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
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// pointer unique_ptr<T>::get() const noexcept;
// pointer unique_ptr<T[]>::get() const noexcept;
#include <memory>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
template <class T>
TEST_CONSTEXPR_CXX23 void test_basic() {
// non-const element type
{
// non-const access
{
T* x = new T;
std::unique_ptr<T> ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T*);
ASSERT_NOEXCEPT(ptr.get());
assert(ptr.get() == x);
}
// const access
{
T* x = new T;
std::unique_ptr<T> const ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T*);
ASSERT_NOEXCEPT(ptr.get());
assert(ptr.get() == x);
}
}
// const element type
{
// non-const access
{
T* x = new T;
std::unique_ptr<T const> ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T const*);
assert(ptr.get() == x);
}
// const access
{
T* x = new T;
std::unique_ptr<T const> const ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T const*);
assert(ptr.get() == x);
}
}
// Same thing but for unique_ptr<T[]>
// non-const element type
{
// non-const access
{
T* x = new T[3];
std::unique_ptr<T[]> ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T*);
ASSERT_NOEXCEPT(ptr.get());
assert(ptr.get() == x);
}
// const access
{
T* x = new T[3];
std::unique_ptr<T[]> const ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T*);
ASSERT_NOEXCEPT(ptr.get());
assert(ptr.get() == x);
}
}
// const element type
{
// non-const access
{
T* x = new T[3];
std::unique_ptr<T const[]> ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T const*);
assert(ptr.get() == x);
}
// const access
{
T* x = new T[3];
std::unique_ptr<T const[]> const ptr(x);
ASSERT_SAME_TYPE(decltype(ptr.get()), T const*);
assert(ptr.get() == x);
}
}
}
template <std::size_t Size>
struct WithSize {
char padding[Size];
};
TEST_CONSTEXPR_CXX23 bool test() {
test_basic<char>();
test_basic<int>();
test_basic<WithSize<1> >();
test_basic<WithSize<2> >();
test_basic<WithSize<3> >();
test_basic<WithSize<4> >();
test_basic<WithSize<8> >();
test_basic<WithSize<16> >();
test_basic<WithSize<256> >();
return true;
}
int main(int, char**) {
test();
#if TEST_STD_VER >= 23
static_assert(test());
#endif
return 0;
}
|
