Add get_pointer_test.

test/get_pointer_test.cpp

@@ -0,0 +1,50 @@
+//
+// get_pointer_test.cpp
+//
+// Copyright 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/get_pointer.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <memory>
+
+struct X
+{
+};
+
+int main()
+{
+    using boost::get_pointer;
+
+    {
+        X * p = new X;
+        BOOST_TEST( get_pointer( p ) == p );
+
+        delete p;
+    }
+
+    {
+        std::auto_ptr< X > p( new X );
+        BOOST_TEST( get_pointer( p ) == p.get() );
+    }
+
+#if !defined( BOOST_NO_CXX11_SMART_PTR )
+
+    {
+        std::unique_ptr< X > p( new X );
+        BOOST_TEST( get_pointer( p ) == p.get() );
+    }
+
+    {
+        std::shared_ptr< X > p( new X );
+        BOOST_TEST( get_pointer( p ) == p.get() );
+    }
+
+#endif
+
+    return boost::report_errors();
+}