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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/objects/char/5.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/objects/char/5.cc | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/objects/char/5.cc b/libstdc++-v3/testsuite/27_io/objects/char/5.cc new file mode 100644 index 000000000..c5bf54654 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/objects/char/5.cc @@ -0,0 +1,84 @@ +// 2003-04-26 Petur Runolfsson <peturr02@ru.is> + +// Copyright (C) 2003, 2004, 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 +// <http://www.gnu.org/licenses/>. + +// 27.3 Standard iostream objects + +// Check that standard streams can be used from constructors and +// destructors of static objects, provided that an instance of +// ios_base::Init has been constructed. + +void init_standard_streams(); +int use_standard_streams(); + +struct Strange +{ + int i; + + Strange() + { + init_standard_streams(); + i = use_standard_streams(); + } + + ~Strange() + { + use_standard_streams(); + init_standard_streams(); + } +}; + +static Strange static_ob; + +#include <testsuite_hooks.h> +#include <iostream> + +void init_standard_streams() +{ + std::ios_base::Init init; +} + +int use_standard_streams() +{ + std::cout << "Hello, world!" << std::endl; + std::cerr << "World, hello!" << std::endl; + + int ret = std::ios_base::xalloc(); + std::cin.iword(ret) = ret + 1; + std::cout.iword(ret) = ret + 2; + std::cerr.iword(ret) = ret + 3; + std::clog.iword(ret) = ret + 4; + return ret; +} + +void test05() +{ + bool test __attribute__((unused)) = true; + int i = static_ob.i; + + VERIFY( std::cin.iword(i) == i + 1 ); + VERIFY( std::cout.iword(i) == i + 2 ); + VERIFY( std::cerr.iword(i) == i + 3 ); + VERIFY( std::clog.iword(i) == i + 4 ); +} + +int main() +{ + test05(); + return 0; +} |