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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. | |
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 | #include <boost/config.hpp> | |
12 | ||
13 | #if defined(__INTEL_COMPILER) | |
14 | #pragma warning(disable: 193 383 488 981 1418 1419) | |
15 | #elif defined(BOOST_MSVC) | |
16 | #pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800) | |
17 | #endif | |
18 | ||
19 | #include <boost/lexical_cast.hpp> | |
20 | #include <boost/test/unit_test.hpp> | |
21 | #include <boost/range/iterator_range.hpp> | |
22 | ||
23 | using namespace boost; | |
24 | ||
25 | // Testing compilation and some basic usage with BOOST_NO_STD_LOCALE | |
26 | // Tests are mainly copyied from lexical_cast_empty_input_test.cpp (something | |
27 | // new added to test_empty_3) | |
28 | ||
29 | #ifndef BOOST_NO_STD_LOCALE | |
30 | #error "This test must be compiled with -DBOOST_NO_STD_LOCALE" | |
31 | #endif | |
32 | ||
33 | ||
34 | template <class T> | |
35 | void do_test_on_empty_input(T& v) | |
36 | { | |
37 | BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast); | |
38 | BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast); | |
39 | BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast); | |
40 | #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS | |
41 | BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast); | |
42 | #endif | |
43 | BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast); | |
44 | BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast); | |
45 | #if defined(BOOST_HAS_LONG_LONG) | |
46 | BOOST_CHECK_THROW(lexical_cast<boost::ulong_long_type>(v), bad_lexical_cast); | |
47 | BOOST_CHECK_THROW(lexical_cast<boost::long_long_type>(v), bad_lexical_cast); | |
48 | #elif defined(BOOST_HAS_MS_INT64) | |
49 | BOOST_CHECK_THROW(lexical_cast<unsigned __int64>(v), bad_lexical_cast); | |
50 | BOOST_CHECK_THROW(lexical_cast<__int64>(v), bad_lexical_cast); | |
51 | #endif | |
52 | } | |
53 | ||
54 | void test_empty_1() | |
55 | { | |
56 | boost::iterator_range<char*> v; | |
57 | do_test_on_empty_input(v); | |
58 | BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string()); | |
59 | BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast); | |
60 | BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast); | |
61 | BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast); | |
62 | ||
63 | boost::iterator_range<const char*> cv; | |
64 | do_test_on_empty_input(cv); | |
65 | BOOST_CHECK_EQUAL(lexical_cast<std::string>(cv), std::string()); | |
66 | BOOST_CHECK_THROW(lexical_cast<char>(cv), bad_lexical_cast); | |
67 | BOOST_CHECK_THROW(lexical_cast<unsigned char>(cv), bad_lexical_cast); | |
68 | BOOST_CHECK_THROW(lexical_cast<signed char>(cv), bad_lexical_cast); | |
69 | ||
70 | const boost::iterator_range<const char*> ccv; | |
71 | do_test_on_empty_input(ccv); | |
72 | BOOST_CHECK_EQUAL(lexical_cast<std::string>(ccv), std::string()); | |
73 | BOOST_CHECK_THROW(lexical_cast<char>(ccv), bad_lexical_cast); | |
74 | BOOST_CHECK_THROW(lexical_cast<unsigned char>(ccv), bad_lexical_cast); | |
75 | BOOST_CHECK_THROW(lexical_cast<signed char>(ccv), bad_lexical_cast); | |
76 | } | |
77 | ||
78 | void test_empty_2() | |
79 | { | |
80 | std::string v; | |
81 | do_test_on_empty_input(v); | |
82 | BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast); | |
83 | BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast); | |
84 | BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast); | |
85 | } | |
86 | ||
87 | struct Escape | |
88 | { | |
89 | Escape(){} | |
90 | Escape(const std::string& s) | |
91 | : str_(s) | |
92 | {} | |
93 | ||
94 | std::string str_; | |
95 | }; | |
96 | ||
97 | inline std::ostream& operator<< (std::ostream& o, const Escape& rhs) | |
98 | { | |
99 | return o << rhs.str_; | |
100 | } | |
101 | ||
102 | inline std::istream& operator>> (std::istream& i, Escape& rhs) | |
103 | { | |
104 | return i >> rhs.str_; | |
105 | } | |
106 | ||
107 | void test_empty_3() | |
108 | { | |
109 | Escape v(""); | |
110 | do_test_on_empty_input(v); | |
111 | ||
112 | BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast); | |
113 | BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast); | |
114 | BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast); | |
115 | ||
116 | v = lexical_cast<Escape>(100); | |
117 | BOOST_CHECK_EQUAL(lexical_cast<int>(v), 100); | |
118 | BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(v), 100u); | |
119 | ||
120 | v = lexical_cast<Escape>(0.0); | |
121 | BOOST_CHECK_EQUAL(lexical_cast<double>(v), 0.0); | |
122 | } | |
123 | ||
124 | namespace std { | |
125 | inline std::ostream & operator<<(std::ostream & out, const std::vector<long> & v) | |
126 | { | |
127 | std::ostream_iterator<long> it(out); | |
128 | std::copy(v.begin(), v.end(), it); | |
129 | assert(out); | |
130 | return out; | |
131 | } | |
132 | } | |
133 | ||
134 | void test_empty_4() | |
135 | { | |
136 | std::vector<long> v; | |
137 | do_test_on_empty_input(v); | |
138 | BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast); | |
139 | BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast); | |
140 | BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast); | |
141 | } | |
142 | ||
143 | ||
144 | struct my_string { | |
145 | friend std::ostream &operator<<(std::ostream& sout, my_string const&/* st*/) { | |
146 | return sout << ""; | |
147 | } | |
148 | }; | |
149 | ||
150 | void test_empty_5() | |
151 | { | |
152 | my_string st; | |
153 | BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(st), std::string());; | |
154 | } | |
155 | ||
156 | unit_test::test_suite *init_unit_test_suite(int, char *[]) | |
157 | { | |
158 | unit_test::test_suite *suite = | |
159 | BOOST_TEST_SUITE("lexical_cast. Testing with BOOST_NO_STD_LOCALE"); | |
160 | suite->add(BOOST_TEST_CASE(&test_empty_1)); | |
161 | suite->add(BOOST_TEST_CASE(&test_empty_2)); | |
162 | suite->add(BOOST_TEST_CASE(&test_empty_3)); | |
163 | suite->add(BOOST_TEST_CASE(&test_empty_4)); | |
164 | suite->add(BOOST_TEST_CASE(&test_empty_5)); | |
165 | ||
166 | return suite; | |
167 | } | |
168 |