Ticket #2839: variant-test.diff

libs/variant/test/Jamfile.v2

@@ -27 +27 @@
     [ run variant_reference_test.cpp ]
     [ run variant_comparison_test.cpp ]
     [ run variant_visit_test.cpp ]
+    [ run test-swap.cpp ]
    ; 

libs/variant/test/test-swap.cpp

@@ +1 @@
+//-----------------------------------------------------------------------------
+// boost-libs variant/test/test-swap.cpp source file
+// See http://www.boost.org for updates, documentation, and revision history.
+//-----------------------------------------------------------------------------
+//
+// Copyright (c) 2009 ArtVPS Ltd.
+//
+// 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/test/minimal.hpp"
+#include "boost/variant.hpp"
+
+#include <vector>
+
+void run()
+{
+
+   using boost::apply_visitor;
+   using boost::variant;
+   using std::cout;
+   using std::endl;
+
+   typedef variant< int, std::vector<int>* > t_var;
+
+   std::vector<int> vec;
+   t_var v0(23), v1(&vec);
+
+   BOOST_REQUIRE(v0.which() == 0);
+   BOOST_REQUIRE(v1.which() == 1);
+
+   swap(v0, v1);
+
+   BOOST_CHECK(v0.which() == 1);
+   BOOST_CHECK(v1.which() == 0);
+}
+
+
+
+int test_main(int , char* [])
+{
+   run();
+   return 0;
+}