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>
---
 .../libs/serialization/test/test_void_cast.cpp     | 165 +++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 src/boost/libs/serialization/test/test_void_cast.cpp

(limited to 'src/boost/libs/serialization/test/test_void_cast.cpp')

diff --git a/src/boost/libs/serialization/test/test_void_cast.cpp b/src/boost/libs/serialization/test/test_void_cast.cpp
new file mode 100644
index 000000000..1538ab2b0
--- /dev/null
+++ b/src/boost/libs/serialization/test/test_void_cast.cpp
@@ -0,0 +1,165 @@
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// test_void_cast.cpp: test implementation of run-time casting of void pointers
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
+// Use, modification and distribution is subject to 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)
+// <gennadiy.rozental@tfn.com>
+
+#include <cstddef> // NULL
+#include "test_tools.hpp"
+#include <boost/serialization/extended_type_info_typeid.hpp>
+#include <boost/serialization/void_cast.hpp>
+#include <boost/serialization/singleton.hpp>
+
+class Base1
+{
+    char a;
+};
+
+class Base2
+{
+    int b;
+};
+
+class Derived : public Base1, public Base2
+{
+    long c;
+};
+
+class MostDerived : public Derived
+{
+    char d[32];
+};
+
+template<class T>
+const boost::serialization::extended_type_info & eti(){
+    return boost::serialization::singleton<
+        boost::serialization::extended_type_info_typeid< T >
+    >::get_const_instance();
+}
+
+int
+test_main( int /* argc */, char* /* argv */[] )
+{
+    MostDerived md;
+    MostDerived* pmd =& md;
+    Derived* pd = static_cast<Derived*>(pmd);
+
+    Base2* pb2 = static_cast<Base2*>(pmd);
+    Base1* pb1 = static_cast<Base1*>(pd);
+
+    void* vpmd = static_cast<void*>(pmd);
+    void* vpb1 = static_cast<void*>(pb1);
+    void* vpb2 = static_cast<void*>(pb2);
+    void* vpd = static_cast<void*>(pd);
+
+    // simple casts only requiring table lookup
+    BOOST_CHECK(vpd == boost::serialization::void_downcast(
+        eti<Derived>(),
+        eti<Base1>(),
+        vpb1
+    ));
+    BOOST_CHECK(vpb1 == boost::serialization::void_upcast(
+        eti<Derived>(),
+        eti<Base1>(),
+        vpd
+    ));
+    BOOST_CHECK(vpd == boost::serialization::void_downcast(
+        eti<Derived>(),
+        eti<Base2>(),
+        vpb2
+    ));
+    BOOST_CHECK(vpb2 == boost::serialization::void_upcast(
+        eti<Derived>(),
+        eti<Base2>(),
+        vpd
+    ));
+    BOOST_CHECK(vpmd == boost::serialization::void_downcast(
+        eti<MostDerived>(),
+        eti<Derived>(),
+        vpd
+    ));
+    BOOST_CHECK(vpd == boost::serialization::void_upcast(
+        eti<MostDerived>(),
+        eti<Derived>(),
+        vpmd
+    ));
+    // note relationship between MostDerived and Base1 is automatically derived
+    BOOST_CHECK(vpmd == boost::serialization::void_downcast(
+        eti<MostDerived>(),
+        eti<Base1>(),
+        vpb1
+    ));
+    BOOST_CHECK(vpb1 == boost::serialization::void_upcast(
+        eti<MostDerived>(),
+        eti<Base1>(),
+        vpmd
+    ));
+
+    // note relationship between MostDerived and Base2 is automatically derived
+    BOOST_CHECK(vpmd == boost::serialization::void_downcast(
+        eti<MostDerived>(),
+        eti<Base2>(),
+        vpb2
+    ));
+    BOOST_CHECK(vpb2 == boost::serialization::void_upcast(
+        eti<MostDerived>(),
+        eti<Base2>(),
+        vpmd
+    ));
+
+    // note: currently derivations are not optimised.  See void_cast.cpp
+    // for and explanation.  These should still work though.
+
+    // need to double check to validate speed up optimization of derivations
+    BOOST_CHECK(vpmd == boost::serialization::void_downcast(
+        eti<MostDerived>(),
+        eti<Base1>(),
+        vpb1
+    ));
+    BOOST_CHECK(vpb1 == boost::serialization::void_upcast(
+        eti<MostDerived>(),
+        eti<Base1>(),
+        vpmd
+    ));
+    BOOST_CHECK(vpmd == boost::serialization::void_downcast(
+        eti<MostDerived>(),
+        eti<Base2>(),
+        vpb2
+    ));
+    BOOST_CHECK(vpb2 == boost::serialization::void_upcast(
+        eti<MostDerived>(),
+        eti<Base2>(),
+        vpmd
+    ));
+
+    // check things that should fail
+    BOOST_CHECK(NULL == boost::serialization::void_downcast(
+        eti<Base2>(),
+        eti<Base1>(),
+        vpb1
+    ));
+
+    // note that a fundamental feature is that derived/base pairs are created
+    // at compiler time so that all are registered before the main program starts
+    // so leave the registration here at the end to verify this. Note bogus arguments
+    // to workaround msvc 6 bug
+    boost::serialization::void_cast_register<Derived, Base1>(
+        static_cast<Derived *>(NULL),
+        static_cast<Base1 *>(NULL)
+    );
+    boost::serialization::void_cast_register<Derived, Base2>(
+        static_cast<Derived *>(NULL),
+        static_cast<Base2 *>(NULL)
+    );
+    boost::serialization::void_cast_register<MostDerived, Derived>(
+        static_cast<MostDerived *>(NULL),
+        static_cast<Derived *>(NULL)
+    );
+
+    return EXIT_SUCCESS;
+}
+
+// EOF
-- 
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