src/third_party/llvm-project/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_fr_FR.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// XFAIL: apple-darwin

// REQUIRES: locale.fr_FR.UTF-8

// <locale>

// class money_get<charT, InputIterator>

// iter_type get(iter_type b, iter_type e, bool intl, ios_base& iob,
//               ios_base::iostate& err, long double& v) 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_get<char, input_iterator<const char*> > Fn;

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

typedef std::money_get<wchar_t, input_iterator<const 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_decimal = false;
  for (; I < in.size(); ++I) {
    if (seen_decimal || in[I] != L' ') {
      seen_decimal |= 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()
{
    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
            std::string v = "0,00";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one
            std::string v = "-0,01";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive
            std::string v = "1 234 567,89 ";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // negative
            std::string v = "-1 234 567,89";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // negative
            std::string v = "-1234567,89";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // zero, showbase
            std::string v = "0,00 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // zero, showbase
            std::string v = "0,00 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one, showbase
            std::string v = "-0,01 \u20ac";  // EURO SIGN
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // negative one, showbase
            std::string v = "-0,01 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive, showbase
            std::string v = "1 234 567,89 \u20ac";  // EURO SIGN
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // positive, showbase
            std::string v = "1 234 567,89 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::string v = "-1 234 567,89 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::string v = "1 234 567,89 EUR -";
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + 13);
            assert(err == std::ios_base::failbit);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::string v = "1 234 567,89 EUR -";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + 13);
            assert(err == std::ios_base::goodbit);
            assert(ex == 123456789);
        }
        noshowbase(ios);
    }
    {
        const my_facet f(1);
        // char, international
        {   // zero
            std::string v = "0,00";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one
            std::string v = "-0,01";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive
            std::string v = "1 234 567,89 ";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // negative
            std::string v = "-1 234 567,89";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // negative
            std::string v = "-1234567,89";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // zero, showbase
            std::string v = "0,00 EUR";
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // zero, showbase
            std::string v = "0,00 EUR";
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one, showbase
            std::string v = "-0,01 EUR";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // negative one, showbase
            std::string v = "-0,01 EUR";
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive, showbase
            std::string v = "1 234 567,89 EUR";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // positive, showbase
            std::string v = "1 234 567,89 EUR";
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::string v = "-1 234 567,89 EUR";
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::string v = "1 234 567,89 Eu-";
            showbase(ios);
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + 14);
            assert(err == std::ios_base::failbit);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::string v = "1 234 567,89 Eu-";
            typedef input_iterator<const char*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + 13);
            assert(err == std::ios_base::goodbit);
            assert(ex == 123456789);
        }
    }
    {
        const my_facetw f(1);
        // wchar_t, national
        {   // zero
            std::wstring v = L"0,00";
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one
            std::wstring v = L"-0,01";
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive
            std::wstring v = convert_thousands_sep(L"1 234 567,89 ");
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // negative
            std::wstring v = convert_thousands_sep(L"-1 234 567,89");
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // negative
            std::wstring v = L"-1234567,89";
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // zero, showbase
            std::wstring v = L"0,00 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // zero, showbase
            std::wstring v = L"0,00 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one, showbase
            std::wstring v = L"-0,01 \u20ac";  // EURO SIGN
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // negative one, showbase
            std::wstring v = L"-0,01 \u20ac";  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 \u20ac");  // EURO SIGN
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // positive, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 \u20ac");  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::wstring v = convert_thousands_sep(L"-1 234 567,89 \u20ac");  // EURO SIGN
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 EUR -");
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + 13);
            assert(err == std::ios_base::failbit);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 EUR -");
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                false, ios, err, ex);
            assert(iter.base() == v.data() + 13);
            assert(err == std::ios_base::goodbit);
            assert(ex == 123456789);
        }
    }
    {
        const my_facetw f(1);
        // wchar_t, international
        {   // zero
            std::wstring v = L"0,00";
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one
            std::wstring v = L"-0,01";
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive
            std::wstring v = convert_thousands_sep(L"1 234 567,89 ");
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // negative
            std::wstring v = convert_thousands_sep(L"-1 234 567,89");
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // negative
            std::wstring v = L"-1234567,89";
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
        }
        {   // zero, showbase
            std::wstring v = L"0,00 EUR";
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // zero, showbase
            std::wstring v = L"0,00 EUR";
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 0);
        }
        {   // negative one, showbase
            std::wstring v = L"-0,01 EUR";
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // negative one, showbase
            std::wstring v = L"-0,01 EUR";
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -1);
        }
        {   // positive, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 EUR");
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
        }
        {   // positive, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 EUR");
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == 123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::wstring v = convert_thousands_sep(L"-1 234 567,89 EUR");
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + v.size());
            assert(err == std::ios_base::eofbit);
            assert(ex == -123456789);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 Eu-");
            showbase(ios);
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + 14);
            assert(err == std::ios_base::failbit);
            noshowbase(ios);
        }
        {   // negative, showbase
            std::wstring v = convert_thousands_sep(L"1 234 567,89 Eu-");
            typedef input_iterator<const wchar_t*> I;
            long double ex;
            std::ios_base::iostate err = std::ios_base::goodbit;
            I iter = f.get(I(v.data()), I(v.data() + v.size()),
                                                true, ios, err, ex);
            assert(iter.base() == v.data() + 13);
            assert(err == std::ios_base::goodbit);
            assert(ex == 123456789);
        }
    }
}