--- /dev/null
+// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
+
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation
+//
+// 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;
+
+ bool test __attribute__((unused)) = true;
+ const char* c_lit = "black pearl jasmine tea";
+ int size = strlen(c_lit);
+ const char* name = "stdiobuf-1.txt";
+
+ FILE* fout = fopen(name, "w");
+ fwrite(c_lit, 1, size, fout);
+ 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;
+}