1 | // Unit test for boost::lexical_cast. |
2 | // |
3 | // See http://www.boost.org for most recent version, including documentation. |
4 | // |
5 | // Copyright Antony Polukhin, 2012-2024. |
6 | // |
7 | // Distributed under the Boost |
8 | // Software License, Version 1.0. (See accompanying file |
9 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt). |
10 | |
11 | |
12 | #include <boost/lexical_cast.hpp> |
13 | |
14 | #include <boost/range/iterator_range.hpp> |
15 | |
16 | #include <boost/core/lightweight_test.hpp> |
17 | |
18 | using namespace boost; |
19 | |
20 | #if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING) |
21 | #define BOOST_LCAST_NO_WCHAR_T |
22 | #endif |
23 | |
24 | |
25 | #if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(_LIBCPP_VERSION) && !defined(BOOST_MSVC) |
26 | #define BOOST_LC_RUNU16 |
27 | #endif |
28 | |
29 | #if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(_LIBCPP_VERSION) && !defined(BOOST_MSVC) |
30 | #define BOOST_LC_RUNU32 |
31 | #endif |
32 | |
33 | struct class_with_user_defined_sream_operators { |
34 | int i; |
35 | |
36 | operator int() const { |
37 | return i; |
38 | } |
39 | }; |
40 | |
41 | template <class CharT> |
42 | inline std::basic_istream<CharT>& operator >> (std::basic_istream<CharT>& istr, class_with_user_defined_sream_operators& rhs) |
43 | { |
44 | return istr >> rhs.i; |
45 | } |
46 | |
47 | |
48 | template <class RngT> |
49 | void do_test_iterator_range_impl(const RngT& rng) |
50 | { |
51 | BOOST_TEST_EQ(lexical_cast<int>(rng), 1); |
52 | BOOST_TEST_EQ(lexical_cast<int>(rng.begin(), rng.size()), 1); |
53 | BOOST_TEST_EQ(lexical_cast<unsigned int>(rng), 1u); |
54 | BOOST_TEST_EQ(lexical_cast<unsigned int>(rng.begin(), rng.size()), 1u); |
55 | BOOST_TEST_EQ(lexical_cast<short>(rng), 1); |
56 | BOOST_TEST_EQ(lexical_cast<short>(rng.begin(), rng.size()), 1); |
57 | BOOST_TEST_EQ(lexical_cast<unsigned short>(rng), 1u); |
58 | BOOST_TEST_EQ(lexical_cast<unsigned short>(rng.begin(), rng.size()), 1u); |
59 | BOOST_TEST_EQ(lexical_cast<long int>(rng), 1); |
60 | BOOST_TEST_EQ(lexical_cast<long int>(rng.begin(), rng.size()), 1); |
61 | BOOST_TEST_EQ(lexical_cast<unsigned long int>(rng), 1u); |
62 | BOOST_TEST_EQ(lexical_cast<unsigned long int>(rng.begin(), rng.size()), 1u); |
63 | |
64 | #ifdef BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES |
65 | BOOST_TEST_EQ(lexical_cast<float>(rng), 1.0f); |
66 | BOOST_TEST_EQ(lexical_cast<float>(rng.begin(), rng.size()), 1.0f); |
67 | BOOST_TEST_EQ(lexical_cast<double>(rng), 1.0); |
68 | BOOST_TEST_EQ(lexical_cast<double>(rng.begin(), rng.size()), 1.0); |
69 | #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS |
70 | BOOST_TEST_EQ(lexical_cast<long double>(rng), 1.0L); |
71 | BOOST_TEST_EQ(lexical_cast<long double>(rng.begin(), rng.size()), 1.0L); |
72 | #endif |
73 | BOOST_TEST_EQ(lexical_cast<class_with_user_defined_sream_operators>(rng), 1); |
74 | #endif |
75 | #if defined(BOOST_HAS_LONG_LONG) |
76 | BOOST_TEST_EQ(lexical_cast<boost::ulong_long_type>(rng), 1u); |
77 | BOOST_TEST_EQ(lexical_cast<boost::ulong_long_type>(rng.begin(), rng.size()), 1u); |
78 | BOOST_TEST_EQ(lexical_cast<boost::long_long_type>(rng), 1); |
79 | BOOST_TEST_EQ(lexical_cast<boost::long_long_type>(rng.begin(), rng.size()), 1); |
80 | #elif defined(BOOST_HAS_MS_INT64) |
81 | BOOST_TEST_EQ(lexical_cast<unsigned __int64>(rng), 1u); |
82 | BOOST_TEST_EQ(lexical_cast<unsigned __int64>(rng.begin(), rng.size()), 1u); |
83 | BOOST_TEST_EQ(lexical_cast<__int64>(rng), 1); |
84 | BOOST_TEST_EQ(lexical_cast<__int64>(rng.begin(), rng.size()), 1); |
85 | #endif |
86 | } |
87 | |
88 | template <class CharT> |
89 | void test_it_range_using_any_chars(CharT* one, CharT* eleven) |
90 | { |
91 | typedef CharT test_char_type; |
92 | |
93 | // Zero terminated |
94 | iterator_range<test_char_type*> rng1(one, one + 1); |
95 | do_test_iterator_range_impl(rng1); |
96 | |
97 | iterator_range<const test_char_type*> crng1(one, one + 1); |
98 | do_test_iterator_range_impl(crng1); |
99 | |
100 | // Non zero terminated |
101 | iterator_range<test_char_type*> rng2(eleven, eleven + 1); |
102 | do_test_iterator_range_impl(rng2); |
103 | |
104 | iterator_range<const test_char_type*> crng2(eleven, eleven + 1); |
105 | do_test_iterator_range_impl(crng2); |
106 | } |
107 | |
108 | template <class CharT> |
109 | void test_it_range_using_char(CharT* one, CharT* eleven) |
110 | { |
111 | typedef CharT test_char_type; |
112 | |
113 | iterator_range<test_char_type*> rng1(one, one + 1); |
114 | BOOST_TEST_EQ(lexical_cast<std::string>(rng1), "1" ); |
115 | |
116 | iterator_range<const test_char_type*> crng1(one, one + 1); |
117 | BOOST_TEST_EQ(lexical_cast<std::string>(crng1), "1" ); |
118 | |
119 | iterator_range<test_char_type*> rng2(eleven, eleven + 1); |
120 | BOOST_TEST_EQ(lexical_cast<std::string>(rng2), "1" ); |
121 | |
122 | iterator_range<const test_char_type*> crng2(eleven, eleven + 1); |
123 | BOOST_TEST_EQ(lexical_cast<std::string>(crng2), "1" ); |
124 | |
125 | BOOST_TEST_EQ(lexical_cast<float>(rng1), 1.0f); |
126 | BOOST_TEST_EQ(lexical_cast<double>(rng1), 1.0); |
127 | #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS |
128 | BOOST_TEST_EQ(lexical_cast<long double>(rng1), 1.0L); |
129 | #endif |
130 | BOOST_TEST_EQ(lexical_cast<class_with_user_defined_sream_operators>(rng1), 1); |
131 | |
132 | BOOST_TEST_EQ(lexical_cast<float>(crng2), 1.0f); |
133 | BOOST_TEST_EQ(lexical_cast<double>(crng2), 1.0); |
134 | #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS |
135 | BOOST_TEST_EQ(lexical_cast<long double>(crng2), 1.0L); |
136 | #endif |
137 | BOOST_TEST_EQ(lexical_cast<class_with_user_defined_sream_operators>(crng2), 1); |
138 | |
139 | #ifndef BOOST_LCAST_NO_WCHAR_T |
140 | BOOST_TEST(lexical_cast<std::wstring>(rng1) == L"1" ); |
141 | BOOST_TEST(lexical_cast<std::wstring>(crng1) == L"1" ); |
142 | BOOST_TEST(lexical_cast<std::wstring>(rng2) == L"1" ); |
143 | BOOST_TEST(lexical_cast<std::wstring>(crng2) == L"1" ); |
144 | #endif |
145 | |
146 | #if defined(BOOST_LC_RUNU16) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES) |
147 | typedef std::basic_string<char16_t> my_char16_string; |
148 | BOOST_TEST(lexical_cast<my_char16_string>(rng1) == u"1" ); |
149 | BOOST_TEST(lexical_cast<my_char16_string>(crng1) == u"1" ); |
150 | BOOST_TEST(lexical_cast<my_char16_string>(rng2) == u"1" ); |
151 | BOOST_TEST(lexical_cast<my_char16_string>(crng2) == u"1" ); |
152 | #endif |
153 | |
154 | #if defined(BOOST_LC_RUNU32) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES) |
155 | typedef std::basic_string<char32_t> my_char32_string; |
156 | BOOST_TEST(lexical_cast<my_char32_string>(rng1) == U"1" ); |
157 | BOOST_TEST(lexical_cast<my_char32_string>(crng1) == U"1" ); |
158 | BOOST_TEST(lexical_cast<my_char32_string>(rng2) == U"1" ); |
159 | BOOST_TEST(lexical_cast<my_char32_string>(crng2) == U"1" ); |
160 | #endif |
161 | } |
162 | |
163 | void test_char_iterator_ranges() |
164 | { |
165 | typedef char test_char_type; |
166 | test_char_type data1[] = "1" ; |
167 | test_char_type data2[] = "11" ; |
168 | test_it_range_using_any_chars(one: data1, eleven: data2); |
169 | test_it_range_using_char(one: data1, eleven: data2); |
170 | } |
171 | |
172 | |
173 | |
174 | void test_unsigned_char_iterator_ranges() |
175 | { |
176 | typedef unsigned char test_char_type; |
177 | test_char_type data1[] = "1" ; |
178 | test_char_type data2[] = "11" ; |
179 | test_it_range_using_any_chars(one: data1, eleven: data2); |
180 | test_it_range_using_char(one: data1, eleven: data2); |
181 | } |
182 | |
183 | void test_signed_char_iterator_ranges() |
184 | { |
185 | typedef signed char test_char_type; |
186 | test_char_type data1[] = "1" ; |
187 | test_char_type data2[] = "11" ; |
188 | test_it_range_using_any_chars(one: data1, eleven: data2); |
189 | test_it_range_using_char(one: data1, eleven: data2); |
190 | } |
191 | |
192 | void test_wchar_iterator_ranges() |
193 | { |
194 | #ifndef BOOST_LCAST_NO_WCHAR_T |
195 | typedef wchar_t test_char_type; |
196 | test_char_type data1[] = L"1" ; |
197 | test_char_type data2[] = L"11" ; |
198 | test_it_range_using_any_chars(one: data1, eleven: data2); |
199 | #endif |
200 | |
201 | BOOST_TEST(true); |
202 | } |
203 | |
204 | void test_char16_iterator_ranges() |
205 | { |
206 | #if defined(BOOST_LC_RUNU16) |
207 | typedef char16_t test_char_type; |
208 | test_char_type data1[] = u"1" ; |
209 | test_char_type data2[] = u"11" ; |
210 | test_it_range_using_any_chars(one: data1, eleven: data2); |
211 | #endif |
212 | |
213 | BOOST_TEST(true); |
214 | } |
215 | |
216 | void test_char32_iterator_ranges() |
217 | { |
218 | #if defined(BOOST_LC_RUNU32) |
219 | typedef char32_t test_char_type; |
220 | test_char_type data1[] = U"1" ; |
221 | test_char_type data2[] = U"11" ; |
222 | test_it_range_using_any_chars(one: data1, eleven: data2); |
223 | #endif |
224 | |
225 | BOOST_TEST(true); |
226 | } |
227 | |
228 | int main() |
229 | { |
230 | test_char_iterator_ranges(); |
231 | test_unsigned_char_iterator_ranges(); |
232 | test_signed_char_iterator_ranges(); |
233 | test_wchar_iterator_ranges(); |
234 | test_char16_iterator_ranges(); |
235 | test_char32_iterator_ranges(); |
236 | |
237 | return boost::report_errors(); |
238 | } |
239 | |