ceph/src/boost/libs/lexical_cast/test/lexical_cast_iterator_range_test.cpp

   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
  21 #include <boost/test/unit_test.hpp>
  22 #include <boost/range/iterator_range.hpp>
  23
  24 using namespace boost;
  25
  26 #if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
  27 #define BOOST_LCAST_NO_WCHAR_T
  28 #endif
  29
  30
  31 #if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(_LIBCPP_VERSION) && !defined(BOOST_MSVC)
  32 #define BOOST_LC_RUNU16
  33 #endif
  34
  35 #if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(_LIBCPP_VERSION) && !defined(BOOST_MSVC)
  36 #define BOOST_LC_RUNU32
  37 #endif
  38
  39 struct class_with_user_defined_sream_operators {
  40     int i;
  41
  42     operator int() const {
  43         return i;
  44     }
  45 };
  46
  47 template <class CharT>
  48 inline std::basic_istream<CharT>& operator >> (std::basic_istream<CharT>& istr, class_with_user_defined_sream_operators& rhs)
  49 {
  50     return istr >> rhs.i;
  51 }
  52
  53
  54 template <class RngT>
  55 void do_test_iterator_range_impl(const RngT& rng)
  56 {
  57     BOOST_CHECK_EQUAL(lexical_cast<int>(rng), 1);
  58     BOOST_CHECK_EQUAL(lexical_cast<int>(rng.begin(), rng.size()), 1);
  59     BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(rng), 1u);
  60     BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(rng.begin(), rng.size()), 1u);
  61     BOOST_CHECK_EQUAL(lexical_cast<short>(rng), 1);
  62     BOOST_CHECK_EQUAL(lexical_cast<short>(rng.begin(), rng.size()), 1);
  63     BOOST_CHECK_EQUAL(lexical_cast<unsigned short>(rng), 1u);
  64     BOOST_CHECK_EQUAL(lexical_cast<unsigned short>(rng.begin(), rng.size()), 1u);
  65     BOOST_CHECK_EQUAL(lexical_cast<long int>(rng), 1);
  66     BOOST_CHECK_EQUAL(lexical_cast<long int>(rng.begin(), rng.size()), 1);
  67     BOOST_CHECK_EQUAL(lexical_cast<unsigned long int>(rng), 1u);
  68     BOOST_CHECK_EQUAL(lexical_cast<unsigned long int>(rng.begin(), rng.size()), 1u);
  69
  70 #ifdef BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES
  71     BOOST_CHECK_EQUAL(lexical_cast<float>(rng), 1.0f);
  72     BOOST_CHECK_EQUAL(lexical_cast<float>(rng.begin(), rng.size()), 1.0f);
  73     BOOST_CHECK_EQUAL(lexical_cast<double>(rng), 1.0);
  74     BOOST_CHECK_EQUAL(lexical_cast<double>(rng.begin(), rng.size()), 1.0);
  75 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
  76     BOOST_CHECK_EQUAL(lexical_cast<long double>(rng), 1.0L);
  77     BOOST_CHECK_EQUAL(lexical_cast<long double>(rng.begin(), rng.size()), 1.0L);
  78 #endif
  79     BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(rng), 1);
  80 #endif
  81 #if defined(BOOST_HAS_LONG_LONG)
  82     BOOST_CHECK_EQUAL(lexical_cast<boost::ulong_long_type>(rng), 1u);
  83     BOOST_CHECK_EQUAL(lexical_cast<boost::ulong_long_type>(rng.begin(), rng.size()), 1u);
  84     BOOST_CHECK_EQUAL(lexical_cast<boost::long_long_type>(rng), 1);
  85     BOOST_CHECK_EQUAL(lexical_cast<boost::long_long_type>(rng.begin(), rng.size()), 1);
  86 #elif defined(BOOST_HAS_MS_INT64)
  87     BOOST_CHECK_EQUAL(lexical_cast<unsigned __int64>(rng), 1u);
  88     BOOST_CHECK_EQUAL(lexical_cast<unsigned __int64>(rng.begin(), rng.size()), 1u);
  89     BOOST_CHECK_EQUAL(lexical_cast<__int64>(rng), 1);
  90     BOOST_CHECK_EQUAL(lexical_cast<__int64>(rng.begin(), rng.size()), 1);
  91 #endif
  92 }
  93
  94 template <class CharT>
  95 void test_it_range_using_any_chars(CharT* one, CharT* eleven)
  96 {
  97     typedef CharT test_char_type;
  98
  99     // Zero terminated
 100     iterator_range<test_char_type*> rng1(one, one + 1);
 101     do_test_iterator_range_impl(rng1);
 102
 103     iterator_range<const test_char_type*> crng1(one, one + 1);
 104     do_test_iterator_range_impl(crng1);
 105
 106     // Non zero terminated
 107     iterator_range<test_char_type*> rng2(eleven, eleven + 1);
 108     do_test_iterator_range_impl(rng2);
 109
 110     iterator_range<const test_char_type*> crng2(eleven, eleven + 1);
 111     do_test_iterator_range_impl(crng2);
 112 }
 113
 114 template <class CharT>
 115 void test_it_range_using_char(CharT* one, CharT* eleven)
 116 {
 117     typedef CharT test_char_type;
 118
 119     iterator_range<test_char_type*> rng1(one, one + 1);
 120     BOOST_CHECK_EQUAL(lexical_cast<std::string>(rng1), "1");
 121
 122     iterator_range<const test_char_type*> crng1(one, one + 1);
 123     BOOST_CHECK_EQUAL(lexical_cast<std::string>(crng1), "1");
 124
 125     iterator_range<test_char_type*> rng2(eleven, eleven + 1);
 126     BOOST_CHECK_EQUAL(lexical_cast<std::string>(rng2), "1");
 127
 128     iterator_range<const test_char_type*> crng2(eleven, eleven + 1);
 129     BOOST_CHECK_EQUAL(lexical_cast<std::string>(crng2), "1");
 130
 131     BOOST_CHECK_EQUAL(lexical_cast<float>(rng1), 1.0f);
 132     BOOST_CHECK_EQUAL(lexical_cast<double>(rng1), 1.0);
 133 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
 134     BOOST_CHECK_EQUAL(lexical_cast<long double>(rng1), 1.0L);
 135 #endif
 136     BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(rng1), 1);
 137
 138     BOOST_CHECK_EQUAL(lexical_cast<float>(crng2), 1.0f);
 139     BOOST_CHECK_EQUAL(lexical_cast<double>(crng2), 1.0);
 140 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
 141     BOOST_CHECK_EQUAL(lexical_cast<long double>(crng2), 1.0L);
 142 #endif
 143     BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(crng2), 1);
 144
 145 #ifndef BOOST_LCAST_NO_WCHAR_T
 146     BOOST_CHECK(lexical_cast<std::wstring>(rng1) == L"1");
 147     BOOST_CHECK(lexical_cast<std::wstring>(crng1) == L"1");
 148     BOOST_CHECK(lexical_cast<std::wstring>(rng2) == L"1");
 149     BOOST_CHECK(lexical_cast<std::wstring>(crng2) == L"1");
 150 #endif
 151
 152 #if defined(BOOST_LC_RUNU16) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
 153     typedef std::basic_string<char16_t> my_char16_string;
 154     BOOST_CHECK(lexical_cast<my_char16_string>(rng1) == u"1");
 155     BOOST_CHECK(lexical_cast<my_char16_string>(crng1) == u"1");
 156     BOOST_CHECK(lexical_cast<my_char16_string>(rng2) == u"1");
 157     BOOST_CHECK(lexical_cast<my_char16_string>(crng2) == u"1");
 158 #endif
 159
 160 #if defined(BOOST_LC_RUNU32) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
 161     typedef std::basic_string<char32_t> my_char32_string;
 162     BOOST_CHECK(lexical_cast<my_char32_string>(rng1) == U"1");
 163     BOOST_CHECK(lexical_cast<my_char32_string>(crng1) == U"1");
 164     BOOST_CHECK(lexical_cast<my_char32_string>(rng2) == U"1");
 165     BOOST_CHECK(lexical_cast<my_char32_string>(crng2) == U"1");
 166 #endif
 167 }
 168
 169 void test_char_iterator_ranges()
 170 {
 171     typedef char test_char_type;
 172     test_char_type data1[] = "1";
 173     test_char_type data2[] = "11";
 174     test_it_range_using_any_chars(data1, data2);
 175     test_it_range_using_char(data1, data2);
 176 }
 177
 178
 179
 180 void test_unsigned_char_iterator_ranges()
 181 {
 182     typedef unsigned char test_char_type;
 183     test_char_type data1[] = "1";
 184     test_char_type data2[] = "11";
 185     test_it_range_using_any_chars(data1, data2);
 186     test_it_range_using_char(data1, data2);
 187 }
 188
 189 void test_signed_char_iterator_ranges()
 190 {
 191     typedef signed char test_char_type;
 192     test_char_type data1[] = "1";
 193     test_char_type data2[] = "11";
 194     test_it_range_using_any_chars(data1, data2);
 195     test_it_range_using_char(data1, data2);
 196 }
 197
 198 void test_wchar_iterator_ranges()
 199 {
 200 #ifndef BOOST_LCAST_NO_WCHAR_T
 201     typedef wchar_t test_char_type;
 202     test_char_type data1[] = L"1";
 203     test_char_type data2[] = L"11";
 204     test_it_range_using_any_chars(data1, data2);
 205 #endif
 206
 207     BOOST_CHECK(true);
 208 }
 209
 210 void test_char16_iterator_ranges()
 211 {
 212 #if defined(BOOST_LC_RUNU16)
 213     typedef char16_t test_char_type;
 214     test_char_type data1[] = u"1";
 215     test_char_type data2[] = u"11";
 216     test_it_range_using_any_chars(data1, data2);
 217 #endif
 218
 219     BOOST_CHECK(true);
 220 }
 221
 222 void test_char32_iterator_ranges()
 223 {
 224 #if defined(BOOST_LC_RUNU32)
 225     typedef char32_t test_char_type;
 226     test_char_type data1[] = U"1";
 227     test_char_type data2[] = U"11";
 228     test_it_range_using_any_chars(data1, data2);
 229 #endif
 230
 231     BOOST_CHECK(true);
 232 }
 233
 234 unit_test::test_suite *init_unit_test_suite(int, char *[])
 235 {
 236     unit_test::test_suite *suite = BOOST_TEST_SUITE("lexical_cast. Testing conversions using iterator_range<>");
 237     suite->add(BOOST_TEST_CASE(&test_char_iterator_ranges));
 238     suite->add(BOOST_TEST_CASE(&test_unsigned_char_iterator_ranges));
 239     suite->add(BOOST_TEST_CASE(&test_signed_char_iterator_ranges));
 240     suite->add(BOOST_TEST_CASE(&test_wchar_iterator_ranges));
 241     suite->add(BOOST_TEST_CASE(&test_char16_iterator_ranges));
 242     suite->add(BOOST_TEST_CASE(&test_char32_iterator_ranges));
 243
 244     return suite;
 245 }