgs to pass all original arguments in the original order.
743 TEST(WithArgsTest, Identity) {
744 Action<int(int x, char y, short z)> a = // NOLINT
745 WithArgs<0, 1, 2>(Invoke(Ternary));
746 EXPECT_EQ(123, a.Perform(make_tuple(100, 20, 3)));
747 }
748
749 // Tests using WithArgs with repeated arguments.
750 TEST(WithArgsTest, RepeatedArguments) {
751 Action<int(bool, int m, int n)> a = // NOLINT
752 WithArgs<1, 1, 1, 1>(Invoke(SumOf4));
753 EXPECT_EQ(4, a.Perform(make_tuple(false, 1, 10)));
754 }
755
756 // Tests using WithArgs with reversed argument order.
757 TEST(WithArgsTest, ReversedArgumentOrder) {
758 Action<const char*(short n, const char* input)> a = // NOLINT
759 WithArgs<1, 0>(Invoke(Binary));
760 const char s[] = "Hello";
761 EXPECT_EQ(s + 2, a.Perform(make_tuple(2, s)));
762 }
763
764 // Tests using WithArgs with compatible, but not identical, argument types.
765 TEST(WithArgsTest, ArgsOfCompatibleTypes) {
766 Action<long(short x, int y, double z, char c)> a = // NOLINT
767 WithArgs<0, 1, 3>(Invoke(Ternary));
768 EXPECT_EQ(123, a.Perform(make_tuple(100, 20, 5.6, 3)));
769 }
770
771 // Tests using WithArgs with an action that returns void.
772 TEST(WithArgsTest, VoidAction) {
773 Action<void(double x, char c, int n)> a = WithArgs<2, 1>(Invoke(VoidBinary));
774 g_done = false;
775 a.Perform(make_tuple(1.5, 'a', 3));
776 EXPECT_TRUE(g_done);
777 }
778
779 // Tests DoAll(a1, a2).
780 TEST(DoAllTest, TwoActions) {
781 int n = 0;
782 Action<int(int*)> a = DoAll(SetArgumentPointee<0>(1), // NOLINT
783 Return(2));
784 EXPECT_EQ(2, a.Perform(make_tuple(&n)));
785 EXPECT_EQ(1, n);
786 }
787
788 // Tests DoAll(a1, a2, a3).
789 TEST(DoAllTest, ThreeActions) {
790 int m = 0, n = 0;
791 Action<int(int*, int*)> a = DoAll(SetArgumentPointee<0>(1), // NOLINT
792 SetArgumentPointee<1>(2),
793 Return(3));
794 EXPECT_EQ(3, a.Perform(make_tuple(&m, &n)));
795 EXPECT_EQ(1, m);
796 EXPECT_EQ(2, n);
797 }
798
799 // Tests DoAll(a1, a2, a3, a4).
800 TEST(DoAllTest, FourActions) {
801 int m = 0, n = 0;
802 char ch = '\0';
803 Action<int(int*, int*, char*)> a = // NOLINT
804 DoAll(SetArgumentPointee<0>(1),
805 SetArgumentPointee<1>(2),
806 SetArgumentPointee<2>('a'),
807 Return(3));
808 EXPECT_EQ(3, a.Perform(make_tuple(&m, &n, &ch)));
809 EXPECT_EQ(1, m);
810 EXPECT_EQ(2, n);
811 EXPECT_EQ('a', ch);
812 }
813
814 // Tests DoAll(a1, a2, a3, a4, a5).
815 TEST(DoAllTest, FiveActions) {
816 int m = 0, n = 0;
817 char a = '\0', b = '\0';
818 Action<int(int*, int*, char*, char*)> action = // NOLINT
819 DoAll(SetArgumentPointee<0>(1),
820 SetArgumentPointee<1>(2),
821 SetArgumentPointee<2>('a'),
822 SetArgumentPointee<3>('b'),
823 Return(3));
824 EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b)));
825 EXPECT_EQ(1, m);
826 EXPECT_EQ(2, n);
827 EXPECT_EQ('a', a);
828 EXPECT_EQ('b', b);
829 }
830
831 // Tests DoAll(a1, a2, ..., a6).
832 TEST(DoAllTest, SixActions) {
833 int m = 0, n = 0;
834 char a = '\0', b = '\0', c = '\0';
835 Action<int(int*, int*, char*, char*, char*)> action = // NOLINT
836 DoAll(SetArgumentPointee<0>(1),
837 SetArgumentPointee<1>(2),
838 SetArgumentPointee<2>('a'),
839 SetArgumentPointee<3>('b'),
840 SetArgumentPointee<4>('c'),
841 Return(3));
842 EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c)));
843 EXPECT_EQ(1, m);
844 EXPECT_EQ(2, n);
845 EXPECT_EQ('a', a);
846 EXPECT_EQ('b', b);
847 EXPECT_EQ('c', c);
848 }
849
850 // Tests DoAll(a1, a2, ..., a7).
851 TEST(DoAllTest, SevenActions) {
852 int m = 0, n = 0;
853 char a = '\0', b = '\0', c = '\0', d = '\0';
854 Action<int(int*, int*, char*, char*, char*, char*)> action = // NOLINT
855 DoAll(SetArgumentPointee<0>(1),
856 SetArgumentPointee<1>(2),
857 SetArgumentPointee<2>('a'),
858 SetArgumentPointee<3>('b'),
859 SetArgumentPointee<4>('c'),
860 SetArgumentPointee<5>('d'),
861 Return(3));
862 EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d)));
863 EXPECT_EQ(1, m);
864 EXPECT_EQ(2, n);
865 EXPECT_EQ('a', a);
866 EXPECT_EQ('b', b);
867 EXPECT_EQ('c', c);
868 EXPECT_EQ('d', d);
869 }
870
871 // Tests DoAll(a1, a2, ..., a8).
872 TEST(DoAllTest, EightActions) {
873 int m = 0, n = 0;
874 char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0';
875 Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
876 char*)> action =
877 DoAll(SetArgumentPointee<0>(1),
878 SetArgumentPointee<1>(2),
879 SetArgumentPointee<2>('a'),
880 SetArgumentPointee<3>('b'),
881 SetArgumentPointee<4>('c'),
882 SetArgumentPointee<5>('d'),
883 SetArgumentPointee<6>('e'),
884 Return(3));
885 EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e)));
886 EXPECT_EQ(1, m);
887 EXPECT_EQ(2, n);
888 EXPECT_EQ('a', a);
889 EXPECT_EQ('b', b);
890 EXPECT_EQ('c', c);
891 EXPECT_EQ('d', d);
892 EXPECT_EQ('e', e);
893 }
894
895 // Tests DoAll(a1, a2, ..., a9).
896 TEST(DoAllTest, NineActions) {
897 int m = 0, n = 0;
898 char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0';
899 Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
900 char*, char*)> action =
901 DoAll(SetArgumentPointee<0>(1),
902 SetArgumentPointee<1>(2),
903 SetArgumentPointee<2>('a'),
904 SetArgumentPointee<3>('b'),
905 SetArgumentPointee<4>('c'),
906 SetArgumentPointee<5>('d'),
907 SetArgumentPointee<6>('e'),
908 SetArgumentPointee<7>('f'),
909 Return(3));
910 EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f)));
911 EXPECT_EQ(1, m);
912 EXPECT_EQ(2, n);
913 EXPECT_EQ('a', a);
914 EXPECT_EQ('b', b);
915 EXPECT_EQ('c', c);
916 EXPECT_EQ('d', d);
917 EXPECT_EQ('e', e);
918 EXPECT_EQ('f', f);
919 }
920
921 // Tests DoAll(a1, a2, ..., a10).
922 TEST(DoAllTest, TenActions) {
923 int m = 0, n = 0;
924 char a = '\0', b = '\0', c = '\0', d = '\0';
925 char e = '\0', f = '\0', g = '\0';
926 Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
927 char*, char*, char*)> action =
928 DoAll(SetArgumentPointee<0>(1),
929 SetArgumentPointee<1>(2),
930 SetArgumentPointee<2>('a'),
931 SetArgumentPointee<3>('b'),
932 SetArgumentPointee<4>('c'),
933 SetArgumentPointee<5>('d'),
934 SetArgumentPointee<6>('e'),
935 SetArgumentPointee<7>('f'),
936 SetArgumentPointee<8>('g'),
937 Return(3));
938 EXPECT_EQ(3, action.Perform(make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g)));
939 EXPECT_EQ(1, m);
940 EXPECT_EQ(2, n);
941 EXPECT_EQ('a', a);
942 EXPECT_EQ('b', b);
943 EXPECT_EQ('c', c);
944 EXPECT_EQ('d', d);
945 EXPECT_EQ('e', e);
946 EXPECT_EQ('f', f);
947 EXPECT_EQ('g', g);
948 }
949
950 // Tests the ACTION*() macro family.
951
952 // Tests that ACTION() can define an action that doesn't reference the
953 // mock function arguments.
954 ACTION(Return5) { return 5; }
955
956 TEST(ActionMacroTest, WorksWhenNotReferencingArguments) {
957 Action<double()> a1 = Return5();
958 EXPECT_DOUBLE_EQ(5, a1.Perform(make_tuple()));
959
960 Action<int(double, bool)> a2 = Return5();
961 EXPECT_EQ(5, a2.Perform(make_tuple(1, true)));
962 }
963
964 // Tests that ACTION() can define an action that returns void.
965 ACTION(IncrementArg1) { (*arg1)++; }
966
967 TEST(ActionMacroTest, WorksWhenReturningVoid) {
968 Action<void(int, int*)> a1 = IncrementArg1();
969 int n = 0;
970 a1.Perform(make_tuple(5, &n));
971 EXPECT_EQ(1, n);
972 }
973
974 // Tests that the body of ACTION() can reference the type of the
975 // argument.
976 ACTION(IncrementArg2) {
977 StaticAssertTypeEq<int*, arg2_type>();
978 arg2_type temp = arg2;
979 (*temp)++;
980 }
981
982 TEST(ActionMacroTest, CanReferenceArgumentType) {
983 Action<void(int, bool, int*)> a1 = IncrementArg2();
984 int n = 0;
985 a1.Perform(make_tuple(5, false, &n));
986 EXPECT_EQ(1, n);
987 }
988
989 // Tests that the body of ACTION() can reference the argument tuple
990 // via args_type and args.
991 ACTION(Sum2) {
992 StaticAssertTypeEq< ::std::tr1::tuple<int, char, int*>, args_type>();
993 args_type args_copy = args;
994 return get<0>(args_copy) + get<1>(args_copy);
995 }
996
997 TEST(ActionMacroTest, CanReferenceArgumentTuple) {
998 Action<int(int, char, int*)> a1 = Sum2();
999 int dummy = 0;
1000 EXPECT_EQ(11, a1.Perform(make_tuple(5, static_cast<char>(6), &dummy)));
1001 }
1002
1003 // Tests that the body of ACTION() can reference the mock function
1004 // type.
1005 int Dummy(bool flag) { return flag? 1 : 0; }
1006
1007 ACTION(InvokeDummy) {
1008 StaticAssertTypeEq<int(bool), function_type>();
1009 function_type* fp = &Dummy;
1010 return (*fp)(true);
1011 }
1012
1013 TEST(ActionMacroTest, CanReferenceMockFunctionType) {
1014 Action<int(bool)> a1 = InvokeDummy();
1015 EXPECT_EQ(1, a1.Perform(make_tuple(true)));
1016 EXPECT_EQ(1, a1.Perform(make_tuple(false)));
1017 }
1018
1019 // Tests that the body of ACTION() can reference the mock function's
1020 // return type.
1021 ACTION(InvokeDummy2) {
1022 StaticAssertTypeEq<int, return_type>();
1023 return_type result = Dummy(true);
1024 return result;
1025 }
1026
1027 TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) {
1028 Action<int(bool)> a1 = InvokeDummy2();
1029 EXPECT_EQ(1, a1.Perform(make_tuple(true)));
1030 EXPECT_EQ(1, a1.Perform(make_tuple(false)));
1031 }
1032
1033 // Tests that ACTION() works for arguments passed by const reference.
1034 ACTION(ReturnAddrOfConstBoolReferenceArg) {
1035 StaticAssertTypeEq<const bool&, arg1_type>();
1036 return &arg1;
1037 }
1038
1039 TEST(ActionMacroTest, WorksForConstReferenceArg) {
1040 Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg();
1041 const bool b = false;
1042 EXPECT_EQ(&b, a.Perform(tuple<int, const bool&>(0, b)));
1043 }
1044
1045 // Tests that ACTION() works for arguments passed by non-const reference.
1046 ACTION(ReturnAddrOfIntReferenceArg) {
1047 StaticAssertTypeEq<int&, arg0_type>();
1048 return &arg0;
1049 }
1050
1051 TEST(ActionMacroTest, WorksForNonConstReferenceArg) {
1052 Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg();
1053 int n = 0;
1054 EXPECT_EQ(&n, a.Perform(tuple<int&, bool, int>(n, true, 1)));
1055 }
1056
1057 // Tests that ACTION() can be used in a namespace.
1058 namespace action_test {
1059 ACTION(Sum) { return arg0 + arg1; }
1060 } // namespace action_test
1061
1062 TEST(ActionMacroTest, WorksInNamespace) {
1063 Action<int(int, int)> a1 = action_test::Sum();
1064 EXPECT_EQ(3, a1.Perform(make_tuple(1, 2)));
1065 }
1066
1067 // Tests that the same ACTION definition works for mock functions with
1068 // different argument numbers.
1069 ACTION(PlusTwo) { return arg0 + 2; }
1070
1071 TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) {
1072 Action<int(int)> a1 = PlusTwo();
1073 EXPECT_EQ(4, a1.Perform(make_tuple(2)));
1074
1075 Action<double(float, void*)> a2 = PlusTwo();
1076 int dummy;
1077 EXPECT_DOUBLE_EQ(6, a2.Perform(make_tuple(4.0f, &dummy)));
1078 }
1079
1080 // Tests that ACTION_P can define a parameterized action.
1081 ACTION_P(Plus, n) { return arg0 + n; }
1082
1083 TEST(ActionPMacroTest, DefinesParameterizedAction) {
1084 Action<int(int m, bool t)> a1 = Plus(9);
1085 EXPECT_EQ(10, a1.Perform(make_tuple(1, true)));
1086 }
1087
1088 // Tests that the body of ACTION_P can reference the argument types
1089 // and the parameter type.
1090 ACTION_P(TypedPlus, n) {
1091 arg0_type t1 = arg0;
1092 n_type t2 = n;
1093 return t1 + t2;
1094 }
1095
1096 TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) {
1097 Action<int(char m, bool t)> a1 = TypedPlus(9);
1098 EXPECT_EQ(10, a1.Perform(make_tuple(static_cast<char>(1), true)));
1099 }
1100
1101 // Tests that a parameterized action can be used in any mock function
1102 // whose type is compatible.
1103 TEST(ActionPMacroTest, WorksInCompatibleMockFunction) {
1104 Action<std::string(const std::string& s)> a1 = Plus("tail");
1105 const std::string re = "re";
1106 EXPECT_EQ("retail", a1.Perform(make_tuple(re)));
1107 }
1108
1109 // Tests that we can use ACTION*() to define actions overloaded on the
1110 // number of parameters.
1111
1112 ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; }
1113
1114 ACTION_P(OverloadedAction, default_value) {
1115 return arg0 ? arg1 : default_value;
1116 }
1117
1118 ACTION_P2(OverloadedAction, true_value, false_value) {
1119 return arg0 ? true_value : false_value;
1120 }
1121
1122 TEST(ActionMacroTest, CanDefineOverloadedActions) {
1123 typedef Action<const char*(bool, const char*)> MyAction;
1124
1125 const MyAction a1 = OverloadedAction();
1126 EXPECT_STREQ("hello", a1.Perform(make_tuple(false, "world")));
1127 EXPECT_STREQ("world", a1.Perform(make_tuple(true, "world")));
1128
1129 const MyAction a2 = OverloadedAction("hi");
1130 EXPECT_STREQ("hi", a2.Perform(make_tuple(false, "world")));
1131 EXPECT_STREQ("world", a2.Perform(make_tuple(true, "world")));
1132
1133 const MyAction a3 = OverloadedAction("hi", "you");
1134 EXPECT_STREQ("hi", a3.Perform(make_tuple(true, "world")));
1135 EXPECT_STREQ("you", a3.Perform(make_tuple(false, "world")));
1136 }
1137
1138 // Tests ACTION_Pn where n >= 3.
1139
1140 ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; }
1141
1142 TEST(ActionPnMacroTest, WorksFor3Parameters) {
1143 Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4);
1144 EXPECT_DOUBLE_EQ(3123.4, a1.Perform(make_tuple(3000, true)));
1145
1146 Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">");
1147 const std::string re = "re";
1148 EXPECT_EQ("retail->", a2.Perform(make_tuple(re)));
1149 }
1150
1151 ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }
1152
1153 TEST(ActionPnMacroTest, WorksFor4Parameters) {
1154 Action<int(int)> a1 = Plus(1, 2, 3, 4);
1155 EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(make_tuple(10)));
1156 }
1157
1158 ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }
1159
1160 TEST(ActionPnMacroTest, WorksFor5Parameters) {
1161 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5);
1162 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(make_tuple(10)));
1163 }
1164
1165 ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
1166 return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
1167 }
1168
1169 TEST(ActionPnMacroTest, WorksFor6Parameters) {
1170 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6);
1171 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(make_tuple(10)));
1172 }
1173
1174 ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
1175 return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
1176 }
1177
1178 TEST(ActionPnMacroTest, WorksFor7Parameters) {
1179 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7);
1180 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(make_tuple(10)));
1181 }
1182
1183 ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
1184 return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
1185 }
1186
1187 TEST(ActionPnMacroTest, WorksFor8Parameters) {
1188 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8);
1189 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8, a1.Perform(make_tuple(10)));
1190 }
1191
1192 ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) {
1193 return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8;
1194 }
1195
1196 TEST(ActionPnMacroTest, WorksFor9Parameters) {
1197 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9);
1198 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9, a1.Perform(make_tuple(10)));
1199 }
1200
1201 ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) {
1202 arg0_type t0 = arg0;
1203 last_param_type t9 = last_param;
1204 return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9;
1205 }
1206
1207 TEST(ActionPnMacroTest, WorksFor10Parameters) {
1208 Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
1209 EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10,
1210 a1.Perform(make_tuple(10)));
1211 }
1212
1213 // Tests that the action body can promote the parameter types.
1214
1215 ACTION_P2(PadArgument, prefix, suffix) {
1216 // The following lines promote the two parameters to desired types.
1217 std::string prefix_str(prefix);
1218 char suffix_char(suffix);
1219 return prefix_str + arg0 + suffix_char;
1220 }
1221
1222 TEST(ActionPnMacroTest, SimpleTypePromotion) {
1223 Action<std::string(const char*)> no_promo =
1224 PadArgument(std::string("foo"), 'r');
1225 Action<std::string(const char*)> promo =
1226 PadArgument("foo", static_cast<int>('r'));
1227 EXPECT_EQ("foobar", no_promo.Perform(make_tuple("ba")));
1228 EXPECT_EQ("foobar", promo.Perform(make_tuple("ba")));
1229 }
1230
1231 // Tests that we can partially restrict parameter types using a
1232 // straight-forward pattern.
1233
1234 // Defines a generic action that doesn't restrict the types of its
1235 // parameters.
1236 ACTION_P3(ConcatImpl, a, b, c) {
1237 std::stringstream ss;
1238 ss << a << b << c;
1239 return ss.str();
1240 }
1241
1242 // Next, we try to restrict that either the first parameter is a
1243 // string, or the second parameter is an int.
1244
1245 // Defines a partially specialized wrapper that restricts the first
1246 // parameter to std::string.
1247 template <typename T1, typename T2>
1248 // ConcatImplActionP3 is the class template ACTION_P3 uses to
1249 // implement ConcatImpl. We shouldn't change the name as this
1250 // pattern requires the user to use it directly.
1251 ConcatImplActionP3<std::string, T1, T2>
1252 Concat(const std::string& a, T1 b, T2 c) {
1253 if (true) {
1254 // This branch verifies that ConcatImpl() can be invoked without
1255 // explicit template arguments.
1256 return ConcatImpl(a, b, c);
1257 } else {
1258 // This branch verifies that ConcatImpl() can also be invoked with
1259 // explicit template arguments. It doesn't really need to be
1260 // executed as this is a compile-time verification.
1261 return ConcatImpl<std::string, T1, T2>(a, b, c);
1262 }
1263 }
1264
1265 // Defines another partially specialized wrapper that restricts the
1266 // second parameter to int.
1267 template <typename T1, typename T2>
1268 ConcatImplActionP3<T1, int, T2>
1269 Concat(T1 a, int b, T2 c) {
1270 return ConcatImpl(a, b, c);
1271 }
1272
1273 TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) {
1274 Action<const std::string()> a1 = Concat("Hello", "1", 2);
1275 EXPECT_EQ("Hello12", a1.Perform(make_tuple()));
1276
1277 a1 = Concat(1, 2, 3);
1278 EXPECT_EQ("123", a1.Perform(make_tuple()));
1279 }
1280
1281 // Verifies the type of an ACTION*.
1282
1283 ACTION(DoFoo) {}
1284 ACTION_P(DoFoo, p) {}
1285 ACTION_P2(DoFoo, p0, p1) {}
1286
1287 TEST(ActionPnMacroTest, TypesAreCorrect) {
1288 // DoFoo() must be assignable to a DoFooAction variable.
1289 DoFooAction a0 = DoFoo();
1290
1291 // DoFoo(1) must be assignable to a DoFooActionP variable.
1292 DoFooActionP<int> a1 = DoFoo(1);
1293
1294 // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk
1295 // variable, and so on.
1296 DoFooActionP2<int, char> a2 = DoFoo(1, '2');
1297 PlusActionP3<int, int, char> a3 = Plus(1, 2, '3');
1298 PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4');
1299 PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5');
1300 PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6');
1301 PlusActionP7<int, int, int, int, int, int, char> a7 =
1302 Plus(1, 2, 3, 4, 5, 6, '7');
1303 PlusActionP8<int, int, int, int, int, int, int, char> a8 =
1304 Plus(1, 2, 3, 4, 5, 6, 7, '8');
1305 PlusActionP9<int, int, int, int, int, int, int, int, char> a9 =
1306 Plus(1, 2, 3, 4, 5, 6, 7, 8, '9');
1307 PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 =
1308 Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
1309 }
1310
1311 // Tests that an ACTION_P*() action can be explicitly instantiated
1312 // with reference-typed parameters.
1313
1314 ACTION_P(Plus1, x) { return x; }
1315 ACTION_P2(Plus2, x, y) { return x + y; }
1316 ACTION_P3(Plus3, x, y, z) { return x + y + z; }
1317 ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
1318 return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9;
1319 }
1320
1321 TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) {
1322 int x = 1, y = 2, z = 3;
1323 const tuple<> empty = make_tuple();
1324
1325 Action<int()> a = Plus1<int&>(x);
1326 EXPECT_EQ(1, a.Perform(empty));
1327
1328 a = Plus2<const int&, int&>(x, y);
1329 EXPECT_EQ(3, a.Perform(empty));
1330
1331 a = Plus3<int&, const int&, int&>(x, y, z);
1332 EXPECT_EQ(6, a.Perform(empty));
1333
1334 int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
1335 a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&,
1336 int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7],
1337 n[8], n[9]);
1338 EXPECT_EQ(55, a.Perform(empty));
1339 }
1340
1341 TEST(SaveArgActionTest, WorksForSameType) {
1342 int result = 0;
1343 const Action<void(int n)> a1 = SaveArg<0>(&result);
1344 a1.Perform(make_tuple(5));
1345 EXPECT_EQ(5, result);
1346 }
1347
1348 TEST(SaveArgActionTest, WorksForCompatibleType) {
1349 int result = 0;
1350 const Action<void(bool, char)> a1 = SaveArg<1>(&result);
1351 a1.Perform(make_tuple(true, 'a'));
1352 EXPECT_EQ('a', result);
1353 }
1354
1355 TEST(SetArgRefereeActionTest, WorksForSameType) {
1356 int value = 0;
1357 const Action<void(int&)> a1 = SetArgReferee<0>(1);
1358 a1.Perform(tuple<int&>(value));
1359 EXPECT_EQ(1, value);
1360 }
1361
1362 TEST(SetArgRefereeActionTest, WorksForCompatibleType) {
1363 int value = 0;
1364 const Action<void(int, int&)> a1 = SetArgReferee<1>('a');
1365 a1.Perform(tuple<int, int&>(0, value));
1366 EXPECT_EQ('a', value);
1367 }
1368
1369 TEST(SetArgRefereeActionTest, WorksWithExtraArguments) {
1370 int value = 0;
1371 const Action<void(bool, int, int&, const char*)> a1 = SetArgReferee<2>('a');
1372 a1.Perform(tuple<bool, int, int&, const char*>(true, 0, value, "hi"));
1373 EXPECT_EQ('a', value);
1374 }
1375
1376 class NullaryConstructorClass {
1377 public:
1378 NullaryConstructorClass() : value_(123) {}
1379 int value_;
1380 };
1381
1382 // Tests using ReturnNew() with a nullary constructor.
1383 TEST(ReturnNewTest, NoArgs) {
1384 Action<NullaryConstructorClass*()> a = ReturnNew<NullaryConstructorClass>();
1385 NullaryConstructorClass* c = a.Perform(make_tuple());
1386 EXPECT_EQ(123, c->value_);
1387 delete c;
1388 }
1389
1390 class UnaryConstructorClass {
1391 public:
1392 explicit UnaryConstructorClass(int value) : value_(value) {}
1393 int value_;
1394 };
1395
1396 // Tests using ReturnNew() with a unary constructor.
1397 TEST(ReturnNewTest, Unary) {
1398 Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000);
1399 UnaryConstructorClass* c = a.Perform(make_tuple());
1400 EXPECT_EQ(4000, c->value_);
1401 delete c;
1402 }
1403
1404 TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) {
1405 Action<UnaryConstructorClass*(bool, int)> a =
1406 ReturnNew<UnaryConstructorClass>(4000);
1407 UnaryConstructorClass* c = a.Perform(make_tuple(false, 5));
1408 EXPECT_EQ(4000, c->value_);
1409 delete c;
1410 }
1411
1412 TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) {
1413 Action<const UnaryConstructorClass*()> a =
1414 ReturnNew<UnaryConstructorClass>(4000);
1415 const UnaryConstructorClass* c = a.Perform(make_tuple());
1416 EXPECT_EQ(4000, c->value_);
1417 delete c;
1418 }
1419
1420 class TenArgConstructorClass {
1421 public:
1422 TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5,
1423 int a6, int a7, int a8, int a9, int a10)
1424 : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {
1425 }
1426 int value_;
1427 };
1428
1429 // Tests using ReturnNew() with a 10-argument constructor.
1430 TEST(ReturnNewTest, ConstructorThatTakes10Arguments) {
1431 Action<TenArgConstructorClass*()> a =
1432 ReturnNew<TenArgConstructorClass>(1000000000, 200000000, 30000000,
1433 4000000, 500000, 60000,
1434 7000, 800, 90, 0);
1435 TenArgConstructorClass* c = a.Perform(make_tuple());
1436 EXPECT_EQ(1234567890, c->value_);
1437 delete c;
1438 }
1439
1440 // A class that can be used to verify that its destructor is called: it will set
1441 // the bool provided to the constructor to true when destroyed.
1442 class DeletionTester {
1443 public:
1444 explicit DeletionTester(bool* is_deleted)
1445 : is_deleted_(is_deleted) {
1446 // Make sure the bit is set to false.
1447 *is_deleted_ = false;
1448 }
1449
1450 ~DeletionTester() {
1451 *is_deleted_ = true;
1452 }
1453
1454 private:
1455 bool* is_deleted_;
1456 };
1457
1458 TEST(DeleteArgActionTest, OneArg) {
1459 bool is_deleted = false;
1460 DeletionTester* t = new DeletionTester(&is_deleted);
1461 const Action<void(DeletionTester*)> a1 = DeleteArg<0>(); // NOLINT
1462 EXPECT_FALSE(is_deleted);
1463 a1.Perform(make_tuple(t));
1464 EXPECT_TRUE(is_deleted);
1465 }
1466
1467 TEST(DeleteArgActionTest, TenArgs) {
1468 bool is_deleted = false;
1469 DeletionTester* t = new DeletionTester(&is_deleted);
1470 const Action<void(bool, int, int, const char*, bool,
1471 int, int, int, int, DeletionTester*)> a1 = DeleteArg<9>();
1472 EXPECT_FALSE(is_deleted);
1473 a1.Perform(make_tuple(true, 5, 6, "hi", false, 7, 8, 9, 10, t));
1474 EXPECT_TRUE(is_deleted);
1475 }
1476
1477 #if GTEST_HAS_EXCEPTIONS
1478
1479 TEST(ThrowActionTest, ThrowsGivenExceptionInVoidFunction) {
1480 const Action<void(int n)> a = Throw('a');
1481 EXPECT_THROW(a.Perform(make_tuple(0)), char);
1482 }
1483
1484 class MyException {};
1485
1486 TEST(ThrowActionTest, ThrowsGivenExceptionInNonVoidFunction) {
1487 const Action<double(char ch)> a = Throw(MyException());
1488 EXPECT_THROW(a.Perform(make_tuple('0')), MyException);
1489 }
1490
1491 TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) {
1492 const Action<double()> a = Throw(MyException());
1493 EXPECT_THROW(a.Perform(make_tuple()), MyException);
1494 }
1495
1496 #endif // GTEST_HAS_EXCEPTIONS
1497
1498 // Tests that ACTION_TEMPLATE works when there is no value parameter.
1499 ACTION_TEMPLATE(CreateNew,
1500 HAS_1_TEMPLATE_PARAMS(typename, T),
1501 AND_0_VALUE_PARAMS()) {
1502 return new T;
1503 }
1504
1505 TEST(ActionTemplateTest, WorksWithoutValueParam) {
1506 const Action<int*()> a = CreateNew<int>();
1507 int* p = a.Perform(make_tuple());
1508 delete p;
1509 }
1510
1511 // Tests that ACTION_TEMPLATE works when there are value parameters.
1512 ACTION_TEMPLATE(CreateNew,
1513 HAS_1_TEMPLATE_PARAMS(typename, T),
1514 AND_1_VALUE_PARAMS(a0)) {
1515 return new T(a0);
1516 }
1517
1518 TEST(ActionTemplateTest, WorksWithValueParams) {
1519 const Action<int*()> a = CreateNew<int>(42);
1520 int* p = a.Perform(make_tuple());
1521 EXPECT_EQ(42, *p);
1522 delete p;
1523 }
1524
1525 // Tests that ACTION_TEMPLATE works for integral template parameters.
1526 ACTION_TEMPLATE(MyDeleteArg,
1527 HAS_1_TEMPLATE_PARAMS(int, k),
1528 AND_0_VALUE_PARAMS()) {
1529 delete std::tr1::get<k>(args);
1530 }
1531
1532 // Resets a bool variable in the destructor.
1533 class BoolResetter {
1534 public:
1535 explicit BoolResetter(bool* value) : value_(value) {}
1536 ~BoolResetter() { *value_ = false; }
1537 private:
1538 bool* const value_;
1539 };
1540
1541 TEST(ActionTemplateTest, WorksForIntegralTemplateParams) {
1542 const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>();
1543 int n = 0;
1544 bool b = true;
1545 BoolResetter* resetter = new BoolResetter(&b);
1546 a.Perform(make_tuple(&n, resetter));
1547 EXPECT_FALSE(b); // Verifies that resetter is deleted.
1548 }
1549
1550 // Tests that ACTION_TEMPLATES works for template template parameters.
1551 ACTION_TEMPLATE(ReturnSmartPointer,
1552 HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class,
1553 Pointer),
1554 AND_1_VALUE_PARAMS(pointee)) {
1555 return Pointer<pointee_type>(new pointee_type(pointee));
1556 }
1557
1558 TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) {
1559 using ::testing::internal::linked_ptr;
1560 const Action<linked_ptr<int>()> a = ReturnSmartPointer<linked_ptr>(42);
1561 linked_ptr<int> p = a.Perform(make_tuple());
1562 EXPECT_EQ(42, *p);
1563 }
1564
1565 // Tests that ACTION_TEMPLATE works for 10 template parameters.
1566 template <typename T1, typename T2, typename T3, int k4, bool k5,
1567 unsigned int k6, typename T7, typename T8, typename T9>
1568 struct GiantTemplate {
1569 public:
1570 explicit GiantTemplate(int a_value) : value(a_value) {}
1571 int value;
1572 };
1573
1574 ACTION_TEMPLATE(ReturnGiant,
1575 HAS_10_TEMPLATE_PARAMS(
1576 typename, T1,
1577 typename, T2,
1578 typename, T3,
1579 int, k4,
1580 bool, k5,
1581 unsigned int, k6,
1582 class, T7,
1583 class, T8,
1584 class, T9,
1585 template <typename T> class, T10),
1586 AND_1_VALUE_PARAMS(value)) {
1587 return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value);
1588 }
1589
1590 TEST(ActionTemplateTest, WorksFor10TemplateParameters) {
1591 using ::testing::internal::linked_ptr;
1592 typedef GiantTemplate<linked_ptr<int>, bool, double, 5,
1593 true, 6, char, unsigned, int> Giant;
1594 const Action<Giant()> a = ReturnGiant<
1595 int, bool, double, 5, true, 6, char, unsigned, int, linked_ptr>(42);
1596 Giant giant = a.Perform(make_tuple());
1597 EXPECT_EQ(42, giant.value);
1598 }
1599
1600 // Tests that ACTION_TEMPLATE works for 10 value parameters.
1601 ACTION_TEMPLATE(ReturnSum,
1602 HAS_1_TEMPLATE_PARAMS(typename, Number),
1603 AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) {
1604 return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10;
1605 }
1606
1607 TEST(ActionTemplateTest, WorksFor10ValueParameters) {
1608 const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
1609 EXPECT_EQ(55, a.Perform(make_tuple()));
1610 }
1611
1612 // Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded
1613 // on the number of value parameters.
1614
1615 ACTION(ReturnSum) { return 0; }
1616
1617 ACTION_P(ReturnSum, x) { return x; }
1618
1619 ACTION_TEMPLATE(ReturnSum,
1620 HAS_1_TEMPLATE_PARAMS(typename, Number),
1621 AND_2_VALUE_PARAMS(v1, v2)) {
1622 return static_cast<Number>(v1) + v2;
1623 }
1624
1625 ACTION_TEMPLATE(ReturnSum,
1626 HAS_1_TEMPLATE_PARAMS(typename, Number),
1627 AND_3_VALUE_PARAMS(v1, v2, v3)) {
1628 return static_cast<Number>(v1) + v2 + v3;
1629 }
1630
1631 ACTION_TEMPLATE(ReturnSum,
1632 HAS_2_TEMPLATE_PARAMS(typename, Number, int, k),
1633 AND_4_VALUE_PARAMS(v1, v2, v3, v4)) {
1634 return static_cast<Number>(v1) + v2 + v3 + v4 + k;
1635 }
1636
1637 TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) {
1638 const Action<int()> a0 = ReturnSum();
1639 const Action<int()> a1 = ReturnSum(1);
1640 const Action<int()> a2 = ReturnSum<int>(1, 2);
1641 const Action<int()> a3 = ReturnSum<int>(1, 2, 3);
1642 const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5);
1643 EXPECT_EQ(0, a0.Perform(make_tuple()));
1644 EXPECT_EQ(1, a1.Perform(make_tuple()));
1645 EXPECT_EQ(3, a2.Perform(make_tuple()));
1646 EXPECT_EQ(6, a3.Perform(make_tuple()));
1647 EXPECT_EQ(12345, a4.Perform(make_tuple()));
1648 }
1649
1650 } // namespace gmock_generated_actions_test
1651 } // namespace testing
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