mem_fn_dm_test added; removed an unconditional MW workaround in mem_fn

[SVN r27736]

include/boost/mem_fn.hpp

@@ -357,7 +357,7 @@ public:
         return call(u, &u);
     }
 
-#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) && !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
+#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) && !BOOST_WORKAROUND(__MWERKS__, < 0x3200)
 
     R & operator()(T & t) const
     {

test/Jamfile

@@ -31,5 +31,6 @@ DEPENDS all : bind ;
           [ run mem_fn_void_test.cpp ]
           [ run mem_fn_derived_test.cpp ]
           [ run mem_fn_eq_test.cpp ]
+          [ run mem_fn_dm_test.cpp ]
         ;
 }

test/Jamfile.v2

@@ -25,5 +25,5 @@ test-suite "bind"
       [ run mem_fn_void_test.cpp ]
       [ run mem_fn_derived_test.cpp ]
       [ run mem_fn_eq_test.cpp ]
+      [ run mem_fn_dm_test.cpp ]
     ;
-

test/mem_fn_dm_test.cpp

@@ -0,0 +1,67 @@
+#include <boost/config.hpp>
+
+#if defined(BOOST_MSVC)
+#pragma warning(disable: 4786)  // identifier truncated in debug info
+#pragma warning(disable: 4710)  // function not inlined
+#pragma warning(disable: 4711)  // function selected for automatic inline expansion
+#pragma warning(disable: 4514)  // unreferenced inline removed
+#endif
+
+//
+//  mem_fn_dm_test.cpp - data members
+//
+//  Copyright (c) 2005 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/mem_fn.hpp>
+
+#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
+#pragma warning(push, 3)
+#endif
+
+#include <iostream>
+
+#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
+#pragma warning(pop)
+#endif
+
+#include <boost/detail/lightweight_test.hpp>
+
+struct X
+{
+    int m;
+};
+
+int main()
+{
+    X x = { 0 };
+
+    boost::mem_fn( &X::m )( x ) = 401;
+
+    BOOST_TEST( x.m == 401 );
+    BOOST_TEST( boost::mem_fn( &X::m )( x ) == 401 );
+
+    boost::mem_fn( &X::m )( &x ) = 502;
+
+    BOOST_TEST( x.m == 502 );
+    BOOST_TEST( boost::mem_fn( &X::m )( &x ) == 502 );
+
+    X * px = &x;
+
+    boost::mem_fn( &X::m )( px ) = 603;
+
+    BOOST_TEST( x.m == 603 );
+    BOOST_TEST( boost::mem_fn( &X::m )( px ) == 603 );
+
+    X const & cx = x;
+    X const * pcx = &x;
+
+    BOOST_TEST( boost::mem_fn( &X::m )( cx ) == 603 );
+    BOOST_TEST( boost::mem_fn( &X::m )( pcx ) == 603 );
+
+    return boost::report_errors();
+}