1  // Copyright (C) 2004-2020 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 3, 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 COPYING3.  If not see
16 // <http://www.gnu.org/licenses/>.
17 
18 
19 #include <string>
20 #include <testsuite_performance.h>
21 
22 void
test_pair(const std::string & s,const std::string & f,int n)23 test_pair(const std::string& s, const std::string& f, int n)
24 {
25   std::string::size_type sz = 0;
26 
27   for (int i = 0; i < n; ++i)
28     sz = s.find(f);
29 }
30 
main()31 int main()
32 {
33   using namespace std;
34   using namespace __gnu_test;
35 
36   time_counter time;
37   resource_counter resource;
38 
39   const unsigned int iterations = 2000000;
40 
41   string s, f;
42   s = "aabbaabbaaxd adbffdadgaxaabbbddhatyaaaabbbaabbaabbcsy";
43   f = "aabbaabbc";
44   start_counters(time, resource);
45   test_pair(s, f, iterations);
46   stop_counters(time, resource);
47   report_performance(__FILE__, "1", time, resource);
48   clear_counters(time, resource);
49 
50   f = "aabbb";
51   start_counters(time, resource);
52   test_pair(s, f, iterations);
53   stop_counters(time, resource);
54   report_performance(__FILE__, "2", time, resource);
55   clear_counters(time, resource);
56 
57   f = "xd";
58   start_counters(time, resource);
59   test_pair(s, f, iterations);
60   stop_counters(time, resource);
61   report_performance(__FILE__, "3", time, resource);
62   clear_counters(time, resource);
63 
64   s = "dhruv is a very very good boy ;-)";
65   f = "very";
66   start_counters(time, resource);
67   test_pair(s, f, iterations);
68   stop_counters(time, resource);
69   report_performance(__FILE__, "4", time, resource);
70   clear_counters(time, resource);
71 
72   f = "bad";
73   start_counters(time, resource);
74   test_pair(s, f, iterations);
75   stop_counters(time, resource);
76   report_performance(__FILE__, "5", time, resource);
77   clear_counters(time, resource);
78 
79   f = "extra irritating";
80   start_counters(time, resource);
81   test_pair(s, f, iterations);
82   stop_counters(time, resource);
83   report_performance(__FILE__, "6", time, resource);
84   clear_counters(time, resource);
85 
86   s = "this is a very this is a very this is a verty this is a very "
87       "this is a very long sentence";
88   f = "this is a very long sentence";
89   start_counters(time, resource);
90   test_pair(s, f, iterations);
91   stop_counters(time, resource);
92   report_performance(__FILE__, "7", time, resource);
93   clear_counters(time, resource);
94 
95   return 0;
96 }
97