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diff --git a/libstdc++-v3/testsuite/20_util/ratio/operations/ops2.cc b/libstdc++-v3/testsuite/20_util/ratio/operations/ops2.cc
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index 000000000..abd2e7556
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+++ b/libstdc++-v3/testsuite/20_util/ratio/operations/ops2.cc
@@ -0,0 +1,72 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
+
+// Copyright (C) 2008, 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/>.
+
+#include <ratio>
+#include <testsuite_hooks.h>
+
+typedef std::ratio<1, INTMAX_MAX> one_over_max;
+typedef std::ratio<2, INTMAX_MAX> two_over_max;
+typedef std::ratio<INTMAX_MAX, 1> max_over_one;
+typedef std::ratio<INTMAX_MAX, 2> max_over_two;
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::ratio_add<one_over_max, one_over_max>::type r1;
+
+  VERIFY( r1.num == two_over_max::num);
+  VERIFY( r1.den == two_over_max::den);
+
+  std::ratio_add<
+    std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
+    std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
+  
+  VERIFY( r2.num == INTMAX_MAX );
+  VERIFY( r2.den == (INTMAX_MAX / 2) + 1 );
+}
+
+void
+test02()
+{  
+  bool test __attribute__((unused)) = true;
+  
+  std::ratio_subtract<one_over_max, one_over_max>::type r1;
+
+  VERIFY( r1.num == 0);
+  VERIFY( r1.den == 1);
+
+  std::ratio_subtract<
+    std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
+    std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
+  
+  VERIFY( r2.num == 1 );
+  VERIFY( r2.den == (INTMAX_MAX / 2) + 1 );
+}
+
+int main()
+{
+  test01();
+  test02();
+  return 0;
+}