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- // Copyright 2011-2012 Renato Tegon Forti.
- // 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)
- // 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<say_hello_func>(shared_library_path, "say_hello");
- sz2();
- sz2();
- 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<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<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_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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