diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/4.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/4.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/4.cc b/gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/4.cc new file mode 100644 index 000000000..cb1713bc8 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/4.cc @@ -0,0 +1,65 @@ +// 1999-07-01 bkoz + +// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009 +// Free Software Foundation, Inc. +// +// 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 +// <http://www.gnu.org/licenses/>. + +// 21.3.7.9 inserters and extractors + +// NB: This file is predicated on sstreams, istreams, and ostreams +// working, not to mention other major details like char_traits, and +// all of the string class. + +#include <string> +#include <sstream> +#include <testsuite_hooks.h> + +// testing basic_stringbuf::xsputn via stress testing with large strings +// based on a bug report libstdc++ 9 +void test04(std::size_t size) +{ + bool test __attribute__((unused)) = true; + std::string str(size, 's'); + std::size_t expected_size = 2 * (size + 1); + std::ostringstream oss(str); + + // sanity checks + VERIFY( str.size() == size ); + VERIFY( oss.good() ); + + // stress test + oss << str << std::endl; + if (!oss.good()) + test = false; + + oss << str << std::endl; + if (!oss.good()) + test = false; + + VERIFY( str.size() == size ); + VERIFY( oss.good() ); + std::string str_tmp = oss.str(); + VERIFY( str_tmp.size() == expected_size ); +} + +int main() +{ + test04(1); // expected_size == 4 + test04(1000); // expected_size == 2002 + test04(10000); // expected_size == 20002 + return 0; +} |