blob: 5a4c879f76cca4889ef71c9f4c3280eb02542124 [file] [log] [blame]
// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
// Copyright (C) 2003-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-require-fileio "" }
#include <ext/stdio_sync_filebuf.h>
#include <cstring>
#include <testsuite_hooks.h>
void test01()
{
using namespace std;
const char* c_lit = "black pearl jasmine tea";
unsigned size = strlen(c_lit);
const char* name = "stdiobuf-1.txt";
FILE* fout = fopen(name, "w");
VERIFY( fwrite(c_lit, 1, size, fout) == size );
fclose(fout);
FILE* fin = fopen(name, "r");
__gnu_cxx::stdio_sync_filebuf<char> sbuf(fin);
VERIFY( sbuf.sgetc() == c_lit[0] );
VERIFY( getc(fin) == c_lit[0] );
VERIFY( sbuf.sgetc() == c_lit[1] );
VERIFY( sbuf.sbumpc() == c_lit[1] );
VERIFY( ungetc('Z', fin) == 'Z' );
VERIFY( sbuf.sbumpc() == 'Z' );
VERIFY( getc(fin) == c_lit[2] );
VERIFY( sbuf.sputbackc('X') == 'X' );
VERIFY( getc(fin) == 'X' );
char buf[5];
memset(buf, 'x', 5);
VERIFY( sbuf.sgetn(buf, 5) == 5 );
VERIFY( !memcmp(buf, c_lit + 3, 5) );
VERIFY( getc(fin) == c_lit[8] );
fclose(fin);
}
int main ()
{
test01();
return 0;
}