llvm/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/date_order.pass.cpp

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
// REQUIRES: locale.zh_CN.UTF-8

// <locale>

// class time_get_byname<charT, InputIterator>

// dateorder date_order() const;

#include <locale>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"

#include "platform_support.h" // locale name macros

typedef std::time_get_byname<char, cpp17_input_iterator<const char*> > F;

class my_facet
    : public F
{
public:
    explicit my_facet(const std::string& nm, std::size_t refs = 0)
        : F(nm, refs) {}
};

int main(int, char**)
{
    {
        const my_facet f(LOCALE_en_US_UTF_8, 1);
        assert(f.date_order() == std::time_base::mdy);
    }
    {
        const my_facet f(LOCALE_fr_FR_UTF_8, 1);
        assert(f.date_order() == std::time_base::dmy);
    }
    {
        const my_facet f(LOCALE_ru_RU_UTF_8, 1);
        assert(f.date_order() == std::time_base::dmy);
    }
    {
        const my_facet f(LOCALE_zh_CN_UTF_8, 1);
        assert(f.date_order() == std::time_base::ymd);
    }

  return 0;
}