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diff --git a/libstdc++-v3/testsuite/20_util/ratio/cons/cons1.cc b/libstdc++-v3/testsuite/20_util/ratio/cons/cons1.cc
new file mode 100644
index 00000000..a3dab54f
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+++ b/libstdc++-v3/testsuite/20_util/ratio/cons/cons1.cc
@@ -0,0 +1,51 @@
+// { 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>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::ratio<1,3> r0;
+  std::ratio<2,6> r1;  
+  std::ratio<2,-6> r2;
+  std::ratio<-2,6> r3;
+
+  VERIFY( r0.num == 1 );
+  VERIFY( r0.den == 3 );
+
+  VERIFY( r1.num == r0.num );
+  VERIFY( r1.den == r0.den );  
+  VERIFY( r2.num == -r0.num );
+  VERIFY( r2.den == r0.den ); 
+  VERIFY( r3.num == -r0.num );
+  VERIFY( r3.den == r0.den );  
+}
+
+int main()
+{
+  test01();
+  return 0;
+}