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- // Unit test for boost::lexical_cast.
- //
- // See http://www.boost.org for most recent version, including documentation.
- //
- // Copyright Antony Polukhin, 2012-2019.
- //
- // Distributed under the Boost
- // Software License, Version 1.0. (See accompanying file
- // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
- #include <boost/config.hpp>
- #if defined(__INTEL_COMPILER)
- #pragma warning(disable: 193 383 488 981 1418 1419)
- #elif defined(BOOST_MSVC)
- #pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
- #endif
- #include <boost/lexical_cast.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/range/iterator_range.hpp>
- using namespace boost;
- #if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
- #define BOOST_LCAST_NO_WCHAR_T
- #endif
- #if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(_LIBCPP_VERSION) && !defined(BOOST_MSVC)
- #define BOOST_LC_RUNU16
- #endif
- #if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(_LIBCPP_VERSION) && !defined(BOOST_MSVC)
- #define BOOST_LC_RUNU32
- #endif
- struct class_with_user_defined_sream_operators {
- int i;
- operator int() const {
- return i;
- }
- };
- template <class CharT>
- inline std::basic_istream<CharT>& operator >> (std::basic_istream<CharT>& istr, class_with_user_defined_sream_operators& rhs)
- {
- return istr >> rhs.i;
- }
- template <class RngT>
- void do_test_iterator_range_impl(const RngT& rng)
- {
- BOOST_CHECK_EQUAL(lexical_cast<int>(rng), 1);
- BOOST_CHECK_EQUAL(lexical_cast<int>(rng.begin(), rng.size()), 1);
- BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(rng), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(rng.begin(), rng.size()), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<short>(rng), 1);
- BOOST_CHECK_EQUAL(lexical_cast<short>(rng.begin(), rng.size()), 1);
- BOOST_CHECK_EQUAL(lexical_cast<unsigned short>(rng), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<unsigned short>(rng.begin(), rng.size()), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<long int>(rng), 1);
- BOOST_CHECK_EQUAL(lexical_cast<long int>(rng.begin(), rng.size()), 1);
- BOOST_CHECK_EQUAL(lexical_cast<unsigned long int>(rng), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<unsigned long int>(rng.begin(), rng.size()), 1u);
- #ifdef BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES
- BOOST_CHECK_EQUAL(lexical_cast<float>(rng), 1.0f);
- BOOST_CHECK_EQUAL(lexical_cast<float>(rng.begin(), rng.size()), 1.0f);
- BOOST_CHECK_EQUAL(lexical_cast<double>(rng), 1.0);
- BOOST_CHECK_EQUAL(lexical_cast<double>(rng.begin(), rng.size()), 1.0);
- #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- BOOST_CHECK_EQUAL(lexical_cast<long double>(rng), 1.0L);
- BOOST_CHECK_EQUAL(lexical_cast<long double>(rng.begin(), rng.size()), 1.0L);
- #endif
- BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(rng), 1);
- #endif
- #if defined(BOOST_HAS_LONG_LONG)
- BOOST_CHECK_EQUAL(lexical_cast<boost::ulong_long_type>(rng), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<boost::ulong_long_type>(rng.begin(), rng.size()), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<boost::long_long_type>(rng), 1);
- BOOST_CHECK_EQUAL(lexical_cast<boost::long_long_type>(rng.begin(), rng.size()), 1);
- #elif defined(BOOST_HAS_MS_INT64)
- BOOST_CHECK_EQUAL(lexical_cast<unsigned __int64>(rng), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<unsigned __int64>(rng.begin(), rng.size()), 1u);
- BOOST_CHECK_EQUAL(lexical_cast<__int64>(rng), 1);
- BOOST_CHECK_EQUAL(lexical_cast<__int64>(rng.begin(), rng.size()), 1);
- #endif
- }
- template <class CharT>
- void test_it_range_using_any_chars(CharT* one, CharT* eleven)
- {
- typedef CharT test_char_type;
- // Zero terminated
- iterator_range<test_char_type*> rng1(one, one + 1);
- do_test_iterator_range_impl(rng1);
- iterator_range<const test_char_type*> crng1(one, one + 1);
- do_test_iterator_range_impl(crng1);
- // Non zero terminated
- iterator_range<test_char_type*> rng2(eleven, eleven + 1);
- do_test_iterator_range_impl(rng2);
- iterator_range<const test_char_type*> crng2(eleven, eleven + 1);
- do_test_iterator_range_impl(crng2);
- }
- template <class CharT>
- void test_it_range_using_char(CharT* one, CharT* eleven)
- {
- typedef CharT test_char_type;
- iterator_range<test_char_type*> rng1(one, one + 1);
- BOOST_CHECK_EQUAL(lexical_cast<std::string>(rng1), "1");
- iterator_range<const test_char_type*> crng1(one, one + 1);
- BOOST_CHECK_EQUAL(lexical_cast<std::string>(crng1), "1");
- iterator_range<test_char_type*> rng2(eleven, eleven + 1);
- BOOST_CHECK_EQUAL(lexical_cast<std::string>(rng2), "1");
- iterator_range<const test_char_type*> crng2(eleven, eleven + 1);
- BOOST_CHECK_EQUAL(lexical_cast<std::string>(crng2), "1");
- BOOST_CHECK_EQUAL(lexical_cast<float>(rng1), 1.0f);
- BOOST_CHECK_EQUAL(lexical_cast<double>(rng1), 1.0);
- #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- BOOST_CHECK_EQUAL(lexical_cast<long double>(rng1), 1.0L);
- #endif
- BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(rng1), 1);
- BOOST_CHECK_EQUAL(lexical_cast<float>(crng2), 1.0f);
- BOOST_CHECK_EQUAL(lexical_cast<double>(crng2), 1.0);
- #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- BOOST_CHECK_EQUAL(lexical_cast<long double>(crng2), 1.0L);
- #endif
- BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(crng2), 1);
- #ifndef BOOST_LCAST_NO_WCHAR_T
- BOOST_CHECK(lexical_cast<std::wstring>(rng1) == L"1");
- BOOST_CHECK(lexical_cast<std::wstring>(crng1) == L"1");
- BOOST_CHECK(lexical_cast<std::wstring>(rng2) == L"1");
- BOOST_CHECK(lexical_cast<std::wstring>(crng2) == L"1");
- #endif
- #if defined(BOOST_LC_RUNU16) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
- typedef std::basic_string<char16_t> my_char16_string;
- BOOST_CHECK(lexical_cast<my_char16_string>(rng1) == u"1");
- BOOST_CHECK(lexical_cast<my_char16_string>(crng1) == u"1");
- BOOST_CHECK(lexical_cast<my_char16_string>(rng2) == u"1");
- BOOST_CHECK(lexical_cast<my_char16_string>(crng2) == u"1");
- #endif
- #if defined(BOOST_LC_RUNU32) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
- typedef std::basic_string<char32_t> my_char32_string;
- BOOST_CHECK(lexical_cast<my_char32_string>(rng1) == U"1");
- BOOST_CHECK(lexical_cast<my_char32_string>(crng1) == U"1");
- BOOST_CHECK(lexical_cast<my_char32_string>(rng2) == U"1");
- BOOST_CHECK(lexical_cast<my_char32_string>(crng2) == U"1");
- #endif
- }
- void test_char_iterator_ranges()
- {
- typedef char test_char_type;
- test_char_type data1[] = "1";
- test_char_type data2[] = "11";
- test_it_range_using_any_chars(data1, data2);
- test_it_range_using_char(data1, data2);
- }
- void test_unsigned_char_iterator_ranges()
- {
- typedef unsigned char test_char_type;
- test_char_type data1[] = "1";
- test_char_type data2[] = "11";
- test_it_range_using_any_chars(data1, data2);
- test_it_range_using_char(data1, data2);
- }
- void test_signed_char_iterator_ranges()
- {
- typedef signed char test_char_type;
- test_char_type data1[] = "1";
- test_char_type data2[] = "11";
- test_it_range_using_any_chars(data1, data2);
- test_it_range_using_char(data1, data2);
- }
- void test_wchar_iterator_ranges()
- {
- #ifndef BOOST_LCAST_NO_WCHAR_T
- typedef wchar_t test_char_type;
- test_char_type data1[] = L"1";
- test_char_type data2[] = L"11";
- test_it_range_using_any_chars(data1, data2);
- #endif
- BOOST_CHECK(true);
- }
- void test_char16_iterator_ranges()
- {
- #if defined(BOOST_LC_RUNU16)
- typedef char16_t test_char_type;
- test_char_type data1[] = u"1";
- test_char_type data2[] = u"11";
- test_it_range_using_any_chars(data1, data2);
- #endif
- BOOST_CHECK(true);
- }
- void test_char32_iterator_ranges()
- {
- #if defined(BOOST_LC_RUNU32)
- typedef char32_t test_char_type;
- test_char_type data1[] = U"1";
- test_char_type data2[] = U"11";
- test_it_range_using_any_chars(data1, data2);
- #endif
- BOOST_CHECK(true);
- }
- unit_test::test_suite *init_unit_test_suite(int, char *[])
- {
- unit_test::test_suite *suite = BOOST_TEST_SUITE("lexical_cast. Testing conversions using iterator_range<>");
- suite->add(BOOST_TEST_CASE(&test_char_iterator_ranges));
- suite->add(BOOST_TEST_CASE(&test_unsigned_char_iterator_ranges));
- suite->add(BOOST_TEST_CASE(&test_signed_char_iterator_ranges));
- suite->add(BOOST_TEST_CASE(&test_wchar_iterator_ranges));
- suite->add(BOOST_TEST_CASE(&test_char16_iterator_ranges));
- suite->add(BOOST_TEST_CASE(&test_char32_iterator_ranges));
- return suite;
- }
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