Merge pull request #1556 from google/revert-1551-master

Revert "gmock actions 2"
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Gennadiy Civil 2018-04-09 22:37:50 -04:00 committed by GitHub
commit a072611118
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13 changed files with 27 additions and 303 deletions

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@ -360,21 +360,15 @@ class Action {
// Constructs a null Action. Needed for storing Action objects in
// STL containers.
Action() {}
Action() : impl_(NULL) {}
#if GTEST_LANG_CXX11
// Construct an Action from a specified callable.
// This cannot take std::function directly, because then Action would not be
// directly constructible from lambda (it would require two conversions).
template <typename G,
typename = typename ::std::enable_if<
::std::is_constructible<::std::function<F>, G>::value>::type>
Action(G&& fun) : fun_(::std::forward<G>(fun)) {} // NOLINT
#endif
// Constructs an Action from its implementation.
// Constructs an Action from its implementation. A NULL impl is
// used to represent the "do-default" action.
explicit Action(ActionInterface<F>* impl) : impl_(impl) {}
// Copy constructor.
Action(const Action& action) : impl_(action.impl_) {}
// This constructor allows us to turn an Action<Func> object into an
// Action<F>, as long as F's arguments can be implicitly converted
// to Func's and Func's return type can be implicitly converted to
@ -383,13 +377,7 @@ class Action {
explicit Action(const Action<Func>& action);
// Returns true iff this is the DoDefault() action.
bool IsDoDefault() const {
#if GTEST_LANG_CXX11
return impl_ == nullptr && fun_ == nullptr;
#else
return impl_ == NULL;
#endif
}
bool IsDoDefault() const { return impl_.get() == NULL; }
// Performs the action. Note that this method is const even though
// the corresponding method in ActionInterface is not. The reason
@ -397,15 +385,14 @@ class Action {
// another concrete action, not that the concrete action it binds to
// cannot change state. (Think of the difference between a const
// pointer and a pointer to const.)
Result Perform(ArgumentTuple args) const {
if (IsDoDefault()) {
internal::IllegalDoDefault(__FILE__, __LINE__);
}
#if GTEST_LANG_CXX11
if (fun_ != nullptr) {
return internal::Apply(fun_, ::std::move(args));
}
#endif
Result Perform(const ArgumentTuple& args) const {
internal::Assert(
!IsDoDefault(), __FILE__, __LINE__,
"You are using DoDefault() inside a composite action like "
"DoAll() or WithArgs(). This is not supported for technical "
"reasons. Please instead spell out the default action, or "
"assign the default action to an Action variable and use "
"the variable in various places.");
return impl_->Perform(args);
}
@ -413,18 +400,6 @@ class Action {
template <typename F1, typename F2>
friend class internal::ActionAdaptor;
template <typename G>
friend class Action;
// In C++11, Action can be implemented either as a generic functor (through
// std::function), or legacy ActionInterface. In C++98, only ActionInterface
// is available. The invariants are as follows:
// * in C++98, impl_ is null iff this is the default action
// * in C++11, at most one of fun_ & impl_ may be nonnull; both are null iff
// this is the default action
#if GTEST_LANG_CXX11
::std::function<F> fun_;
#endif
internal::linked_ptr<ActionInterface<F> > impl_;
};
@ -556,9 +531,6 @@ struct ByMoveWrapper {
// statement, and conversion of the result of Return to Action<T(U)> is a
// good place for that.
//
// The real life example of the above scenario happens when an invocation
// of gtl::Container() is passed into Return.
//
template <typename R>
class ReturnAction {
public:
@ -778,7 +750,7 @@ class DoDefaultAction {
// This template type conversion operator allows DoDefault() to be
// used in any function.
template <typename F>
operator Action<F>() const { return Action<F>(); } // NOLINT
operator Action<F>() const { return Action<F>(NULL); }
};
// Implements the Assign action to set a given pointer referent to a
@ -914,28 +886,6 @@ class InvokeMethodWithoutArgsAction {
GTEST_DISALLOW_ASSIGN_(InvokeMethodWithoutArgsAction);
};
// Implements the InvokeWithoutArgs(callback) action.
template <typename CallbackType>
class InvokeCallbackWithoutArgsAction {
public:
// The c'tor takes ownership of the callback.
explicit InvokeCallbackWithoutArgsAction(CallbackType* callback)
: callback_(callback) {
callback->CheckIsRepeatable(); // Makes sure the callback is permanent.
}
// This type conversion operator template allows Invoke(callback) to
// be used wherever the callback's return type can be implicitly
// converted to that of the mock function.
template <typename Result, typename ArgumentTuple>
Result Perform(const ArgumentTuple&) const { return callback_->Run(); }
private:
const internal::linked_ptr<CallbackType> callback_;
GTEST_DISALLOW_ASSIGN_(InvokeCallbackWithoutArgsAction);
};
// Implements the IgnoreResult(action) action.
template <typename A>
class IgnoreResultAction {
@ -1103,13 +1053,7 @@ typedef internal::IgnoredValue Unused;
template <typename To>
template <typename From>
Action<To>::Action(const Action<From>& from)
:
#if GTEST_LANG_CXX11
fun_(from.fun_),
#endif
impl_(from.impl_ == NULL ? NULL
: new internal::ActionAdaptor<To, From>(from)) {
}
: impl_(new internal::ActionAdaptor<To, From>(from)) {}
// Creates an action that returns 'value'. 'value' is passed by value
// instead of const reference - otherwise Return("string literal")

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@ -1,6 +1,4 @@
// This file was GENERATED by command:
// pump.py gmock-generated-actions.h.pump
// DO NOT EDIT BY HAND!!!
// This file was GENERATED by a script. DO NOT EDIT BY HAND!!!
// Copyright 2007, Google Inc.
// All rights reserved.

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@ -1,5 +1,5 @@
$$ -*- mode: c++; -*-
$$ This is a Pump source file. Please use Pump to convert it to
$$ This is a Pump source file. Please use Pump to convert it to
$$ gmock-generated-actions.h.
$$
$var n = 10 $$ The maximum arity we support.

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@ -1,6 +1,6 @@
$$ -*- mode: c++; -*-
$$ This is a Pump source file. Please use Pump to convert
$$ it to gmock-generated-matchers.h.
$$ This is a Pump source file. Please use Pump to convert it to
$$ gmock-generated-actions.h.
$$
$var n = 10 $$ The maximum arity we support.
$$ }} This line fixes auto-indentation of the following code in Emacs.

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@ -1,6 +1,6 @@
$$ -*- mode: c++; -*-
$$ This is a Pump source file. Please use Pump to convert
$$ it to gmock-generated-nice-strict.h.
$$ This is a Pump source file. Please use Pump to convert it to
$$ gmock-generated-nice-strict.h.
$$
$var n = 10 $$ The maximum arity we support.
// Copyright 2008, Google Inc.

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@ -46,11 +46,8 @@ namespace testing {
// Silence C4100 (unreferenced formal
// parameter) for MSVC
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable:4100)
#if (_MSC_VER == 1900)
// and silence C4800 (C4800: 'int *const ': forcing value
// to bool 'true' or 'false') for MSVC 14
# pragma warning(disable:4800)
#endif
#endif
@ -81,11 +78,6 @@ MATCHER(IsFalse, negation ? "is true" : "is false") {
return !static_cast<bool>(arg);
}
#ifdef _MSC_VER
# pragma warning(pop)
#endif
} // namespace testing
#endif // GMOCK_GMOCK_MORE_MATCHERS_H_

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@ -1,5 +1,5 @@
$$ -*- mode: c++; -*-
$$ This is a Pump source file. Please use Pump to convert
$$ This is a Pump source file (http://go/pump). Please use Pump to convert
$$ it to callback-actions.h.
$$
$var max_callback_arity = 5

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@ -48,14 +48,6 @@
namespace testing {
namespace internal {
// Silence MSVC C4100 (unreferenced formal parameter) and
// C4805('==': unsafe mix of type 'const int' and type 'const bool')
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable:4100)
# pragma warning(disable:4805)
#endif
// Joins a vector of strings as if they are fields of a tuple; returns
// the joined string.
GTEST_API_ std::string JoinAsTuple(const Strings& fields);
@ -518,7 +510,7 @@ struct BooleanConstant {};
// Emit an assertion failure due to incorrect DoDefault() usage. Out-of-lined to
// reduce code size.
GTEST_API_ void IllegalDoDefault(const char* file, int line);
void IllegalDoDefault(const char* file, int line);
#if GTEST_LANG_CXX11
// Helper types for Apply() below.
@ -547,12 +539,6 @@ auto Apply(F&& f, Tuple&& args)
make_int_pack<std::tuple_size<Tuple>::value>());
}
#endif
#ifdef _MSC_VER
# pragma warning(pop)
#endif
} // namespace internal
} // namespace testing

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@ -188,7 +188,7 @@ GTEST_API_ void Log(LogSeverity severity, const std::string& message,
std::cout << ::std::flush;
}
GTEST_API_ void IllegalDoDefault(const char* file, int line) {
void IllegalDoDefault(const char* file, int line) {
internal::Assert(
false, file, line,
"You are using DoDefault() inside a composite action like "

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@ -49,15 +49,6 @@
# include <unistd.h> // NOLINT
#endif
// Silence C4800 (C4800: 'int *const ': forcing value
// to bool 'true' or 'false') for MSVC 14,15
#ifdef _MSC_VER
#if _MSC_VER <= 1900
# pragma warning(push)
# pragma warning(disable:4800)
#endif
#endif
namespace testing {
namespace internal {
@ -875,9 +866,3 @@ InSequence::~InSequence() {
}
} // namespace testing
#ifdef _MSC_VER
#if _MSC_VER <= 1900
# pragma warning(pop)
#endif
#endif

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@ -33,15 +33,6 @@
//
// This file tests the built-in actions.
// Silence C4800 (C4800: 'int *const ': forcing value
// to bool 'true' or 'false') for MSVC 14,15
#ifdef _MSC_VER
#if _MSC_VER <= 1900
# pragma warning(push)
# pragma warning(disable:4800)
#endif
#endif
#include "gmock/gmock-actions.h"
#include <algorithm>
#include <iterator>
@ -74,7 +65,6 @@ using testing::ReturnRef;
using testing::ReturnRefOfCopy;
using testing::SetArgPointee;
using testing::SetArgumentPointee;
using testing::Unused;
using testing::_;
using testing::get;
using testing::internal::BuiltInDefaultValue;
@ -715,8 +705,6 @@ class MockClass {
MOCK_METHOD0(MakeUniqueBase, std::unique_ptr<Base>());
MOCK_METHOD0(MakeVectorUnique, std::vector<std::unique_ptr<int>>());
MOCK_METHOD1(TakeUnique, int(std::unique_ptr<int>));
MOCK_METHOD2(TakeUnique,
int(const std::unique_ptr<int>&, std::unique_ptr<int>));
#endif
private:
@ -768,7 +756,7 @@ TEST(DoDefaultDeathTest, DiesIfUsedInCompositeAction) {
}
// Tests that DoDefault() returns the default value set by
// DefaultValue<T>::Set() when it's not overriden by an ON_CALL().
// DefaultValue<T>::Set() when it's not overridden by an ON_CALL().
TEST(DoDefaultTest, ReturnsUserSpecifiedPerTypeDefaultValueWhenThereIsOne) {
DefaultValue<int>::Set(1);
MockClass mock;
@ -1423,152 +1411,6 @@ TEST(MockMethodTest, CanReturnMoveOnlyValue_Invoke) {
EXPECT_EQ(7, *vresult[0]);
}
TEST(MockMethodTest, CanTakeMoveOnlyValue) {
MockClass mock;
auto make = [](int i) { return std::unique_ptr<int>(new int(i)); };
EXPECT_CALL(mock, TakeUnique(_)).WillRepeatedly([](std::unique_ptr<int> i) {
return *i;
});
// DoAll() does not compile, since it would move from its arguments twice.
// EXPECT_CALL(mock, TakeUnique(_, _))
// .WillRepeatedly(DoAll(Invoke([](std::unique_ptr<int> j) {}),
// Return(1)));
EXPECT_CALL(mock, TakeUnique(testing::Pointee(7)))
.WillOnce(Return(-7))
.RetiresOnSaturation();
EXPECT_CALL(mock, TakeUnique(testing::IsNull()))
.WillOnce(Return(-1))
.RetiresOnSaturation();
EXPECT_EQ(5, mock.TakeUnique(make(5)));
EXPECT_EQ(-7, mock.TakeUnique(make(7)));
EXPECT_EQ(7, mock.TakeUnique(make(7)));
EXPECT_EQ(7, mock.TakeUnique(make(7)));
EXPECT_EQ(-1, mock.TakeUnique({}));
// Some arguments are moved, some passed by reference.
auto lvalue = make(6);
EXPECT_CALL(mock, TakeUnique(_, _))
.WillOnce([](const std::unique_ptr<int>& i, std::unique_ptr<int> j) {
return *i * *j;
});
EXPECT_EQ(42, mock.TakeUnique(lvalue, make(7)));
// The unique_ptr can be saved by the action.
std::unique_ptr<int> saved;
EXPECT_CALL(mock, TakeUnique(_)).WillOnce([&saved](std::unique_ptr<int> i) {
saved = std::move(i);
return 0;
});
EXPECT_EQ(0, mock.TakeUnique(make(42)));
EXPECT_EQ(42, *saved);
}
#endif // GTEST_HAS_STD_UNIQUE_PTR_
#if GTEST_LANG_CXX11
// Tests for std::function based action.
int Add(int val, int& ref, int* ptr) { // NOLINT
int result = val + ref + *ptr;
ref = 42;
*ptr = 43;
return result;
}
int Deref(std::unique_ptr<int> ptr) { return *ptr; }
struct Double {
template <typename T>
T operator()(T t) { return 2 * t; }
};
std::unique_ptr<int> UniqueInt(int i) {
return std::unique_ptr<int>(new int(i));
}
TEST(FunctorActionTest, ActionFromFunction) {
Action<int(int, int&, int*)> a = &Add;
int x = 1, y = 2, z = 3;
EXPECT_EQ(6, a.Perform(std::forward_as_tuple(x, y, &z)));
EXPECT_EQ(42, y);
EXPECT_EQ(43, z);
Action<int(std::unique_ptr<int>)> a1 = &Deref;
EXPECT_EQ(7, a1.Perform(std::make_tuple(UniqueInt(7))));
}
TEST(FunctorActionTest, ActionFromLambda) {
Action<int(bool, int)> a1 = [](bool b, int i) { return b ? i : 0; };
EXPECT_EQ(5, a1.Perform(make_tuple(true, 5)));
EXPECT_EQ(0, a1.Perform(make_tuple(false, 5)));
std::unique_ptr<int> saved;
Action<void(std::unique_ptr<int>)> a2 = [&saved](std::unique_ptr<int> p) {
saved = std::move(p);
};
a2.Perform(make_tuple(UniqueInt(5)));
EXPECT_EQ(5, *saved);
}
TEST(FunctorActionTest, PolymorphicFunctor) {
Action<int(int)> ai = Double();
EXPECT_EQ(2, ai.Perform(make_tuple(1)));
Action<double(double)> ad = Double(); // Double? Double double!
EXPECT_EQ(3.0, ad.Perform(make_tuple(1.5)));
}
TEST(FunctorActionTest, TypeConversion) {
// Numeric promotions are allowed.
const Action<bool(int)> a1 = [](int i) { return i > 1; };
const Action<int(bool)> a2 = Action<int(bool)>(a1);
EXPECT_EQ(1, a1.Perform(make_tuple(42)));
EXPECT_EQ(0, a2.Perform(make_tuple(42)));
// Implicit constructors are allowed.
const Action<bool(std::string)> s1 = [](std::string s) { return !s.empty(); };
const Action<int(const char*)> s2 = Action<int(const char*)>(s1);
EXPECT_EQ(0, s2.Perform(make_tuple("")));
EXPECT_EQ(1, s2.Perform(make_tuple("hello")));
// Also between the lambda and the action itself.
const Action<bool(std::string)> x = [](Unused) { return 42; };
EXPECT_TRUE(x.Perform(make_tuple("hello")));
}
TEST(FunctorActionTest, UnusedArguments) {
// Verify that users can ignore uninteresting arguments.
Action<int(int, std::unique_ptr<int>, const int&)> a =
[](int i, Unused, Unused) { return 2 * i; };
EXPECT_EQ(6, a.Perform(make_tuple(3, UniqueInt(7), 9)));
}
// Test that basic built-in actions work with move-only arguments.
// TODO(rburny): Currently, almost all ActionInterface-based actions will not
// work, even if they only try to use other, copyable arguments. Implement them
// if necessary (but note that DoAll cannot work on non-copyable types anyway -
// so maybe it's better to make users use lambdas instead.
TEST(MoveOnlyArgumentsTest, ReturningActions) {
Action<int(std::unique_ptr<int>)> a = Return(1);
EXPECT_EQ(1, a.Perform(make_tuple(nullptr)));
a = testing::WithoutArgs([]() { return 7; });
EXPECT_EQ(7, a.Perform(make_tuple(nullptr)));
Action<void(std::unique_ptr<int>, int*)> a2 = testing::SetArgPointee<1>(3);
int x = 0;
a2.Perform(make_tuple(nullptr, &x));
EXPECT_EQ(x, 3);
}
#endif // GTEST_LANG_CXX11
} // Unnamed namespace
#ifdef _MSC_VER
#if _MSC_VER == 1900
# pragma warning(pop)
#endif
#endif

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@ -39,12 +39,6 @@
#include "gtest/gtest.h"
// Silence C4100 (unreferenced formal parameter)
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable:4100)
#endif
using testing::_;
using testing::AnyNumber;
using testing::Ge;
@ -304,7 +298,3 @@ int main(int argc, char **argv) {
TestCatchesLeakedMocksInAdHocTests();
return RUN_ALL_TESTS();
}
#ifdef _MSC_VER
# pragma warning(pop)
#endif

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@ -82,15 +82,6 @@
namespace testing {
// Silence C4100 (unreferenced formal parameter) and 4805
// unsafe mix of type 'const int' and type 'const bool'
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable:4805)
# pragma warning(disable:4100)
#endif
// Declares the flags.
// This flag temporary enables the disabled tests.
@ -2307,10 +2298,6 @@ bool StaticAssertTypeEq() {
// Tries to determine an appropriate directory for the platform.
GTEST_API_ std::string TempDir();
#ifdef _MSC_VER
# pragma warning(pop)
#endif
} // namespace testing
// Use this function in main() to run all tests. It returns 0 if all