Pick up missing smart_ptr, utility, and type_traits files from full merge from trunk at revision 41356 of entire boost-root tree.

[SVN r41386]
2007-11-25 22:34:55 +00:00
parent dba6ebbb01
commit 60ae24f4ae
6 changed files with 471 additions and 0 deletions
@@ -0,0 +1,110 @@
+//
+//  shared_ptr_rv_test.cpp
+//
+//  Copyright (c) 2007 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/shared_ptr.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+struct X
+{
+    static long instances;
+
+    X()
+    {
+        ++instances;
+    }
+
+    ~X()
+    {
+        --instances;
+    }
+
+    static boost::shared_ptr<X> create()
+    {
+        return boost::shared_ptr<X>( new X );
+    }
+
+private:
+
+    X( X const & );
+    X & operator=( X const & );
+};
+
+long X::instances = 0;
+
+int main()
+{
+    BOOST_TEST( X::instances == 0 );
+
+    {
+        boost::shared_ptr<X> p( X::create() );
+        BOOST_TEST( X::instances == 1 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+
+        p.reset();
+        BOOST_TEST( X::instances == 0 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+    }
+
+    BOOST_TEST( X::instances == 0 );
+
+    {
+        boost::shared_ptr<X const> p( X::create() );
+        BOOST_TEST( X::instances == 1 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+
+        p.reset();
+        BOOST_TEST( X::instances == 0 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+    }
+
+    BOOST_TEST( X::instances == 0 );
+
+    {
+        boost::shared_ptr<void> p( X::create() );
+        BOOST_TEST( X::instances == 1 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+
+        p.reset();
+        BOOST_TEST( X::instances == 0 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+    }
+
+    BOOST_TEST( X::instances == 0 );
+
+    {
+        boost::shared_ptr<void const> p( X::create() );
+        BOOST_TEST( X::instances == 1 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+
+        p.reset();
+        BOOST_TEST( X::instances == 0 );
+
+        p = X::create();
+        BOOST_TEST( X::instances == 1 );
+    }
+
+    BOOST_TEST( X::instances == 0 );
+
+    return boost::report_errors();
+}