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

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-string-conversions "" }
   3
   4 // 2008-06-15  Paolo Carlini  <paolo.carlini@oracle.com>
   5
   6 // Copyright (C) 2008 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 2, 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 COPYING.  If not, write to the Free
  21 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22 // USA.
  23
  24 // 21.4 Numeric Conversions [string.conversions]
  25
  26 #include <string>
  27 #include <testsuite_hooks.h>
  28
  29 void
  30 test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   using namespace std;
  34
  35   long long ll1 = -2;
  36   string one(to_string(ll1));
  37   VERIFY( one == "-2" );
  38
  39   long long ll2 = 10;
  40   string two(to_string(ll2));
  41   VERIFY( two == "10" );
  42
  43   unsigned long long ull1 = 2;
  44   string three(to_string(ull1));
  45   VERIFY( three == "2" );
  46
  47   unsigned long long ull2 = 3000;
  48   string four(to_string(ull2));
  49   VERIFY( four == "3000" );
  50
  51   long double ld1 = 2.0L;
  52   string five(to_string(ld1));
  53   VERIFY( five == "2.000000" );
  54
  55   long double ld2 = -4.0L;
  56   string six(to_string(ld2));
  57   VERIFY( six == "-4.000000" );
  58 }
  59
  60 int main()
  61 {
  62   test01();
  63   return 0;
  64 }