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fbd26352 | 1 | // Copyright (C) 2004-2019 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 } } |
9aa75c2d | 21 | // { dg-require-fileio "" } |
a627ce7f | 22 | |
23 | #ifndef MAX_SIZE | |
24 | #define MAX_SIZE 777 | |
25 | #endif | |
26 | ||
afd3c60a | 27 | #include <istream> |
28 | #include <string> | |
29 | #include <fstream> | |
ceb6f07a | 30 | #include <cstdlib> |
afd3c60a | 31 | #include <testsuite_hooks.h> |
32 | ||
33 | using namespace std; | |
34 | ||
35 | wstring prepare(wstring::size_type len, unsigned nchunks, wchar_t delim) | |
36 | { | |
37 | wstring ret; | |
38 | for (unsigned i = 0; i < nchunks; ++i) | |
39 | { | |
40 | for (wstring::size_type j = 0; j < len; ++j) | |
41 | ret.push_back(L'a' + rand() % 26); | |
42 | len *= 2; | |
43 | ret.push_back(delim); | |
44 | } | |
45 | return ret; | |
46 | } | |
47 | ||
7b73f71f | 48 | void check(wistream& stream, const wstring& str, unsigned nchunks, wchar_t delim) |
afd3c60a | 49 | { |
afd3c60a | 50 | wstring chunk; |
51 | wstring::size_type index = 0, index_new = 0; | |
7b73f71f | 52 | unsigned n = 0; |
afd3c60a | 53 | |
54 | while (getline(stream, chunk, delim)) | |
55 | { | |
56 | index_new = str.find(delim, index); | |
57 | VERIFY( !str.compare(index, index_new - index, chunk) ); | |
58 | index = index_new + 1; | |
7b73f71f | 59 | ++n; |
afd3c60a | 60 | } |
61 | VERIFY( stream.eof() ); | |
7b73f71f | 62 | VERIFY( n == nchunks ); |
afd3c60a | 63 | } |
64 | ||
65 | // istream& getline(istream&, string&, char) | |
66 | void test01() | |
67 | { | |
68 | const char filename[] = "inserters_extractors-2.txt"; | |
69 | ||
70 | const wchar_t delim = L'|'; | |
7b73f71f | 71 | const unsigned nchunks = 10; |
a627ce7f | 72 | const wstring data = prepare(MAX_SIZE, nchunks, delim); |
afd3c60a | 73 | |
74 | wofstream ofstrm; | |
75 | ofstrm.open(filename); | |
76 | ofstrm.write(data.data(), data.size()); | |
77 | ofstrm.close(); | |
78 | ||
79 | wifstream ifstrm; | |
80 | ifstrm.open(filename); | |
7b73f71f | 81 | check(ifstrm, data, nchunks, delim); |
afd3c60a | 82 | ifstrm.close(); |
83 | } | |
84 | ||
85 | int main() | |
86 | { | |
87 | test01(); | |
88 | return 0; | |
89 | } |