1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
// 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 << ' ';
// 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
|
