ceph/src/boost/libs/optional/test/optional_test_fail1.cpp

   1 // Copyright (C) 2003, Fernando Luis Cacciola Carballal.
   2 //
   3 // Use, modification, and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/lib/optional for documentation.
   8 //
   9 // You are welcome to contact the author at:
  10 //  fernando_cacciola@hotmail.com
  11 //
  12 #include "boost/optional.hpp"
  13
  14 //
  15 // THIS TEST SHOULD FAIL TO COMPILE
  16 //
  17 void test_deep_constantness()
  18 {
  19   boost::optional<int> opt ;
  20   boost::optional<int> const copt ;
  21
  22   *copt = opt ; // Cannot assign to "int const&"
  23 }
  24
  25