diff options
Diffstat (limited to 'src/boost/libs/local_function/test/return_setget.cpp')
-rw-r--r-- | src/boost/libs/local_function/test/return_setget.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/boost/libs/local_function/test/return_setget.cpp b/src/boost/libs/local_function/test/return_setget.cpp new file mode 100644 index 000000000..1eb904c54 --- /dev/null +++ b/src/boost/libs/local_function/test/return_setget.cpp @@ -0,0 +1,47 @@ + +// 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/function.hpp> +#include <boost/typeof/std/string.hpp> +#include <boost/detail/lightweight_test.hpp> +#include <string> + +boost::function<void (const std::string&)> set; +boost::function<const std::string& (void)> get; + +void action(void) { + // State `message` hidden behind access functions from here. + BOOST_TEST(get() == "abc"); + set("xyz"); + BOOST_TEST(get() == "xyz"); +} + +int main(void) { + std::string message = "abc"; // Reference valid where closure used. + + void BOOST_LOCAL_FUNCTION(bind& message, const std::string& text) { + message = text; + } BOOST_LOCAL_FUNCTION_NAME(s) + set = s; + + const std::string& BOOST_LOCAL_FUNCTION(const bind& message) { + return message; + } BOOST_LOCAL_FUNCTION_NAME(g) + get = g; + + action(); + return boost::report_errors(); +} + +#endif // VARIADIC_MACROS + |