X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_istream%2Fgetline%2Fchar%2F5.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_istream%2Fgetline%2Fchar%2F5.cc;h=310f637f9c92eb25f72c6386010e801f67e51376;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/5.cc b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/5.cc new file mode 100644 index 00000000..310f637f --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/5.cc @@ -0,0 +1,88 @@ +// Copyright (C) 2004, 2005, 2006, 2007, 2009 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 3, 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 COPYING3. If not see +// . + +// 27.6.1.3 unformatted input functions + +// { dg-require-fileio "" } + +#include +#include +#include +#include +#include + +using namespace std; + +string prepare(string::size_type len, unsigned nchunks, char delim) +{ + string ret; + for (unsigned i = 0; i < nchunks; ++i) + { + for (string::size_type j = 0; j < len; ++j) + ret.push_back('a' + rand() % 26); + len *= 2; + ret.push_back(delim); + } + return ret; +} + +void check(istream& stream, const string& str, unsigned nchunks, char delim) +{ + bool test __attribute__((unused)) = true; + + char buf[1000000]; + string::size_type index = 0, index_new = 0; + unsigned n = 0; + + while (stream.getline(buf, sizeof(buf), delim)) + { + index_new = str.find(delim, index); + VERIFY( static_cast(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[] = "istream_getline.txt"; + + const char delim = '|'; + const unsigned nchunks = 10; + const string data = prepare(777, nchunks, delim); + + ofstream ofstrm; + ofstrm.open(filename); + ofstrm.write(data.data(), data.size()); + ofstrm.close(); + + ifstream ifstrm; + ifstrm.open(filename); + check(ifstrm, data, nchunks, delim); + ifstrm.close(); +} + +int main() +{ + test01(); + return 0; +}