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Diffstat (limited to 'src/boost/libs/local_function/test/overload.cpp')
-rw-r--r-- | src/boost/libs/local_function/test/overload.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/boost/libs/local_function/test/overload.cpp b/src/boost/libs/local_function/test/overload.cpp new file mode 100644 index 000000000..6a2c1eede --- /dev/null +++ b/src/boost/libs/local_function/test/overload.cpp @@ -0,0 +1,52 @@ + +// Copyright (C) 2009-2012 Lorenzo Caminiti +// Distributed under the Boost Software License, Version 1.0 +// (see accompanying file LICENSE_1_0.txt or a copy at +// http://www.boost.org/LICENSE_1_0.txt) +// Home at http://www.boost.org/libs/local_function + +#include <boost/config.hpp> +#ifdef BOOST_NO_CXX11_VARIADIC_MACROS +# error "variadic macros required" +#else + +#include <boost/local_function.hpp> +#include <boost/functional/overloaded_function.hpp> // For overloading. +#include <boost/typeof/std/string.hpp> +#include <boost/detail/lightweight_test.hpp> +#include <string> + +//[overload_decl +int add_i(int x, int y) { return x + y; } +//] + +int main(void) { + //[overload + std::string s = "abc"; + std::string BOOST_LOCAL_FUNCTION( + const bind& s, const std::string& x) { + return s + x; + } BOOST_LOCAL_FUNCTION_NAME(add_s) + + double d = 1.23; + double BOOST_LOCAL_FUNCTION(const bind d, double x, double y, default 0) { + return d + x + y; + } BOOST_LOCAL_FUNCTION_NAME(add_d) + + boost::overloaded_function< + std::string (const std::string&) + , double (double) + , double (double, double) // Overload giving default param. + , int (int, int) + > add(add_s, add_d, add_d, add_i); // Overloaded function object. + + BOOST_TEST(add("xyz") == "abcxyz"); // Call `add_s`. + BOOST_TEST((4.44 - add(3.21)) <= 0.001); // Call `add_d` (no default). + BOOST_TEST((44.44 - add(3.21, 40.0)) <= 0.001); // Call `add_d`. + BOOST_TEST(add(1, 2) == 3); // Call `add_i`. + //] + return boost::report_errors(); +} + +#endif // VARIADIC_MACROS + |