libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-string-conversions "" }
   3
   4 // 2008-06-15  Paolo Carlini  <paolo.carlini@oracle.com>
   5
   6 // Copyright (C) 2008-2020 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // C++11 21.5 Numeric Conversions [string.conversions]
  24
  25 #include <string>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   using namespace std;
  32
  33   long long ll1 = -2;
  34   string one(to_string(ll1));
  35   VERIFY( one == "-2" );
  36
  37   long long ll2 = 10;
  38   string two(to_string(ll2));
  39   VERIFY( two == "10" );
  40
  41   unsigned long long ull1 = 2;
  42   string three(to_string(ull1));
  43   VERIFY( three == "2" );
  44
  45   unsigned long long ull2 = 3000;
  46   string four(to_string(ull2));
  47   VERIFY( four == "3000" );
  48
  49   long double ld1 = 2.0L;
  50   string five(to_string(ld1));
  51   VERIFY( five == "2.000000" );
  52
  53   long double ld2 = -4.0L;
  54   string six(to_string(ld2));
  55   VERIFY( six == "-4.000000" );
  56 }
  57
  58 int main()
  59 {
  60   test01();
  61 }