1// 1999-10-11 bkoz 2 3// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 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 2, 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 COPYING. If not, write to the Free 19// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 20// USA. 21 22// As a special exception, you may use this file as part of a free software 23// library without restriction. Specifically, if other files instantiate 24// templates or use macros or inline functions from this file, or you compile 25// this file and link it with other files to produce an executable, this 26// file does not by itself cause the resulting executable to be covered by 27// the GNU General Public License. This exception does not however 28// invalidate any other reasons why the executable file might be covered by 29// the GNU General Public License. 30 31// 27.5.2 template class basic_streambuf 32 33#include <streambuf> 34#include <cwchar> 35#include <testsuite_hooks.h> 36 37class testbuf : public std::wstreambuf 38{ 39public: 40 41 // Typedefs: 42 typedef std::wstreambuf::traits_type traits_type; 43 typedef std::wstreambuf::char_type char_type; 44 45 testbuf(): std::wstreambuf() 46 { } 47 48 bool 49 check_pointers() 50 { 51 bool test __attribute__((unused)) = true; 52 VERIFY( this->eback() == NULL ); 53 VERIFY( this->gptr() == NULL ); 54 VERIFY( this->egptr() == NULL ); 55 VERIFY( this->pbase() == NULL ); 56 VERIFY( this->pptr() == NULL ); 57 VERIFY( this->epptr() == NULL ); 58 return test; 59 } 60 61 int_type 62 pub_uflow() 63 { return (this->uflow()); } 64 65 int_type 66 pub_overflow(int_type __c = traits_type::eof()) 67 { return (this->overflow(__c)); } 68 69 int_type 70 pub_pbackfail(int_type __c) 71 { return (this->pbackfail(__c)); } 72 73 void 74 pub_setg(wchar_t* beg, wchar_t* cur, wchar_t* end) 75 { this->setg(beg, cur, end); } 76 77 void 78 pub_setp(wchar_t* beg, wchar_t* end) 79 { this->setp(beg, end); } 80 81protected: 82 int_type 83 underflow() 84 { 85 int_type __retval = traits_type::eof(); 86 if (this->gptr() < this->egptr()) 87 __retval = traits_type::not_eof(0); 88 return __retval; 89 } 90}; 91 92void test01() 93{ 94 typedef testbuf::traits_type traits_type; 95 typedef testbuf::int_type int_type; 96 97 bool test __attribute__((unused)) = true; 98 testbuf buf01; 99 100 // sputn/xsputn 101 wchar_t lit02[] = L"isotope 217: the unstable molecule on thrill jockey"; 102 const int i02 = std::wcslen(lit02); 103 104 wchar_t carray[i02 + 1]; 105 std::wmemset(carray, 0, i02 + 1); 106 107 buf01.pub_setp(carray, (carray + i02)); 108 buf01.sputn(lit02, 0); 109 VERIFY( carray[0] == 0 ); 110 VERIFY( lit02[0] == L'i' ); 111 buf01.sputn(lit02, 1); 112 VERIFY( lit02[0] == carray[0] ); 113 VERIFY( lit02[1] == L's' ); 114 VERIFY( carray[1] == 0 ); 115 buf01.sputn(lit02 + 1, 10); 116 VERIFY( std::memcmp(lit02, carray, 10) == 0 ); 117 buf01.sputn(lit02 + 11, 20); 118 VERIFY( std::memcmp(lit02, carray, 30) == 0 ); 119} 120 121int main() 122{ 123 test01(); 124 return 0; 125} 126