Initial commit

libs/smart_ptr/test/shared_ptr_alloc3_test.cpp

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+#include <boost/config.hpp>
+
+//  shared_ptr_alloc3_test.cpp
+//
+//  Copyright (c) 2005, 2014 Peter Dimov
+//
+//  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/detail/lightweight_test.hpp>
+#include <boost/shared_ptr.hpp>
+#include <memory>
+#include <cstddef>
+
+//
+
+struct D;
+
+struct X
+{
+    static int instances;
+
+    X(): deleted_( false )
+    {
+        ++instances;
+    }
+
+    ~X()
+    {
+        BOOST_TEST( deleted_ );
+        --instances;
+    }
+
+private:
+
+    friend struct D;
+
+    bool deleted_;
+
+    X( X const & );
+    X & operator=( X const & );
+};
+
+int X::instances = 0;
+
+struct D
+{
+    void operator()( X * px ) const
+    {
+        px->deleted_ = true;
+        delete px;
+    }
+};
+
+int main()
+{
+    BOOST_TEST( X::instances == 0 );
+
+    boost::shared_ptr<void> pv( new X, D(), std::allocator<X>() );
+
+    BOOST_TEST( X::instances == 1 );
+
+    pv.reset();
+
+    BOOST_TEST( X::instances == 0 );
+
+    pv.reset( new X, D(), std::allocator<void>() );
+
+    BOOST_TEST( X::instances == 1 );
+
+    pv.reset();
+
+    BOOST_TEST( X::instances == 0 );
+
+    return boost::report_errors();
+}