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) 2008-2014 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 // 21.4 Numeric Conversions [string.conversions]
  24
  25 #include <string>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   bool test __attribute__((unused)) = true;
  32   using namespace std;
  33
  34   long long ll1 = -2;
  35   string one(to_string(ll1));
  36   VERIFY( one == "-2" );
  37
  38   long long ll2 = 10;
  39   string two(to_string(ll2));
  40   VERIFY( two == "10" );
  41
  42   unsigned long long ull1 = 2;
  43   string three(to_string(ull1));
  44   VERIFY( three == "2" );
  45
  46   unsigned long long ull2 = 3000;
  47   string four(to_string(ull2));
  48   VERIFY( four == "3000" );
  49
  50   long double ld1 = 2.0L;
  51   string five(to_string(ld1));
  52   VERIFY( five == "2.000000" );
  53
  54   long double ld2 = -4.0L;
  55   string six(to_string(ld2));
  56   VERIFY( six == "-4.000000" );
  57 }
  58
  59 int main()
  60 {
  61   test01();
  62   return 0;
  63 }