1// Copyright 2016 Klemens Morgenstern
2//
3// Distributed under the Boost Software License, Version 1.0.
4// (See accompanying file LICENSE_1_0.txt
5// or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7// For more information, see http://www.boost.org
8
9#include <boost/config.hpp>
10
11#if (__cplusplus >= 201402L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201402L)
12
13#include "../example/b2_workarounds.hpp"
14
15#include <boost/dll/smart_library.hpp>
16#include <boost/dll/import_mangled.hpp>
17
18#include <boost/core/lightweight_test.hpp>
19#include <boost/filesystem.hpp>
20#include <boost/variant.hpp>
21#include <boost/function.hpp>
22
23#include <iostream>
24
25struct override_class
26{
27 int arr[32];
28};
29
30
31int main(int argc, char* argv[])
32{
33 using namespace boost::dll;
34 using namespace boost::dll::experimental;
35 boost::dll::fs::path pt = b2_workarounds::first_lib_from_argv(argc, argv);
36
37 BOOST_TEST(!pt.empty());
38 std::cout << "Library: " << pt << std::endl;
39
40 smart_library sm(pt);
41
42 auto sp_variable = import_mangled<double>(lib: sm, name: "some_space::variable");
43
44 auto unscoped_var = import_mangled<int>(lib: sm, name: "unscoped_var");
45
46
47 auto ovl = import_mangled<void(int), void(double)>(lib: sm, name: "overloaded");
48
49 ovl(12);
50 BOOST_TEST(*unscoped_var == 12);
51 ovl(5.0);
52 BOOST_TEST(*sp_variable == 5.0);
53
54 boost::function<void(int)> f_test = ovl;//test if it binds
55 f_test(-2);
56 BOOST_TEST(*unscoped_var == -2);
57
58 sm.add_type_alias<override_class>(name: "some_space::some_class");
59
60 auto func = import_mangled<
61 override_class, double(double, double), int(int, int),
62 volatile override_class, int(int, int),
63 const volatile override_class, double(double, double)>(lib: sm, name: "func");
64
65 override_class override_class_varible{};
66
67 override_class *ov = &override_class_varible;
68 volatile override_class *ovv = ov;
69 const volatile override_class *ovcv = ov;
70
71 BOOST_TEST(func(ov, 3.,2.) == 6.);
72 BOOST_TEST(func(ov, 1,2 ) == 3 );
73 BOOST_TEST(func(ovv, 10,2) == 8 );
74 BOOST_TEST(func(ovcv, 9,2) == 4.5 );
75
76 return boost::report_errors();
77}
78
79#else
80int main() {return 0;}
81#endif
82

source code of boost/libs/dll/test/cpp_import_test.cpp