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_csubarray3.cpp 15 // Testing constness of subarray operations. 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 main()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 const array& sma_const = sma; 40 41 array::const_subarray<ndims-1>::type sba = sma_const[0]; 42 43 for (array::index j = 0; j != 3; ++j) 44 for (array::index k = 0; k != 4; ++k) 45 // FAIL! sba cannot be assigned to. 46 sba[j][k] = num++; 47 48 return boost::report_errors(); 49 } 50