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1 | // Copyright (C) 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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 <fstream> | |
ce4f8c6b | 29 | #include <testsuite_performance.h> |
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30 | |
31 | // libstdc++/10672 | |
32 | int main() | |
33 | { | |
34 | using namespace std; | |
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35 | using namespace __gnu_cxx_test; |
36 | ||
37 | time_counter time; | |
38 | resource_counter resource; | |
39 | const int iterations = 300000; | |
40 | ||
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41 | fstream s("tmp_perf_seek", ios::binary | ios::in | ios::out | ios::trunc); |
42 | if (s.good()) | |
43 | { | |
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44 | start_counters(time, resource); |
45 | for (int i = 0; i < iterations; i++) | |
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46 | { |
47 | s.seekp(0); | |
48 | s.write((char *) & i, sizeof(int)); | |
49 | s.seekp(sizeof(int)); | |
50 | s.write((char *) & i, sizeof(int)); | |
51 | } | |
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52 | stop_counters(time, resource); |
53 | report_performance(__FILE__, "", time, resource); | |
ca5e1be8 | 54 | } |
ce4f8c6b | 55 | |
ac3d7b44 | 56 | unlink("tmp_perf_seek"); |
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57 | return 0; |
58 | } |