1 // 1999-10-11 bkoz 2 3 // Copyright (C) 1999-2019 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 // 27.5.2 template class basic_streambuf 22 23 #include <streambuf> 24 #include <ostream> 25 #include <testsuite_hooks.h> 26 27 // libstdc++/3599 28 class testbuf : public std::wstreambuf 29 { 30 public: 31 typedef std::wstreambuf::traits_type traits_type; 32 testbuf()33 testbuf() : std::wstreambuf() { } 34 35 protected: 36 int_type overflow(int_type c=traits_type::eof ())37 overflow(int_type c __attribute__((unused)) = traits_type::eof()) 38 { return traits_type::not_eof(0); } 39 }; 40 41 void test07()42test07() 43 { 44 testbuf ob; 45 std::wostream out(&ob); 46 47 out << L"gasp"; 48 VERIFY( out.good() ); 49 50 out << std::endl; 51 VERIFY( out.good() ); 52 } 53 main()54int main() 55 { 56 test07(); 57 return 0; 58 } 59