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