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1 | /* |
2 | * Copyright Andrey Semashev 2020. | |
3 | * Distributed under the Boost Software License, Version 1.0. | |
4 | * (See accompanying file LICENSE_1_0.txt or copy at | |
5 | * http://www.boost.org/LICENSE_1_0.txt) | |
6 | */ | |
7 | /*! | |
8 | * \file util_manip_optional.cpp | |
9 | * \author Andrey Semashev | |
10 | * \date 12.05.2020 | |
11 | * | |
12 | * \brief This header contains tests for the optional manipulator. | |
13 | */ | |
14 | ||
15 | #define BOOST_TEST_MODULE util_manip_optional | |
16 | ||
17 | #include <string> | |
18 | #include <sstream> | |
19 | #include <boost/config.hpp> | |
20 | #include <boost/optional.hpp> | |
21 | #include <boost/test/unit_test.hpp> | |
22 | #include <boost/log/utility/manipulators/optional.hpp> | |
23 | #include "char_definitions.hpp" | |
24 | ||
25 | namespace logging = boost::log; | |
26 | ||
27 | struct my_int_wrapper | |
28 | { | |
29 | int n; | |
30 | ||
31 | my_int_wrapper(int x = 0) BOOST_NOEXCEPT : n(x) {} | |
32 | }; | |
33 | ||
34 | template< typename CharT, typename TraitsT > | |
35 | inline std::basic_ostream< CharT, TraitsT >& operator<< (std::basic_ostream< CharT, TraitsT >& strm, my_int_wrapper miw) | |
36 | { | |
37 | if (BOOST_LIKELY(strm.good())) | |
38 | strm << '{' << miw.n << '}'; | |
39 | ||
40 | return strm; | |
41 | } | |
42 | ||
43 | BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_no_marker, CharT, char_types) | |
44 | { | |
45 | typedef CharT char_type; | |
46 | typedef std::basic_ostringstream< char_type > ostream_type; | |
47 | typedef std::basic_string< char_type > string_type; | |
48 | ||
49 | boost::optional< int > data; | |
50 | ||
51 | ostream_type strm_dump; | |
52 | strm_dump << logging::optional_manip(data); | |
53 | ||
54 | BOOST_CHECK(equal_strings(strm_dump.str(), string_type())); | |
55 | } | |
56 | ||
57 | BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_with_marker_char, CharT, char_types) | |
58 | { | |
59 | typedef CharT char_type; | |
60 | typedef std::basic_ostringstream< char_type > ostream_type; | |
61 | ||
62 | boost::optional< int > data; | |
63 | ||
64 | ostream_type strm_dump; | |
65 | strm_dump << logging::optional_manip(data, '-'); | |
66 | ||
67 | ostream_type strm_correct; | |
68 | strm_correct << "-"; | |
69 | ||
70 | BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str())); | |
71 | } | |
72 | ||
73 | BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_with_marker_string, CharT, char_types) | |
74 | { | |
75 | typedef CharT char_type; | |
76 | typedef std::basic_ostringstream< char_type > ostream_type; | |
77 | ||
78 | boost::optional< int > data; | |
79 | ||
80 | ostream_type strm_dump; | |
81 | strm_dump << logging::optional_manip(data, "[none]"); | |
82 | ||
83 | ostream_type strm_correct; | |
84 | strm_correct << "[none]"; | |
85 | ||
86 | BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str())); | |
87 | } | |
88 | ||
89 | BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_with_marker_std_string, CharT, char_types) | |
90 | { | |
91 | typedef CharT char_type; | |
92 | typedef std::basic_ostringstream< char_type > ostream_type; | |
93 | typedef std::basic_string< char_type > string_type; | |
94 | ||
95 | boost::optional< int > data; | |
96 | ||
97 | string_type marker; | |
98 | marker.push_back('['); | |
99 | marker.push_back('n'); | |
100 | marker.push_back('o'); | |
101 | marker.push_back('n'); | |
102 | marker.push_back('e'); | |
103 | marker.push_back(']'); | |
104 | ||
105 | ostream_type strm_dump; | |
106 | strm_dump << logging::optional_manip(data, marker); | |
107 | ||
108 | ostream_type strm_correct; | |
109 | strm_correct << "[none]"; | |
110 | ||
111 | BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str())); | |
112 | } | |
113 | ||
114 | BOOST_AUTO_TEST_CASE_TEMPLATE(ptr_none_with_marker_string, CharT, char_types) | |
115 | { | |
116 | typedef CharT char_type; | |
117 | typedef std::basic_ostringstream< char_type > ostream_type; | |
118 | ||
119 | const int* data = 0; | |
120 | ||
121 | ostream_type strm_dump; | |
122 | strm_dump << logging::optional_manip(data, "[none]"); | |
123 | ||
124 | ostream_type strm_correct; | |
125 | strm_correct << "[none]"; | |
126 | ||
127 | BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str())); | |
128 | } | |
129 | ||
130 | BOOST_AUTO_TEST_CASE_TEMPLATE(opt_int_with_marker_string, CharT, char_types) | |
131 | { | |
132 | typedef CharT char_type; | |
133 | typedef std::basic_ostringstream< char_type > ostream_type; | |
134 | ||
135 | boost::optional< int > data; | |
136 | data = 7; | |
137 | ||
138 | ostream_type strm_dump; | |
139 | strm_dump << logging::optional_manip(data, "[none]"); | |
140 | ||
141 | ostream_type strm_correct; | |
142 | strm_correct << "7"; | |
143 | ||
144 | BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str())); | |
145 | } | |
146 | ||
147 | BOOST_AUTO_TEST_CASE_TEMPLATE(ptr_int_with_marker_string, CharT, char_types) | |
148 | { | |
149 | typedef CharT char_type; | |
150 | typedef std::basic_ostringstream< char_type > ostream_type; | |
151 | ||
152 | int n = 7; | |
153 | int* data = &n; | |
154 | ||
155 | ostream_type strm_dump; | |
156 | strm_dump << logging::optional_manip(data, "[none]"); | |
157 | ||
158 | ostream_type strm_correct; | |
159 | strm_correct << "7"; | |
160 | ||
161 | BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str())); | |
162 | } | |
163 | ||
164 | BOOST_AUTO_TEST_CASE_TEMPLATE(ptr_miw_with_marker_string, CharT, char_types) | |
165 | { | |
166 | typedef CharT char_type; | |
167 | typedef std::basic_ostringstream< char_type > ostream_type; | |
168 | ||
169 | my_int_wrapper n(7); | |
170 | const my_int_wrapper* data = &n; | |
171 | ||
172 | ostream_type strm_dump; | |
173 | strm_dump << logging::optional_manip(data, "[none]"); | |
174 | ||
175 | ostream_type strm_correct; | |
176 | strm_correct << "{7}"; | |
177 | ||
178 | BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str())); | |
179 | } |