mirror of
https://github.com/boostorg/multi_array.git
synced 2025-05-11 05:13:53 +00:00
56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
//
|
|
// fail_cview3.cpp
|
|
// ensure const_array_ref doesn't allow assignment.
|
|
//
|
|
|
|
#include "boost/multi_array.hpp"
|
|
|
|
#define BOOST_INCLUDE_MAIN
|
|
#include "boost/test/test_tools.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)]];
|
|
|
|
for (array::index i = 0; i != 2; ++i)
|
|
for (array::index j = 0; j != 2; ++j)
|
|
for (array::index k = 0; k != 2; ++k)
|
|
// FAIL! csma2 cannot be assigned to.
|
|
csma2[i][j][k] = 0;
|
|
|
|
return boost::exit_success;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|