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- // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
- // Copyright 2015-2019 Antony Polukhin.
- //
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt
- // or copy at http://www.boost.org/LICENSE_1_0.txt)
- #include <boost/core/lightweight_test.hpp>
- #include <boost/dll.hpp>
- #include <boost/function.hpp>
- #include <string>
- #include "b2_workarounds.hpp"
- // Unit Tests
- int main(int argc, char* argv[]) {
- using namespace boost;
- boost::dll::fs::path path_to_shared_library = b2_workarounds::first_lib_from_argv(argc, argv);
- BOOST_TEST(path_to_shared_library.string().find("getting_started_library") != std::string::npos);
-
- //[getting_started_imports_c_function
- // Importing pure C function
- function<int(int)> c_func = dll::import<int(int)>(
- path_to_shared_library, "c_func_name"
- );
- //]
- int c_func_res = c_func(1); // calling the function
- BOOST_TEST(c_func_res == 2);
- //[getting_started_imports_c_variable
- // Importing pure C variable
- shared_ptr<int> c_var = dll::import<int>(
- path_to_shared_library, "c_variable_name"
- );
- //]
- int c_var_old_contents = *c_var; // using the variable
- *c_var = 100;
- BOOST_TEST(c_var_old_contents == 1);
- //[getting_started_imports_alias
- // Importing function by alias name
- /*<-*/ function<std::string(const std::string&)> /*->*/ /*=auto*/ cpp_func = dll::import_alias<std::string(const std::string&)>(
- path_to_shared_library, "pretty_name"
- );
- //]
- // calling the function
- std::string cpp_func_res = cpp_func(std::string("In importer."));
- BOOST_TEST(cpp_func_res == "In importer. Hello from lib!");
- #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
- //[getting_started_imports_cpp11_function
- // Importing function.
- auto cpp11_func = dll::import<int(std::string&&)>(
- path_to_shared_library, "i_am_a_cpp11_function"
- );
- //]
- // calling the function
- int cpp11_func_res = cpp11_func(std::string("In importer."));
- BOOST_TEST(cpp11_func_res == sizeof("In importer.") - 1);
- #endif
- //[getting_started_imports_cpp_variable
- // Importing variable.
- shared_ptr<std::string> cpp_var = dll::import<std::string>(
- path_to_shared_library, "cpp_variable_name"
- );
- //]
- std::string cpp_var_old_contents = *cpp_var; // using the variable
- *cpp_var = "New value";
- BOOST_TEST(cpp_var_old_contents == "some value");
- BOOST_TEST(*cpp_var == "New value");
- return boost::report_errors();
- }
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