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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_cview.cpp - | |
15 | // ensure const_array_view doesn't allow element assignment. | |
16 | // | |
17 | ||
18 | #include "boost/multi_array.hpp" | |
19 | ||
20 | #include "boost/test/minimal.hpp" | |
21 | ||
22 | #include "boost/array.hpp" | |
23 | #include "boost/type.hpp" | |
24 | ||
25 | int | |
26 | test_main(int,char*[]) | |
27 | { | |
28 | const int ndims=3; | |
29 | typedef boost::multi_array<int,ndims> array; | |
30 | ||
31 | boost::array<array::size_type,ndims> sma_dims = {{2,3,4}}; | |
32 | ||
33 | int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13, | |
34 | 14,15,16,17,18,19,20,21,22,23}; | |
35 | const int data_size = 24; | |
36 | ||
37 | array sma(sma_dims); | |
38 | sma.assign(data,data+data_size); | |
39 | ||
40 | // | |
41 | // subarray dims: | |
42 | // [base,stride,bound) | |
43 | // [0,1,2), [1,1,3), [0,2,4) | |
44 | // | |
45 | ||
46 | const array& csma = sma; | |
47 | typedef array::index_range range; | |
48 | array::index_gen indices; | |
49 | array::const_array_view<ndims>::type csma2 = | |
50 | csma[indices[range(0,2)][range(1,3)][range(0,4,2)]]; | |
51 | ||
52 | boost::array<array::index,3> elmt = {{0,0,0}}; | |
53 | ||
54 | // FAIL! const_array_view cannot be assigned to. | |
55 | csma2(elmt) = 5; | |
56 | ||
57 | return boost::exit_success; | |
58 | } | |
59 | ||
60 | ||
61 | ||
62 | ||
63 | ||
64 | ||
65 |