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
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// test swap
#include <memory>
#include <cassert>
#include "test_macros.h"
#include "unique_ptr_test_helper.h"
struct TT {
int state_;
static int count;
TT() : state_(-1) { ++count; }
explicit TT(int i) : state_(i) { ++count; }
TT(const TT& a) : state_(a.state_) { ++count; }
TT& operator=(const TT& a) {
state_ = a.state_;
return *this;
}
~TT() { --count; }
friend bool operator==(const TT& x, const TT& y) {
return x.state_ == y.state_;
}
};
int TT::count = 0;
template <class T>
typename std::remove_all_extents<T>::type* newValueInit(int size,
int new_value) {
typedef typename std::remove_all_extents<T>::type VT;
VT* p = newValue<T>(size);
for (int i = 0; i < size; ++i)
(p + i)->state_ = new_value;
return p;
}
template <bool IsArray>
void test_basic() {
typedef typename std::conditional<IsArray, TT[], TT>::type VT;
const int expect_alive = IsArray ? 5 : 1;
#if TEST_STD_VER >= 11
{
using U = std::unique_ptr<VT, Deleter<VT> >;
U u; ((void)u);
ASSERT_NOEXCEPT(u.swap(u));
}
#endif
{
TT* p1 = newValueInit<VT>(expect_alive, 1);
std::unique_ptr<VT, Deleter<VT> > s1(p1, Deleter<VT>(1));
TT* p2 = newValueInit<VT>(expect_alive, 2);
std::unique_ptr<VT, Deleter<VT> > s2(p2, Deleter<VT>(2));
assert(s1.get() == p1);
assert(*s1.get() == TT(1));
assert(s1.get_deleter().state() == 1);
assert(s2.get() == p2);
assert(*s2.get() == TT(2));
assert(s2.get_deleter().state() == 2);
s1.swap(s2);
assert(s1.get() == p2);
assert(*s1.get() == TT(2));
assert(s1.get_deleter().state() == 2);
assert(s2.get() == p1);
assert(*s2.get() == TT(1));
assert(s2.get_deleter().state() == 1);
assert(TT::count == (expect_alive * 2));
}
assert(TT::count == 0);
}
int main() {
test_basic</*IsArray*/ false>();
test_basic<true>();
}
|
