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1 | // Copyright 2015-2019 Hans Dembinski |
2 | // | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | // (See accompanying file LICENSE_1_0.txt | |
5 | // or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
20effc67 | 7 | #include <algorithm> |
92f5a8d4 TL |
8 | #include <boost/core/lightweight_test.hpp> |
9 | #include <boost/core/lightweight_test_trait.hpp> | |
10 | #include <boost/histogram/accumulators/weighted_sum.hpp> | |
20effc67 | 11 | #include <boost/histogram/axis/integer.hpp> |
92f5a8d4 TL |
12 | #include <boost/histogram/detail/common_type.hpp> |
13 | #include <boost/histogram/detail/counting_streambuf.hpp> | |
20effc67 TL |
14 | #include <boost/histogram/detail/index_translator.hpp> |
15 | #include <boost/histogram/detail/nonmember_container_access.hpp> | |
16 | #include <boost/histogram/detail/span.hpp> | |
17 | #include <boost/histogram/detail/sub_array.hpp> | |
92f5a8d4 TL |
18 | #include <boost/histogram/fwd.hpp> |
19 | #include <boost/histogram/literals.hpp> | |
20 | #include <boost/histogram/storage_adaptor.hpp> | |
21 | #include <boost/histogram/unlimited_storage.hpp> | |
20effc67 | 22 | #include <iostream> |
92f5a8d4 TL |
23 | #include <ostream> |
24 | #include "std_ostream.hpp" | |
20effc67 TL |
25 | #include "throw_exception.hpp" |
26 | ||
27 | namespace boost { | |
28 | namespace histogram { | |
29 | template <std::size_t N> | |
30 | std::ostream& operator<<(std::ostream& os, const multi_index<N>& mi) { | |
31 | os << "("; | |
32 | bool first = true; | |
33 | for (auto&& x : mi) { | |
34 | if (!first) | |
35 | os << " "; | |
36 | else | |
37 | first = false; | |
38 | os << x << ", "; | |
39 | } | |
40 | os << ")"; | |
41 | return os; | |
42 | } | |
43 | ||
44 | template <std::size_t N, std::size_t M> | |
45 | bool operator==(const multi_index<N>& a, const multi_index<M>& b) { | |
46 | return std::equal(a.begin(), a.end(), b.begin(), b.end()); | |
47 | } | |
48 | } // namespace histogram | |
49 | } // namespace boost | |
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50 | |
51 | using namespace boost::histogram; | |
52 | using namespace boost::histogram::literals; | |
53 | namespace dtl = boost::histogram::detail; | |
54 | ||
55 | int main() { | |
56 | // literals | |
57 | { | |
58 | BOOST_TEST_TRAIT_SAME(std::integral_constant<unsigned, 0>, decltype(0_c)); | |
59 | BOOST_TEST_TRAIT_SAME(std::integral_constant<unsigned, 3>, decltype(3_c)); | |
60 | BOOST_TEST_EQ(decltype(10_c)::value, 10); | |
61 | BOOST_TEST_EQ(decltype(213_c)::value, 213); | |
62 | } | |
63 | ||
64 | // common_storage | |
65 | { | |
66 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<unlimited_storage<>, unlimited_storage<>>, | |
67 | unlimited_storage<>); | |
68 | BOOST_TEST_TRAIT_SAME( | |
69 | dtl::common_storage<dense_storage<double>, dense_storage<double>>, | |
70 | dense_storage<double>); | |
71 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<int>, dense_storage<double>>, | |
72 | dense_storage<double>); | |
73 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, dense_storage<int>>, | |
74 | dense_storage<double>); | |
75 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, unlimited_storage<>>, | |
76 | dense_storage<double>); | |
77 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<int>, unlimited_storage<>>, | |
78 | unlimited_storage<>); | |
79 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, weight_storage>, | |
80 | weight_storage); | |
81 | } | |
82 | ||
83 | // size & data | |
84 | { | |
85 | char a[4] = {1, 2, 3, 4}; | |
86 | BOOST_TEST_EQ(dtl::size(a), 4u); | |
87 | BOOST_TEST_EQ(dtl::data(a), a); | |
88 | auto b = {1, 2}; | |
89 | BOOST_TEST_EQ(dtl::size(b), 2u); | |
90 | BOOST_TEST_EQ(dtl::data(b), b.begin()); | |
91 | struct C { | |
92 | unsigned size() const { return 3; } | |
93 | int* data() { return buf; } | |
94 | const int* data() const { return buf; } | |
95 | int buf[1]; | |
96 | } c; | |
97 | BOOST_TEST_EQ(dtl::size(c), 3u); | |
98 | BOOST_TEST_EQ(dtl::data(c), c.buf); | |
99 | BOOST_TEST_EQ(dtl::data(static_cast<const C&>(c)), c.buf); | |
100 | struct { | |
101 | int size() const { return 5; } | |
102 | } d; | |
103 | BOOST_TEST_EQ(dtl::size(d), 5u); | |
104 | } | |
105 | ||
106 | // counting_streambuf | |
107 | { | |
20effc67 TL |
108 | std::streamsize count = 0; |
109 | dtl::counting_streambuf<char> csb(count); | |
110 | std::ostream os(&csb); | |
92f5a8d4 | 111 | os.put('x'); |
20effc67 | 112 | BOOST_TEST_EQ(count, 1); |
92f5a8d4 | 113 | os << 12; |
20effc67 | 114 | BOOST_TEST_EQ(count, 3); |
92f5a8d4 | 115 | os << "123"; |
20effc67 TL |
116 | BOOST_TEST_EQ(count, 6); |
117 | } | |
118 | { | |
119 | std::streamsize count = 0; | |
120 | auto g = dtl::make_count_guard(std::cout, count); | |
121 | std::cout.put('x'); | |
122 | BOOST_TEST_EQ(count, 1); | |
123 | std::cout << 12; | |
124 | BOOST_TEST_EQ(count, 3); | |
125 | std::cout << "123"; | |
126 | BOOST_TEST_EQ(count, 6); | |
127 | } | |
128 | ||
129 | // sub_array and span | |
130 | { | |
131 | dtl::sub_array<int, 2> a(2, 1); | |
132 | a[1] = 2; | |
133 | auto sp = dtl::span<int>(a); | |
134 | BOOST_TEST_EQ(sp.size(), 2); | |
135 | BOOST_TEST_EQ(sp.front(), 1); | |
136 | BOOST_TEST_EQ(sp.back(), 2); | |
137 | ||
138 | const auto& ca = a; | |
139 | auto csp = dtl::span<const int>(ca); | |
140 | BOOST_TEST_EQ(csp.size(), 2); | |
141 | BOOST_TEST_EQ(csp.front(), 1); | |
142 | BOOST_TEST_EQ(csp.back(), 2); | |
143 | } | |
144 | ||
145 | // index_translator | |
146 | { | |
147 | using I = axis::integer<>; | |
148 | ||
149 | { | |
150 | auto t = std::vector<I>{I{0, 1}, I{1, 3}}; | |
151 | auto tr = dtl::make_index_translator(t, t); | |
152 | multi_index<static_cast<std::size_t>(-1)> mi{0, 1}; | |
153 | BOOST_TEST_EQ(tr(mi), mi); | |
154 | multi_index<2> mi2{0, 1}; | |
155 | BOOST_TEST_EQ(tr(mi2), mi); | |
156 | } | |
157 | ||
158 | { | |
159 | auto t = std::make_tuple(I{0, 1}); | |
160 | auto tr = dtl::make_index_translator(t, t); | |
161 | multi_index<static_cast<std::size_t>(-1)> mi{0}; | |
162 | BOOST_TEST_EQ(tr(mi), mi); | |
163 | } | |
164 | ||
165 | BOOST_TEST_THROWS(multi_index<1>::create(2), std::invalid_argument); | |
92f5a8d4 TL |
166 | } |
167 | ||
168 | return boost::report_errors(); | |
169 | } |