blob: 70c83aeb9255f21838ffc24d0e006e01741d0680 (
plain) (
blame)
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
|
// We need to test the deprecated API
#ifdef POINTERHOLDER_TRANSITION
# undef POINTERHOLDER_TRANSITION
#endif
#define POINTERHOLDER_TRANSITION 0
#include <qpdf/PointerHolder.hh>
#include <iostream>
#include <list>
#include <stdlib.h>
class Object
{
public:
Object();
~Object();
void hello();
void hello() const;
private:
static int next_id;
int id;
};
int Object::next_id = 0;
Object::Object()
{
this->id = ++next_id;
std::cout << "created Object, id " << this->id << std::endl;
}
Object::~Object()
{
std::cout << "destroyed Object, id " << this->id << std::endl;
}
void
Object::hello()
{
std::cout << "calling Object::hello for " << this->id << std::endl;
}
void
Object::hello() const
{
std::cout << "calling Object::hello const for " << this->id << std::endl;
}
typedef PointerHolder<Object> ObjectHolder;
void
callHello(ObjectHolder& oh)
{
oh.getPointer()->hello();
oh->hello();
(*oh).hello();
}
void
callHelloWithGet(ObjectHolder const& oh)
{
oh.get()->hello();
oh->hello();
(*oh).hello();
}
int
main(int argc, char* argv[])
{
std::list<ObjectHolder> ol1;
ObjectHolder oh0;
{
std::cout << "hello" << std::endl;
Object* o1 = new Object;
ObjectHolder oh1(o1);
std::cout << "oh1 refcount = " << oh1.getRefcount() << std::endl;
ObjectHolder oh2(oh1);
std::cout << "oh1 refcount = " << oh1.getRefcount() << std::endl;
std::cout << "oh2 refcount = " << oh2.use_count() << std::endl;
ObjectHolder oh3(new Object);
ObjectHolder oh4;
ObjectHolder oh5;
std::cout << "oh5 refcount = " << oh5.getRefcount() << std::endl;
if (oh4 == oh5) {
std::cout << "nulls equal" << std::endl;
}
oh3 = oh1;
oh4 = oh2;
if (oh3 == oh4) {
std::cout << "equal okay" << std::endl;
}
if ((!(oh3 < oh4)) && (!(oh4 < oh3))) {
std::cout << "less than okay" << std::endl;
}
ol1.push_back(oh3);
ol1.push_back(oh3);
Object* o3 = new Object;
oh0 = o3;
PointerHolder<Object const> oh6(new Object());
oh6->hello();
}
ol1.front().getPointer()->hello();
ol1.front()->hello();
(*ol1.front()).hello();
callHello(ol1.front());
callHelloWithGet(ol1.front());
ol1.pop_front();
std::cout << "array" << std::endl;
PointerHolder<Object> o_arr1_ph(true, new Object[2]);
std::cout << "goodbye" << std::endl;
return 0;
}
|
