From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/boost/libs/python/test/polymorphism.cpp | 162 ++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 src/boost/libs/python/test/polymorphism.cpp

(limited to 'src/boost/libs/python/test/polymorphism.cpp')

diff --git a/src/boost/libs/python/test/polymorphism.cpp b/src/boost/libs/python/test/polymorphism.cpp
new file mode 100644
index 000000000..02713ae26
--- /dev/null
+++ b/src/boost/libs/python/test/polymorphism.cpp
@@ -0,0 +1,162 @@
+// Copyright David Abrahams 2002.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+#include <boost/python/module.hpp>
+#include <boost/python/class.hpp>
+#include <boost/python/return_value_policy.hpp>
+#include <boost/python/manage_new_object.hpp>
+#include <boost/python/reference_existing_object.hpp>
+#include <boost/python/call_method.hpp>
+#include <boost/python/pure_virtual.hpp>
+#include <boost/python/def.hpp>
+#include <boost/utility.hpp>
+
+using namespace boost::python;
+
+struct Callback
+{
+    Callback(PyObject* o) : mSelf(o) {}
+    PyObject* mSelf;
+};
+
+struct P
+{
+    virtual ~P(){}
+    virtual std::string f() = 0;
+    std::string g() { return "P::g()"; }
+};
+
+struct PCallback : P, Callback
+{
+    PCallback (PyObject* self) : Callback(self) {}
+    
+    std::string f()
+    {
+        return call_method<std::string>(mSelf, "f");
+    }
+};
+
+struct Q : virtual P
+{
+    std::string f() { return "Q::f()"; } 
+};
+
+struct A
+{
+    virtual ~A(){}
+    virtual std::string f() { return "A::f()"; }
+};
+
+struct ACallback :  A,  Callback
+{
+    ACallback (PyObject* self) : Callback(self) {}
+    
+    
+    std::string f()
+    {
+        return call_method<std::string>(mSelf, "f");
+    }
+    
+    std::string default_f()
+    {
+        return A::f();
+    }
+};
+
+struct B : A
+{
+    virtual std::string f() { return "B::f()"; } 
+};
+
+struct C : A
+{
+    virtual std::string f() { return "C::f()"; }
+};
+
+struct D : A
+{
+    virtual std::string f() { return "D::f()"; }
+    std::string g() { return "D::g()"; }
+};
+
+struct DCallback :  D,  Callback
+{
+    DCallback (PyObject* self) : Callback(self) {}
+     
+    std::string f()
+    {
+        return call_method<std::string>(mSelf, "f");
+    }
+    
+    std::string default_f()
+    {
+        return A::f();
+    }
+};
+
+    
+A& getBCppObj ()
+{
+    static B b;
+    return b;
+}
+
+std::string call_f(A& a) { return a.f(); }
+
+A* factory(unsigned choice)
+{
+    switch (choice % 3)
+    {
+    case 0: return new A;
+        break;
+    case 1: return new B;
+        break;
+    default: return new C;
+        break;
+    }
+}
+
+C& getCCppObj ()
+{
+    static C c;
+    return c;
+}
+
+A* pass_a(A* x) { return x; }
+
+BOOST_PYTHON_MODULE_INIT(polymorphism_ext)
+{
+    class_<A,boost::noncopyable,ACallback>("A")
+        .def("f", &A::f, &ACallback::default_f)
+        ;
+    
+    def("getBCppObj", getBCppObj, return_value_policy<reference_existing_object>());
+
+    class_<C,bases<A>,boost::noncopyable>("C")
+        .def("f", &C::f)
+        ;
+    
+    class_<D,bases<A>,DCallback,boost::noncopyable>("D")
+        .def("f", &D::f, &DCallback::default_f)
+        .def("g", &D::g)
+        ;
+
+    def("pass_a", &pass_a,  return_internal_reference<>());
+    
+    def("getCCppObj", getCCppObj, return_value_policy<reference_existing_object>());
+
+    def("factory", factory, return_value_policy<manage_new_object>());
+
+    def("call_f", call_f);
+
+    class_<P,boost::noncopyable,PCallback>("P")
+        .def("f", pure_virtual(&P::f))
+        ;
+
+    class_<Q, bases<P> >("Q")
+        .def("g", &P::g) // make sure virtual inheritance doesn't interfere
+        ;
+}
+
+//#include "module_tail.cpp"
-- 
cgit v1.2.3