lexical_cast/test/wchars_test.cpp
Antony Polukhin af5ce2a5fe
Drop C++03 and C++98 support (#62)
Also update tests to not use Boost.Test
2023-09-02 17:42:14 +03:00

127 lines
3.9 KiB
C++

// Unit test for boost::lexical_cast.
//
// See http://www.boost.org for most recent version, including documentation.
//
// Copyright Antony Polukhin, 2011-2023.
//
// 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/lexical_cast.hpp>
#include <boost/core/lightweight_test.hpp>
#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
#define BOOST_LCAST_NO_WCHAR_T
#endif
template <class CharT>
void test_impl(const CharT* wc_arr)
{
typedef CharT wide_char;
typedef std::basic_string<CharT> wide_string;
const char c_arr[] = "Test array of chars";
const unsigned char uc_arr[] = "Test array of chars";
const signed char sc_arr[] = "Test array of chars";
// Following tests depend on realization of std::locale
// and pass for popular compilers and STL realizations
BOOST_TEST(boost::lexical_cast<wide_char>(c_arr[0]) == wc_arr[0]);
BOOST_TEST(boost::lexical_cast<wide_string>(c_arr) == wide_string(wc_arr));
BOOST_TEST(boost::lexical_cast<wide_string>(sc_arr) == wide_string(wc_arr) );
BOOST_TEST(boost::lexical_cast<wide_string>(uc_arr) == wide_string(wc_arr) );
BOOST_TEST(boost::lexical_cast<wide_char>(uc_arr[0]) == wc_arr[0]);
BOOST_TEST(boost::lexical_cast<wide_char>(sc_arr[0]) == wc_arr[0]);
}
void test_char_types_conversions_wchar_t()
{
#ifndef BOOST_LCAST_NO_WCHAR_T
test_impl(L"Test array of chars");
wchar_t c = boost::detail::lcast_char_constants<wchar_t>::zero;
BOOST_TEST(L'0' == c);
c = boost::detail::lcast_char_constants<wchar_t>::minus;
BOOST_TEST(L'-' == c);
c = boost::detail::lcast_char_constants<wchar_t>::plus;
BOOST_TEST(L'+' == c);
c = boost::detail::lcast_char_constants<wchar_t>::lowercase_e;
BOOST_TEST(L'e' == c);
c = boost::detail::lcast_char_constants<wchar_t>::capital_e;
BOOST_TEST(L'E' == c);
c = boost::detail::lcast_char_constants<wchar_t>::c_decimal_separator;
BOOST_TEST(L'.' == c);
#endif
BOOST_TEST(true);
}
void test_char_types_conversions_char16_t()
{
#if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
test_impl(u"Test array of chars");
char16_t c = boost::detail::lcast_char_constants<char16_t>::zero;
BOOST_TEST(u'0' == c);
c = boost::detail::lcast_char_constants<char16_t>::minus;
BOOST_TEST(u'-' == c);
c = boost::detail::lcast_char_constants<char16_t>::plus;
BOOST_TEST(u'+' == c);
c = boost::detail::lcast_char_constants<char16_t>::lowercase_e;
BOOST_TEST(u'e' == c);
c = boost::detail::lcast_char_constants<char16_t>::capital_e;
BOOST_TEST(u'E' == c);
c = boost::detail::lcast_char_constants<char16_t>::c_decimal_separator;
BOOST_TEST(u'.' == c);
#endif
BOOST_TEST(true);
}
void test_char_types_conversions_char32_t()
{
#if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
test_impl(U"Test array of chars");
char32_t c = boost::detail::lcast_char_constants<char32_t>::zero;
BOOST_TEST(U'0' == c);
c = boost::detail::lcast_char_constants<char32_t>::minus;
BOOST_TEST(U'-' == c);
c = boost::detail::lcast_char_constants<char32_t>::plus;
BOOST_TEST(U'+' == c);
c = boost::detail::lcast_char_constants<char32_t>::lowercase_e;
BOOST_TEST(U'e' == c);
c = boost::detail::lcast_char_constants<char32_t>::capital_e;
BOOST_TEST(U'E', == c);
c = boost::detail::lcast_char_constants<char32_t>::c_decimal_separator;
BOOST_TEST(U'.' == c);
#endif
BOOST_TEST(true);
}
int main()
{
test_char_types_conversions_wchar_t();
test_char_types_conversions_char16_t();
test_char_types_conversions_char32_t();
return boost::report_errors();
}