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55 lines
1.0 KiB
C++
55 lines
1.0 KiB
C++
//
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// fail_cview.cpp -
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// ensure const_array_view doesn't allow element assignment.
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//
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#include "boost/multi_array.hpp"
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#define BOOST_INCLUDE_MAIN
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#include "boost/test/test_tools.hpp"
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#include "boost/array.hpp"
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#include "boost/type.hpp"
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int
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test_main(int,char*[])
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{
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const int ndims=3;
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typedef boost::multi_array<int,ndims> array;
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boost::array<array::size_type,ndims> sma_dims = {{2,3,4}};
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int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,
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14,15,16,17,18,19,20,21,22,23};
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const int data_size = 24;
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array sma(sma_dims);
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sma.assign(data,data+data_size);
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//
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// subarray dims:
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// [base,stride,bound)
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// [0,1,2), [1,1,3), [0,2,4)
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//
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const array& csma = sma;
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typedef array::index_range range;
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array::index_gen indices;
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array::const_array_view<ndims>::type csma2 =
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csma[indices[range(0,2)][range(1,3)][range(0,4,2)]];
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boost::array<array::index,3> elmt = {{0,0,0}};
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// FAIL! const_array_view cannot be assigned to.
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csma2(elmt) = 5;
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return boost::exit_success;
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}
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