Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_stringbuf / pbackfail / char / 2.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_stringbuf/pbackfail/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_stringbuf/pbackfail/char/2.cc
new file mode 100644 (file)
index 0000000..abe8bb0
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_stringbuf/pbackfail/char/2.cc
@@ -0,0 +1,63 @@
+// 2004-10-01  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2004, 2009 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/>.
+
+// 27.7.1.3  Overridden virtual functions  [lib.stringbuf.virtuals]
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+class my_stringbuf : public std::stringbuf
+{
+public:
+  my_stringbuf(const std::string& str, std::ios_base::openmode mode)
+  : std::stringbuf(str, mode) { }
+
+  int_type 
+  pub_pbackfail(int_type __c) 
+  { return this->pbackfail(__c); }
+};
+
+// We weren't enforcing 27.7.1.3/2, bullet 2: "... and if
+// mode & ios_base::out is nonzero, ..."
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+
+  typedef my_stringbuf::int_type    int_type;
+  typedef my_stringbuf::traits_type traits_type;
+
+  my_stringbuf sbuf("any", ios_base::in);
+  
+  int_type c = sbuf.sbumpc();
+  VERIFY( c == 'a' );
+
+  c = sbuf.pub_pbackfail('x');
+  VERIFY( c == traits_type::eof() );
+  VERIFY( sbuf.str() == "any" );
+  c = sbuf.sgetc();
+  VERIFY( c == 'n' );
+}
+
+
+int main()
+{
+  test01();
+  return 0;
+}