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
133
134
135
136
137
138
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/weak_ptr.h"
namespace base {
struct Producer : SupportsWeakPtr<Producer> {};
struct DerivedProducer : Producer {};
struct OtherDerivedProducer : Producer {};
struct MultiplyDerivedProducer : Producer,
SupportsWeakPtr<MultiplyDerivedProducer> {};
struct Unrelated {};
struct DerivedUnrelated : Unrelated {};
#if defined(NCTEST_AUTO_DOWNCAST) // [r"invalid conversion from"]
void WontCompile() {
Producer f;
WeakPtr<Producer> ptr = f.AsWeakPtr();
WeakPtr<DerivedProducer> derived_ptr = ptr;
}
#elif defined(NCTEST_STATIC_DOWNCAST) // [r"invalid conversion from"]
void WontCompile() {
Producer f;
WeakPtr<Producer> ptr = f.AsWeakPtr();
WeakPtr<DerivedProducer> derived_ptr =
static_cast<WeakPtr<DerivedProducer> >(ptr);
}
#elif defined(NCTEST_AUTO_REF_DOWNCAST) // [r"invalid initialization of reference"]
void WontCompile() {
Producer f;
WeakPtr<Producer> ptr = f.AsWeakPtr();
WeakPtr<DerivedProducer>& derived_ptr = ptr;
}
#elif defined(NCTEST_STATIC_REF_DOWNCAST) // [r"invalid static_cast"]
void WontCompile() {
Producer f;
WeakPtr<Producer> ptr = f.AsWeakPtr();
WeakPtr<DerivedProducer>& derived_ptr =
static_cast<WeakPtr<DerivedProducer>&>(ptr);
}
#elif defined(NCTEST_STATIC_ASWEAKPTR_DOWNCAST) // [r"no matching function"]
void WontCompile() {
Producer f;
WeakPtr<DerivedProducer> ptr =
SupportsWeakPtr<Producer>::StaticAsWeakPtr<DerivedProducer>(&f);
}
#elif defined(NCTEST_UNSAFE_HELPER_DOWNCAST) // [r"invalid conversion from"]
void WontCompile() {
Producer f;
WeakPtr<DerivedProducer> ptr = AsWeakPtr(&f);
}
#elif defined(NCTEST_UNSAFE_INSTANTIATED_HELPER_DOWNCAST) // [r"no matching function"]
void WontCompile() {
Producer f;
WeakPtr<DerivedProducer> ptr = AsWeakPtr<DerivedProducer>(&f);
}
#elif defined(NCTEST_UNSAFE_WRONG_INSANTIATED_HELPER_DOWNCAST) // [r"invalid conversion from"]
void WontCompile() {
Producer f;
WeakPtr<DerivedProducer> ptr = AsWeakPtr<Producer>(&f);
}
#elif defined(NCTEST_UNSAFE_HELPER_CAST) // [r"cannot convert"]
void WontCompile() {
DerivedProducer f;
WeakPtr<OtherDerivedProducer> ptr = AsWeakPtr(&f);
}
#elif defined(NCTEST_UNSAFE_INSTANTIATED_HELPER_SIDECAST) // [r"no matching function"]
void WontCompile() {
DerivedProducer f;
WeakPtr<OtherDerivedProducer> ptr = AsWeakPtr<OtherDerivedProducer>(&f);
}
#elif defined(NCTEST_UNSAFE_WRONG_INSTANTIATED_HELPER_SIDECAST) // [r"cannot convert"]
void WontCompile() {
DerivedProducer f;
WeakPtr<OtherDerivedProducer> ptr = AsWeakPtr<DerivedProducer>(&f);
}
#elif defined(NCTEST_UNRELATED_HELPER) // [r"cannot convert"]
void WontCompile() {
DerivedProducer f;
WeakPtr<Unrelated> ptr = AsWeakPtr(&f);
}
#elif defined(NCTEST_UNRELATED_INSTANTIATED_HELPER) // [r"no matching function"]
void WontCompile() {
DerivedProducer f;
WeakPtr<Unrelated> ptr = AsWeakPtr<Unrelated>(&f);
}
#elif defined(NCTEST_COMPLETELY_UNRELATED_HELPER) // [r"size of array is negative"]
void WontCompile() {
Unrelated f;
WeakPtr<Unrelated> ptr = AsWeakPtr(&f);
}
#elif defined(NCTEST_DERIVED_COMPLETELY_UNRELATED_HELPER) // [r"size of array is negative"]
void WontCompile() {
DerivedUnrelated f;
WeakPtr<Unrelated> ptr = AsWeakPtr(&f);
}
#elif defined(NCTEST_AMBIGUOUS_ANCESTORS) // [r"ambiguous base"]
void WontCompile() {
MultiplyDerivedProducer f;
WeakPtr<MultiplyDerivedProducer> ptr = AsWeakPtr(&f);
}
#endif
}
|
