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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/basictypes.h" | 5 #include "base/basictypes.h" |
6 #include "base/memory/scoped_ptr.h" | 6 #include "base/memory/scoped_ptr.h" |
7 #include "base/memory/ref_counted.h" | 7 #include "base/memory/ref_counted.h" |
8 | 8 |
9 namespace { | 9 namespace { |
10 | 10 |
11 class Parent { | 11 class Parent { |
12 }; | 12 }; |
13 | 13 |
14 class Child : public Parent { | 14 class Child : public Parent { |
15 }; | 15 }; |
16 | 16 |
17 class RefCountedClass : public base::RefCountedThreadSafe<RefCountedClass> { | 17 class RefCountedClass : public base::RefCountedThreadSafe<RefCountedClass> { |
18 }; | 18 }; |
19 | 19 |
20 } // namespace | 20 } // namespace |
21 | 21 |
22 #if defined(NCTEST_NO_PASSAS_DOWNCAST) // [r"invalid conversion from"] | 22 #if defined(NCTEST_NO_REF_COUNTED_SCOPED_PTR) // [r"fatal error: static_assert failed \"T_is_refcounted_type_and_needs_scoped_refptr\""] |
23 | |
24 scoped_ptr<Child> DowncastUsingPassAs(scoped_ptr<Parent> object) { | |
25 return object.PassAs<Child>(); | |
danakj
2014/11/03 16:05:13
Should we have a case of object.Pass(); where the
dcheng
2014/11/03 18:58:18
Good point. Changed this to DowncastUsingPass.
| |
26 } | |
27 | |
28 #elif defined(NCTEST_NO_REF_COUNTED_SCOPED_PTR) // [r"size of array is negative "] | |
29 | 23 |
30 // scoped_ptr<> should not work for ref-counted objects. | 24 // scoped_ptr<> should not work for ref-counted objects. |
31 void WontCompile() { | 25 void WontCompile() { |
32 scoped_ptr<RefCountedClass> x; | 26 scoped_ptr<RefCountedClass> x; |
33 } | 27 } |
34 | 28 |
35 #elif defined(NCTEST_NO_ARRAY_WITH_SIZE) // [r"size of array is negative"] | 29 #elif defined(NCTEST_NO_ARRAY_WITH_SIZE) // [r"fatal error: static_assert faile d \"do_not_use_array_with_size_as_type\""] |
36 | 30 |
37 void WontCompile() { | 31 void WontCompile() { |
38 scoped_ptr<int[10]> x; | 32 scoped_ptr<int[10]> x; |
39 } | 33 } |
40 | 34 |
41 #elif defined(NCTEST_NO_PASS_FROM_ARRAY) // [r"size of array is negative"] | 35 #elif defined(NCTEST_NO_PASS_FROM_ARRAY) // [r"fatal error: static_assert faile d \"U_cannot_be_an_array\""] |
42 | 36 |
43 void WontCompile() { | 37 void WontCompile() { |
44 scoped_ptr<int[]> a; | 38 scoped_ptr<int[]> a; |
45 scoped_ptr<int*> b; | 39 scoped_ptr<int*> b; |
46 b = a.Pass(); | 40 b = a.Pass(); |
47 } | 41 } |
48 | 42 |
49 #elif defined(NCTEST_NO_PASS_TO_ARRAY) // [r"no match for 'operator='"] | 43 #elif defined(NCTEST_NO_PASS_TO_ARRAY) // [r"fatal error: no viable overloaded '='"] |
50 | 44 |
51 void WontCompile() { | 45 void WontCompile() { |
52 scoped_ptr<int*> a; | 46 scoped_ptr<int*> a; |
53 scoped_ptr<int[]> b; | 47 scoped_ptr<int[]> b; |
54 b = a.Pass(); | 48 b = a.Pass(); |
55 } | 49 } |
56 | 50 |
57 #elif defined(NCTEST_NO_CONSTRUCT_FROM_ARRAY) // [r"is private"] | 51 #elif defined(NCTEST_NO_CONSTRUCT_FROM_ARRAY) // [r"fatal error: 'impl_' is a p rivate member of 'scoped_ptr<int \[\], base::DefaultDeleter<int \[\]> >'"] |
58 | 52 |
59 void WontCompile() { | 53 void WontCompile() { |
60 scoped_ptr<int[]> a; | 54 scoped_ptr<int[]> a; |
61 scoped_ptr<int*> b(a.Pass()); | 55 scoped_ptr<int*> b(a.Pass()); |
62 } | 56 } |
63 | 57 |
64 #elif defined(NCTEST_NO_CONSTRUCT_TO_ARRAY) // [r"no matching function for call "] | 58 #elif defined(NCTEST_NO_CONSTRUCT_TO_ARRAY) // [r"fatal error: no matching cons tructor for initialization of 'scoped_ptr<int \[\]>'"] |
65 | 59 |
66 void WontCompile() { | 60 void WontCompile() { |
67 scoped_ptr<int*> a; | 61 scoped_ptr<int*> a; |
68 scoped_ptr<int[]> b(a.Pass()); | 62 scoped_ptr<int[]> b(a.Pass()); |
69 } | 63 } |
70 | 64 |
71 #elif defined(NCTEST_NO_CONSTRUCT_SCOPED_PTR_ARRAY_FROM_NULL) // [r"is ambiguou s"] | 65 #elif defined(NCTEST_NO_CONSTRUCT_SCOPED_PTR_ARRAY_FROM_NULL) // [r"is ambiguou s"] |
72 | 66 |
73 void WontCompile() { | 67 void WontCompile() { |
74 scoped_ptr<int[]> x(NULL); | 68 scoped_ptr<int[]> x(NULL); |
75 } | 69 } |
76 | 70 |
77 #elif defined(NCTEST_NO_CONSTRUCT_SCOPED_PTR_ARRAY_FROM_DERIVED) // [r"is priva te"] | 71 #elif defined(NCTEST_NO_CONSTRUCT_SCOPED_PTR_ARRAY_FROM_DERIVED) // [r"fatal er ror: calling a private constructor of class 'scoped_ptr<\(anonymous namespace\): :Parent \[\], base::DefaultDeleter<\(anonymous namespace\)::Parent \[\]> >'"] |
78 | 72 |
79 void WontCompile() { | 73 void WontCompile() { |
80 scoped_ptr<Parent[]> x(new Child[1]); | 74 scoped_ptr<Parent[]> x(new Child[1]); |
81 } | 75 } |
82 | 76 |
83 #elif defined(NCTEST_NO_RESET_SCOPED_PTR_ARRAY_FROM_NULL) // [r"is ambiguous"] | 77 #elif defined(NCTEST_NO_RESET_SCOPED_PTR_ARRAY_FROM_NULL) // [r"is ambiguous"] |
84 | 78 |
85 void WontCompile() { | 79 void WontCompile() { |
86 scoped_ptr<int[]> x; | 80 scoped_ptr<int[]> x; |
87 x.reset(NULL); | 81 x.reset(NULL); |
88 } | 82 } |
89 | 83 |
90 #elif defined(NCTEST_NO_RESET_SCOPED_PTR_ARRAY_FROM_DERIVED) // [r"is private"] | 84 #elif defined(NCTEST_NO_RESET_SCOPED_PTR_ARRAY_FROM_DERIVED) // [r"fatal error: 'reset' is a private member of 'scoped_ptr<\(anonymous namespace\)::Parent \[\] , base::DefaultDeleter<\(anonymous namespace\)::Parent \[\]> >'"] |
91 | 85 |
92 void WontCompile() { | 86 void WontCompile() { |
93 scoped_ptr<Parent[]> x; | 87 scoped_ptr<Parent[]> x; |
94 x.reset(new Child[1]); | 88 x.reset(new Child[1]); |
95 } | 89 } |
96 | 90 |
97 #elif defined(NCTEST_NO_DELETER_REFERENCE) // [r"fails to be a struct or class type"] | 91 #elif defined(NCTEST_NO_DELETER_REFERENCE) // [r"fatal error: base specifier mu st name a class"] |
98 | 92 |
99 struct Deleter { | 93 struct Deleter { |
100 void operator()(int*) {} | 94 void operator()(int*) {} |
101 }; | 95 }; |
102 | 96 |
103 // Current implementation doesn't support Deleter Reference types. Enabling | 97 // Current implementation doesn't support Deleter Reference types. Enabling |
104 // support would require changes to the behavior of the constructors to match | 98 // support would require changes to the behavior of the constructors to match |
105 // including the use of SFINAE to discard the type-converting constructor | 99 // including the use of SFINAE to discard the type-converting constructor |
106 // as per C++11 20.7.1.2.1.19. | 100 // as per C++11 20.7.1.2.1.19. |
107 void WontCompile() { | 101 void WontCompile() { |
108 Deleter d; | 102 Deleter d; |
109 int n; | 103 int n; |
110 scoped_ptr<int*, Deleter&> a(&n, d); | 104 scoped_ptr<int*, Deleter&> a(&n, d); |
111 } | 105 } |
112 | 106 |
113 #endif | 107 #endif |
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