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
|
/* Copyright 2002 - 2016, The libsigc++ Development Team
* Assigned to public domain. Use as you wish without restriction.
*/
#include "testutilities.h"
#include <sstream>
#include <functional> //For std::ref().
#include <cstdlib>
#include <sigc++/adaptors/bind.h>
#include <sigc++/adaptors/compose.h>
#include <sigc++/functors/mem_fun.h>
#include <sigc++/functors/ptr_fun.h>
namespace
{
TestUtilities* util = nullptr;
std::ostringstream result_stream;
struct A : public sigc::trackable
{
A() {}
};
template<typename T_type, bool I_derived = std::is_base_of<sigc::trackable, T_type>::value>
struct with_trackable;
template<typename T_type>
struct with_trackable<T_type, false>
{
static void perform(const T_type&) { result_stream << "other "; }
};
template<typename T_type>
struct with_trackable<T_type, true>
{
static void perform(const T_type&) { result_stream << "trackable "; }
static void perform(T_type*) { result_stream << "trackable* "; }
static void perform(const T_type*) { result_stream << "const trackable* "; }
};
struct print
{
void operator()(int i) const { result_stream << "int: " << i << " "; }
template<typename T>
void operator()(const T& t) const
{
with_trackable<T>::perform(t);
}
};
void
foo(int, int, int)
{
}
void
bar(int)
{
}
} // end anonymous namespace
void
test_hit_all_targets()
{
int i = 1;
A a;
result_stream << "hit all targets: ";
sigc::visit_each(
print(), sigc::compose(sigc::bind(sigc::ptr_fun(&foo), std::ref(a), i), sigc::ptr_fun(&bar)));
util->check_result(result_stream, "hit all targets: other trackable int: 1 other ");
}
void
test_hit_all_trackable()
{
int i = 3;
A a;
result_stream << "hit all trackable: ";
sigc::visit_each_trackable(
print(), sigc::compose(sigc::bind(sigc::ptr_fun(&foo), std::ref(a), i), sigc::ptr_fun(&bar)));
util->check_result(result_stream, "hit all trackable: trackable ");
}
int
main(int argc, char* argv[])
{
util = TestUtilities::get_instance();
if (!util->check_command_args(argc, argv))
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
test_hit_all_targets();
test_hit_all_trackable();
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
}
|
