1// 1999-10-11 bkoz 2 3// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2009 4// Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21 22// 27.5.2 template class basic_streambuf 23 24#include <streambuf> 25#include <cwchar> 26#include <testsuite_hooks.h> 27 28class testbuf : public std::wstreambuf 29{ 30public: 31 32 // Typedefs: 33 typedef std::wstreambuf::traits_type traits_type; 34 typedef std::wstreambuf::char_type char_type; 35 36 testbuf(): std::wstreambuf() 37 { } 38 39 bool 40 check_pointers() 41 { 42 bool test __attribute__((unused)) = true; 43 VERIFY( this->eback() == NULL ); 44 VERIFY( this->gptr() == NULL ); 45 VERIFY( this->egptr() == NULL ); 46 VERIFY( this->pbase() == NULL ); 47 VERIFY( this->pptr() == NULL ); 48 VERIFY( this->epptr() == NULL ); 49 return test; 50 } 51 52 int_type 53 pub_uflow() 54 { return (this->uflow()); } 55 56 int_type 57 pub_overflow(int_type __c = traits_type::eof()) 58 { return (this->overflow(__c)); } 59 60 int_type 61 pub_pbackfail(int_type __c) 62 { return (this->pbackfail(__c)); } 63 64 void 65 pub_setg(wchar_t* beg, wchar_t* cur, wchar_t* end) 66 { this->setg(beg, cur, end); } 67 68 void 69 pub_setp(wchar_t* beg, wchar_t* end) 70 { this->setp(beg, end); } 71 72protected: 73 int_type 74 underflow() 75 { 76 int_type __retval = traits_type::eof(); 77 if (this->gptr() < this->egptr()) 78 __retval = traits_type::not_eof(0); 79 return __retval; 80 } 81}; 82 83void test02() 84{ 85 typedef testbuf::traits_type traits_type; 86 typedef testbuf::int_type int_type; 87 88 bool test __attribute__((unused)) = true; 89 90 wchar_t lit01[] = L"chicago underground trio/possible cube on delmark"; 91 size_t i01 = traits_type::length(lit01); 92 93 testbuf buf01; 94 95 // 27.5.2.1 basic_streambuf ctors 96 // default ctor initializes 97 // - all pointer members to null pointers 98 // - locale to current global locale 99 VERIFY( buf01.check_pointers() ); 100 VERIFY( buf01.getloc() == std::locale() ); 101 102 // 27.5.2.2.5 Put area 103 104 wchar_t carray01[i01]; 105 std::wmemset(carray01, 0, i01); 106 107 buf01.pub_setg(lit01, lit01, lit01 + i01); 108 buf01.sgetn(carray01, 0); 109 VERIFY( carray01[0] == 0 ); 110 buf01.sgetn(carray01, 1); 111 VERIFY( carray01[0] == L'c' ); 112 buf01.sgetn(carray01 + 1, i01 - 1); 113 VERIFY( carray01[0] == L'c' ); 114 VERIFY( carray01[1] == L'h' ); 115 VERIFY( carray01[i01 - 1] == L'k' ); 116} 117 118int main() 119{ 120 test02(); 121 return 0; 122} 123