//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// XFAIL: apple-darwin
//
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd

// REQUIRES: locale.fr_FR.UTF-8

// <locale>

// class money_put<charT, OutputIterator>

// iter_type put(iter_type s, bool intl, ios_base& f, char_type fill,
//               long double units) const;

#include <locale>
#include <ios>
#include <streambuf>
#include <cassert>
#include "test_iterators.h"

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

typedef std::money_put<char, output_iterator<char*> > Fn;

class my_facet
    : public Fn
{
public:
    explicit my_facet(std::size_t refs = 0)
        : Fn(refs) {}
};

typedef std::money_put<wchar_t, output_iterator<wchar_t*> > Fw;

class my_facetw
    : public Fw
{
public:
    explicit my_facetw(std::size_t refs = 0)
        : Fw(refs) {}
};


// GLIBC 2.27 and newer use U2027 (narrow non-breaking space) as a thousands sep.
// this function converts the spaces in string inputs to that character if need
// be.
static std::wstring convert_thousands_sep(std::wstring const& in) {
#ifndef TEST_GLIBC_PREREQ
#define TEST_GLIBC_PREREQ(x, y) 0
#endif
#if TEST_GLIBC_PREREQ(2,27)
  std::wstring out;
  unsigned I = 0;
  bool seen_num_start = false;
  bool seen_decimal = false;
  for (; I < in.size(); ++I) {
    seen_decimal |= in[I] == L',';
    seen_num_start |= in[I] == '-' || std::iswdigit(in[I]);
    if (seen_decimal || !seen_num_start || in[I] != L' ') {
      out.push_back(in[I]);
      continue;
    }
    assert(in[I] == L' ');
    out.push_back(L'\u202F');
  }
  return out;
#else
  return in;
#endif
}

int main(int, char**)
{
    std::ios ios(0);
    std::string loc_name(LOCALE_fr_FR_UTF_8);
    ios.imbue(std::locale(ios.getloc(),
                          new std::moneypunct_byname<char, false>(loc_name)));
    ios.imbue(std::locale(ios.getloc(),
                          new std::moneypunct_byname<char, true>(loc_name)));
    ios.imbue(std::locale(ios.getloc(),
                          new std::moneypunct_byname<wchar_t, false>(loc_name)));
    ios.imbue(std::locale(ios.getloc(),
                          new std::moneypunct_byname<wchar_t, true>(loc_name)));
{
    const my_facet f(1);
    // char, national
    {   // zero
        long double v = 0;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "0,00");
    }
    {   // negative one
        long double v = -1;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-0,01");
    }
    {   // positive
        long double v = 123456789;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "1 234 567,89");
    }
    {   // negative
        long double v = -123456789;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89");
    }
    {   // zero, showbase
        long double v = 0;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "0,00 \u20ac");
    }
    {   // negative one, showbase
        long double v = -1;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-0,01 \u20ac");
    }
    {   // positive, showbase
        long double v = 123456789;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "1 234 567,89 \u20ac");
    }
    {   // negative, showbase
        long double v = -123456789;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89 \u20ac");
    }
    {   // negative, showbase, left
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        left(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, ' ', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89 \u20ac   ");
        assert(ios.width() == 0);
    }
    {   // negative, showbase, internal
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        internal(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, ' ', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89    \u20ac");
        assert(ios.width() == 0);
    }
    {   // negative, showbase, right
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        right(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            false, ios, ' ', v);
        std::string ex(str, iter.base());
        assert(ex == "   -1 234 567,89 \u20ac");
        assert(ios.width() == 0);
    }

    // char, international
    noshowbase(ios);
    ios.unsetf(std::ios_base::adjustfield);
    {   // zero
        long double v = 0;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "0,00");
    }
    {   // negative one
        long double v = -1;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-0,01");
    }
    {   // positive
        long double v = 123456789;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "1 234 567,89");
    }
    {   // negative
        long double v = -123456789;
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89");
    }
    {   // zero, showbase
        long double v = 0;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "0,00 EUR");
    }
    {   // negative one, showbase
        long double v = -1;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-0,01 EUR");
    }
    {   // positive, showbase
        long double v = 123456789;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "1 234 567,89 EUR");
    }
    {   // negative, showbase
        long double v = -123456789;
        showbase(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, '*', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89 EUR");
    }
    {   // negative, showbase, left
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        left(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, ' ', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89 EUR   ");
        assert(ios.width() == 0);
    }
    {   // negative, showbase, internal
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        internal(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, ' ', v);
        std::string ex(str, iter.base());
        assert(ex == "-1 234 567,89    EUR");
        assert(ios.width() == 0);
    }
    {   // negative, showbase, right
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        right(ios);
        char str[100];
        output_iterator<char*> iter = f.put(output_iterator<char*>(str),
                                            true, ios, ' ', v);
        std::string ex(str, iter.base());
        assert(ex == "   -1 234 567,89 EUR");
        assert(ios.width() == 0);
    }
}
{
    const my_facetw f(1);
    // wchar_t, national
    noshowbase(ios);
    ios.unsetf(std::ios_base::adjustfield);
    {   // zero
        long double v = 0;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"0,00");
    }
    {   // negative one
        long double v = -1;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"-0,01");
    }
    {   // positive
        long double v = 123456789;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"1 234 567,89"));
    }
    {   // negative
        long double v = -123456789;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89"));
    }
    {   // zero, showbase
        long double v = 0;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"0,00 \u20ac");
    }
    {   // negative one, showbase
        long double v = -1;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"-0,01 \u20ac");
    }
    {   // positive, showbase
        long double v = 123456789;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"1 234 567,89 \u20ac"));
    }
    {   // negative, showbase
        long double v = -123456789;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89 \u20ac"));
    }
    {   // negative, showbase, left
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        left(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, ' ', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89 \u20ac     "));
        assert(ios.width() == 0);
    }
    {   // negative, showbase, internal
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        internal(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, ' ', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89      \u20ac"));
        assert(ios.width() == 0);
    }
    {   // negative, showbase, right
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        right(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            false, ios, ' ', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"     -1 234 567,89 \u20ac"));
        assert(ios.width() == 0);
    }

    // wchar_t, international
    noshowbase(ios);
    ios.unsetf(std::ios_base::adjustfield);
    {   // zero
        long double v = 0;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"0,00");
    }
    {   // negative one
        long double v = -1;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"-0,01");
    }
    {   // positive
        long double v = 123456789;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"1 234 567,89"));
    }
    {   // negative
        long double v = -123456789;
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89"));
    }
    {   // zero, showbase
        long double v = 0;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"0,00 EUR");
    }
    {   // negative one, showbase
        long double v = -1;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == L"-0,01 EUR");
    }
    {   // positive, showbase
        long double v = 123456789;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"1 234 567,89 EUR"));
    }
    {   // negative, showbase
        long double v = -123456789;
        showbase(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, '*', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89 EUR"));
    }
    {   // negative, showbase, left
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        left(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, ' ', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89 EUR   "));
        assert(ios.width() == 0);
    }
    {   // negative, showbase, internal
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        internal(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, ' ', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"-1 234 567,89    EUR"));
        assert(ios.width() == 0);
    }
    {   // negative, showbase, right
        long double v = -123456789;
        showbase(ios);
        ios.width(20);
        right(ios);
        wchar_t str[100];
        output_iterator<wchar_t*> iter = f.put(output_iterator<wchar_t*>(str),
                                            true, ios, ' ', v);
        std::wstring ex(str, iter.base());
        assert(ex == convert_thousands_sep(L"   -1 234 567,89 EUR"));
        assert(ios.width() == 0);
    }
}

  return 0;
}
