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// Copyright (C) 2003-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <ctime>
#include <iostream>
#include <string>
#include <testsuite_performance.h>
using namespace std;
void
test_append_char(int how_much)
{
string buf; // no preallocation
for (int i = 0; i < how_much; ++i)
buf.append(static_cast<string::size_type>(1) , 'x');
}
void
test_append_string(int how_much)
{
string s(static_cast<string::size_type>(1) , 'x');
string buf; // no preallocation
for (int i = 0; i < how_much; ++i)
buf.append(s);
}
void
run_benchmark1(int how_much)
{
using namespace __gnu_test;
time_counter time;
resource_counter resource;
start_counters(time, resource);
test_append_char(how_much);
stop_counters(time, resource);
report_performance(__FILE__, "char", time, resource);
}
void
run_benchmark2(int how_much)
{
using namespace __gnu_test;
time_counter time;
resource_counter resource;
start_counters(time, resource);
test_append_string(how_much);
stop_counters(time, resource);
report_performance(__FILE__, "string", time, resource);
}
// libstdc++/5380
// libstdc++/4960
int main()
{
run_benchmark1(100000);
run_benchmark2(100000);
run_benchmark1(1000000);
run_benchmark2(1000000);
run_benchmark1(10000000);
run_benchmark2(10000000);
}
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