Googletest export

Fix DoAll to work with move-only sink arguments.

This changes types of the first n - 1 actions so that they only get a readonly
view of the arguments. The last action will accept move only objects.

PiperOrigin-RevId: 327031893

1 files changed, 14 insertions, 9 deletions

diff --git a/googlemock/include/gmock/gmock-actions.h b/googlemock/include/gmock/gmock-actions.h
index 79054dbc..3aba9ec0 100644
--- a/googlemock/include/gmock/gmock-actions.h
+++ b/googlemock/include/gmock/gmock-actions.h
@@ -1032,9 +1032,13 @@ struct WithArgsAction {
 template <typename... Actions>
 struct DoAllAction {
  private:
-  template <typename... Args, size_t... I>
-  std::vector<Action<void(Args...)>> Convert(IndexSequence<I...>) const {
-    return {std::get<I>(actions)...};
+  template <typename T>
+  using NonFinalType =
+      typename std::conditional<std::is_scalar<T>::value, T, const T&>::type;
+
+  template <typename ActionT, size_t... I>
+  std::vector<ActionT> Convert(IndexSequence<I...>) const {
+    return {ActionT(std::get<I>(actions))...};
   }
 
  public:
@@ -1043,17 +1047,17 @@ struct DoAllAction {
   template <typename R, typename... Args>
   operator Action<R(Args...)>() const {  // NOLINT
     struct Op {
-      std::vector<Action<void(Args...)>> converted;
+      std::vector<Action<void(NonFinalType<Args>...)>> converted;
       Action<R(Args...)> last;
       R operator()(Args... args) const {
-        auto tuple_args = std::forward_as_tuple(std::forward<Args>(args)...);
         for (auto& a : converted) {
-          a.Perform(tuple_args);
+          a.Perform(std::forward_as_tuple(std::forward<Args>(args)...));
         }
-        return last.Perform(tuple_args);
+        return last.Perform(std::forward_as_tuple(std::forward<Args>(args)...));
       }
     };
-    return Op{Convert<Args...>(MakeIndexSequence<sizeof...(Actions) - 1>()),
+    return Op{Convert<Action<void(NonFinalType<Args>...)>>(
+                  MakeIndexSequence<sizeof...(Actions) - 1>()),
               std::get<sizeof...(Actions) - 1>(actions)};
   }
 };
@@ -1093,7 +1097,8 @@ struct DoAllAction {
 typedef internal::IgnoredValue Unused;
 
 // Creates an action that does actions a1, a2, ..., sequentially in
-// each invocation.
+// each invocation. All but the last action will have a readonly view of the
+// arguments.
 template <typename... Action>
 internal::DoAllAction<typename std::decay<Action>::type...> DoAll(
     Action&&... action) {