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test: add test case for serializer with locale

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ToruNiina 2023-05-28 18:47:06 +09:00
parent 327f6e7701
commit af13c2867a
1 changed files with 41 additions and 0 deletions
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41
tests/test_serialize_file.cpp
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@ -8,6 +8,8 @@
#include <map>
#include <sstream>
#include <clocale>
template<typename Comment,
template<typename ...> class Table,
template<typename ...> class Array>
@ -357,3 +359,42 @@ array_of_table = [
BOOST_TEST(parsed.at("array_of_table").at(0).comments().size() == 1u);
BOOST_TEST(parsed.at("array_of_table").at(0).comments().front() == " comment about the first element (table)");
}
BOOST_AUTO_TEST_CASE(test_serialize_under_locale)
{
// avoid null init (setlocale returns null when it failed)
std::string setloc(std::setlocale(LC_ALL, nullptr));
// fr_FR is a one of locales that uses `,` as a decimal separator.
if(const char* try_hyphen = std::setlocale(LC_ALL, "fr_FR.UTF-8"))
{
setloc = std::string(try_hyphen);
}
else if(const char* try_nohyphen = std::setlocale(LC_ALL, "fr_FR.utf8"))
{
setloc = std::string(try_nohyphen);
}
BOOST_TEST_MESSAGE("current locale at the beginning of the test = " << setloc);
const std::string str = R"(
pi = 3.14159
large_int = 1234567890
)";
std::istringstream iss(str);
const auto ref = toml::parse(iss);
const auto serialized_str = toml::format(ref, /*width = */ 80);
BOOST_TEST_MESSAGE("serialized = " << serialized_str);
std::istringstream serialized_iss(serialized_str);
const auto serialized_ref = toml::parse(serialized_iss);
BOOST_TEST(serialized_ref.at("pi").as_floating() == ref.at("pi").as_floating());
BOOST_TEST(serialized_ref.at("large_int").as_integer() == ref.at("large_int").as_integer());
const std::string endloc(std::setlocale(LC_ALL, nullptr));
BOOST_TEST_MESSAGE("current locale at the end of the test = " << endloc);
// check if serializer change global locale
BOOST_TEST(setloc == endloc);
}