libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/38399.cc

   1 // Copyright (C) 2008-2021 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 22.2.6.1.1 money_get members
  19
  20 #include <locale>
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23
  24 class my_moneypunct : public std::moneypunct<wchar_t>
  25 {
  26 protected:
  27   //this should disable fraction part of monetary value
  28   int do_frac_digits() const { return 0; }
  29 };
  30
  31 // libstdc++/38399
  32 void test01()
  33 {
  34   using namespace std;
  35
  36   locale loc(locale(), new my_moneypunct());
  37   wstringstream ss(L"123.455");
  38   ss.imbue(loc);
  39   wstring digits;
  40   ios_base::iostate err;
  41   istreambuf_iterator<wchar_t> iter =
  42     use_facet<money_get<wchar_t> >(loc).get(ss, 0, false, ss, err, digits);
  43
  44   wstring rest = wstring(iter, istreambuf_iterator<wchar_t>());
  45   VERIFY( digits == L"123" );
  46   VERIFY( rest == L".455" );
  47 }
  48
  49 int main()
  50 {
  51   test01();
  52   return 0;
  53 }