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
|
// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// 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)
//
// Project home: https://github.com/ericniebler/range-v3
#include <string>
#include <sstream>
#include <vector>
#include <range/v3/core.hpp>
#include <range/v3/view/istream.hpp>
#include <range/v3/functional/reference_wrapper.hpp>
#include <range/v3/utility/copy.hpp>
#include <range/v3/view/iota.hpp>
#include <range/v3/view/replace.hpp>
#include <range/v3/view/common.hpp>
#include <range/v3/view/take.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
int main()
{
using namespace ranges;
std::string str{"1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 "};
std::stringstream sin{str};
{
auto rng = istream<int>(sin) | views::replace(1, 42);
CPP_assert(same_as<range_value_t<decltype((rng))>, int>);
has_type<int const &>(*begin(rng));
CPP_assert(view_<decltype(rng)>);
CPP_assert(!sized_range<decltype(rng)>);
CPP_assert(!common_range<decltype(rng)>);
CPP_assert(input_iterator<decltype(begin(rng))>);
CPP_assert(!forward_iterator<decltype(begin(rng))>);
auto tmp = rng | views::common;
CPP_assert(same_as<range_value_t<decltype((tmp))>, int>);
has_type<int const &>(*begin(tmp));
CPP_assert(view_<decltype(tmp)>);
CPP_assert(common_range<decltype(tmp)>);
CPP_assert(!sized_range<decltype(tmp)>);
CPP_assert(input_iterator<decltype(begin(tmp))>);
CPP_assert(!forward_iterator<decltype(begin(tmp))>);
std::vector<int> actual{begin(tmp), end(tmp)};
::check_equal(actual, {42, 2, 3, 4, 5, 6, 7, 8, 9, 42, 2, 3, 4, 5, 6, 7, 8, 9, 42, 2, 3, 4, 5, 6, 7, 8, 9});
}
std::vector<int> rgi{1,2,3,4,5,6,7,8,9};
{
auto rng2 = rgi | views::replace(5, 42);
CPP_assert(same_as<range_value_t<decltype((rng2))>, int>);
has_type<int const &>(*begin(rng2));
has_type<int const &>(iter_move(begin(rng2)));
CPP_assert(view_<decltype(rng2)>);
CPP_assert(sized_range<decltype(rng2)>);
CPP_assert(common_range<decltype(rng2)>);
CPP_assert(random_access_iterator<decltype(begin(rng2))>);
::check_equal(rng2, {1,2,3,4,42,6,7,8,9});
}
{
int forty_two = 42;
auto rng3 = rgi | views::replace(5, ref(forty_two));
CPP_assert(same_as<range_value_t<decltype((rng3))>, int>);
has_type<int &>(*begin(rng3));
has_type<int const &>(iter_move(begin(rng3)));
CPP_assert(view_<decltype(rng3)>);
CPP_assert(sized_range<decltype(rng3)>);
CPP_assert(common_range<decltype(rng3)>);
CPP_assert(random_access_iterator<decltype(begin(rng3))>);
::check_equal(rng3, {1,2,3,4,42,6,7,8,9});
}
{
auto rng4 = views::ints | views::replace(5,42) | views::take(10);
CPP_assert(same_as<range_value_t<decltype((rng4))>, int>);
has_type<int>(*begin(rng4));
has_type<int>(iter_move(begin(rng4)));
CPP_assert(view_<decltype(rng4)>);
CPP_assert(sized_range<decltype(rng4)>);
CPP_assert(!common_range<decltype(rng4)>);
CPP_assert(random_access_iterator<decltype(begin(rng4))>);
::check_equal(rng4, {0,1,2,3,4,42,6,7,8,9});
}
{
int const some_ints[] = {1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9};
auto rng = debug_input_view<int const>{some_ints} | views::replace(1, 42);
::check_equal(rng, {42,2,3,4,5,6,7,8,9,42,2,3,4,5,6,7,8,9,42,2,3,4,5,6,7,8,9});
}
return test_result();
}
|
