Add test for return_value_policy

Author: virtuald

robotpy_build/autowrap/cxxparser.py

@@ -113,13 +113,13 @@ def _gen_int_types():
 
 
 _rvp_map = {
-    ReturnValuePolicy.TAKE_OWNERSHIP: ", py::return_value_policy::take_ownership",
-    ReturnValuePolicy.COPY: ", py::return_value_policy::copy",
-    ReturnValuePolicy.MOVE: ", py::return_value_policy::move",
-    ReturnValuePolicy.REFERENCE: ", py::return_value_policy::reference",
-    ReturnValuePolicy.REFERENCE_INTERNAL: ", py::return_value_policy::reference_internal",
+    ReturnValuePolicy.TAKE_OWNERSHIP: "py::return_value_policy::take_ownership",
+    ReturnValuePolicy.COPY: "py::return_value_policy::copy",
+    ReturnValuePolicy.MOVE: "py::return_value_policy::move",
+    ReturnValuePolicy.REFERENCE: "py::return_value_policy::reference",
+    ReturnValuePolicy.REFERENCE_INTERNAL: "py::return_value_policy::reference_internal",
     ReturnValuePolicy.AUTOMATIC: "",
-    ReturnValuePolicy.AUTOMATIC_REFERENCE: ", py::return_value_policy::automatic_reference",
+    ReturnValuePolicy.AUTOMATIC_REFERENCE: "py::return_value_policy::automatic_reference",
 }
 
 # fmt: off

tests/cpp/gen/ft/nested.yml

@@ -2,6 +2,8 @@ classes:
   OuterNested:
     methods:
       OuterNested:
+      getInner:
+        return_value_policy: reference_internal
   OuterNested::InnerNested:
     methods:
       fn:

tests/cpp/rpytest/ft/include/nested.h

@@ -14,9 +14,14 @@ struct OuterNested {
     // bug where InnerNested needs to be in binding scope
     OuterNested(std::vector<InnerNested> i) {}
 
+    InnerNested &getInner() {
+        return in;
+    }
+
 private:
 
     // lol bug
     struct InnerPrivate {};
-
+    
+    InnerNested in;
 };