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// Copyright 2024 Alexander Grund
// Copyright 2024 Matt Borland
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <locale>
#include <iostream>
#include <boost/charconv.hpp>
#include <boost/charconv/detail/fallback_routines.hpp>
#include <boost/core/lightweight_test.hpp>
template <typename T>
void test()
{
const char buffer[] = "1.1897e+2";
constexpr auto valdiation_value = static_cast<T>(1.1897e+2L);
try
{
#ifdef BOOST_MSVC
std::locale::global(std::locale("German"));
#else
std::locale::global(std::locale("de_DE.UTF-8"));
#endif
}
// LCOV_EXCL_START
catch (...)
{
std::cerr << "Locale not installed. Skipping test." << std::endl;
return;
}
// LCOV_EXCL_STOP
T v = 0;
auto r = boost::charconv::detail::from_chars_strtod(buffer, buffer + sizeof(buffer), v);
BOOST_TEST(r);
std::locale::global(std::locale::classic());
T v2 = 0;
auto r2 = boost::charconv::detail::from_chars_strtod(buffer, buffer + sizeof(buffer), v2);
BOOST_TEST(r2);
BOOST_TEST_EQ(v, v2);
BOOST_TEST_EQ(v, valdiation_value);
BOOST_TEST(r.ptr == r2.ptr);
}
// See: https://stackoverflow.com/questions/1745045/stdlocale-breakage-on-macos-10-6-with-lang-en-us-utf-8
#if !defined(__APPLE__) || (defined(__APPLE__) && defined(__clang__))
int main()
{
test<float>();
test<double>();
#ifndef BOOST_CHARCONV_UNSUPPORTED_LONG_DOUBLE
test<long double>();
#endif
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif
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