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// 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 "../example/b2_workarounds.hpp"

#include <boost/dll.hpp>

#include <boost/core/lightweight_test.hpp>

#include <boost/function.hpp>

#include <boost/fusion/container.hpp>

// lib functions

typedef float (lib_version_func)();

typedef void (say_hello_func) ();

typedef int (increment) (int);

typedef boost::fusion::vector<std::vector<int>, std::vector<int>, std::vector<int>, const std::vector<int>*, std::vector<int>* > do_share_res_t;

typedef boost::shared_ptr<do_share_res_t> (do_share_t)(

std::vector<int> v1,

std::vector<int>& v2,

const std::vector<int>& v3,

const std::vector<int>* v4,

std::vector<int>* v5

);

void refcountable_test(boost::dll::fs::path shared_library_path) {

using namespace boost::dll;

using namespace boost::fusion;

std::vector<int> v(1000);

{

boost::function<say_hello_func> sz2

= import_symbol<say_hello_func>(shared_library_path, "say_hello");

sz2();

}

{

boost::function<std::size_t(const std::vector<int>&)> sz

= import_alias<std::size_t(const std::vector<int>&)>(shared_library_path, "foo_bar");

BOOST_TEST(sz(v) == 1000);

}

{

boost::function<do_share_t> f;

{

boost::function<do_share_t> f2 = import_alias<do_share_t>(shared_library_path, "do_share");

f = f2;

}

std::vector<int> v1(1, 1), v2(2, 2), v3(3, 3), v4(4, 4), v5(1000, 5);

boost::shared_ptr<do_share_res_t> res = f(v1, v2, v3, &v4, &v5);

BOOST_TEST(at_c<0>(*res).size() == 1); BOOST_TEST(at_c<0>(*res).front() == 1);

BOOST_TEST(at_c<1>(*res).size() == 2); BOOST_TEST(at_c<1>(*res).front() == 2);

BOOST_TEST(at_c<2>(*res).size() == 3); BOOST_TEST(at_c<2>(*res).front() == 3);

BOOST_TEST(at_c<3>(*res)->size() == 4); BOOST_TEST(at_c<3>(*res)->front() == 4);

BOOST_TEST(at_c<4>(*res)->size() == 1000); BOOST_TEST(at_c<4>(*res)->front() == 5);

BOOST_TEST(at_c<3>(*res) == &v4);

BOOST_TEST(at_c<4>(*res) == &v5);

BOOST_TEST(at_c<1>(*res).back() == 777);

BOOST_TEST(v5.back() == 9990);

}

{

boost::shared_ptr<int> i = import_symbol<int>(shared_library_path, "integer_g");

BOOST_TEST(*i == 100);

boost::shared_ptr<int> i2;

i.swap(i2);

BOOST_TEST(*i2 == 100);

}

{

boost::function<int&()> f = import_alias<int&()>(shared_library_path, "ref_returning_function");

BOOST_TEST(f() == 0);

f() = 10;

BOOST_TEST(f() == 10);

boost::function<int&()> f1 = import_alias<int&()>(shared_library_path, "ref_returning_function");

BOOST_TEST(f1() == 10);

f1() += 10;

BOOST_TEST(f() == 20);

}

{

boost::shared_ptr<const int> i = import_symbol<const int>(shared_library_path, "const_integer_g");

BOOST_TEST(*i == 777);

boost::shared_ptr<const int> i2 = i;

i.reset();

BOOST_TEST(*i2 == 777);

}

{

boost::shared_ptr<std::string> s = import_alias<std::string>(shared_library_path, "info");

BOOST_TEST(*s == "I am a std::string from the test_library (Think of me as of 'Hello world'. Long 'Hello world').");

boost::shared_ptr<std::string> s2;

s.swap(s2);

BOOST_TEST(*s2 == "I am a std::string from the test_library (Think of me as of 'Hello world'. Long 'Hello world').");

}

// exe function

extern "C" int BOOST_SYMBOL_EXPORT exef() {

return 15;

}

// Unit Tests

int main(int argc, char* argv[]) {

using namespace boost::dll;

boost::dll::fs::path shared_library_path = b2_workarounds::first_lib_from_argv(argc, argv);

BOOST_TEST(shared_library_path.string().find("test_library") != std::string::npos);

BOOST_TEST(b2_workarounds::is_shared_library(shared_library_path));

refcountable_test(shared_library_path);

shared_library sl(shared_library_path);

BOOST_TEST(sl.get<int>("integer_g") == 100);

sl.get<int>("integer_g") = 10;

BOOST_TEST(sl.get<int>("integer_g") == 10);

BOOST_TEST(sl.get<int>(std::string("integer_g")) == 10);

BOOST_TEST(sl.get<say_hello_func>("say_hello"));

sl.get<say_hello_func>("say_hello")();

float ver = sl.get<lib_version_func>("lib_version")();

BOOST_TEST(ver == 1.0);

int n = sl.get<increment>("increment")(1);

BOOST_TEST(n == 2);

BOOST_TEST(sl.get<const int>("const_integer_g") == 777);

boost::function<int(int)> inc = sl.get<int(int)>("increment");

BOOST_TEST(inc(1) == 2);

BOOST_TEST(inc(2) == 3);

BOOST_TEST(inc(3) == 4);

// Checking that symbols are still available, after another load+unload of the library

{ shared_library sl2(shared_library_path); }

BOOST_TEST(inc(1) == 2);

BOOST_TEST(sl.get<int>("integer_g") == 10);

// Checking aliases

boost::function<std::size_t(const std::vector<int>&)> sz

= sl.get_alias<std::size_t(const std::vector<int>&)>("foo_bar");

std::vector<int> v(10);

BOOST_TEST(sz(v) == 10);

BOOST_TEST(sl.get_alias<std::size_t>("foo_variable") == 42);

sz = sl.get<std::size_t(*)(const std::vector<int>&)>("foo_bar");

BOOST_TEST(sz(v) == 10);

BOOST_TEST(*sl.get<std::size_t*>("foo_variable") == 42);

{ // self

shared_library sl(program_location());

int val = sl.get<int(void)>("exef")();

BOOST_TEST(val == 15);

}

int& reference_to_internal_integer = sl.get<int&>("reference_to_internal_integer");

BOOST_TEST(reference_to_internal_integer == 0xFF0000);

#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES

int&& rvalue_reference_to_internal_integer = sl.get<int&&>("rvalue_reference_to_internal_integer");

BOOST_TEST(rvalue_reference_to_internal_integer == 0xFF0000);

#endif

return boost::report_errors();

}

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