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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/istream_extractor_arith/13.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/istream_extractor_arith/13.cc | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/istream_extractor_arith/13.cc b/libstdc++-v3/testsuite/27_io/istream_extractor_arith/13.cc new file mode 100644 index 00000000000..935d456f448 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/istream_extractor_arith/13.cc @@ -0,0 +1,88 @@ +// 1999-04-12 bkoz + +// Copyright (C) 1999, 2000, 2002, 2003 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 2, 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 COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// 27.6.1.2.2 arithmetic extractors + +#include <cstdio> // for printf +#include <istream> +#include <ostream> +#include <sstream> +#include <locale> +#include <testsuite_hooks.h> + +std::string str_01; +std::string str_02("true false 0 1 110001"); +std::string str_03("-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5"); +std::string str_04("0123"); + +std::stringbuf isbuf_01(std::ios_base::in); +std::stringbuf isbuf_02(str_02, std::ios_base::in); +std::stringbuf isbuf_03(str_03, std::ios_base::in); +std::stringbuf isbuf_04(str_04, std::ios_base::in); + +std::istream is_01(NULL); +std::istream is_02(&isbuf_02); +std::istream is_03(&isbuf_03); +std::istream is_04(&isbuf_04); +std::stringstream ss_01(str_01); + +// libstdc++/3720 part two +void test13() +{ + using namespace std; + bool test = true; + const char* l1 = "12345678901234567890123456789012345678901234567890123456"; + const char* l2 = "1.2345678901234567890123456789012345678901234567890123456" + " " + "1246.9"; + + // 1 + // used to core. + double d; + istringstream iss1(l2); + iss1 >> d; + iss1 >> d; + VERIFY (d > 1246 && d < 1247); + + // 2 + // quick test for failbit on maximum length extraction. + int i; + int max_digits = numeric_limits<int>::digits10 + 1; + string digits; + for (int j = 0; j < max_digits; ++j) + digits += '1'; + istringstream iss2(digits); + iss2 >> i; + VERIFY( !iss2.fail() ); + + digits += '1'; + i = 0; + iss2.str(digits); + iss2.clear(); + iss2 >> i; + VERIFY( i == 0 ); + VERIFY( iss2.fail() ); +} + +int main() +{ + test13(); + return 0; +} |