| 1 | // Copyright 2024 Alexander Grund |
|---|---|
| 2 | // Copyright 2024 Matt Borland |
| 3 | // Distributed under the Boost Software License, Version 1.0. |
| 4 | // https://www.boost.org/LICENSE_1_0.txt |
| 5 | |
| 6 | #include <locale> |
| 7 | #include <iostream> |
| 8 | #include <boost/charconv.hpp> |
| 9 | #include <boost/charconv/detail/fallback_routines.hpp> |
| 10 | #include <boost/core/lightweight_test.hpp> |
| 11 | |
| 12 | template <typename T> |
| 13 | void test() |
| 14 | { |
| 15 | const char buffer[] = "1.1897e+2"; |
| 16 | constexpr auto valdiation_value = static_cast<T>(1.1897e+2L); |
| 17 | |
| 18 | try |
| 19 | { |
| 20 | #ifdef BOOST_MSVC |
| 21 | std::locale::global(std::locale("German")); |
| 22 | #else |
| 23 | std::locale::global(loc: std::locale("de_DE.UTF-8")); |
| 24 | #endif |
| 25 | } |
| 26 | // LCOV_EXCL_START |
| 27 | catch (...) |
| 28 | { |
| 29 | std::cerr << "Locale not installed. Skipping test."<< std::endl; |
| 30 | return; |
| 31 | } |
| 32 | // LCOV_EXCL_STOP |
| 33 | |
| 34 | T v = 0; |
| 35 | auto r = boost::charconv::detail::from_chars_strtod(buffer, buffer + sizeof(buffer), v); |
| 36 | BOOST_TEST(r); |
| 37 | |
| 38 | std::locale::global(loc: std::locale::classic()); |
| 39 | T v2 = 0; |
| 40 | auto r2 = boost::charconv::detail::from_chars_strtod(buffer, buffer + sizeof(buffer), v2); |
| 41 | BOOST_TEST(r2); |
| 42 | |
| 43 | BOOST_TEST_EQ(v, v2); |
| 44 | BOOST_TEST_EQ(v, valdiation_value); |
| 45 | BOOST_TEST(r.ptr == r2.ptr); |
| 46 | } |
| 47 | |
| 48 | // See: https://stackoverflow.com/questions/1745045/stdlocale-breakage-on-macos-10-6-with-lang-en-us-utf-8 |
| 49 | #if !defined(__APPLE__) || (defined(__APPLE__) && defined(__clang__)) |
| 50 | |
| 51 | int main() |
| 52 | { |
| 53 | test<float>(); |
| 54 | test<double>(); |
| 55 | test<long double>(); |
| 56 | |
| 57 | return boost::report_errors(); |
| 58 | } |
| 59 | |
| 60 | #else |
| 61 | |
| 62 | int main() |
| 63 | { |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | #endif |
| 68 |