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dll/test/symbol_runtime_info_test.cpp

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// Copyright 2014 Renato Tegon Forti, 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)
// For more information, see http://www.boost.org
#include <boost/dll.hpp>
#include <boost/dll/runtime_symbol_info.hpp>
#include <boost/test/minimal.hpp>
#include "../example/shared_lib_path.hpp"
// lib functions
typedef float (lib_version_func)();
typedef void (say_hello_func) ();
typedef int (increment) (int);
// exe function
extern "C" int BOOST_SYMBOL_EXPORT exef() {
return 15;
}
void internal_function() {}
int internal_variable = 1;
// Unit Tests
int test_main(int argc, char* argv[]) {
using namespace boost::dll;
BOOST_CHECK(argc >= 2);
boost::filesystem::path shared_library_path = shared_lib_path(argv[1], L"test_library");
std::cout << "Library: " << shared_library_path;
shared_library lib(shared_library_path);
std::cout << std::endl;
std::cout << "shared_library_: " << shared_library_path << std::endl;
std::cout << "symbol_location: " << symbol_location(&lib.get<int>("integer_g")) << std::endl;
std::cout << "lib.location(): " << lib.location() << std::endl;
BOOST_CHECK(
symbol_location(lib.get<int>("integer_g")) == lib.location()
);
BOOST_CHECK(
symbol_location(lib.get<say_hello_func>("say_hello")) == lib.location()
);
BOOST_CHECK(
symbol_location(lib.get<lib_version_func>("lib_version")) == lib.location()
);
BOOST_CHECK(
symbol_location(lib.get<const int>("const_integer_g")) == lib.location()
);
// Cheking that symbols are still available, after another load+unload of the library
{ shared_library sl2(shared_library_path); }
BOOST_CHECK(
symbol_location(lib.get<int>("integer_g")) == lib.location()
);
// Checking aliases
BOOST_CHECK(
symbol_location(lib.get<std::size_t(*)(const std::vector<int>&)>("foo_bar")) == lib.location()
);
BOOST_CHECK(
symbol_location(lib.get_alias<std::size_t(const std::vector<int>&)>("foo_bar")) == lib.location()
);
BOOST_CHECK(
symbol_location(lib.get<std::size_t*>("foo_variable")) == lib.location()
);
BOOST_CHECK(
symbol_location(lib.get_alias<std::size_t>("foo_variable")) == lib.location()
);
{ // self
shared_library sl(program_location());
BOOST_CHECK(
(boost::filesystem::equivalent(symbol_location(sl.get<int(void)>("exef")), argv[0]))
);
}
std::cout << "\ninternal_function: " << symbol_location(internal_function);
std::cout << "\nargv[0] : " << boost::filesystem::absolute(argv[0]);
BOOST_CHECK(
(boost::filesystem::equivalent(symbol_location(internal_function), argv[0]))
);
BOOST_CHECK(
(boost::filesystem::equivalent(symbol_location(internal_variable), argv[0]))
);
BOOST_CHECK(
(boost::filesystem::equivalent(this_line_location(), argv[0]))
);
BOOST_CHECK(
lib.get_alias<boost::filesystem::path()>("module_location_from_itself")() == lib.location()
);
return 0;
}