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// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Google Mock - a framework for writing C++ mock classes.
//
// This file tests the built-in actions generated by a script.
#include "gmock/gmock-generated-actions.h"
#include <functional>
#include <memory>
#include <sstream>
#include <string>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace testing {
namespace gmock_generated_actions_test {
using ::std::plus;
using ::std::string;
using testing::_;
using testing::Action;
using testing::ActionInterface;
using testing::ByRef;
using testing::DoAll;
using testing::Invoke;
using testing::Return;
using testing::ReturnNew;
using testing::SetArgPointee;
using testing::StaticAssertTypeEq;
using testing::Unused;
// For suppressing compiler warnings on conversion possibly losing precision.
inline short Short(short n) { return n; } // NOLINT
inline char Char(char ch) { return ch; }
// Sample functions and functors for testing various actions.
int Nullary() { return 1; }
bool g_done = false;
bool ByConstRef(const std::string& s) { return s == "Hi"; }
const double g_double = 0;
bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
struct UnaryFunctor {
int operator()(bool x) { return x ? 1 : -1; }
};
const char* Binary(const char* input, short n) { return input + n; } // NOLINT
int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
struct SumOf5Functor {
int operator()(int a, int b, int c, int d, int e) {
return a + b + c + d + e;
}
};
std::string Concat5(const char* s1, const char* s2, const char* s3,
const char* s4, const char* s5) {
return std::string(s1) + s2 + s3 + s4 + s5;
}
int SumOf6(int a, int b, int c, int d, int e, int f) {
return a + b + c + d + e + f;
}
struct SumOf6Functor {
int operator()(int a, int b, int c, int d, int e, int f) {
return a + b + c + d + e + f;
}
};
std::string Concat6(const char* s1, const char* s2, const char* s3,
const char* s4, const char* s5, const char* s6) {
return std::string(s1) + s2 + s3 + s4 + s5 + s6;
}
std::string Concat7(const char* s1, const char* s2, const char* s3,
const char* s4, const char* s5, const char* s6,
const char* s7) {
return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
}
std::string Concat8(const char* s1, const char* s2, const char* s3,
const char* s4, const char* s5, const char* s6,
const char* s7, const char* s8) {
return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
}
std::string Concat9(const char* s1, const char* s2, const char* s3,
const char* s4, const char* s5, const char* s6,
const char* s7, const char* s8, const char* s9) {
return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
}
std::string Concat10(const char* s1, const char* s2, const char* s3,
const char* s4, const char* s5, const char* s6,
const char* s7, const char* s8, const char* s9,
const char* s10) {
return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
}
// A helper that turns the type of a C-string literal from const
// char[N] to const char*.
inline const char* CharPtr(const char* s) { return s; }
// Tests InvokeArgument<N>(...).
// Tests using InvokeArgument with a nullary function.
TEST(InvokeArgumentTest, Function0) {
Action<int(int, int(*)())> a = InvokeArgument<1>(); // NOLINT
EXPECT_EQ(1, a.Perform(std::make_tuple(2, &Nullary)));
}
// Tests using InvokeArgument with a unary function.
TEST(InvokeArgumentTest, Functor1) {
Action<int(UnaryFunctor)> a = InvokeArgument<0>(true); // NOLINT
EXPECT_EQ(1, a.Perform(std::make_tuple(UnaryFunctor())));
}
// Tests using InvokeArgument with a 5-ary function.
TEST(InvokeArgumentTest, Function5) {
Action<int(int(*)(int, int, int, int, int))> a = // NOLINT
InvokeArgument<0>(10000, 2000, 300, 40, 5);
EXPECT_EQ(12345, a.Perform(std::make_tuple(&SumOf5)));
}
// Tests using InvokeArgument with a 5-ary functor.
TEST(InvokeArgumentTest, Functor5) {
Action<int(SumOf5Functor)> a = // NOLINT
InvokeArgument<0>(10000, 2000, 300, 40, 5);
EXPECT_EQ(12345, a.Perform(std::make_tuple(SumOf5Functor())));
}
// Tests using InvokeArgument with a 6-ary function.
TEST(InvokeArgumentTest, Function6) {
Action<int(int(*)(int, int, int, int, int, int))> a = // NOLINT
InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
EXPECT_EQ(123456, a.Perform(std::make_tuple(&SumOf6)));
}
// Tests using InvokeArgument with a 6-ary functor.
TEST(InvokeArgumentTest, Functor6) {
Action<int(SumOf6Functor)> a = // NOLINT
InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6);
EXPECT_EQ(123456, a.Perform(std::make_tuple(SumOf6Functor())));
}
// Tests using InvokeArgument with a 7-ary function.
TEST(InvokeArgumentTest, Function7) {
Action<std::string(std::string(*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7");
EXPECT_EQ("1234567", a.Perform(std::make_tuple(&Concat7)));
}
// Tests using InvokeArgument with a 8-ary function.
TEST(InvokeArgumentTest, Function8) {
Action<std::string(std::string(*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*, const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8");
EXPECT_EQ("12345678", a.Perform(std::make_tuple(&Concat8)));
}
// Tests using InvokeArgument with a 9-ary function.
TEST(InvokeArgumentTest, Function9) {
Action<std::string(std::string(*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*, const char*, const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9");
EXPECT_EQ("123456789", a.Perform(std::make_tuple(&Concat9)));
}
// Tests using InvokeArgument with a 10-ary function.
TEST(InvokeArgumentTest, Function10) {
Action<std::string(std::string(*)(
const char*, const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*, const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
EXPECT_EQ("1234567890", a.Perform(std::make_tuple(&Concat10)));
}
// Tests using InvokeArgument with a function that takes a pointer argument.
TEST(InvokeArgumentTest, ByPointerFunction) {
Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT
InvokeArgument<0>(static_cast<const char*>("Hi"), Short(1));
EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary)));
}
// Tests using InvokeArgument with a function that takes a const char*
// by passing it a C-string literal.
TEST(InvokeArgumentTest, FunctionWithCStringLiteral) {
Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT
InvokeArgument<0>("Hi", Short(1));
EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary)));
}
// Tests using InvokeArgument with a function that takes a const reference.
TEST(InvokeArgumentTest, ByConstReferenceFunction) {
Action<bool(bool (*function)(const std::string& s))> a = // NOLINT
InvokeArgument<0>(std::string("Hi"));
// When action 'a' is constructed, it makes a copy of the temporary
// string object passed to it, so it's OK to use 'a' later, when the
// temporary object has already died.
EXPECT_TRUE(a.Perform(std::make_tuple(&ByConstRef)));
}
// Tests using InvokeArgument with ByRef() and a function that takes a
// const reference.
TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) {
Action<bool(bool(*)(const double& x))> a = // NOLINT
InvokeArgument<0>(ByRef(g_double));
// The above line calls ByRef() on a const value.
EXPECT_TRUE(a.Perform(std::make_tuple(&ReferencesGlobalDouble)));
double x = 0;
a = InvokeArgument<0>(ByRef(x)); // This calls ByRef() on a non-const.
EXPECT_FALSE(a.Perform(std::make_tuple(&ReferencesGlobalDouble)));
}
// Tests DoAll(a1, a2).
TEST(DoAllTest, TwoActions) {
int n = 0;
Action<int(int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT
Return(2));
EXPECT_EQ(2, a.Perform(std::make_tuple(&n)));
EXPECT_EQ(1, n);
}
// Tests DoAll(a1, a2, a3).
TEST(DoAllTest, ThreeActions) {
int m = 0, n = 0;
Action<int(int*, int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT
SetArgPointee<1>(2),
Return(3));
EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
}
// Tests DoAll(a1, a2, a3, a4).
TEST(DoAllTest, FourActions) {
int m = 0, n = 0;
char ch = '\0';
Action<int(int*, int*, char*)> a = // NOLINT
DoAll(SetArgPointee<0>(1),
SetArgPointee<1>(2),
SetArgPointee<2>('a'),
Return(3));
EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n, &ch)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
EXPECT_EQ('a', ch);
}
// Tests DoAll(a1, a2, a3, a4, a5).
TEST(DoAllTest, FiveActions) {
int m = 0, n = 0;
char a = '\0', b = '\0';
Action<int(int*, int*, char*, char*)> action = // NOLINT
DoAll(SetArgPointee<0>(1),
SetArgPointee<1>(2),
SetArgPointee<2>('a'),
SetArgPointee<3>('b'),
Return(3));
EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
EXPECT_EQ('a', a);
EXPECT_EQ('b', b);
}
// Tests DoAll(a1, a2, ..., a6).
TEST(DoAllTest, SixActions) {
int m = 0, n = 0;
char a = '\0', b = '\0', c = '\0';
Action<int(int*, int*, char*, char*, char*)> action = // NOLINT
DoAll(SetArgPointee<0>(1),
SetArgPointee<1>(2),
SetArgPointee<2>('a'),
SetArgPointee<3>('b'),
SetArgPointee<4>('c'),
Return(3));
EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
EXPECT_EQ('a', a);
EXPECT_EQ('b', b);
EXPECT_EQ('c', c);
}
// Tests DoAll(a1, a2, ..., a7).
TEST(DoAllTest, SevenActions) {
int m = 0, n = 0;
char a = '\0', b = '\0', c = '\0', d = '\0';
Action<int(int*, int*, char*, char*, char*, char*)> action = // NOLINT
DoAll(SetArgPointee<0>(1),
SetArgPointee<1>(2),
SetArgPointee<2>('a'),
SetArgPointee<3>('b'),
SetArgPointee<4>('c'),
SetArgPointee<5>('d'),
Return(3));
EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
EXPECT_EQ('a', a);
EXPECT_EQ('b', b);
EXPECT_EQ('c', c);
EXPECT_EQ('d', d);
}
// Tests DoAll(a1, a2, ..., a8).
TEST(DoAllTest, EightActions) {
int m = 0, n = 0;
char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0';
Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
char*)> action =
DoAll(SetArgPointee<0>(1),
SetArgPointee<1>(2),
SetArgPointee<2>('a'),
SetArgPointee<3>('b'),
SetArgPointee<4>('c'),
SetArgPointee<5>('d'),
SetArgPointee<6>('e'),
Return(3));
EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
EXPECT_EQ('a', a);
EXPECT_EQ('b', b);
EXPECT_EQ('c', c);
EXPECT_EQ('d', d);
EXPECT_EQ('e', e);
}
// Tests DoAll(a1, a2, ..., a9).
TEST(DoAllTest, NineActions) {
int m = 0, n = 0;
char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0';
Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
char*, char*)> action =
DoAll(SetArgPointee<0>(1),
SetArgPointee<1>(2),
SetArgPointee<2>('a'),
SetArgPointee<3>('b'),
SetArgPointee<4>('c'),
SetArgPointee<5>('d'),
SetArgPointee<6>('e'),
SetArgPointee<7>('f'),
Return(3));
EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
EXPECT_EQ('a', a);
EXPECT_EQ('b', b);
EXPECT_EQ('c', c);
EXPECT_EQ('d', d);
EXPECT_EQ('e', e);
EXPECT_EQ('f', f);
}
// Tests DoAll(a1, a2, ..., a10).
TEST(DoAllTest, TenActions) {
int m = 0, n = 0;
char a = '\0', b = '\0', c = '\0', d = '\0';
char e = '\0', f = '\0', g = '\0';
Action<int(int*, int*, char*, char*, char*, char*, // NOLINT
char*, char*, char*)> action =
DoAll(SetArgPointee<0>(1),
SetArgPointee<1>(2),
SetArgPointee<2>('a'),
SetArgPointee<3>('b'),
SetArgPointee<4>('c'),
SetArgPointee<5>('d'),
SetArgPointee<6>('e'),
SetArgPointee<7>('f'),
SetArgPointee<8>('g'),
Return(3));
EXPECT_EQ(
3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g)));
EXPECT_EQ(1, m);
EXPECT_EQ(2, n);
EXPECT_EQ('a', a);
EXPECT_EQ('b', b);
EXPECT_EQ('c', c);
EXPECT_EQ('d', d);
EXPECT_EQ('e', e);
EXPECT_EQ('f', f);
EXPECT_EQ('g', g);
}
// The ACTION*() macros trigger warning C4100 (unreferenced formal
// parameter) in MSVC with -W4. Unfortunately they cannot be fixed in
// the macro definition, as the warnings are generated when the macro
// is expanded and macro expansion cannot contain #pragma. Therefore
// we suppress them here.
// Also suppress C4503 decorated name length exceeded, name was truncated
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable:4100)
# pragma warning(disable:4503)
#endif
// Tests the ACTION*() macro family.
// Tests that ACTION() can define an action that doesn't reference the
// mock function arguments.
ACTION(Return5) { return 5; }
TEST(ActionMacroTest, WorksWhenNotReferencingArguments) {
Action<double()> a1 = Return5();
EXPECT_DOUBLE_EQ(5, a1.Perform(std::make_tuple()));
Action<int(double, bool)> a2 = Return5();
EXPECT_EQ(5, a2.Perform(std::make_tuple(1, true)));
}
// Tests that ACTION() can define an action that returns void.
ACTION(IncrementArg1) { (*arg1)++; }
TEST(ActionMacroTest, WorksWhenReturningVoid) {
Action<void(int, int*)> a1 = IncrementArg1();
int n = 0;
a1.Perform(std::make_tuple(5, &n));
EXPECT_EQ(1, n);
}
// Tests that the body of ACTION() can reference the type of the
// argument.
ACTION(IncrementArg2) {
StaticAssertTypeEq<int*, arg2_type>();
arg2_type temp = arg2;
(*temp)++;
}
TEST(ActionMacroTest, CanReferenceArgumentType) {
Action<void(int, bool, int*)> a1 = IncrementArg2();
int n = 0;
a1.Perform(std::make_tuple(5, false, &n));
EXPECT_EQ(1, n);
}
// Tests that the body of ACTION() can reference the argument tuple
// via args_type and args.
ACTION(Sum2) {
StaticAssertTypeEq<std::tuple<int, char, int*>, args_type>();
args_type args_copy = args;
return std::get<0>(args_copy) + std::get<1>(args_copy);
}
TEST(ActionMacroTest, CanReferenceArgumentTuple) {
Action<int(int, char, int*)> a1 = Sum2();
int dummy = 0;
EXPECT_EQ(11, a1.Perform(std::make_tuple(5, Char(6), &dummy)));
}
// Tests that the body of ACTION() can reference the mock function
// type.
int Dummy(bool flag) { return flag? 1 : 0; }
ACTION(InvokeDummy) {
StaticAssertTypeEq<int(bool), function_type>();
function_type* fp = &Dummy;
return (*fp)(true);
}
TEST(ActionMacroTest, CanReferenceMockFunctionType) {
Action<int(bool)> a1 = InvokeDummy();
EXPECT_EQ(1, a1.Perform(std::make_tuple(true)));
EXPECT_EQ(1, a1.Perform(std::make_tuple(false)));
}
// Tests that the body of ACTION() can reference the mock function's
// return type.
ACTION(InvokeDummy2) {
StaticAssertTypeEq<int, return_type>();
return_type result = Dummy(true);
return result;
}
TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) {
Action<int(bool)> a1 = InvokeDummy2();
EXPECT_EQ(1, a1.Perform(std::make_tuple(true)));
EXPECT_EQ(1, a1.Perform(std::make_tuple(false)));
}
// Tests that ACTION() works for arguments passed by const reference.
ACTION(ReturnAddrOfConstBoolReferenceArg) {
StaticAssertTypeEq<const bool&, arg1_type>();
return &arg1;
}
TEST(ActionMacroTest, WorksForConstReferenceArg) {
Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg();
const bool b = false;
EXPECT_EQ(&b, a.Perform(std::tuple<int, const bool&>(0, b)));
}
// Tests that ACTION() works for arguments passed by non-const reference.
ACTION(ReturnAddrOfIntReferenceArg) {
StaticAssertTypeEq<int&, arg0_type>();
return &arg0;
}
TEST(ActionMacroTest, WorksForNonConstReferenceArg) {
Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg();
int n = 0;
EXPECT_EQ(&n, a.Perform(std::tuple<int&, bool, int>(n, true, 1)));
}
// Tests that ACTION() can be used in a namespace.
namespace action_test {
ACTION(Sum) { return arg0 + arg1; }
} // namespace action_test
TEST(ActionMacroTest, WorksInNamespace) {
Action<int(int, int)> a1 = action_test::Sum();
EXPECT_EQ(3, a1.Perform(std::make_tuple(1, 2)));
}
// Tests that the same ACTION definition works for mock functions with
// different argument numbers.
ACTION(PlusTwo) { return arg0 + 2; }
TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) {
Action<int(int)> a1 = PlusTwo();
EXPECT_EQ(4, a1.Perform(std::make_tuple(2)));
Action<double(float, void*)> a2 = PlusTwo();
int dummy;
EXPECT_DOUBLE_EQ(6, a2.Perform(std::make_tuple(4.0f, &dummy)));
}
// Tests that ACTION_P can define a parameterized action.
ACTION_P(Plus, n) { return arg0 + n; }
TEST(ActionPMacroTest, DefinesParameterizedAction) {
Action<int(int m, bool t)> a1 = Plus(9);
EXPECT_EQ(10, a1.Perform(std::make_tuple(1, true)));
}
// Tests that the body of ACTION_P can reference the argument types
// and the parameter type.
ACTION_P(TypedPlus, n) {
arg0_type t1 = arg0;
n_type t2 = n;
return t1 + t2;
}
TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) {
Action<int(char m, bool t)> a1 = TypedPlus(9);
EXPECT_EQ(10, a1.Perform(std::make_tuple(Char(1), true)));
}
// Tests that a parameterized action can be used in any mock function
// whose type is compatible.
TEST(ActionPMacroTest, WorksInCompatibleMockFunction) {
Action<std::string(const std::string& s)> a1 = Plus("tail");
const std::string re = "re";
std::tuple<const std::string> dummy = std::make_tuple(re);
EXPECT_EQ("retail", a1.Perform(dummy));
}
// Tests that we can use ACTION*() to define actions overloaded on the
// number of parameters.
ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; }
ACTION_P(OverloadedAction, default_value) {
return arg0 ? arg1 : default_value;
}
ACTION_P2(OverloadedAction, true_value, false_value) {
return arg0 ? true_value : false_value;
}
TEST(ActionMacroTest, CanDefineOverloadedActions) {
typedef Action<const char*(bool, const char*)> MyAction;
const MyAction a1 = OverloadedAction();
EXPECT_STREQ("hello", a1.Perform(std::make_tuple(false, CharPtr("world"))));
EXPECT_STREQ("world", a1.Perform(std::make_tuple(true, CharPtr("world"))));
const MyAction a2 = OverloadedAction("hi");
EXPECT_STREQ("hi", a2.Perform(std::make_tuple(false, CharPtr("world"))));
EXPECT_STREQ("world", a2.Perform(std::make_tuple(true, CharPtr("world"))));
const MyAction a3 = OverloadedAction("hi", "you");
EXPECT_STREQ("hi", a3.Perform(std::make_tuple(true, CharPtr("world"))));
EXPECT_STREQ("you", a3.Perform(std::make_tuple(false, CharPtr("world"))));
}
// Tests ACTION_Pn where n >= 3.
ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; }
TEST(ActionPnMacroTest, WorksFor3Parameters) {
Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4);
EXPECT_DOUBLE_EQ(3123.4, a1.Perform(std::make_tuple(3000, true)));
Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">");
const std::string re = "re";
std::tuple<const std::string> dummy = std::make_tuple(re);
EXPECT_EQ("retail->", a2.Perform(dummy));
}
ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; }
TEST(ActionPnMacroTest, WorksFor4Parameters) {
Action<int(int)> a1 = Plus(1, 2, 3, 4);
EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(std::make_tuple(10)));
}
ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; }
TEST(ActionPnMacroTest, WorksFor5Parameters) {
Action<int(int)> a1 = Plus(1, 2, 3, 4, 5);
EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(std::make_tuple(10)));
}
ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) {
return arg0 + p0 + p1 + p2 + p3 + p4 + p5;
}
TEST(ActionPnMacroTest, WorksFor6Parameters) {
Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6);
EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(std::make_tuple(10)));
}
ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) {
return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6;
}
TEST(ActionPnMacroTest, WorksFor7Parameters) {
Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7);
EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(std::make_tuple(10)));
}
ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) {
return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7;
}
TEST(ActionPnMacroTest, WorksFor8Parameters) {
Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8);
EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8,
a1.Perform(std::make_tuple(10)));
}
ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) {
return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8;
}
TEST(ActionPnMacroTest, WorksFor9Parameters) {
Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9);
EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9,
a1.Perform(std::make_tuple(10)));
}
ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) {
arg0_type t0 = arg0;
last_param_type t9 = last_param;
return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9;
}
TEST(ActionPnMacroTest, WorksFor10Parameters) {
Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10,
a1.Perform(std::make_tuple(10)));
}
// Tests that the action body can promote the parameter types.
ACTION_P2(PadArgument, prefix, suffix) {
// The following lines promote the two parameters to desired types.
std::string prefix_str(prefix);
char suffix_char = static_cast<char>(suffix);
return prefix_str + arg0 + suffix_char;
}
TEST(ActionPnMacroTest, SimpleTypePromotion) {
Action<std::string(const char*)> no_promo =
PadArgument(std::string("foo"), 'r');
Action<std::string(const char*)> promo =
PadArgument("foo", static_cast<int>('r'));
EXPECT_EQ("foobar", no_promo.Perform(std::make_tuple(CharPtr("ba"))));
EXPECT_EQ("foobar", promo.Perform(std::make_tuple(CharPtr("ba"))));
}
// Tests that we can partially restrict parameter types using a
// straight-forward pattern.
// Defines a generic action that doesn't restrict the types of its
// parameters.
ACTION_P3(ConcatImpl, a, b, c) {
std::stringstream ss;
ss << a << b << c;
return ss.str();
}
// Next, we try to restrict that either the first parameter is a
// string, or the second parameter is an int.
// Defines a partially specialized wrapper that restricts the first
// parameter to std::string.
template <typename T1, typename T2>
// ConcatImplActionP3 is the class template ACTION_P3 uses to
// implement ConcatImpl. We shouldn't change the name as this
// pattern requires the user to use it directly.
ConcatImplActionP3<std::string, T1, T2>
Concat(const std::string& a, T1 b, T2 c) {
GTEST_INTENTIONAL_CONST_COND_PUSH_()
if (true) {
GTEST_INTENTIONAL_CONST_COND_POP_()
// This branch verifies that ConcatImpl() can be invoked without
// explicit template arguments.
return ConcatImpl(a, b, c);
} else {
// This branch verifies that ConcatImpl() can also be invoked with
// explicit template arguments. It doesn't really need to be
// executed as this is a compile-time verification.
return ConcatImpl<std::string, T1, T2>(a, b, c);
}
}
// Defines another partially specialized wrapper that restricts the
// second parameter to int.
template <typename T1, typename T2>
ConcatImplActionP3<T1, int, T2>
Concat(T1 a, int b, T2 c) {
return ConcatImpl(a, b, c);
}
TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) {
Action<const std::string()> a1 = Concat("Hello", "1", 2);
EXPECT_EQ("Hello12", a1.Perform(std::make_tuple()));
a1 = Concat(1, 2, 3);
EXPECT_EQ("123", a1.Perform(std::make_tuple()));
}
// Verifies the type of an ACTION*.
ACTION(DoFoo) {}
ACTION_P(DoFoo, p) {}
ACTION_P2(DoFoo, p0, p1) {}
TEST(ActionPnMacroTest, TypesAreCorrect) {
// DoFoo() must be assignable to a DoFooAction variable.
DoFooAction a0 = DoFoo();
// DoFoo(1) must be assignable to a DoFooActionP variable.
DoFooActionP<int> a1 = DoFoo(1);
// DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk
// variable, and so on.
DoFooActionP2<int, char> a2 = DoFoo(1, '2');
PlusActionP3<int, int, char> a3 = Plus(1, 2, '3');
PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4');
PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5');
PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6');
PlusActionP7<int, int, int, int, int, int, char> a7 =
Plus(1, 2, 3, 4, 5, 6, '7');
PlusActionP8<int, int, int, int, int, int, int, char> a8 =
Plus(1, 2, 3, 4, 5, 6, 7, '8');
PlusActionP9<int, int, int, int, int, int, int, int, char> a9 =
Plus(1, 2, 3, 4, 5, 6, 7, 8, '9');
PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 =
Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
// Avoid "unused variable" warnings.
(void)a0;
(void)a1;
(void)a2;
(void)a3;
(void)a4;
(void)a5;
(void)a6;
(void)a7;
(void)a8;
(void)a9;
(void)a10;
}
// Tests that an ACTION_P*() action can be explicitly instantiated
// with reference-typed parameters.
ACTION_P(Plus1, x) { return x; }
ACTION_P2(Plus2, x, y) { return x + y; }
ACTION_P3(Plus3, x, y, z) { return x + y + z; }
ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9;
}
TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) {
int x = 1, y = 2, z = 3;
const std::tuple<> empty = std::make_tuple();
Action<int()> a = Plus1<int&>(x);
EXPECT_EQ(1, a.Perform(empty));
a = Plus2<const int&, int&>(x, y);
EXPECT_EQ(3, a.Perform(empty));
a = Plus3<int&, const int&, int&>(x, y, z);
EXPECT_EQ(6, a.Perform(empty));
int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&,
int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7],
n[8], n[9]);
EXPECT_EQ(55, a.Perform(empty));
}
class NullaryConstructorClass {
public:
NullaryConstructorClass() : value_(123) {}
int value_;
};
// Tests using ReturnNew() with a nullary constructor.
TEST(ReturnNewTest, NoArgs) {
Action<NullaryConstructorClass*()> a = ReturnNew<NullaryConstructorClass>();
NullaryConstructorClass* c = a.Perform(std::make_tuple());
EXPECT_EQ(123, c->value_);
delete c;
}
class UnaryConstructorClass {
public:
explicit UnaryConstructorClass(int value) : value_(value) {}
int value_;
};
// Tests using ReturnNew() with a unary constructor.
TEST(ReturnNewTest, Unary) {
Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000);
UnaryConstructorClass* c = a.Perform(std::make_tuple());
EXPECT_EQ(4000, c->value_);
delete c;
}
TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) {
Action<UnaryConstructorClass*(bool, int)> a =
ReturnNew<UnaryConstructorClass>(4000);
UnaryConstructorClass* c = a.Perform(std::make_tuple(false, 5));
EXPECT_EQ(4000, c->value_);
delete c;
}
TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) {
Action<const UnaryConstructorClass*()> a =
ReturnNew<UnaryConstructorClass>(4000);
const UnaryConstructorClass* c = a.Perform(std::make_tuple());
EXPECT_EQ(4000, c->value_);
delete c;
}
class TenArgConstructorClass {
public:
TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
: value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {
}
int value_;
};
// Tests using ReturnNew() with a 10-argument constructor.
TEST(ReturnNewTest, ConstructorThatTakes10Arguments) {
Action<TenArgConstructorClass*()> a =
ReturnNew<TenArgConstructorClass>(1000000000, 200000000, 30000000,
4000000, 500000, 60000,
7000, 800, 90, 0);
TenArgConstructorClass* c = a.Perform(std::make_tuple());
EXPECT_EQ(1234567890, c->value_);
delete c;
}
// Tests that ACTION_TEMPLATE works when there is no value parameter.
ACTION_TEMPLATE(CreateNew,
HAS_1_TEMPLATE_PARAMS(typename, T),
AND_0_VALUE_PARAMS()) {
return new T;
}
TEST(ActionTemplateTest, WorksWithoutValueParam) {
const Action<int*()> a = CreateNew<int>();
int* p = a.Perform(std::make_tuple());
delete p;
}
// Tests that ACTION_TEMPLATE works when there are value parameters.
ACTION_TEMPLATE(CreateNew,
HAS_1_TEMPLATE_PARAMS(typename, T),
AND_1_VALUE_PARAMS(a0)) {
return new T(a0);
}
TEST(ActionTemplateTest, WorksWithValueParams) {
const Action<int*()> a = CreateNew<int>(42);
int* p = a.Perform(std::make_tuple());
EXPECT_EQ(42, *p);
delete p;
}
// Tests that ACTION_TEMPLATE works for integral template parameters.
ACTION_TEMPLATE(MyDeleteArg,
HAS_1_TEMPLATE_PARAMS(int, k),
AND_0_VALUE_PARAMS()) {
delete std::get<k>(args);
}
// Resets a bool variable in the destructor.
class BoolResetter {
public:
explicit BoolResetter(bool* value) : value_(value) {}
~BoolResetter() { *value_ = false; }
private:
bool* value_;
};
TEST(ActionTemplateTest, WorksForIntegralTemplateParams) {
const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>();
int n = 0;
bool b = true;
BoolResetter* resetter = new BoolResetter(&b);
a.Perform(std::make_tuple(&n, resetter));
EXPECT_FALSE(b); // Verifies that resetter is deleted.
}
// Tests that ACTION_TEMPLATES works for template template parameters.
ACTION_TEMPLATE(ReturnSmartPointer,
HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class,
Pointer),
AND_1_VALUE_PARAMS(pointee)) {
return Pointer<pointee_type>(new pointee_type(pointee));
}
TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) {
const Action<std::shared_ptr<int>()> a =
ReturnSmartPointer<std::shared_ptr>(42);
std::shared_ptr<int> p = a.Perform(std::make_tuple());
EXPECT_EQ(42, *p);
}
// Tests that ACTION_TEMPLATE works for 10 template parameters.
template <typename T1, typename T2, typename T3, int k4, bool k5,
unsigned int k6, typename T7, typename T8, typename T9>
struct GiantTemplate {
public:
explicit GiantTemplate(int a_value) : value(a_value) {}
int value;
};
ACTION_TEMPLATE(ReturnGiant,
HAS_10_TEMPLATE_PARAMS(
typename, T1,
typename, T2,
typename, T3,
int, k4,
bool, k5,
unsigned int, k6,
class, T7,
class, T8,
class, T9,
template <typename T> class, T10),
AND_1_VALUE_PARAMS(value)) {
return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value);
}
TEST(ActionTemplateTest, WorksFor10TemplateParameters) {
using Giant = GiantTemplate<std::shared_ptr<int>, bool, double, 5, true, 6,
char, unsigned, int>;
const Action<Giant()> a = ReturnGiant<int, bool, double, 5, true, 6, char,
unsigned, int, std::shared_ptr>(42);
Giant giant = a.Perform(std::make_tuple());
EXPECT_EQ(42, giant.value);
}
// Tests that ACTION_TEMPLATE works for 10 value parameters.
ACTION_TEMPLATE(ReturnSum,
HAS_1_TEMPLATE_PARAMS(typename, Number),
AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) {
return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10;
}
TEST(ActionTemplateTest, WorksFor10ValueParameters) {
const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
EXPECT_EQ(55, a.Perform(std::make_tuple()));
}
// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded
// on the number of value parameters.
ACTION(ReturnSum) { return 0; }
ACTION_P(ReturnSum, x) { return x; }
ACTION_TEMPLATE(ReturnSum,
HAS_1_TEMPLATE_PARAMS(typename, Number),
AND_2_VALUE_PARAMS(v1, v2)) {
return static_cast<Number>(v1) + v2;
}
ACTION_TEMPLATE(ReturnSum,
HAS_1_TEMPLATE_PARAMS(typename, Number),
AND_3_VALUE_PARAMS(v1, v2, v3)) {
return static_cast<Number>(v1) + v2 + v3;
}
ACTION_TEMPLATE(ReturnSum,
HAS_2_TEMPLATE_PARAMS(typename, Number, int, k),
AND_4_VALUE_PARAMS(v1, v2, v3, v4)) {
return static_cast<Number>(v1) + v2 + v3 + v4 + k;
}
TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) {
const Action<int()> a0 = ReturnSum();
const Action<int()> a1 = ReturnSum(1);
const Action<int()> a2 = ReturnSum<int>(1, 2);
const Action<int()> a3 = ReturnSum<int>(1, 2, 3);
const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5);
EXPECT_EQ(0, a0.Perform(std::make_tuple()));
EXPECT_EQ(1, a1.Perform(std::make_tuple()));
EXPECT_EQ(3, a2.Perform(std::make_tuple()));
EXPECT_EQ(6, a3.Perform(std::make_tuple()));
EXPECT_EQ(12345, a4.Perform(std::make_tuple()));
}
} // namespace gmock_generated_actions_test
} // namespace testing
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