1 // Copyright (C) 2003-2022 Free Software Foundation, Inc.
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)
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.
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/>.
21 #include <testsuite_performance.h>
26 using namespace __gnu_test
;
29 resource_counter resource
;
30 const unsigned long count
= 1ul << 30;
33 FILE* fpi
= fopen("/dev/zero", "r");
34 FILE* fpo
= fopen("/dev/null", "w");
35 start_counters(time
, resource
);
36 for (unsigned long i
= 0; i
< count
; ++i
)
38 int c
= getc_unlocked(fpi
);
39 if (c
== EOF
|| putc_unlocked(c
, fpo
) == EOF
)
42 stop_counters(time
, resource
);
45 report_performance(__FILE__
, "C unlocked", time
, resource
);
46 clear_counters(time
, resource
);
50 in
.open("/dev/zero", ios::in
);
52 out
.open("/dev/null", ios::out
);
53 start_counters(time
, resource
);
54 for (unsigned long i
= 0; i
< count
; ++i
)
57 if (c
== EOF
|| out
.sputc(c
) == EOF
)
60 stop_counters(time
, resource
);
63 report_performance(__FILE__
, "C++", time
, resource
);