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237 lines (193 loc) · 7.76 KB
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// Copyright 2016 Klemens Morgenstern
// Copyright 2019-2021 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/config.hpp>
#include <boost/predef.h>
#if (__cplusplus >= 201103L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201103L)
// Make sure that it at least compiles
# include <boost/dll/smart_library.hpp>
#endif
#if (__cplusplus >= 201402L) || (BOOST_COMP_MSVC >= BOOST_VERSION_NUMBER(14,0,0))
#include "../example/b2_workarounds.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);
BOOST_TEST(unscoped_var == get<int>(sm, "unscoped_var"));
BOOST_TEST(&unscoped_var == &get<int>(sm, "unscoped_var"));
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));
BOOST_TEST(ovl1 == get<void(int)>(sm, "overloaded"));
std::cerr << 8 << ' ';
ovl1(12);
BOOST_TEST(unscoped_var == 12);
ovl2(5.0);
BOOST_TEST(sp_variable == 5.0);
std::cerr << 9 << ' ';
// TODO: ms.get_name on Clang has space after comma `boost::variant<double, int>`
#if !(defined(BOOST_TRAVISCI_BUILD) && defined(_MSC_VER) && defined(BOOST_CLANG))
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);
}
#endif
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);
#ifndef BOOST_NO_RTTI
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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