// 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 // XXX This test fails on sparc-solaris2 because of a bug in libc // XXX sscanf for very long input. See: // XXX http://gcc.gnu.org/ml/gcc/2002-12/msg01422.html // { dg-do run { xfail sparc*-*-solaris2* } } #include <istream> #include <sstream> #include <testsuite_hooks.h> // libstdc++/3720 // excess input should not cause a core dump template<typename T> bool test12_aux(bool integer_type) { bool test __attribute__((unused)) = true; int digits_overflow; if (integer_type) // This many digits will overflow integer types in base 10. digits_overflow = std::numeric_limits<T>::digits10 + 2; else // This might do it, unsure. digits_overflow = std::numeric_limits<T>::max_exponent10 + 1; std::string st; std::string part = "1234567890123456789012345678901234567890"; for (std::size_t i = 0; i < digits_overflow / part.size() + 1; ++i) st += part; std::stringbuf sb(st); std::istream is(&sb); T t; is >> t; VERIFY(is.fail()); return test; } bool test12() { bool test __attribute__((unused)) = true; VERIFY(test12_aux<short>(true)); VERIFY(test12_aux<int>(true)); VERIFY(test12_aux<long>(true)); VERIFY(test12_aux<float>(false)); VERIFY(test12_aux<double>(false)); VERIFY(test12_aux<long double>(false)); return test; } int main() { test12(); return 0; }