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Use C++11 variadic templates for ActionHelper in gmock-generated-actions.h. Make ActionHelper use variadic templates to generate Perform static member function specializations instead of using pump.py syntax. PiperOrigin-RevId: 284988441
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Abseil Team
Matt Calabrese
parent
d442089d53
commit
d8eeb9760a
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@ -1184,6 +1184,46 @@ inline ::std::reference_wrapper<T> ByRef(T& l_value) { // NOLINT
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return ::std::reference_wrapper<T>(l_value);
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}
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namespace internal {
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// A macro from the ACTION* family (defined later in gmock-generated-actions.h)
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// defines an action that can be used in a mock function. Typically,
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// these actions only care about a subset of the arguments of the mock
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// function. For example, if such an action only uses the second
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// argument, it can be used in any mock function that takes >= 2
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// arguments where the type of the second argument is compatible.
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//
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// Therefore, the action implementation must be prepared to take more
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// arguments than it needs. The ExcessiveArg type is used to
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// represent those excessive arguments. In order to keep the compiler
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// error messages tractable, we define it in the testing namespace
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// instead of testing::internal. However, this is an INTERNAL TYPE
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// and subject to change without notice, so a user MUST NOT USE THIS
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// TYPE DIRECTLY.
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struct ExcessiveArg {};
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// A helper class needed for implementing the ACTION* macros.
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template <typename Result, class Impl>
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class ActionHelper {
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public:
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template <typename... Ts>
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static Result Perform(Impl* impl, const std::tuple<Ts...>& args) {
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return Apply(impl, args, MakeIndexSequence<sizeof...(Ts)>{},
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MakeIndexSequence<10 - sizeof...(Ts)>{});
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}
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private:
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template <typename... Ts, std::size_t... tuple_ids, std::size_t... rest_ids>
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static Result Apply(Impl* impl, const std::tuple<Ts...>& args,
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IndexSequence<tuple_ids...>, IndexSequence<rest_ids...>) {
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return impl->template gmock_PerformImpl<Ts...>(
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args, std::get<tuple_ids>(args)...,
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((void)rest_ids, ExcessiveArg())...);
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}
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};
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} // namespace internal
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} // namespace testing
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#ifdef _MSC_VER
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@ -47,133 +47,6 @@
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#include "gmock/gmock-actions.h"
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#include "gmock/internal/gmock-port.h"
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namespace testing {
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namespace internal {
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// A macro from the ACTION* family (defined later in this file)
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// defines an action that can be used in a mock function. Typically,
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// these actions only care about a subset of the arguments of the mock
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// function. For example, if such an action only uses the second
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// argument, it can be used in any mock function that takes >= 2
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// arguments where the type of the second argument is compatible.
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//
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// Therefore, the action implementation must be prepared to take more
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// arguments than it needs. The ExcessiveArg type is used to
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// represent those excessive arguments. In order to keep the compiler
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// error messages tractable, we define it in the testing namespace
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// instead of testing::internal. However, this is an INTERNAL TYPE
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// and subject to change without notice, so a user MUST NOT USE THIS
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// TYPE DIRECTLY.
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struct ExcessiveArg {};
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// A helper class needed for implementing the ACTION* macros.
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template <typename Result, class Impl>
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class ActionHelper {
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public:
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static Result Perform(Impl* impl, const ::std::tuple<>& args) {
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return impl->template gmock_PerformImpl<>(args, ExcessiveArg(),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg());
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}
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template <typename A0>
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static Result Perform(Impl* impl, const ::std::tuple<A0>& args) {
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return impl->template gmock_PerformImpl<A0>(args, std::get<0>(args),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg());
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}
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template <typename A0, typename A1>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1>& args) {
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return impl->template gmock_PerformImpl<A0, A1>(args, std::get<0>(args),
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std::get<1>(args), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2>(args,
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std::get<0>(args), std::get<1>(args), std::get<2>(args),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2, typename A3>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2, A3>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2, A3>(args,
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std::get<0>(args), std::get<1>(args), std::get<2>(args),
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std::get<3>(args), ExcessiveArg(), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2, typename A3, typename A4>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2, A3,
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A4>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2, A3, A4>(args,
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std::get<0>(args), std::get<1>(args), std::get<2>(args),
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std::get<3>(args), std::get<4>(args), ExcessiveArg(), ExcessiveArg(),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2, typename A3, typename A4,
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typename A5>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2, A3, A4,
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A5>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2, A3, A4, A5>(args,
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std::get<0>(args), std::get<1>(args), std::get<2>(args),
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std::get<3>(args), std::get<4>(args), std::get<5>(args),
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ExcessiveArg(), ExcessiveArg(), ExcessiveArg(), ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2, typename A3, typename A4,
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typename A5, typename A6>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2, A3, A4, A5,
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A6>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2, A3, A4, A5, A6>(args,
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std::get<0>(args), std::get<1>(args), std::get<2>(args),
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std::get<3>(args), std::get<4>(args), std::get<5>(args),
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std::get<6>(args), ExcessiveArg(), ExcessiveArg(), ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2, typename A3, typename A4,
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typename A5, typename A6, typename A7>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2, A3, A4, A5,
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A6, A7>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2, A3, A4, A5, A6,
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A7>(args, std::get<0>(args), std::get<1>(args), std::get<2>(args),
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std::get<3>(args), std::get<4>(args), std::get<5>(args),
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std::get<6>(args), std::get<7>(args), ExcessiveArg(), ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2, typename A3, typename A4,
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typename A5, typename A6, typename A7, typename A8>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2, A3, A4, A5,
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A6, A7, A8>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2, A3, A4, A5, A6, A7,
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A8>(args, std::get<0>(args), std::get<1>(args), std::get<2>(args),
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std::get<3>(args), std::get<4>(args), std::get<5>(args),
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std::get<6>(args), std::get<7>(args), std::get<8>(args),
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ExcessiveArg());
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}
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template <typename A0, typename A1, typename A2, typename A3, typename A4,
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typename A5, typename A6, typename A7, typename A8, typename A9>
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static Result Perform(Impl* impl, const ::std::tuple<A0, A1, A2, A3, A4, A5,
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A6, A7, A8, A9>& args) {
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return impl->template gmock_PerformImpl<A0, A1, A2, A3, A4, A5, A6, A7, A8,
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A9>(args, std::get<0>(args), std::get<1>(args), std::get<2>(args),
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std::get<3>(args), std::get<4>(args), std::get<5>(args),
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std::get<6>(args), std::get<7>(args), std::get<8>(args),
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std::get<9>(args));
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}
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};
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} // namespace internal
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} // namespace testing
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// The ACTION* family of macros can be used in a namespace scope to
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// define custom actions easily. The syntax:
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//
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@ -49,54 +49,6 @@ $$}} This meta comment fixes auto-indentation in editors.
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#include "gmock/gmock-actions.h"
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#include "gmock/internal/gmock-port.h"
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namespace testing {
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namespace internal {
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// A macro from the ACTION* family (defined later in this file)
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// defines an action that can be used in a mock function. Typically,
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// these actions only care about a subset of the arguments of the mock
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// function. For example, if such an action only uses the second
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// argument, it can be used in any mock function that takes >= 2
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// arguments where the type of the second argument is compatible.
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//
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// Therefore, the action implementation must be prepared to take more
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// arguments than it needs. The ExcessiveArg type is used to
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// represent those excessive arguments. In order to keep the compiler
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// error messages tractable, we define it in the testing namespace
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// instead of testing::internal. However, this is an INTERNAL TYPE
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// and subject to change without notice, so a user MUST NOT USE THIS
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// TYPE DIRECTLY.
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struct ExcessiveArg {};
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// A helper class needed for implementing the ACTION* macros.
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template <typename Result, class Impl>
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class ActionHelper {
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public:
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$range i 0..n
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$for i
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[[
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$var template = [[$if i==0 [[]] $else [[
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$range j 0..i-1
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template <$for j, [[typename A$j]]>
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]]]]
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$range j 0..i-1
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$var As = [[$for j, [[A$j]]]]
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$var as = [[$for j, [[std::get<$j>(args)]]]]
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$range k 1..n-i
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$var eas = [[$for k, [[ExcessiveArg()]]]]
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$var arg_list = [[$if (i==0) | (i==n) [[$as$eas]] $else [[$as, $eas]]]]
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$template
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static Result Perform(Impl* impl, const ::std::tuple<$As>& args) {
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return impl->template gmock_PerformImpl<$As>(args, $arg_list);
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}
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]]
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};
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} // namespace internal
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} // namespace testing
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// The ACTION* family of macros can be used in a namespace scope to
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// define custom actions easily. The syntax:
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//
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