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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 | ||
7 | #include <boost/core/lightweight_test.hpp> | |
8 | #include <boost/core/lightweight_test_trait.hpp> | |
9 | #include <boost/histogram/accumulators/weighted_sum.hpp> | |
10 | #include <boost/histogram/detail/common_type.hpp> | |
11 | #include <boost/histogram/detail/counting_streambuf.hpp> | |
12 | #include <boost/histogram/detail/non_member_container_access.hpp> | |
13 | #include <boost/histogram/fwd.hpp> | |
14 | #include <boost/histogram/literals.hpp> | |
15 | #include <boost/histogram/storage_adaptor.hpp> | |
16 | #include <boost/histogram/unlimited_storage.hpp> | |
17 | #include <ostream> | |
18 | #include "std_ostream.hpp" | |
19 | ||
20 | using namespace boost::histogram; | |
21 | using namespace boost::histogram::literals; | |
22 | namespace dtl = boost::histogram::detail; | |
23 | ||
24 | int main() { | |
25 | // literals | |
26 | { | |
27 | BOOST_TEST_TRAIT_SAME(std::integral_constant<unsigned, 0>, decltype(0_c)); | |
28 | BOOST_TEST_TRAIT_SAME(std::integral_constant<unsigned, 3>, decltype(3_c)); | |
29 | BOOST_TEST_EQ(decltype(10_c)::value, 10); | |
30 | BOOST_TEST_EQ(decltype(213_c)::value, 213); | |
31 | } | |
32 | ||
33 | // common_storage | |
34 | { | |
35 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<unlimited_storage<>, unlimited_storage<>>, | |
36 | unlimited_storage<>); | |
37 | BOOST_TEST_TRAIT_SAME( | |
38 | dtl::common_storage<dense_storage<double>, dense_storage<double>>, | |
39 | dense_storage<double>); | |
40 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<int>, dense_storage<double>>, | |
41 | dense_storage<double>); | |
42 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, dense_storage<int>>, | |
43 | dense_storage<double>); | |
44 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, unlimited_storage<>>, | |
45 | dense_storage<double>); | |
46 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<int>, unlimited_storage<>>, | |
47 | unlimited_storage<>); | |
48 | BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, weight_storage>, | |
49 | weight_storage); | |
50 | } | |
51 | ||
52 | // size & data | |
53 | { | |
54 | char a[4] = {1, 2, 3, 4}; | |
55 | BOOST_TEST_EQ(dtl::size(a), 4u); | |
56 | BOOST_TEST_EQ(dtl::data(a), a); | |
57 | auto b = {1, 2}; | |
58 | BOOST_TEST_EQ(dtl::size(b), 2u); | |
59 | BOOST_TEST_EQ(dtl::data(b), b.begin()); | |
60 | struct C { | |
61 | unsigned size() const { return 3; } | |
62 | int* data() { return buf; } | |
63 | const int* data() const { return buf; } | |
64 | int buf[1]; | |
65 | } c; | |
66 | BOOST_TEST_EQ(dtl::size(c), 3u); | |
67 | BOOST_TEST_EQ(dtl::data(c), c.buf); | |
68 | BOOST_TEST_EQ(dtl::data(static_cast<const C&>(c)), c.buf); | |
69 | struct { | |
70 | int size() const { return 5; } | |
71 | } d; | |
72 | BOOST_TEST_EQ(dtl::size(d), 5u); | |
73 | } | |
74 | ||
75 | // counting_streambuf | |
76 | { | |
77 | dtl::counting_streambuf<char> cbuf; | |
78 | std::ostream os(&cbuf); | |
79 | os.put('x'); | |
80 | BOOST_TEST_EQ(cbuf.count, 1); | |
81 | os << 12; | |
82 | BOOST_TEST_EQ(cbuf.count, 3); | |
83 | os << "123"; | |
84 | BOOST_TEST_EQ(cbuf.count, 6); | |
85 | } | |
86 | ||
87 | return boost::report_errors(); | |
88 | } |