Tests for enable_if

[SVN r1401]

test/enable_if_namespace_disambiguation.cpp

@@ -0,0 +1,44 @@
+//
+//    Copyright 2003 © The Trustees of Indiana University.  All rights
+//    reserved.
+//
+//    See the file enable_if_LICENSE for licensing conditions.
+//
+//    Authors: Jaakko Järvi (jajarvi@osl.iu.edu)
+//             Jeremiah Willcock (jewillco@osl.iu.edu)
+//             Andrew Lumsdaine (lums@osl.iu.edu)
+//
+
+#include <boost/test/minimal.hpp>
+
+#include <boost/utility/enable_if.hpp>
+#include <boost/type_traits/is_arithmetic.hpp>
+
+using boost::enable_if;
+using boost::is_arithmetic;
+
+namespace A {
+  template<class T>
+  typename enable_if<is_arithmetic<T>::value, bool>::type
+  arithmetic_object(T t) { return true; }
+}
+
+namespace B {
+  template<class T>
+  typename enable_if<!is_arithmetic<T>::value, bool>::type
+  arithmetic_object(T t) { return false; }
+}
+
+int test_main(int, char*[])
+{
+  using namespace A;
+  using namespace B;
+  BOOST_TEST(arithmetic_object(1));
+  BOOST_TEST(arithmetic_object(1.0));
+
+  BOOST_TEST(!arithmetic_object("1"));  
+  BOOST_TEST(!arithmetic_object(static_cast<void*>(0)));  
+
+  return 0;
+}
+