X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_ostream%2Finserters_arithmetic%2Fchar%2F4402.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_ostream%2Finserters_arithmetic%2Fchar%2F4402.cc;h=fe1c3b6f2a7e6a611f747b740ad73be920ccf337;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git 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 00000000..fe1c3b6f --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4402.cc @@ -0,0 +1,74 @@ +// 1999-11-15 Kevin Ediger +// 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 +// . + +#include // for sprintf +#include +#include +#include +#include +#include + +void +test02() +{ + using namespace std; + bool test __attribute__((unused)) = true; + + // make sure we can output a very long float + long double val = numeric_limits::max(); + int prec = numeric_limits::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::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; +}