googletest/googlemock/include/gmock/gmock-generated-actions.h.pump
Robert Luberda 3cddd56e19 Add more override keywords
Mark more functions with "override" keyword, just like
it was done in commit 2460f97152.

This should prevent compiler from complaining while compiling both
user code, and the googletest code itself with the -Wsuggest-override
option turned on; with the exception of:
 * calls to new MOCK_METHOD() in test/gmock-function-mocker_test.cc
 * calls to old MOCK_METHODx()/MOCK_CONST_METHODx() in other
   unit test files.

Closes #2493
2019-10-11 23:45:31 +02:00

628 lines
21 KiB
C++

$$ -*- mode: c++; -*-
$$ 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 meta comment fixes auto-indentation in editors.
// 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 implements some commonly used variadic actions.
// GOOGLETEST_CM0002 DO NOT DELETE
#ifndef GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_ACTIONS_H_
#define GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_ACTIONS_H_
#include <memory>
#include <utility>
#include "gmock/gmock-actions.h"
#include "gmock/internal/gmock-port.h"
namespace testing {
namespace internal {
// A macro from the ACTION* family (defined later in this file)
// defines an action that can be used in a mock function. Typically,
// these actions only care about a subset of the arguments of the mock
// function. For example, if such an action only uses the second
// argument, it can be used in any mock function that takes >= 2
// arguments where the type of the second argument is compatible.
//
// Therefore, the action implementation must be prepared to take more
// arguments than it needs. The ExcessiveArg type is used to
// represent those excessive arguments. In order to keep the compiler
// error messages tractable, we define it in the testing namespace
// instead of testing::internal. However, this is an INTERNAL TYPE
// and subject to change without notice, so a user MUST NOT USE THIS
// TYPE DIRECTLY.
struct ExcessiveArg {};
// A helper class needed for implementing the ACTION* macros.
template <typename Result, class Impl>
class ActionHelper {
public:
$range i 0..n
$for i
[[
$var template = [[$if i==0 [[]] $else [[
$range j 0..i-1
template <$for j, [[typename A$j]]>
]]]]
$range j 0..i-1
$var As = [[$for j, [[A$j]]]]
$var as = [[$for j, [[std::get<$j>(args)]]]]
$range k 1..n-i
$var eas = [[$for k, [[ExcessiveArg()]]]]
$var arg_list = [[$if (i==0) | (i==n) [[$as$eas]] $else [[$as, $eas]]]]
$template
static Result Perform(Impl* impl, const ::std::tuple<$As>& args) {
return impl->template gmock_PerformImpl<$As>(args, $arg_list);
}
]]
};
} // namespace internal
} // namespace testing
// The ACTION* family of macros can be used in a namespace scope to
// define custom actions easily. The syntax:
//
// ACTION(name) { statements; }
//
// will define an action with the given name that executes the
// statements. The value returned by the statements will be used as
// the return value of the action. Inside the statements, you can
// refer to the K-th (0-based) argument of the mock function by
// 'argK', and refer to its type by 'argK_type'. For example:
//
// ACTION(IncrementArg1) {
// arg1_type temp = arg1;
// return ++(*temp);
// }
//
// allows you to write
//
// ...WillOnce(IncrementArg1());
//
// You can also refer to the entire argument tuple and its type by
// 'args' and 'args_type', and refer to the mock function type and its
// return type by 'function_type' and 'return_type'.
//
// Note that you don't need to specify the types of the mock function
// arguments. However rest assured that your code is still type-safe:
// you'll get a compiler error if *arg1 doesn't support the ++
// operator, or if the type of ++(*arg1) isn't compatible with the
// mock function's return type, for example.
//
// Sometimes you'll want to parameterize the action. For that you can use
// another macro:
//
// ACTION_P(name, param_name) { statements; }
//
// For example:
//
// ACTION_P(Add, n) { return arg0 + n; }
//
// will allow you to write:
//
// ...WillOnce(Add(5));
//
// Note that you don't need to provide the type of the parameter
// either. If you need to reference the type of a parameter named
// 'foo', you can write 'foo_type'. For example, in the body of
// ACTION_P(Add, n) above, you can write 'n_type' to refer to the type
// of 'n'.
//
// We also provide ACTION_P2, ACTION_P3, ..., up to ACTION_P$n to support
// multi-parameter actions.
//
// For the purpose of typing, you can view
//
// ACTION_Pk(Foo, p1, ..., pk) { ... }
//
// as shorthand for
//
// template <typename p1_type, ..., typename pk_type>
// FooActionPk<p1_type, ..., pk_type> Foo(p1_type p1, ..., pk_type pk) { ... }
//
// In particular, you can provide the template type arguments
// explicitly when invoking Foo(), as in Foo<long, bool>(5, false);
// although usually you can rely on the compiler to infer the types
// for you automatically. You can assign the result of expression
// Foo(p1, ..., pk) to a variable of type FooActionPk<p1_type, ...,
// pk_type>. This can be useful when composing actions.
//
// You can also overload actions with different numbers of parameters:
//
// ACTION_P(Plus, a) { ... }
// ACTION_P2(Plus, a, b) { ... }
//
// While it's tempting to always use the ACTION* macros when defining
// a new action, you should also consider implementing ActionInterface
// or using MakePolymorphicAction() instead, especially if you need to
// use the action a lot. While these approaches require more work,
// they give you more control on the types of the mock function
// arguments and the action parameters, which in general leads to
// better compiler error messages that pay off in the long run. They
// also allow overloading actions based on parameter types (as opposed
// to just based on the number of parameters).
//
// CAVEAT:
//
// ACTION*() can only be used in a namespace scope as templates cannot be
// declared inside of a local class.
// Users can, however, define any local functors (e.g. a lambda) that
// can be used as actions.
//
// MORE INFORMATION:
//
// To learn more about using these macros, please search for 'ACTION' on
// https://github.com/google/googletest/blob/master/googlemock/docs/cook_book.md
$range i 0..n
$range k 0..n-1
// An internal macro needed for implementing ACTION*().
#define GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_\
const args_type& args GTEST_ATTRIBUTE_UNUSED_
$for k [[, \
const arg$k[[]]_type& arg$k GTEST_ATTRIBUTE_UNUSED_]]
// Sometimes you want to give an action explicit template parameters
// that cannot be inferred from its value parameters. ACTION() and
// ACTION_P*() don't support that. ACTION_TEMPLATE() remedies that
// and can be viewed as an extension to ACTION() and ACTION_P*().
//
// The syntax:
//
// ACTION_TEMPLATE(ActionName,
// HAS_m_TEMPLATE_PARAMS(kind1, name1, ..., kind_m, name_m),
// AND_n_VALUE_PARAMS(p1, ..., p_n)) { statements; }
//
// defines an action template that takes m explicit template
// parameters and n value parameters. name_i is the name of the i-th
// template parameter, and kind_i specifies whether it's a typename,
// an integral constant, or a template. p_i is the name of the i-th
// value parameter.
//
// Example:
//
// // DuplicateArg<k, T>(output) converts the k-th argument of the mock
// // function to type T and copies it to *output.
// ACTION_TEMPLATE(DuplicateArg,
// HAS_2_TEMPLATE_PARAMS(int, k, typename, T),
// AND_1_VALUE_PARAMS(output)) {
// *output = T(::std::get<k>(args));
// }
// ...
// int n;
// EXPECT_CALL(mock, Foo(_, _))
// .WillOnce(DuplicateArg<1, unsigned char>(&n));
//
// To create an instance of an action template, write:
//
// ActionName<t1, ..., t_m>(v1, ..., v_n)
//
// where the ts are the template arguments and the vs are the value
// arguments. The value argument types are inferred by the compiler.
// If you want to explicitly specify the value argument types, you can
// provide additional template arguments:
//
// ActionName<t1, ..., t_m, u1, ..., u_k>(v1, ..., v_n)
//
// where u_i is the desired type of v_i.
//
// ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded on the
// number of value parameters, but not on the number of template
// parameters. Without the restriction, the meaning of the following
// is unclear:
//
// OverloadedAction<int, bool>(x);
//
// Are we using a single-template-parameter action where 'bool' refers
// to the type of x, or are we using a two-template-parameter action
// where the compiler is asked to infer the type of x?
//
// Implementation notes:
//
// GMOCK_INTERNAL_*_HAS_m_TEMPLATE_PARAMS and
// GMOCK_INTERNAL_*_AND_n_VALUE_PARAMS are internal macros for
// implementing ACTION_TEMPLATE. The main trick we use is to create
// new macro invocations when expanding a macro. For example, we have
//
// #define ACTION_TEMPLATE(name, template_params, value_params)
// ... GMOCK_INTERNAL_DECL_##template_params ...
//
// which causes ACTION_TEMPLATE(..., HAS_1_TEMPLATE_PARAMS(typename, T), ...)
// to expand to
//
// ... GMOCK_INTERNAL_DECL_HAS_1_TEMPLATE_PARAMS(typename, T) ...
//
// Since GMOCK_INTERNAL_DECL_HAS_1_TEMPLATE_PARAMS is a macro, the
// preprocessor will continue to expand it to
//
// ... typename T ...
//
// This technique conforms to the C++ standard and is portable. It
// allows us to implement action templates using O(N) code, where N is
// the maximum number of template/value parameters supported. Without
// using it, we'd have to devote O(N^2) amount of code to implement all
// combinations of m and n.
// Declares the template parameters.
$range j 1..n
$for j [[
$range m 0..j-1
#define GMOCK_INTERNAL_DECL_HAS_$j[[]]
_TEMPLATE_PARAMS($for m, [[kind$m, name$m]]) $for m, [[kind$m name$m]]
]]
// Lists the template parameters.
$for j [[
$range m 0..j-1
#define GMOCK_INTERNAL_LIST_HAS_$j[[]]
_TEMPLATE_PARAMS($for m, [[kind$m, name$m]]) $for m, [[name$m]]
]]
// Declares the types of value parameters.
$for i [[
$range j 0..i-1
#define GMOCK_INTERNAL_DECL_TYPE_AND_$i[[]]
_VALUE_PARAMS($for j, [[p$j]]) $for j [[, typename p$j##_type]]
]]
// Initializes the value parameters.
$for i [[
$range j 0..i-1
#define GMOCK_INTERNAL_INIT_AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]])\
($for j, [[p$j##_type gmock_p$j]])$if i>0 [[ : ]]$for j, [[p$j(::std::move(gmock_p$j))]]
]]
// Declares the fields for storing the value parameters.
$for i [[
$range j 0..i-1
#define GMOCK_INTERNAL_DEFN_AND_$i[[]]
_VALUE_PARAMS($for j, [[p$j]]) $for j [[p$j##_type p$j; ]]
]]
// Lists the value parameters.
$for i [[
$range j 0..i-1
#define GMOCK_INTERNAL_LIST_AND_$i[[]]
_VALUE_PARAMS($for j, [[p$j]]) $for j, [[p$j]]
]]
// Lists the value parameter types.
$for i [[
$range j 0..i-1
#define GMOCK_INTERNAL_LIST_TYPE_AND_$i[[]]
_VALUE_PARAMS($for j, [[p$j]]) $for j [[, p$j##_type]]
]]
// Declares the value parameters.
$for i [[
$range j 0..i-1
#define GMOCK_INTERNAL_DECL_AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]]) [[]]
$for j, [[p$j##_type p$j]]
]]
// The suffix of the class template implementing the action template.
$for i [[
$range j 0..i-1
#define GMOCK_INTERNAL_COUNT_AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]]) [[]]
$if i==1 [[P]] $elif i>=2 [[P$i]]
]]
// The name of the class template implementing the action template.
#define GMOCK_ACTION_CLASS_(name, value_params)\
GTEST_CONCAT_TOKEN_(name##Action, GMOCK_INTERNAL_COUNT_##value_params)
$range k 0..n-1
#define ACTION_TEMPLATE(name, template_params, value_params)\
template <GMOCK_INTERNAL_DECL_##template_params\
GMOCK_INTERNAL_DECL_TYPE_##value_params>\
class GMOCK_ACTION_CLASS_(name, value_params) {\
public:\
explicit GMOCK_ACTION_CLASS_(name, value_params)\
GMOCK_INTERNAL_INIT_##value_params {}\
template <typename F>\
class gmock_Impl : public ::testing::ActionInterface<F> {\
public:\
typedef F function_type;\
typedef typename ::testing::internal::Function<F>::Result return_type;\
typedef typename ::testing::internal::Function<F>::ArgumentTuple\
args_type;\
explicit gmock_Impl GMOCK_INTERNAL_INIT_##value_params {}\
return_type Perform(const args_type& args) override {\
return ::testing::internal::ActionHelper<return_type, gmock_Impl>::\
Perform(this, args);\
}\
template <$for k, [[typename arg$k[[]]_type]]>\
return_type gmock_PerformImpl(const args_type& args[[]]
$for k [[, const arg$k[[]]_type& arg$k]]) const;\
GMOCK_INTERNAL_DEFN_##value_params\
private:\
GTEST_DISALLOW_ASSIGN_(gmock_Impl);\
};\
template <typename F> operator ::testing::Action<F>() const {\
return ::testing::Action<F>(\
new gmock_Impl<F>(GMOCK_INTERNAL_LIST_##value_params));\
}\
GMOCK_INTERNAL_DEFN_##value_params\
private:\
GTEST_DISALLOW_ASSIGN_(GMOCK_ACTION_CLASS_(name, value_params));\
};\
template <GMOCK_INTERNAL_DECL_##template_params\
GMOCK_INTERNAL_DECL_TYPE_##value_params>\
inline GMOCK_ACTION_CLASS_(name, value_params)<\
GMOCK_INTERNAL_LIST_##template_params\
GMOCK_INTERNAL_LIST_TYPE_##value_params> name(\
GMOCK_INTERNAL_DECL_##value_params) {\
return GMOCK_ACTION_CLASS_(name, value_params)<\
GMOCK_INTERNAL_LIST_##template_params\
GMOCK_INTERNAL_LIST_TYPE_##value_params>(\
GMOCK_INTERNAL_LIST_##value_params);\
}\
template <GMOCK_INTERNAL_DECL_##template_params\
GMOCK_INTERNAL_DECL_TYPE_##value_params>\
template <typename F>\
template <typename arg0_type, typename arg1_type, typename arg2_type, \
typename arg3_type, typename arg4_type, typename arg5_type, \
typename arg6_type, typename arg7_type, typename arg8_type, \
typename arg9_type>\
typename ::testing::internal::Function<F>::Result\
GMOCK_ACTION_CLASS_(name, value_params)<\
GMOCK_INTERNAL_LIST_##template_params\
GMOCK_INTERNAL_LIST_TYPE_##value_params>::gmock_Impl<F>::\
gmock_PerformImpl(\
GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_) const
$for i
[[
$var template = [[$if i==0 [[]] $else [[
$range j 0..i-1
template <$for j, [[typename p$j##_type]]>\
]]]]
$var class_name = [[name##Action[[$if i==0 [[]] $elif i==1 [[P]]
$else [[P$i]]]]]]
$range j 0..i-1
$var ctor_param_list = [[$for j, [[p$j##_type gmock_p$j]]]]
$var param_types_and_names = [[$for j, [[p$j##_type p$j]]]]
$var inits = [[$if i==0 [[]] $else [[ : $for j, [[p$j(::std::forward<p$j##_type>(gmock_p$j))]]]]]]
$var param_field_decls = [[$for j
[[
p$j##_type p$j;\
]]]]
$var param_field_decls2 = [[$for j
[[
p$j##_type p$j;\
]]]]
$var params = [[$for j, [[p$j]]]]
$var param_types = [[$if i==0 [[]] $else [[<$for j, [[p$j##_type]]>]]]]
$var typename_arg_types = [[$for k, [[typename arg$k[[]]_type]]]]
$var arg_types_and_names = [[$for k, [[const arg$k[[]]_type& arg$k]]]]
$var macro_name = [[$if i==0 [[ACTION]] $elif i==1 [[ACTION_P]]
$else [[ACTION_P$i]]]]
#define $macro_name(name$for j [[, p$j]])\$template
class $class_name {\
public:\
[[$if i==1 [[explicit ]]]]$class_name($ctor_param_list)$inits {}\
template <typename F>\
class gmock_Impl : public ::testing::ActionInterface<F> {\
public:\
typedef F function_type;\
typedef typename ::testing::internal::Function<F>::Result return_type;\
typedef typename ::testing::internal::Function<F>::ArgumentTuple\
args_type;\
[[$if i==1 [[explicit ]]]]gmock_Impl($ctor_param_list)$inits {}\
return_type Perform(const args_type& args) override {\
return ::testing::internal::ActionHelper<return_type, gmock_Impl>::\
Perform(this, args);\
}\
template <$typename_arg_types>\
return_type gmock_PerformImpl(const args_type& args, [[]]
$arg_types_and_names) const;\$param_field_decls
private:\
GTEST_DISALLOW_ASSIGN_(gmock_Impl);\
};\
template <typename F> operator ::testing::Action<F>() const {\
return ::testing::Action<F>(new gmock_Impl<F>($params));\
}\$param_field_decls2
private:\
GTEST_DISALLOW_ASSIGN_($class_name);\
};\$template
inline $class_name$param_types name($param_types_and_names) {\
return $class_name$param_types($params);\
}\$template
template <typename F>\
template <$typename_arg_types>\
typename ::testing::internal::Function<F>::Result\
$class_name$param_types::gmock_Impl<F>::gmock_PerformImpl(\
GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_) const
]]
$$ } // This meta comment fixes auto-indentation in Emacs. It won't
$$ // show up in the generated code.
namespace testing {
// 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.
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable:4100)
#endif
// Various overloads for InvokeArgument<N>().
//
// The InvokeArgument<N>(a1, a2, ..., a_k) action invokes the N-th
// (0-based) argument, which must be a k-ary callable, of the mock
// function, with arguments a1, a2, ..., a_k.
//
// Notes:
//
// 1. The arguments are passed by value by default. If you need to
// pass an argument by reference, wrap it inside ByRef(). For
// example,
//
// InvokeArgument<1>(5, string("Hello"), ByRef(foo))
//
// passes 5 and string("Hello") by value, and passes foo by
// reference.
//
// 2. If the callable takes an argument by reference but ByRef() is
// not used, it will receive the reference to a copy of the value,
// instead of the original value. For example, when the 0-th
// argument of the mock function takes a const string&, the action
//
// InvokeArgument<0>(string("Hello"))
//
// makes a copy of the temporary string("Hello") object and passes a
// reference of the copy, instead of the original temporary object,
// to the callable. This makes it easy for a user to define an
// InvokeArgument action from temporary values and have it performed
// later.
namespace internal {
namespace invoke_argument {
// Appears in InvokeArgumentAdl's argument list to help avoid
// accidental calls to user functions of the same name.
struct AdlTag {};
// InvokeArgumentAdl - a helper for InvokeArgument.
// The basic overloads are provided here for generic functors.
// Overloads for other custom-callables are provided in the
// internal/custom/callback-actions.h header.
$range i 0..n
$for i
[[
$range j 1..i
template <typename R, typename F[[$for j [[, typename A$j]]]]>
R InvokeArgumentAdl(AdlTag, F f[[$for j [[, A$j a$j]]]]) {
return f([[$for j, [[a$j]]]]);
}
]]
} // namespace invoke_argument
} // namespace internal
$range i 0..n
$for i [[
$range j 0..i-1
ACTION_TEMPLATE(InvokeArgument,
HAS_1_TEMPLATE_PARAMS(int, k),
AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]])) {
using internal::invoke_argument::InvokeArgumentAdl;
return InvokeArgumentAdl<return_type>(
internal::invoke_argument::AdlTag(),
::std::get<k>(args)$for j [[, p$j]]);
}
]]
// Various overloads for ReturnNew<T>().
//
// The ReturnNew<T>(a1, a2, ..., a_k) action returns a pointer to a new
// instance of type T, constructed on the heap with constructor arguments
// a1, a2, ..., and a_k. The caller assumes ownership of the returned value.
$range i 0..n
$for i [[
$range j 0..i-1
$var ps = [[$for j, [[p$j]]]]
ACTION_TEMPLATE(ReturnNew,
HAS_1_TEMPLATE_PARAMS(typename, T),
AND_$i[[]]_VALUE_PARAMS($ps)) {
return new T($ps);
}
]]
#ifdef _MSC_VER
# pragma warning(pop)
#endif
} // namespace testing
// Include any custom callback actions added by the local installation.
// We must include this header at the end to make sure it can use the
// declarations from this file.
#include "gmock/internal/custom/gmock-generated-actions.h"
#endif // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_ACTIONS_H_