mdd/thirdparty/googletest/googlemock/include/gmock/gmock-generated-actions.h.pump

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$$ gmock-generated-actions.h.
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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,
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// 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"

$range i 0..n
$range k 0..n-1


// 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 <GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>\
      return_type gmock_PerformImpl(GMOCK_ACTION_ARG_TYPES_AND_NAMES_) const;\
      GMOCK_INTERNAL_DEFN_##value_params\
    };\
    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\
  };\
  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 <GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>\
  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


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.

$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$j]])) {
  using internal::invoke_argument::InvokeArgumentAdl;
  return InvokeArgumentAdl(internal::invoke_argument::AdlTag(),
                           ::std::get<k>(args)$for j[[, p$j]]);
}

]]

#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_