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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
32using namespace std;
33
34wstring 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 47void 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)
67void 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
86int main()
87{
88 test01();
89 return 0;
90}