libs/multi_array/test/fail_cview.cpp
// Copyright 2002 The Trustees of Indiana University.
// Use, modification and distribution is subject to 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)
// Boost.MultiArray Library
// Authors: Ronald Garcia
// Jeremy Siek
// Andrew Lumsdaine
// See http://www.boost.org/libs/multi_array for documentation.
//
// fail_cview.cpp -
// ensure const_array_view doesn't allow element assignment.
//
#include "boost/multi_array.hpp"
#include "boost/test/minimal.hpp"
#include "boost/array.hpp"
#include "boost/type.hpp"
int
test_main(int,char*[])
{
const int ndims=3;
typedef boost::multi_array<int,ndims> array;
boost::array<array::size_type,ndims> sma_dims = {{2,3,4}};
int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,
14,15,16,17,18,19,20,21,22,23};
const int data_size = 24;
array sma(sma_dims);
sma.assign(data,data+data_size);
//
// subarray dims:
// [base,stride,bound)
// [0,1,2), [1,1,3), [0,2,4)
//
const array& csma = sma;
typedef array::index_range range;
array::index_gen indices;
array::const_array_view<ndims>::type csma2 =
csma[indices[range(0,2)][range(1,3)][range(0,4,2)]];
boost::array<array::index,3> elmt = {{0,0,0}};
// FAIL! const_array_view cannot be assigned to.
csma2(elmt) = 5;
return boost::exit_success;
}