1 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
2 // Copyright 2015-2019 Antony Polukhin.
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt
6 // or copy at http://www.boost.org/LICENSE_1_0.txt)
7
8 #include <boost/core/lightweight_test.hpp>
9 #include <boost/dll.hpp>
10 #include <boost/function.hpp>
11 #include <string>
12 #include "b2_workarounds.hpp"
13
14 // Unit Tests
main(int argc,char * argv[])15 int main(int argc, char* argv[]) {
16 using namespace boost;
17
18 boost::dll::fs::path path_to_shared_library = b2_workarounds::first_lib_from_argv(argc, argv);
19 BOOST_TEST(path_to_shared_library.string().find("getting_started_library") != std::string::npos);
20
21 //[getting_started_imports_c_function
22 // Importing pure C function
23 function<int(int)> c_func = dll::import<int(int)>(
24 path_to_shared_library, "c_func_name"
25 );
26 //]
27
28 int c_func_res = c_func(1); // calling the function
29 BOOST_TEST(c_func_res == 2);
30
31
32 //[getting_started_imports_c_variable
33 // Importing pure C variable
34 shared_ptr<int> c_var = dll::import<int>(
35 path_to_shared_library, "c_variable_name"
36 );
37 //]
38
39 int c_var_old_contents = *c_var; // using the variable
40 *c_var = 100;
41 BOOST_TEST(c_var_old_contents == 1);
42
43
44 //[getting_started_imports_alias
45 // Importing function by alias name
46 /*<-*/ function<std::string(const std::string&)> /*->*/ /*=auto*/ cpp_func = dll::import_alias<std::string(const std::string&)>(
47 path_to_shared_library, "pretty_name"
48 );
49 //]
50
51 // calling the function
52 std::string cpp_func_res = cpp_func(std::string("In importer."));
53 BOOST_TEST(cpp_func_res == "In importer. Hello from lib!");
54
55 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
56 //[getting_started_imports_cpp11_function
57 // Importing function.
58 auto cpp11_func = dll::import<int(std::string&&)>(
59 path_to_shared_library, "i_am_a_cpp11_function"
60 );
61 //]
62
63 // calling the function
64 int cpp11_func_res = cpp11_func(std::string("In importer."));
65 BOOST_TEST(cpp11_func_res == sizeof("In importer.") - 1);
66 #endif
67
68
69 //[getting_started_imports_cpp_variable
70 // Importing variable.
71 shared_ptr<std::string> cpp_var = dll::import<std::string>(
72 path_to_shared_library, "cpp_variable_name"
73 );
74 //]
75
76 std::string cpp_var_old_contents = *cpp_var; // using the variable
77 *cpp_var = "New value";
78 BOOST_TEST(cpp_var_old_contents == "some value");
79 BOOST_TEST(*cpp_var == "New value");
80
81 return boost::report_errors();
82 }
83
84