1// 2003-05-01 Petur Runolfsson <peturr02@ru.is> 2 3// Copyright (C) 2003 Free Software Foundation 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 2, 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 COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21#include <ext/stdio_sync_filebuf.h> 22#include <testsuite_hooks.h> 23 24void test01() 25{ 26 using namespace std; 27 28 bool test __attribute__((unused)) = true; 29 const char* c_lit = "black pearl jasmine tea"; 30 int size = strlen(c_lit); 31 const char* name = "stdiobuf-1.txt"; 32 33 FILE* fout = fopen(name, "w"); 34 fwrite(c_lit, 1, size, fout); 35 fclose(fout); 36 37 FILE* fin = fopen(name, "r"); 38 __gnu_cxx::stdio_sync_filebuf<char> sbuf(fin); 39 40 VERIFY( sbuf.sgetc() == c_lit[0] ); 41 VERIFY( getc(fin) == c_lit[0] ); 42 VERIFY( sbuf.sgetc() == c_lit[1] ); 43 VERIFY( sbuf.sbumpc() == c_lit[1] ); 44 VERIFY( ungetc('Z', fin) == 'Z' ); 45 VERIFY( sbuf.sbumpc() == 'Z' ); 46 VERIFY( getc(fin) == c_lit[2] ); 47 VERIFY( sbuf.sputbackc('X') == 'X' ); 48 VERIFY( getc(fin) == 'X' ); 49 50 char buf[5]; 51 memset(buf, 'x', 5); 52 VERIFY( sbuf.sgetn(buf, 5) == 5 ); 53 VERIFY( !memcmp(buf, c_lit + 3, 5) ); 54 VERIFY( getc(fin) == c_lit[8] ); 55 56 fclose(fin); 57} 58 59int main () 60{ 61 test01(); 62 return 0; 63} 64