diff options
Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_istream/getline/wchar_t/5.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_istream/getline/wchar_t/5.cc | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/getline/wchar_t/5.cc b/libstdc++-v3/testsuite/27_io/basic_istream/getline/wchar_t/5.cc new file mode 100644 index 00000000000..f83ce050bad --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_istream/getline/wchar_t/5.cc @@ -0,0 +1,87 @@ +// Copyright (C) 2004 Free Software Foundation +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// 27.6.1.3 unformatted input functions + +#include <istream> +#include <string> +#include <fstream> +#include <testsuite_hooks.h> + +using namespace std; + +wstring +prepare(wstring::size_type len, unsigned nchunks, wchar_t delim) +{ + wstring ret; + for (unsigned i = 0; i < nchunks; ++i) + { + for (wstring::size_type j = 0; j < len; ++j) + ret.push_back(L'a' + rand() % 26); + len *= 2; + ret.push_back(delim); + } + return ret; +} + +void +check(wistream& stream, const wstring& str, unsigned nchunks, wchar_t delim) +{ + bool test __attribute__((unused)) = true; + + static wchar_t buf[1000000]; + wstring::size_type index = 0, index_new = 0; + unsigned n = 0; + + while (stream.getline(buf, sizeof(buf) / sizeof(wchar_t), delim)) + { + index_new = str.find(delim, index); + VERIFY( stream.gcount() == index_new - index + 1 ); + VERIFY( !str.compare(index, index_new - index, buf) ); + index = index_new + 1; + ++n; + } + VERIFY( stream.gcount() == 0 ); + VERIFY( stream.eof() ); + VERIFY( n == nchunks ); +} + +void test01() +{ + const char filename[] = "wistream_getline.txt"; + + const wchar_t delim = L'|'; + const unsigned nchunks = 10; + const wstring data = prepare(777, nchunks, delim); + + wofstream ofstrm; + ofstrm.open(filename); + ofstrm.write(data.data(), data.size()); + ofstrm.close(); + + wifstream ifstrm; + ifstrm.open(filename); + check(ifstrm, data, nchunks, delim); + ifstrm.close(); +} + +int main() +{ + test01(); + return 0; +} |