ceph/src/boost/libs/multi_array/test/fail_csubarray.cpp

   1 // Copyright 2002 The Trustees of Indiana University.
   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 //  Boost.MultiArray Library
   8 //  Authors: Ronald Garcia
   9 //           Jeremy Siek
  10 //           Andrew Lumsdaine
  11 //  See http://www.boost.org/libs/multi_array for documentation.
  12
  13 //
  14 // fail_csubarray.cpp -
  15 //   Testing subarray and const_subarray assignment
  16 //
  17
  18 #include <boost/multi_array.hpp>
  19
  20 #include <boost/core/lightweight_test.hpp>
  21
  22 #include <boost/array.hpp>
  23
  24 int
  25 main()
  26 {
  27   const int ndims=3;
  28   typedef boost::multi_array<int,ndims> array;
  29
  30   boost::array<array::size_type,ndims> sma_dims = {{2,3,4}};
  31   array sma(sma_dims);
  32
  33   int num = 0;
  34   for (array::index i = 0; i != 2; ++i)
  35     for (array::index j = 0; j != 3; ++j)
  36       for (array::index k = 0; k != 4; ++k)
  37         sma[i][j][k] = num++;
  38
  39
  40   array::const_subarray<ndims-1>::type csba = sma[0];
  41
  42   // FAIL! Preserve constness (no const_subarray -> subarray conversion).
  43   array::subarray<ndims-1>::type sba = csba;
  44
  45   return boost::report_errors();
  46 }