1// Copyright (C) 2000, 2001, 2002, 2003, 2009 Free Software Foundation 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// The ARM simulator does not provide support for "fstat", which 19// causes "sbumpc" to return an incorrect value. 20// { dg-do run { xfail arm*-*-elf arm*-*-eabi } } 21 22// { dg-require-fileio "" } 23 24#include <cstdio> 25#include <fstream> 26#include <ext/stdio_filebuf.h> 27#include <testsuite_hooks.h> 28 29void test2() 30{ 31 using namespace std; 32 bool test __attribute__((unused)) = true; 33 34 filebuf fbuf; 35 fbuf.open("tmp_10063-2", ios_base::out | ios_base::trunc); 36 fbuf.sputn("01234", 5); 37 fbuf.close(); 38 39 FILE* file = fopen("tmp_10063-2", "r"); 40 setbuf(file, NULL); 41 int c = getc(file); 42 VERIFY(c == '0'); 43 c = getc(file); 44 VERIFY(c == '1'); 45 { 46 __gnu_cxx::stdio_filebuf<char> sbuf(file, ios_base::in); 47 c = sbuf.sbumpc(); 48 VERIFY(c == '2'); 49 c = sbuf.sbumpc(); 50 VERIFY(c == '3'); 51 c = sbuf.sbumpc(); 52 VERIFY(c == '4'); 53 c = sbuf.sgetc(); 54 VERIFY(c == EOF); 55 } 56 fclose(file); 57} 58 59int main() 60{ 61 test2(); 62 return 0; 63} 64