1// 1999-10-11 bkoz 2 3// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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 <cstring> 27#include <testsuite_hooks.h> 28 29class testbuf : public std::wstreambuf 30{ 31public: 32 33 // Typedefs: 34 typedef std::wstreambuf::traits_type traits_type; 35 typedef std::wstreambuf::char_type char_type; 36 37 testbuf(): std::wstreambuf() 38 { } 39 40 bool 41 check_pointers() 42 { 43 bool test __attribute__((unused)) = true; 44 VERIFY( this->eback() == NULL ); 45 VERIFY( this->gptr() == NULL ); 46 VERIFY( this->egptr() == NULL ); 47 VERIFY( this->pbase() == NULL ); 48 VERIFY( this->pptr() == NULL ); 49 VERIFY( this->epptr() == NULL ); 50 return test; 51 } 52 53 int_type 54 pub_uflow() 55 { return (this->uflow()); } 56 57 int_type 58 pub_overflow(int_type __c = traits_type::eof()) 59 { return (this->overflow(__c)); } 60 61 int_type 62 pub_pbackfail(int_type __c) 63 { return (this->pbackfail(__c)); } 64 65 void 66 pub_setg(wchar_t* beg, wchar_t* cur, wchar_t* end) 67 { this->setg(beg, cur, end); } 68 69 void 70 pub_setp(wchar_t* beg, wchar_t* end) 71 { this->setp(beg, end); } 72 73protected: 74 int_type 75 underflow() 76 { 77 int_type __retval = traits_type::eof(); 78 if (this->gptr() < this->egptr()) 79 __retval = traits_type::not_eof(0); 80 return __retval; 81 } 82}; 83 84void test01() 85{ 86 typedef testbuf::traits_type traits_type; 87 typedef testbuf::int_type int_type; 88 89 bool test __attribute__((unused)) = true; 90 testbuf buf01; 91 92 // sputn/xsputn 93 wchar_t lit02[] = L"isotope 217: the unstable molecule on thrill jockey"; 94 const int i02 = std::wcslen(lit02); 95 96 wchar_t carray[i02 + 1]; 97 std::wmemset(carray, 0, i02 + 1); 98 99 buf01.pub_setp(carray, (carray + i02)); 100 buf01.sputn(lit02, 0); 101 VERIFY( carray[0] == 0 ); 102 VERIFY( lit02[0] == L'i' ); 103 buf01.sputn(lit02, 1); 104 VERIFY( lit02[0] == carray[0] ); 105 VERIFY( lit02[1] == L's' ); 106 VERIFY( carray[1] == 0 ); 107 buf01.sputn(lit02 + 1, 10); 108 VERIFY( std::memcmp(lit02, carray, 10) == 0 ); 109 buf01.sputn(lit02 + 11, 20); 110 VERIFY( std::memcmp(lit02, carray, 30) == 0 ); 111} 112 113int main() 114{ 115 test01(); 116 return 0; 117} 118