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748086b7 | 1 | // Copyright (C) 2004, 2005, 2006, 2007, 2009 Free Software Foundation |
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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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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17 | |
18 | // 21.3.7.9 inserters and extractors | |
19 | ||
20 | #include <istream> | |
21 | #include <string> | |
22 | #include <fstream> | |
debac9f4 | 23 | #include <cstdlib> |
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24 | #include <testsuite_hooks.h> |
25 | ||
26 | using namespace std; | |
27 | ||
28 | wstring prepare(wstring::size_type len, unsigned nchunks) | |
29 | { | |
30 | wstring ret; | |
31 | for (unsigned i = 0; i < nchunks; ++i) | |
32 | { | |
33 | for (wstring::size_type j = 0; j < len; ++j) | |
34 | ret.push_back(L'a' + rand() % 26); | |
35 | len *= 2; | |
36 | ret.push_back(L' '); | |
37 | } | |
38 | return ret; | |
39 | } | |
40 | ||
b1c5b5a0 | 41 | void check(wistream& stream, const wstring& str, unsigned nchunks) |
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42 | { |
43 | bool test __attribute__((unused)) = true; | |
44 | ||
45 | wstring chunk; | |
46 | wstring::size_type index = 0, index_new = 0; | |
b1c5b5a0 | 47 | unsigned n = 0; |
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48 | |
49 | while (stream >> chunk) | |
50 | { | |
51 | index_new = str.find(L' ', index); | |
52 | VERIFY( !str.compare(index, index_new - index, chunk) ); | |
53 | index = index_new + 1; | |
b1c5b5a0 | 54 | ++n; |
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55 | } |
56 | VERIFY( stream.eof() ); | |
b1c5b5a0 | 57 | VERIFY( n == nchunks ); |
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58 | } |
59 | ||
60 | // istream& operator>>(istream&, string&) | |
61 | void test01() | |
62 | { | |
63 | const char filename[] = "inserters_extractors-3.txt"; | |
64 | ||
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65 | const unsigned nchunks = 10; |
66 | const wstring data = prepare(666, nchunks); | |
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67 | |
68 | wofstream ofstrm; | |
69 | ofstrm.open(filename); | |
70 | ofstrm.write(data.data(), data.size()); | |
71 | ofstrm.close(); | |
72 | ||
73 | wifstream ifstrm; | |
74 | ifstrm.open(filename); | |
b1c5b5a0 | 75 | check(ifstrm, data, nchunks); |
3adf6cad PC |
76 | ifstrm.close(); |
77 | } | |
78 | ||
79 | int main() | |
80 | { | |
81 | test01(); | |
82 | return 0; | |
83 | } |