1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
// 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.
//
// range1.cpp - test of index_range
//
#include "boost/multi_array/index_range.hpp"
#include "boost/test/minimal.hpp"
#include "boost/array.hpp"
#include <cstddef>
int
test_main(int,char*[])
{
typedef boost::detail::multi_array::index_range<int,std::size_t> range;
{
// typical range creation and extraction
range r1(-3,5);
BOOST_CHECK(r1.start() == -3);
BOOST_CHECK(r1.finish() == 5);
BOOST_CHECK(r1.stride() == 1);
BOOST_CHECK(!r1.is_degenerate());
BOOST_CHECK(r1.get_start(0) == -3);
BOOST_CHECK(r1.get_finish(100) == 5);
}
{
range r2(-3,5,2);
BOOST_CHECK(r2.start() == -3);
BOOST_CHECK(r2.finish() == 5);
BOOST_CHECK(r2.stride() == 2);
BOOST_CHECK(!r2.is_degenerate());
}
{
// degenerate creation
range r3(5);
BOOST_CHECK(r3.start() == 5);
BOOST_CHECK(r3.finish() == 6);
BOOST_CHECK(r3.stride() == 1);
BOOST_CHECK(r3.is_degenerate());
}
{
// default range creation
range r4;
BOOST_CHECK(r4.get_start(0) == 0);
BOOST_CHECK(r4.get_finish(100) == 100);
BOOST_CHECK(r4.stride() == 1);
}
{
// create a range using the setter methods
range r5 = range().stride(2).start(-3).finish(7);
BOOST_CHECK(r5.start() == -3);
BOOST_CHECK(r5.stride() == 2);
BOOST_CHECK(r5.finish() == 7);
}
// try out all the comparison operators
{
range r6 = -3 <= range().stride(2) < 7;
BOOST_CHECK(r6.start() == -3);
BOOST_CHECK(r6.stride() == 2);
BOOST_CHECK(r6.finish() == 7);
}
{
range r7 = -3 < range() <= 7;
BOOST_CHECK(r7.start() == -2);
BOOST_CHECK(r7.stride() == 1);
BOOST_CHECK(r7.finish() == 8);
}
// arithmetic operators
{
range r8 = range(0,5) + 2;
BOOST_CHECK(r8.start() == 2);
BOOST_CHECK(r8.stride() == 1);
BOOST_CHECK(r8.finish() == 7);
}
{
range r9 = range(0,5) - 2;
BOOST_CHECK(r9.start() == -2);
BOOST_CHECK(r9.stride() == 1);
BOOST_CHECK(r9.finish() == 3);
}
return boost::exit_success;
}
|
