Add weak_from_raw_test2.cpp.

test/Jamfile.v2

@@ -168,6 +168,8 @@ import testing ;
           [ run shared_from_raw_test4.cpp ]
           [ run shared_from_raw_test5.cpp ]
           [ run shared_from_raw_test6.cpp ]
+
           [ run weak_from_raw_test.cpp ]
+          [ run weak_from_raw_test2.cpp ]
         ;
 }

test/weak_from_raw_test2.cpp

@@ -0,0 +1,67 @@
+//
+//  weak_from_raw_test2.cpp
+//
+//  Test that weak_from_raw returns consistent values
+//  throughout the object lifetime
+//
+//  Copyright (c) 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/smart_ptr/enable_shared_from_raw.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+class X;
+
+static boost::weak_ptr< X > r_;
+
+void register_( boost::weak_ptr< X > const & r )
+{
+    r_ = r;
+}
+
+void check_( boost::weak_ptr< X > const & r )
+{
+    BOOST_TEST( !( r < r_ ) && !( r_ < r ) );
+}
+
+void unregister_( boost::weak_ptr< X > const & r )
+{
+    BOOST_TEST( !( r < r_ ) && !( r_ < r ) );
+    r_.reset();
+}
+
+class X: public boost::enable_shared_from_raw
+{
+public:
+
+    X()
+    {
+        register_( boost::shared_from_raw( this ) );
+    }
+
+    ~X()
+    {
+        unregister_( boost::weak_from_raw( this ) );
+    }
+
+    void check()
+    {
+        check_( boost::weak_from_raw( this ) );
+    }
+};
+
+int main()
+{
+    {
+        boost::shared_ptr< X > px( new X );
+        px->check();
+    }
+
+    return boost::report_errors();
+}