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f1717362 | 1 | // Copyright (C) 2004-2016 Free Software Foundation, Inc. |
afd3c60a | 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 | |
6bc9506f | 6 | // Free Software Foundation; either version 3, or (at your option) |
afd3c60a | 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 | |
6bc9506f | 15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
afd3c60a | 17 | |
18 | // 21.3.7.9 inserters and extractors | |
19 | ||
a627ce7f | 20 | // { dg-options "-DMAX_SIZE=505" { target simulator } } |
21 | ||
22 | #ifndef MAX_SIZE | |
23 | #define MAX_SIZE 777 | |
24 | #endif | |
25 | ||
afd3c60a | 26 | #include <istream> |
27 | #include <string> | |
28 | #include <fstream> | |
ceb6f07a | 29 | #include <cstdlib> |
afd3c60a | 30 | #include <testsuite_hooks.h> |
31 | ||
32 | using namespace std; | |
33 | ||
34 | wstring prepare(wstring::size_type len, unsigned nchunks, wchar_t delim) | |
35 | { | |
36 | wstring ret; | |
37 | for (unsigned i = 0; i < nchunks; ++i) | |
38 | { | |
39 | for (wstring::size_type j = 0; j < len; ++j) | |
40 | ret.push_back(L'a' + rand() % 26); | |
41 | len *= 2; | |
42 | ret.push_back(delim); | |
43 | } | |
44 | return ret; | |
45 | } | |
46 | ||
7b73f71f | 47 | void check(wistream& stream, const wstring& str, unsigned nchunks, wchar_t delim) |
afd3c60a | 48 | { |
49 | bool test __attribute__((unused)) = true; | |
50 | ||
51 | wstring chunk; | |
52 | wstring::size_type index = 0, index_new = 0; | |
7b73f71f | 53 | unsigned n = 0; |
afd3c60a | 54 | |
55 | while (getline(stream, chunk, delim)) | |
56 | { | |
57 | index_new = str.find(delim, index); | |
58 | VERIFY( !str.compare(index, index_new - index, chunk) ); | |
59 | index = index_new + 1; | |
7b73f71f | 60 | ++n; |
afd3c60a | 61 | } |
62 | VERIFY( stream.eof() ); | |
7b73f71f | 63 | VERIFY( n == nchunks ); |
afd3c60a | 64 | } |
65 | ||
66 | // istream& getline(istream&, string&, char) | |
67 | void test01() | |
68 | { | |
69 | const char filename[] = "inserters_extractors-2.txt"; | |
70 | ||
71 | const wchar_t delim = L'|'; | |
7b73f71f | 72 | const unsigned nchunks = 10; |
a627ce7f | 73 | const wstring data = prepare(MAX_SIZE, nchunks, delim); |
afd3c60a | 74 | |
75 | wofstream ofstrm; | |
76 | ofstrm.open(filename); | |
77 | ofstrm.write(data.data(), data.size()); | |
78 | ofstrm.close(); | |
79 | ||
80 | wifstream ifstrm; | |
81 | ifstrm.open(filename); | |
7b73f71f | 82 | check(ifstrm, data, nchunks, delim); |
afd3c60a | 83 | ifstrm.close(); |
84 | } | |
85 | ||
86 | int main() | |
87 | { | |
88 | test01(); | |
89 | return 0; | |
90 | } |