1// Copyright (C) 2004, 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_sync_filebuf.h> 27#include <testsuite_hooks.h> 28 29void test3() 30{ 31 using namespace std; 32 bool test __attribute__((unused)) = true; 33 34 filebuf fbuf; 35 fbuf.open("tmp_10063-3", ios_base::out | ios_base::trunc); 36 fbuf.sputn("01234", 5); 37 fbuf.close(); 38 39 FILE* file = fopen("tmp_10063-3", "r"); 40 int c = getc(file); 41 VERIFY(c == '0'); 42 c = getc(file); 43 VERIFY(c == '1'); 44 { 45 __gnu_cxx::stdio_sync_filebuf<char> sbuf(file); 46 c = sbuf.sbumpc(); 47 VERIFY(c == '2'); 48 c = sbuf.sbumpc(); 49 VERIFY(c == '3'); 50 c = sbuf.sbumpc(); 51 VERIFY(c == '4'); 52 c = sbuf.sgetc(); 53 VERIFY(c == EOF); 54 } 55 fclose(file); 56} 57 58int main() 59{ 60 test3(); 61 return 0; 62} 63