libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-string-conversions "" }
   3 // 2008-06-15  Paolo Carlini  <paolo.carlini@oracle.com>
   4
   5 // Copyright (C) 2008-2022 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 21.4 Numeric Conversions [string.conversions]
  23
  24 #include <string>
  25 #include <testsuite_hooks.h>
  26
  27 void
  28 test01()
  29 {
  30 #if _GLIBCXX_USE_C99_WCHAR
  31
  32   using namespace std;
  33
  34   long long ll1 = -2;
  35   wstring one(to_wstring(ll1));
  36   VERIFY( one == L"-2" );
  37
  38   long long ll2 = 10;
  39   wstring two(to_wstring(ll2));
  40   VERIFY( two == L"10" );
  41
  42   unsigned long long ull1 = 2;
  43   wstring three(to_wstring(ull1));
  44   VERIFY( three == L"2" );
  45
  46   unsigned long long ull2 = 3000;
  47   wstring four(to_wstring(ull2));
  48   VERIFY( four == L"3000" );
  49
  50   long double ld1 = 2.0L;
  51   wstring five(to_wstring(ld1));
  52   VERIFY( five == L"2.000000" );
  53
  54   long double ld2 = -4.0L;
  55   wstring six(to_wstring(ld2));
  56   VERIFY( six == L"-4.000000" );
  57
  58 #endif
  59 }
  60
  61 int main()
  62 {
  63   test01();
  64   return 0;
  65 }