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- // Copyright 2016 Klemens Morgenstern
- //
- // 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/predef.h>
- #if (__cplusplus >= 201402L) || (BOOST_COMP_MSVC >= BOOST_VERSION_NUMBER(14,0,0))
- #include "../example/b2_workarounds.hpp"
- #include <boost/dll/smart_library.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <boost/filesystem.hpp>
- #include <boost/variant.hpp>
- #include <iostream>
- struct override_class
- {
- int arr[32];
- };
- int main(int argc, char* argv[])
- {
- using namespace boost::dll;
- using namespace boost::dll::experimental;
- boost::dll::fs::path pt = b2_workarounds::first_lib_from_argv(argc, argv);
- BOOST_TEST(!pt.empty());
- std::cout << "Library: " << pt << std::endl;
- std::cerr << 1 << ' ';
- smart_library sm(pt);
- auto& unscoped_var = sm.get_variable<int>("unscoped_var");
- BOOST_TEST(unscoped_var == 42);
- std::cerr << 2 << ' ';
- auto& unscoped_c_var = sm.get_variable<const double>("unscoped_c_var");
- BOOST_TEST(unscoped_c_var == 1.234);
- std::cerr << 3 << ' ';
- auto& sp_variable = sm.get_variable<double>("some_space::variable");
- BOOST_TEST(sp_variable == 0.2);
- std::cerr << 4 << ' ';
- auto scoped_fun = sm.get_function<const int&()>("some_space::scoped_fun");
- BOOST_TEST(scoped_fun != nullptr);
- { std::cerr << 5 << ' ';
- auto &res = scoped_fun();
- const int expected = 0xDEADBEEF;
- BOOST_TEST(res == expected);
- }
- std::cerr << 6 << ' ';
- auto ovl1 = sm.get_function<void(int)> ("overloaded");
- auto ovl2 = sm.get_function<void(double)>("overloaded");
- std::cerr << 7 << ' ';
- BOOST_TEST(ovl1 != nullptr);
- BOOST_TEST(ovl2 != nullptr);
- BOOST_TEST(reinterpret_cast<void*>(ovl1) != reinterpret_cast<void*>(ovl2));
- std::cerr << 8 << ' ';
- ovl1(12);
- BOOST_TEST(unscoped_var == 12);
- ovl2(5.0);
- BOOST_TEST(sp_variable == 5.0);
- std::cerr << 9 << ' ';
- auto var1 = sm.get_function<void(boost::variant<int, double> &)>("use_variant");
- auto var2 = sm.get_function<void(boost::variant<double, int> &)>("use_variant");
- std::cerr << 10 << ' ';
- BOOST_TEST(var1 != nullptr);
- BOOST_TEST(var2 != nullptr);
- BOOST_TEST(reinterpret_cast<void*>(var1) != reinterpret_cast<void*>(var2));
- {
- boost::variant<int, double> v1 = 232.22;
- boost::variant<double, int> v2 = -1;
- std::cerr << 11 << ' ';
- var1(v1);
- var2(v2);
- struct : boost::static_visitor<void>
- {
- void operator()(double) {BOOST_TEST(false);}
- void operator()(int i) {BOOST_TEST(i == 42);}
- } vis1;
- struct : boost::static_visitor<void>
- {
- void operator()(double d) {BOOST_TEST(d == 3.124);}
- void operator()(int ) {BOOST_TEST(false);}
- } vis2;
- boost::apply_visitor(vis1, v1);
- boost::apply_visitor(vis2, v2);
- }
- std::cerr << 12 << ' ';
- /* now test the class stuff */
- //first we import and test the global variables
- auto& father_val = sm.get_variable<int>("some_space::father_value");
- auto& static_val = sm.get_variable<int>("some_space::some_class::value");
- BOOST_TEST(father_val == 12);
- BOOST_TEST(static_val == -1);
- std::cerr << 13 << ' ';
- //now get the static function.
- auto set_value = sm.get_function<void(const int &)>("some_space::some_class::set_value");
- BOOST_TEST(set_value != nullptr);
- std::cerr << 14 << ' ';
- set_value(42);
- BOOST_TEST(static_val == 42); //alright, static method works.
- //alright, now import the class members
- //first add the type alias.
- sm.add_type_alias<override_class>("some_space::some_class");
- std::cerr << 15 << ' ';
- auto set = sm.get_mem_fn<override_class, void(int)>("set");
- std::cerr << 16 << ' ';
- try {
- sm.get_mem_fn<override_class, int()>("get");
- BOOST_TEST(false);
- } catch(boost::dll::fs::system_error &) {}
- auto get = sm.get_mem_fn<const override_class, int()>("get");
- std::cerr << 17 << ' ';
- BOOST_TEST(get != nullptr);
- BOOST_TEST(set != nullptr);
- std::cerr << 18 << ' ';
- auto func_dd = sm.get_mem_fn<override_class, double(double, double)>("func");
- auto func_ii = sm.get_mem_fn<override_class, int(int, int)> ("func");
- auto func_iiv = sm.get_mem_fn<volatile override_class, int(int, int)> ("func");
- auto func_ddc = sm.get_mem_fn<const volatile override_class, double(double, double)>("func");
- std::cerr << 19 << ' ';
- BOOST_TEST(func_dd != nullptr);
- BOOST_TEST(func_ii != nullptr);
- std::cerr << 20 << ' ';
- auto ctor_v = sm.get_constructor<override_class()>();
- auto ctor_i = sm.get_constructor<override_class(int)>();
- auto dtor = sm.get_destructor<override_class>();
- std::cerr << 21 << ' ';
- //actually never used.
- if (ctor_v.has_allocating())
- {
- //allocate
- auto p = ctor_v.call_allocating();
- //assert it works
- auto val = (p->*get)();
- BOOST_TEST(val == 123);
- //deallocate
- dtor.call_deleting(p);
- //now i cannot assert that it deletes, since it would crash.
- }
- //More tests to assure the correct this-ptr
- std::cerr << 22 << ' ';
- typedef override_class * override_class_p;
- override_class_p &this_dll = sm.shared_lib().get<override_class_p>("this_");
- std::cerr << 23 << ' ';
- //ok, now load the ctor/dtor
- override_class oc;
- override_class_p this_exe = &oc;
- for (auto& i : oc.arr) {
- i = 0;
- }
- std::cerr << 24 << ' ';
- BOOST_TEST((oc.*get)() == 0); BOOST_TEST(this_dll == this_exe);
- ctor_i.call_standard(&oc, 12); BOOST_TEST(this_dll == this_exe);
- BOOST_TEST(static_val == 12);
- BOOST_TEST((oc.*get)() == 456); BOOST_TEST(this_dll == this_exe);
- (oc.*set)(42);
- BOOST_TEST((oc.*get)() == 42); BOOST_TEST(this_dll == this_exe);
- std::cerr << 25 << ' ';
- BOOST_TEST((oc.*func_dd)(3,2) == 6); BOOST_TEST(this_dll == this_exe);
- BOOST_TEST((oc.*func_ii)(1,2) == 3); BOOST_TEST(this_dll == this_exe);
- BOOST_TEST((oc.*func_ddc)(10,2) == 5); BOOST_TEST(this_dll == this_exe);
- BOOST_TEST((oc.*func_iiv)(9,2) == 7); BOOST_TEST(this_dll == this_exe);
- std::cerr << 26 << ' ';
- dtor.call_standard(&oc); BOOST_TEST(this_dll == this_exe);
- BOOST_TEST(static_val == 0);
- // TODO: FIX!
- #ifndef BOOST_TRAVISCI_BUILD
- const auto& ti = sm.get_type_info<override_class>();
- BOOST_TEST(ti.name() != nullptr);
- #endif
- std::cerr << 27 << ' ';
- //test the ovls helper.
- {
- namespace ex = boost::dll::experimental;
- auto &var = ex::get<double>(sm, "some_space::variable");
- BOOST_TEST(&var == &sp_variable);
- auto fun = ex::get<void(int)>(sm, "overloaded");
- BOOST_TEST(fun == ovl1);
- auto func_ii = sm.get_mem_fn<override_class, int(int, int)> ("func");
- auto mem_fn = ex::get<override_class, int(int, int)>(sm, "func");
- BOOST_TEST(mem_fn == func_ii);
- }
- std::cerr << 28 << ' ';
- return boost::report_errors();
- }
- #else
- int main() {return 0;}
- #endif
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