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libdpf/test/googletest/googlemock/test/gmock-more-actions_test.cc
Ryan Henry 3f10e05176 Update googletest to 1.18.0 and SIMDe to 0.8.2. 
Googletest 1.18 asks for CMake 3.13 or newer, so configuring the tests no longer warns that CMake compatibility below 3.10 is deprecated.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-24 14:30:19 -06:00

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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 in gmock-actions.h.
#include "gmock/gmock-more-actions.h"
#include <algorithm>
#include <functional>
#include <iterator>
#include <memory>
#include <sstream>
#include <string>
#include <tuple>
#include <vector>
#include "gmock/gmock.h"
#include "gtest/gtest-spi.h"
#include "gtest/gtest.h"
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4577)
namespace testing {
namespace gmock_more_actions_test {
using ::std::plus;
using ::std::string;
using testing::Action;
using testing::DeleteArg;
using testing::Invoke;
using testing::ReturnArg;
using testing::ReturnPointee;
using testing::SaveArg;
using testing::SaveArgByMove;
using testing::SaveArgPointee;
using testing::SetArgReferee;
using testing::Unused;
using testing::WithArg;
using testing::WithoutArgs;
// 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 Invoke() and etc.
int Nullary() { return 1; }
bool g_done = false;
bool Unary(int x) { return x < 0; }
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; }
};
struct UnaryMoveOnlyFunctor : UnaryFunctor {
UnaryMoveOnlyFunctor() = default;
UnaryMoveOnlyFunctor(const UnaryMoveOnlyFunctor&) = delete;
UnaryMoveOnlyFunctor(UnaryMoveOnlyFunctor&&) = default;
};
struct OneShotUnaryFunctor {
int operator()(bool x) && { return x ? 1 : -1; }
};
const char* Binary(const char* input, short n) { return input + n; } // NOLINT
int Ternary(int x, char y, short z) { return x + y + z; } // NOLINT
int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; }
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;
}
};
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 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;
}
class Foo {
public:
Foo() : value_(123) {}
int Nullary() const { return value_; }
short Unary(long x) { return static_cast<short>(value_ + x); } // NOLINT
std::string Binary(const std::string& str, char c) const { return str + c; }
int Ternary(int x, bool y, char z) { return value_ + x + y * z; }
int SumOf4(int a, int b, int c, int d) const {
return a + b + c + d + value_;
}
int SumOfLast2(Unused, Unused, int a, int b) const { return a + b; }
int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
int SumOf6(int a, int b, int c, int d, int e, int f) {
return a + b + c + d + e + f;
}
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;
}
private:
int value_;
};
// Tests using Invoke() with a nullary function.
TEST(InvokeTest, Nullary) {
Action<int()> a = &Nullary;
EXPECT_EQ(1, a.Perform(std::make_tuple()));
}
// Tests using Invoke() with a unary function.
TEST(InvokeTest, Unary) {
Action<bool(int)> a = &Unary;
EXPECT_FALSE(a.Perform(std::make_tuple(1)));
EXPECT_TRUE(a.Perform(std::make_tuple(-1)));
}
// Tests using Invoke() with a binary function.
TEST(InvokeTest, Binary) {
Action<const char*(const char*, short)> a = &Binary; // NOLINT
const char* p = "Hello";
EXPECT_EQ(p + 2, a.Perform(std::make_tuple(p, Short(2))));
}
// Tests using Invoke() with a ternary function.
TEST(InvokeTest, Ternary) {
Action<int(int, char, short)> a = &Ternary; // NOLINT
EXPECT_EQ(6, a.Perform(std::make_tuple(1, '\2', Short(3))));
}
// Tests using Invoke() with a 4-argument function.
TEST(InvokeTest, FunctionThatTakes4Arguments) {
Action<int(int, int, int, int)> a = &SumOf4;
EXPECT_EQ(1234, a.Perform(std::make_tuple(1000, 200, 30, 4)));
}
// Tests using Invoke() with a 5-argument function.
TEST(InvokeTest, FunctionThatTakes5Arguments) {
Action<int(int, int, int, int, int)> a = &SumOf5;
EXPECT_EQ(12345, a.Perform(std::make_tuple(10000, 2000, 300, 40, 5)));
}
// Tests using Invoke() with a 6-argument function.
TEST(InvokeTest, FunctionThatTakes6Arguments) {
Action<int(int, int, int, int, int, int)> a = &SumOf6;
EXPECT_EQ(123456,
a.Perform(std::make_tuple(100000, 20000, 3000, 400, 50, 6)));
}
// 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 using Invoke() with a 7-argument function.
TEST(InvokeTest, FunctionThatTakes7Arguments) {
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*)>
a = &Concat7;
EXPECT_EQ("1234567",
a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"))));
}
// Tests using Invoke() with a 8-argument function.
TEST(InvokeTest, FunctionThatTakes8Arguments) {
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*)>
a = &Concat8;
EXPECT_EQ("12345678",
a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"), CharPtr("8"))));
}
// Tests using Invoke() with a 9-argument function.
TEST(InvokeTest, FunctionThatTakes9Arguments) {
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*,
const char*)>
a = &Concat9;
EXPECT_EQ("123456789", a.Perform(std::make_tuple(
CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"), CharPtr("8"), CharPtr("9"))));
}
// Tests using Invoke() with a 10-argument function.
TEST(InvokeTest, FunctionThatTakes10Arguments) {
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*,
const char*, const char*)>
a = &Concat10;
EXPECT_EQ("1234567890",
a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"), CharPtr("8"), CharPtr("9"),
CharPtr("0"))));
}
// Tests using Invoke() with functions with parameters declared as Unused.
TEST(InvokeTest, FunctionWithUnusedParameters) {
Action<int(int, int, double, const std::string&)> a1 = &SumOfFirst2;
std::tuple<int, int, double, std::string> dummy =
std::make_tuple(10, 2, 5.6, std::string("hi"));
EXPECT_EQ(12, a1.Perform(dummy));
Action<int(int, int, bool, int*)> a2 = &SumOfFirst2;
EXPECT_EQ(
23, a2.Perform(std::make_tuple(20, 3, true, static_cast<int*>(nullptr))));
}
// Tests using Invoke() with methods with parameters declared as Unused.
TEST(InvokeTest, MethodWithUnusedParameters) {
Foo foo;
Action<int(std::string, bool, int, int)> a1 = Invoke(&foo, &Foo::SumOfLast2);
EXPECT_EQ(12, a1.Perform(std::make_tuple(CharPtr("hi"), true, 10, 2)));
Action<int(char, double, int, int)> a2 = Invoke(&foo, &Foo::SumOfLast2);
EXPECT_EQ(23, a2.Perform(std::make_tuple('a', 2.5, 20, 3)));
}
// Tests using Invoke() with a functor.
TEST(InvokeTest, Functor) {
Action<long(long, int)> a = plus<long>(); // NOLINT
EXPECT_EQ(3L, a.Perform(std::make_tuple(1, 2)));
}
// Tests using Invoke(f) as an action of a compatible type.
TEST(InvokeTest, FunctionWithCompatibleType) {
Action<long(int, short, char, bool)> a = &SumOf4; // NOLINT
EXPECT_EQ(4321, a.Perform(std::make_tuple(4000, Short(300), Char(20), true)));
}
// Tests using Invoke() with an object pointer and a method pointer.
// Tests using Invoke() with a nullary method.
TEST(InvokeMethodTest, Nullary) {
Foo foo;
Action<int()> a = Invoke(&foo, &Foo::Nullary); // NOLINT
EXPECT_EQ(123, a.Perform(std::make_tuple()));
}
// Tests using Invoke() with a unary method.
TEST(InvokeMethodTest, Unary) {
Foo foo;
Action<short(long)> a = Invoke(&foo, &Foo::Unary); // NOLINT
EXPECT_EQ(4123, a.Perform(std::make_tuple(4000)));
}
// Tests using Invoke() with a binary method.
TEST(InvokeMethodTest, Binary) {
Foo foo;
Action<std::string(const std::string&, char)> a = Invoke(&foo, &Foo::Binary);
std::string s("Hell");
std::tuple<std::string, char> dummy = std::make_tuple(s, 'o');
EXPECT_EQ("Hello", a.Perform(dummy));
}
// Tests using Invoke() with a ternary method.
TEST(InvokeMethodTest, Ternary) {
Foo foo;
Action<int(int, bool, char)> a = Invoke(&foo, &Foo::Ternary); // NOLINT
EXPECT_EQ(1124, a.Perform(std::make_tuple(1000, true, Char(1))));
}
// Tests using Invoke() with a 4-argument method.
TEST(InvokeMethodTest, MethodThatTakes4Arguments) {
Foo foo;
Action<int(int, int, int, int)> a = Invoke(&foo, &Foo::SumOf4); // NOLINT
EXPECT_EQ(1357, a.Perform(std::make_tuple(1000, 200, 30, 4)));
}
// Tests using Invoke() with a 5-argument method.
TEST(InvokeMethodTest, MethodThatTakes5Arguments) {
Foo foo;
Action<int(int, int, int, int, int)> a =
Invoke(&foo, &Foo::SumOf5); // NOLINT
EXPECT_EQ(12345, a.Perform(std::make_tuple(10000, 2000, 300, 40, 5)));
}
// Tests using Invoke() with a 6-argument method.
TEST(InvokeMethodTest, MethodThatTakes6Arguments) {
Foo foo;
Action<int(int, int, int, int, int, int)> a = // NOLINT
Invoke(&foo, &Foo::SumOf6);
EXPECT_EQ(123456,
a.Perform(std::make_tuple(100000, 20000, 3000, 400, 50, 6)));
}
// Tests using Invoke() with a 7-argument method.
TEST(InvokeMethodTest, MethodThatTakes7Arguments) {
Foo foo;
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*)>
a = Invoke(&foo, &Foo::Concat7);
EXPECT_EQ("1234567",
a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"))));
}
// Tests using Invoke() with a 8-argument method.
TEST(InvokeMethodTest, MethodThatTakes8Arguments) {
Foo foo;
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*)>
a = Invoke(&foo, &Foo::Concat8);
EXPECT_EQ("12345678",
a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"), CharPtr("8"))));
}
// Tests using Invoke() with a 9-argument method.
TEST(InvokeMethodTest, MethodThatTakes9Arguments) {
Foo foo;
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*,
const char*)>
a = Invoke(&foo, &Foo::Concat9);
EXPECT_EQ("123456789", a.Perform(std::make_tuple(
CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"), CharPtr("8"), CharPtr("9"))));
}
// Tests using Invoke() with a 10-argument method.
TEST(InvokeMethodTest, MethodThatTakes10Arguments) {
Foo foo;
Action<std::string(const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*,
const char*, const char*)>
a = Invoke(&foo, &Foo::Concat10);
EXPECT_EQ("1234567890",
a.Perform(std::make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
CharPtr("4"), CharPtr("5"), CharPtr("6"),
CharPtr("7"), CharPtr("8"), CharPtr("9"),
CharPtr("0"))));
}
// Tests using Invoke(f) as an action of a compatible type.
TEST(InvokeMethodTest, MethodWithCompatibleType) {
Foo foo;
Action<long(int, short, char, bool)> a = // NOLINT
Invoke(&foo, &Foo::SumOf4);
EXPECT_EQ(4444, a.Perform(std::make_tuple(4000, Short(300), Char(20), true)));
}
// Tests using WithoutArgs with an action that takes no argument.
TEST(WithoutArgsTest, NoArg) {
Action<int(int n)> a = WithoutArgs(&Nullary); // NOLINT
EXPECT_EQ(1, a.Perform(std::make_tuple(2)));
}
// Tests using WithArg with an action that takes 1 argument.
TEST(WithArgTest, OneArg) {
Action<bool(double x, int n)> b = WithArg<1>(&Unary); // NOLINT
EXPECT_TRUE(b.Perform(std::make_tuple(1.5, -1)));
EXPECT_FALSE(b.Perform(std::make_tuple(1.5, 1)));
}
TEST(ReturnArgActionTest, WorksForOneArgIntArg0) {
const Action<int(int)> a = ReturnArg<0>();
EXPECT_EQ(5, a.Perform(std::make_tuple(5)));
}
TEST(ReturnArgActionTest, WorksForMultiArgBoolArg0) {
const Action<bool(bool, bool, bool)> a = ReturnArg<0>();
EXPECT_TRUE(a.Perform(std::make_tuple(true, false, false)));
}
TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) {
const Action<std::string(int, int, std::string, int)> a = ReturnArg<2>();
EXPECT_EQ("seven", a.Perform(std::make_tuple(5, 6, std::string("seven"), 8)));
}
TEST(ReturnArgActionTest, WorksForNonConstRefArg0) {
const Action<std::string&(std::string&)> a = ReturnArg<0>();
std::string s = "12345";
EXPECT_EQ(&s, &a.Perform(std::forward_as_tuple(s)));
}
TEST(SaveArgActionTest, WorksForSameType) {
int result = 0;
const Action<void(int n)> a1 = SaveArg<0>(&result);
a1.Perform(std::make_tuple(5));
EXPECT_EQ(5, result);
}
TEST(SaveArgActionTest, WorksForCompatibleType) {
int result = 0;
const Action<void(bool, char)> a1 = SaveArg<1>(&result);
a1.Perform(std::make_tuple(true, 'a'));
EXPECT_EQ('a', result);
}
struct MoveOnly {
explicit MoveOnly(int v) : i(v) {}
MoveOnly(MoveOnly&& o) {
i = o.i;
o.i = -1;
}
MoveOnly& operator=(MoveOnly&& o) {
i = o.i;
o.i = -1;
return *this;
}
int i;
};
TEST(SaveArgByMoveActionTest, WorksForSameType) {
MoveOnly result{0};
const Action<void(MoveOnly v)> a1 = SaveArgByMove<0>(&result);
a1.Perform(std::make_tuple(MoveOnly{5}));
EXPECT_EQ(5, result.i);
}
TEST(SaveArgByMoveActionTest, WorksForCompatibleType) {
MoveOnly result{0};
const Action<void(bool, MoveOnly)> a1 = SaveArgByMove<1>(&result);
a1.Perform(std::make_tuple(true, MoveOnly{7}));
EXPECT_EQ(7, result.i);
}
TEST(SaveArgPointeeActionTest, WorksForSameType) {
int result = 0;
const int value = 5;
const Action<void(const int*)> a1 = SaveArgPointee<0>(&result);
a1.Perform(std::make_tuple(&value));
EXPECT_EQ(5, result);
}
TEST(SaveArgPointeeActionTest, WorksForCompatibleType) {
int result = 0;
char value = 'a';
const Action<void(bool, char*)> a1 = SaveArgPointee<1>(&result);
a1.Perform(std::make_tuple(true, &value));
EXPECT_EQ('a', result);
}
TEST(SetArgRefereeActionTest, WorksForSameType) {
int value = 0;
const Action<void(int&)> a1 = SetArgReferee<0>(1);
a1.Perform(std::tuple<int&>(value));
EXPECT_EQ(1, value);
}
TEST(SetArgRefereeActionTest, WorksForCompatibleType) {
int value = 0;
const Action<void(int, int&)> a1 = SetArgReferee<1>('a');
a1.Perform(std::tuple<int, int&>(0, value));
EXPECT_EQ('a', value);
}
TEST(SetArgRefereeActionTest, WorksWithExtraArguments) {
int value = 0;
const Action<void(bool, int, int&, const char*)> a1 = SetArgReferee<2>('a');
a1.Perform(std::tuple<bool, int, int&, const char*>(true, 0, value, "hi"));
EXPECT_EQ('a', value);
}
// A class that can be used to verify that its destructor is called: it will set
// the bool provided to the constructor to true when destroyed.
class DeletionTester {
public:
explicit DeletionTester(bool* is_deleted) : is_deleted_(is_deleted) {
// Make sure the bit is set to false.
*is_deleted_ = false;
}
~DeletionTester() { *is_deleted_ = true; }
private:
bool* is_deleted_;
};
TEST(DeleteArgActionTest, OneArg) {
bool is_deleted = false;
DeletionTester* t = new DeletionTester(&is_deleted);
const Action<void(DeletionTester*)> a1 = DeleteArg<0>(); // NOLINT
EXPECT_FALSE(is_deleted);
a1.Perform(std::make_tuple(t));
EXPECT_TRUE(is_deleted);
}
TEST(DeleteArgActionTest, TenArgs) {
bool is_deleted = false;
DeletionTester* t = new DeletionTester(&is_deleted);
const Action<void(bool, int, int, const char*, bool, int, int, int, int,
DeletionTester*)>
a1 = DeleteArg<9>();
EXPECT_FALSE(is_deleted);
a1.Perform(std::make_tuple(true, 5, 6, CharPtr("hi"), false, 7, 8, 9, 10, t));
EXPECT_TRUE(is_deleted);
}
#if GTEST_HAS_EXCEPTIONS
TEST(ThrowActionTest, ThrowsGivenExceptionInVoidFunction) {
const Action<void(int n)> a = Throw('a');
EXPECT_THROW(a.Perform(std::make_tuple(0)), char);
}
class MyException {};
TEST(ThrowActionTest, ThrowsGivenExceptionInNonVoidFunction) {
const Action<double(char ch)> a = Throw(MyException());
EXPECT_THROW(a.Perform(std::make_tuple('0')), MyException);
}
TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) {
const Action<double()> a = Throw(MyException());
EXPECT_THROW(a.Perform(std::make_tuple()), MyException);
}
class Object {
public:
virtual ~Object() = default;
virtual void Func() {}
};
class MockObject : public Object {
public:
~MockObject() override = default;
MOCK_METHOD(void, Func, (), (override));
};
TEST(ThrowActionTest, Times0) {
EXPECT_NONFATAL_FAILURE(
[] {
try {
MockObject m;
ON_CALL(m, Func()).WillByDefault([] { throw "something"; });
EXPECT_CALL(m, Func()).Times(0);
m.Func();
} catch (...) {
// Exception is caught but Times(0) still triggers a failure.
}
}(),
"");
}
#endif // GTEST_HAS_EXCEPTIONS
// Tests that SetArrayArgument<N>(first, last) sets the elements of the array
// pointed to by the N-th (0-based) argument to values in range [first, last).
TEST(SetArrayArgumentTest, SetsTheNthArray) {
using MyFunction = void(bool, int*, char*);
int numbers[] = {1, 2, 3};
Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers + 3);
int n[4] = {};
int* pn = n;
char ch[4] = {};
char* pch = ch;
a.Perform(std::make_tuple(true, pn, pch));
EXPECT_EQ(1, n[0]);
EXPECT_EQ(2, n[1]);
EXPECT_EQ(3, n[2]);
EXPECT_EQ(0, n[3]);
EXPECT_EQ('\0', ch[0]);
EXPECT_EQ('\0', ch[1]);
EXPECT_EQ('\0', ch[2]);
EXPECT_EQ('\0', ch[3]);
// Tests first and last are iterators.
std::string letters = "abc";
a = SetArrayArgument<2>(letters.begin(), letters.end());
std::fill_n(n, 4, 0);
std::fill_n(ch, 4, '\0');
a.Perform(std::make_tuple(true, pn, pch));
EXPECT_EQ(0, n[0]);
EXPECT_EQ(0, n[1]);
EXPECT_EQ(0, n[2]);
EXPECT_EQ(0, n[3]);
EXPECT_EQ('a', ch[0]);
EXPECT_EQ('b', ch[1]);
EXPECT_EQ('c', ch[2]);
EXPECT_EQ('\0', ch[3]);
}
// Tests SetArrayArgument<N>(first, last) where first == last.
TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) {
using MyFunction = void(bool, int*);
int numbers[] = {1, 2, 3};
Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers);
int n[4] = {};
int* pn = n;
a.Perform(std::make_tuple(true, pn));
EXPECT_EQ(0, n[0]);
EXPECT_EQ(0, n[1]);
EXPECT_EQ(0, n[2]);
EXPECT_EQ(0, n[3]);
}
// Tests SetArrayArgument<N>(first, last) where *first is convertible
// (but not equal) to the argument type.
TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) {
using MyFunction = void(bool, int*);
char chars[] = {97, 98, 99};
Action<MyFunction> a = SetArrayArgument<1>(chars, chars + 3);
int codes[4] = {111, 222, 333, 444};
int* pcodes = codes;
a.Perform(std::make_tuple(true, pcodes));
EXPECT_EQ(97, codes[0]);
EXPECT_EQ(98, codes[1]);
EXPECT_EQ(99, codes[2]);
EXPECT_EQ(444, codes[3]);
}
// Test SetArrayArgument<N>(first, last) with iterator as argument.
TEST(SetArrayArgumentTest, SetsTheNthArrayWithIteratorArgument) {
using MyFunction = void(bool, std::back_insert_iterator<std::string>);
std::string letters = "abc";
Action<MyFunction> a = SetArrayArgument<1>(letters.begin(), letters.end());
std::string s;
a.Perform(std::make_tuple(true, std::back_inserter(s)));
EXPECT_EQ(letters, s);
}
TEST(ReturnPointeeTest, Works) {
int n = 42;
const Action<int()> a = ReturnPointee(&n);
EXPECT_EQ(42, a.Perform(std::make_tuple()));
n = 43;
EXPECT_EQ(43, a.Perform(std::make_tuple()));
}
// 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 functor.
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 unary move-only functor.
TEST(InvokeArgumentTest, Functor1MoveOnly) {
Action<int(UnaryMoveOnlyFunctor)> a = InvokeArgument<0>(true); // NOLINT
EXPECT_EQ(1, a.Perform(std::make_tuple(UnaryMoveOnlyFunctor())));
}
// Tests using InvokeArgument with a one-shot unary functor.
TEST(InvokeArgumentTest, OneShotFunctor1) {
Action<int(OneShotUnaryFunctor)> a = InvokeArgument<0>(true); // NOLINT
EXPECT_EQ(1, a.Perform(std::make_tuple(OneShotUnaryFunctor())));
}
// 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))> // NOLINT
a = 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))> // NOLINT
a = 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)));
}
TEST(InvokeArgumentTest, MoveOnlyType) {
struct Marker {};
struct {
// Method takes a unique_ptr (to a type we don't care about), and an
// invocable type.
MOCK_METHOD(bool, MockMethod,
(std::unique_ptr<Marker>, std::function<int()>), ());
} mock;
ON_CALL(mock, MockMethod(_, _)).WillByDefault(InvokeArgument<1>());
// This compiles, but is a little opaque as a workaround:
ON_CALL(mock, MockMethod(_, _))
.WillByDefault(WithArg<1>(InvokeArgument<0>()));
}
// 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);
}
TEST(DoAllTest, NoArgs) {
bool ran_first = false;
Action<bool()> a =
DoAll([&] { ran_first = true; }, [&] { return ran_first; });
EXPECT_TRUE(a.Perform({}));
}
TEST(DoAllTest, MoveOnlyArgs) {
bool ran_first = false;
Action<int(std::unique_ptr<int>)> a = DoAll(
[&] { ran_first = true; }, [](std::unique_ptr<int> p) { return *p; });
EXPECT_EQ(7, a.Perform(std::make_tuple(std::unique_ptr<int>(new int(7)))));
EXPECT_TRUE(ran_first);
}
TEST(DoAllTest, ImplicitlyConvertsActionArguments) {
bool ran_first = false;
// Action<void(std::vector<int>)> isn't an
// Action<void(const std::vector<int>&) but can be converted.
Action<void(std::vector<int>)> first = [&] { ran_first = true; };
Action<int(std::vector<int>)> a =
DoAll(first, [](std::vector<int> arg) { return arg.front(); });
EXPECT_EQ(7, a.Perform(std::make_tuple(std::vector<int>{7})));
EXPECT_TRUE(ran_first);
}
// 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
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100 4503)
// 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)));
}
namespace {
// Tests that the body of ACTION() can reference the mock function
// type.
int Dummy(bool flag) { return flag ? 1 : 0; }
} // namespace
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) {
using MyAction = Action<const char*(bool, const char*)>;
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 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 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;
auto* 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_more_actions_test
} // namespace testing
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4100 4503
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4577
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