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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4402.cc | |
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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4402.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4402.cc | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4402.cc b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4402.cc new file mode 100644 index 000000000..fe1c3b6f2 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4402.cc @@ -0,0 +1,74 @@ +// 1999-11-15 Kevin Ediger <kediger@licor.com> +// test the floating point inserters (facet num_put) + +// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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/>. + +#include <cstdio> // for sprintf +#include <iostream> +#include <iomanip> +#include <sstream> +#include <limits> +#include <testsuite_hooks.h> + +void +test02() +{ + using namespace std; + bool test __attribute__((unused)) = true; + + // make sure we can output a very long float + long double val = numeric_limits<long double>::max(); + int prec = numeric_limits<long double>::digits10; + + ostringstream os; + os.precision(prec); + os.setf(ios::scientific); + os << val; + + char largebuf[512]; + sprintf(largebuf, "%.*Le", prec, val); +#ifdef TEST_NUMPUT_VERBOSE + cout << "expect: " << largebuf << endl; + cout << "result: " << os.str() << endl; +#endif + VERIFY( os && os.str() == largebuf ); + + // Make sure we can output a long float in fixed format + // without seg-faulting (libstdc++/4402) + double val2 = numeric_limits<double>::max(); + + ostringstream os2; + os2.precision(3); + os2.setf(ios::fixed); + os2 << val2; + + sprintf(largebuf, "%.*f", 3, val2); +#ifdef TEST_NUMPUT_VERBOSE + cout << "expect: " << largebuf << endl; + cout << "result: " << os2.str() << endl; +#endif + VERIFY( os2 && os2.str() == largebuf ); +} + +int +main() +{ + test02(); + return 0; +} |