1 files changed, 61 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/ext/stdio_filebuf_2.cc b/libstdc++-v3/testsuite/ext/stdio_filebuf_2.cc
new file mode 100644
index 00000000000..d58d4584cb6
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/stdio_filebuf_2.cc
@@ -0,0 +1,61 @@
+// 2003-03-29  Paolo Carlini  <pcarlini@unitus.it>
+
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// stdio_filebuf.h
+
+#include <ext/stdio_filebuf.h>
+#include <cstdio>
+#include <fstream>
+#include <testsuite_hooks.h>
+
+// Small stack-based buffers (i.e., using _M_unbuf) were not flushed
+// out by _M_really_overflow upon overflow.
+void test01()
+{
+  
+  using namespace std;
+  bool test = true;
+
+  const char* name = "tmp_file1";
+  FILE* file = fopen(name, "w");
+  {
+    using namespace __gnu_cxx;
+    
+    // One char big stack-based buffer.
+    stdio_filebuf<char> sbuf(file, ios_base::out, 1); 
+    sbuf.sputc('T');
+    sbuf.sputc('S');
+  }
+  fclose(file);
+
+  filebuf fbuf;
+  fbuf.open(name, ios_base::in);
+  char buf[10];
+  streamsize n = fbuf.sgetn(buf, sizeof(buf));	
+  fbuf.close();
+  
+  VERIFY( n == 2 );
+  VERIFY( !memcmp(buf, "TS", 2) );
+}
+
+int main()
+{
+  test01();
+}