libstdc++-v3/testsuite/performance/map_create_fill.cc

   1 // 2003-03-01 gp dot bolton at computer dot org
   2
   3 // Copyright (C) 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <map>
  22 #include <testsuite_hooks.h>
  23 #include <testsuite_performance.h>
  24
  25 static void create_and_fill(const unsigned int n)
  26 {
  27   typedef std::map<int, int>  Map;
  28   Map                         m;
  29   bool test __attribute__((unused)) = true;
  30
  31   for (unsigned int i = 0; i < n; ++i)
  32     m[i] = i;
  33   VERIFY( m.size() == n );
  34 }
  35
  36 // http://gcc.gnu.org/ml/libstdc++/2003-03/msg00000.html
  37 int main()
  38 {
  39   using namespace std;
  40   using namespace __gnu_test;
  41
  42   time_counter time;
  43   resource_counter resource;
  44   const int iterations = 100000000;
  45
  46   start_counters(time, resource);
  47   for (int i = 0; i < iterations; ++i)
  48     create_and_fill( 0 );
  49   stop_counters(time, resource);
  50   report_performance(__FILE__, "", time, resource);
  51
  52   return 0;
  53 }