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