Boost.Ratio: Added ratio extension test

[SVN r67583]

test/Jamfile.v2

@@ -81,3 +81,7 @@ project
         [ run ../example/display_ex.cpp ]
         ;
 
+    test-suite "ratio.ext"
+        :
+        [ run ratio_extensions/ratio_ext_pass.cpp  ]
+        ;

test/ratio_extensions/ratio_ext_pass.cpp

@@ -0,0 +1,24 @@
+//  Copyright 2011 Vicente J. Botet Escriba
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+// test ratio:  equivalent ratios convert with BOOST_RATIO_EXTENSIONS
+
+#define BOOST_RATIO_EXTENSIONS
+#include <boost/ratio.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+boost::intmax_t func(boost::ratio<5,6>  s) {
+    return s.num;    
+}
+
+void test() {
+    BOOST_TEST((
+        func(boost::ratio<10,12>() )==5
+    ));
+}
+
+int main()
+{
+    test();
+}