function_traits_test.cpp:

- Test the function_traits template


[SVN r14673]

tests/function_traits_test.cpp

@@ -0,0 +1,58 @@
+//  (C) Copyright Doug Gregor 2002. Permission to copy, use, modify, sell and
+//  distribute this software is granted provided this copyright notice appears
+//  in all copies. This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+
+#include <boost/type_traits/function_traits.hpp>
+#define BOOST_INCLUDE_MAIN
+#include <boost/test/test_tools.hpp>
+
+template<typename T> 
+struct is_int
+{ 
+  BOOST_STATIC_CONSTANT(bool, value = false);
+};
+
+template<> 
+struct is_int<int>
+{
+  BOOST_STATIC_CONSTANT(bool, value = true);
+};
+
+template<typename T> 
+struct is_float
+{ 
+  BOOST_STATIC_CONSTANT(bool, value = false);
+};
+
+template<> 
+struct is_float<float>
+{
+  BOOST_STATIC_CONSTANT(bool, value = true);
+};
+template<typename T> 
+struct is_double
+{ 
+  BOOST_STATIC_CONSTANT(bool, value = false);
+};
+
+template<> 
+struct is_double<double>
+{
+  BOOST_STATIC_CONSTANT(bool, value = true);
+};
+
+
+int test_main(int, char*[])
+{
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+  typedef int F2(float, double);
+
+  typedef boost::function_traits<F2> traits;
+
+  BOOST_TEST(is_int<traits::result_type>::value);
+  BOOST_TEST(is_float<traits::arg1_type>::value);
+  BOOST_TEST(is_double<traits::arg2_type>::value);
+#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+  return 0;
+}