Test and document binding protected member functions
diff --git a/tests/test_class.cpp b/tests/test_class.cpp
index 670949f..af7b0bf 100644
--- a/tests/test_class.cpp
+++ b/tests/test_class.cpp
@@ -229,6 +229,57 @@
// This test is actually part of test_local_bindings (test_duplicate_local), but we need a
// definition in a different compilation unit within the same module:
bind_local<LocalExternal, 17>(m, "LocalExternal", py::module_local());
+
+ // test_bind_protected_functions
+ class ProtectedA {
+ protected:
+ int foo() const { return value; }
+
+ private:
+ int value = 42;
+ };
+
+ class PublicistA : public ProtectedA {
+ public:
+ using ProtectedA::foo;
+ };
+
+ py::class_<ProtectedA>(m, "ProtectedA")
+ .def(py::init<>())
+#if !defined(_MSC_VER) || _MSC_VER >= 1910
+ .def("foo", &PublicistA::foo);
+#else
+ .def("foo", static_cast<int (ProtectedA::*)() const>(&PublicistA::foo));
+#endif
+
+ class ProtectedB {
+ public:
+ virtual ~ProtectedB() = default;
+
+ protected:
+ virtual int foo() const { return value; }
+
+ private:
+ int value = 42;
+ };
+
+ class TrampolineB : public ProtectedB {
+ public:
+ int foo() const override { PYBIND11_OVERLOAD(int, ProtectedB, foo, ); }
+ };
+
+ class PublicistB : public ProtectedB {
+ public:
+ using ProtectedB::foo;
+ };
+
+ py::class_<ProtectedB, TrampolineB>(m, "ProtectedB")
+ .def(py::init<>())
+#if !defined(_MSC_VER) || _MSC_VER >= 1910
+ .def("foo", &PublicistB::foo);
+#else
+ .def("foo", static_cast<int (ProtectedB::*)() const>(&PublicistB::foo));
+#endif
}
template <int N> class BreaksBase { public: virtual ~BreaksBase() = default; };