1 // 1999-10-11 bkoz 2 3 // Copyright (C) 1999-2021 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // You should have received a copy of the GNU General Public License along 17 // with this library; see the file COPYING3. If not see 18 // <http://www.gnu.org/licenses/>. 19 20 21 #include <sstream> 22 #include <ostream> 23 #include <testsuite_hooks.h> 24 25 // libstdc++/3599 26 class testbuf : public std::stringbuf 27 { 28 public: 29 typedef std::stringbuf::traits_type traits_type; 30 testbuf()31 testbuf() : std::stringbuf() { } 32 33 protected: 34 int_type overflow(int_type c=traits_type::eof ())35 overflow(int_type c __attribute__((unused)) = traits_type::eof()) 36 { return traits_type::not_eof(0); } 37 }; 38 39 void test07()40test07() 41 { 42 testbuf ob; 43 std::ostream out(&ob); 44 45 out << "gasp"; 46 VERIFY(out.good()); 47 48 out << std::endl; 49 VERIFY(out.good()); 50 } 51 main()52int main() 53 { 54 test07(); 55 return 0; 56 } 57