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127 lines
3.9 KiB
C++
127 lines
3.9 KiB
C++
// Unit test for boost::lexical_cast.
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//
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// See http://www.boost.org for most recent version, including documentation.
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//
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// Copyright Antony Polukhin, 2011-2025.
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//
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// Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
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#include <boost/lexical_cast.hpp>
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#include <boost/core/lightweight_test.hpp>
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#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
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#define BOOST_LCAST_NO_WCHAR_T
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#endif
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template <class CharT>
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void test_impl(const CharT* wc_arr)
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{
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typedef CharT wide_char;
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typedef std::basic_string<CharT> wide_string;
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const char c_arr[] = "Test array of chars";
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const unsigned char uc_arr[] = "Test array of chars";
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const signed char sc_arr[] = "Test array of chars";
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// Following tests depend on realization of std::locale
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// and pass for popular compilers and STL realizations
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BOOST_TEST(boost::lexical_cast<wide_char>(c_arr[0]) == wc_arr[0]);
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BOOST_TEST(boost::lexical_cast<wide_string>(c_arr) == wide_string(wc_arr));
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BOOST_TEST(boost::lexical_cast<wide_string>(sc_arr) == wide_string(wc_arr) );
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BOOST_TEST(boost::lexical_cast<wide_string>(uc_arr) == wide_string(wc_arr) );
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BOOST_TEST(boost::lexical_cast<wide_char>(uc_arr[0]) == wc_arr[0]);
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BOOST_TEST(boost::lexical_cast<wide_char>(sc_arr[0]) == wc_arr[0]);
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}
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void test_char_types_conversions_wchar_t()
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{
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#ifndef BOOST_LCAST_NO_WCHAR_T
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test_impl(L"Test array of chars");
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wchar_t c = boost::detail::lcast_char_constants<wchar_t>::zero;
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BOOST_TEST(L'0' == c);
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c = boost::detail::lcast_char_constants<wchar_t>::minus;
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BOOST_TEST(L'-' == c);
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c = boost::detail::lcast_char_constants<wchar_t>::plus;
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BOOST_TEST(L'+' == c);
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c = boost::detail::lcast_char_constants<wchar_t>::lowercase_e;
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BOOST_TEST(L'e' == c);
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c = boost::detail::lcast_char_constants<wchar_t>::capital_e;
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BOOST_TEST(L'E' == c);
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c = boost::detail::lcast_char_constants<wchar_t>::c_decimal_separator;
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BOOST_TEST(L'.' == c);
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#endif
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BOOST_TEST(true);
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}
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void test_char_types_conversions_char16_t()
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{
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#if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
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test_impl(u"Test array of chars");
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char16_t c = boost::detail::lcast_char_constants<char16_t>::zero;
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BOOST_TEST(u'0' == c);
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c = boost::detail::lcast_char_constants<char16_t>::minus;
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BOOST_TEST(u'-' == c);
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c = boost::detail::lcast_char_constants<char16_t>::plus;
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BOOST_TEST(u'+' == c);
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c = boost::detail::lcast_char_constants<char16_t>::lowercase_e;
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BOOST_TEST(u'e' == c);
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c = boost::detail::lcast_char_constants<char16_t>::capital_e;
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BOOST_TEST(u'E' == c);
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c = boost::detail::lcast_char_constants<char16_t>::c_decimal_separator;
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BOOST_TEST(u'.' == c);
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#endif
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BOOST_TEST(true);
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}
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void test_char_types_conversions_char32_t()
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{
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#if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
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test_impl(U"Test array of chars");
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char32_t c = boost::detail::lcast_char_constants<char32_t>::zero;
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BOOST_TEST(U'0' == c);
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c = boost::detail::lcast_char_constants<char32_t>::minus;
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BOOST_TEST(U'-' == c);
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c = boost::detail::lcast_char_constants<char32_t>::plus;
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BOOST_TEST(U'+' == c);
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c = boost::detail::lcast_char_constants<char32_t>::lowercase_e;
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BOOST_TEST(U'e' == c);
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c = boost::detail::lcast_char_constants<char32_t>::capital_e;
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BOOST_TEST(U'E', == c);
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c = boost::detail::lcast_char_constants<char32_t>::c_decimal_separator;
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BOOST_TEST(U'.' == c);
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#endif
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BOOST_TEST(true);
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}
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int main()
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{
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test_char_types_conversions_wchar_t();
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test_char_types_conversions_char16_t();
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test_char_types_conversions_char32_t();
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return boost::report_errors();
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}
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