1 // Copyright (C) 2004 Free Software Foundation, Inc.
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 2, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING.  If not, write to the Free
16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17// USA.
18
19// As a special exception, you may use this file as part of a free software
20// library without restriction.  Specifically, if other files instantiate
21// templates or use macros or inline functions from this file, or you compile
22// this file and link it with other files to produce an executable, this
23// file does not by itself cause the resulting executable to be covered by
24// the GNU General Public License.  This exception does not however
25// invalidate any other reasons why the executable file might be covered by
26// the GNU General Public License.
27
28#include <string>
29#include <testsuite_performance.h>
30
31void
32test_pair(const std::string& s, const std::string& f, int n)
33{
34  std::string::size_type sz = 0;
35
36  for (int i = 0; i < n; ++i)
37    sz = s.find(f);
38}
39
40int main()
41{
42  using namespace std;
43  using namespace __gnu_test;
44
45  time_counter time;
46  resource_counter resource;
47
48  const unsigned int iterations = 2000000;
49
50  string s, f;
51  s = "aabbaabbaaxd adbffdadgaxaabbbddhatyaaaabbbaabbaabbcsy";
52  f = "aabbaabbc";
53  start_counters(time, resource);
54  test_pair(s, f, iterations);
55  stop_counters(time, resource);
56  report_performance(__FILE__, "1", time, resource);
57  clear_counters(time, resource);
58
59  f = "aabbb";
60  start_counters(time, resource);
61  test_pair(s, f, iterations);
62  stop_counters(time, resource);
63  report_performance(__FILE__, "2", time, resource);
64  clear_counters(time, resource);
65
66  f = "xd";
67  start_counters(time, resource);
68  test_pair(s, f, iterations);
69  stop_counters(time, resource);
70  report_performance(__FILE__, "3", time, resource);
71  clear_counters(time, resource);
72
73  s = "dhruv is a very very good boy ;-)";
74  f = "very";
75  start_counters(time, resource);
76  test_pair(s, f, iterations);
77  stop_counters(time, resource);
78  report_performance(__FILE__, "4", time, resource);
79  clear_counters(time, resource);
80
81  f = "bad";
82  start_counters(time, resource);
83  test_pair(s, f, iterations);
84  stop_counters(time, resource);
85  report_performance(__FILE__, "5", time, resource);
86  clear_counters(time, resource);
87
88  f = "extra irritating";
89  start_counters(time, resource);
90  test_pair(s, f, iterations);
91  stop_counters(time, resource);
92  report_performance(__FILE__, "6", time, resource);
93  clear_counters(time, resource);
94
95  s = "this is a very this is a very this is a verty this is a very "
96      "this is a very long sentence";
97  f = "this is a very long sentence";
98  start_counters(time, resource);
99  test_pair(s, f, iterations);
100  stop_counters(time, resource);
101  report_performance(__FILE__, "7", time, resource);
102  clear_counters(time, resource);
103
104  return 0;
105}
106