base/memory/weak_ptr_unittest.nc - Issue 1647803004: Move base to DEPS

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Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 4 years, 10 months ago

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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

3 // found in the LICENSE file.

4

5 #include "base/memory/weak_ptr.h"

6

7 namespace base {

8

9 struct Producer : SupportsWeakPtr<Producer> {};

10 struct DerivedProducer : Producer {};

11 struct OtherDerivedProducer : Producer {};

12 struct MultiplyDerivedProducer : Producer,

13 SupportsWeakPtr<MultiplyDerivedProducer> {};

14 struct Unrelated {};

15 struct DerivedUnrelated : Unrelated {};

16

17 #if defined(NCTEST_AUTO_DOWNCAST) // [r"fatal error: cannot initialize a member subobject of type 'base::DerivedProducer \' with an lvalue of type 'base::Prod ucer \const'"]

18

19 void WontCompile() {

20 Producer f;

21 WeakPtr<Producer> ptr = f.AsWeakPtr();

22 WeakPtr<DerivedProducer> derived_ptr = ptr;

23 }

24

25 #elif defined(NCTEST_STATIC_DOWNCAST) // [r"fatal error: cannot initialize a me mber subobject of type 'base::DerivedProducer \' with an lvalue of type 'base:: Producer \const'"]

26

27 void WontCompile() {

28 Producer f;

29 WeakPtr<Producer> ptr = f.AsWeakPtr();

30 WeakPtr<DerivedProducer> derived_ptr =

31 static_cast<WeakPtr<DerivedProducer> >(ptr);

32 }

33

34 #elif defined(NCTEST_AUTO_REF_DOWNCAST) // [r"fatal error: non-const lvalue ref erence to type 'WeakPtr<base::DerivedProducer>' cannot bind to a value of unrela ted type 'WeakPtr<base::Producer>'"]

35

36 void WontCompile() {

37 Producer f;

38 WeakPtr<Producer> ptr = f.AsWeakPtr();

39 WeakPtr<DerivedProducer>& derived_ptr = ptr;

40 }

41

42 #elif defined(NCTEST_STATIC_REF_DOWNCAST) // [r"fatal error: non-const lvalue r eference to type 'WeakPtr<base::DerivedProducer>' cannot bind to a value of unre lated type 'WeakPtr<base::Producer>'"]

43

44 void WontCompile() {

45 Producer f;

46 WeakPtr<Producer> ptr = f.AsWeakPtr();

47 WeakPtr<DerivedProducer>& derived_ptr =

48 static_cast<WeakPtr<DerivedProducer>&>(ptr);

49 }

50

51 #elif defined(NCTEST_STATIC_ASWEAKPTR_DOWNCAST) // [r"no matching function"]

52

53 void WontCompile() {

54 Producer f;

55 WeakPtr<DerivedProducer> ptr =

56 SupportsWeakPtr<Producer>::StaticAsWeakPtr<DerivedProducer>(&f);

57 }

58

59 #elif defined(NCTEST_UNSAFE_HELPER_DOWNCAST) // [r"fatal error: cannot initiali ze a member subobject of type 'base::DerivedProducer \' with an lvalue of type 'base::Producer \const'"]

60

61 void WontCompile() {

62 Producer f;

63 WeakPtr<DerivedProducer> ptr = AsWeakPtr(&f);

64 }

65

66 #elif defined(NCTEST_UNSAFE_INSTANTIATED_HELPER_DOWNCAST) // [r"no matching fun ction"]

67

68 void WontCompile() {

69 Producer f;

70 WeakPtr<DerivedProducer> ptr = AsWeakPtr<DerivedProducer>(&f);

71 }

72

73 #elif defined(NCTEST_UNSAFE_WRONG_INSANTIATED_HELPER_DOWNCAST) // [r"fatal erro r: cannot initialize a member subobject of type 'base::DerivedProducer \' with an lvalue of type 'base::Producer \const'"]

74

75 void WontCompile() {

76 Producer f;

77 WeakPtr<DerivedProducer> ptr = AsWeakPtr<Producer>(&f);

78 }

79

80 #elif defined(NCTEST_UNSAFE_HELPER_CAST) // [r"fatal error: cannot initialize a member subobject of type 'base::OtherDerivedProducer \' with an lvalue of type 'base::DerivedProducer \const'"]

81

82 void WontCompile() {

83 DerivedProducer f;

84 WeakPtr<OtherDerivedProducer> ptr = AsWeakPtr(&f);

85 }

86

87 #elif defined(NCTEST_UNSAFE_INSTANTIATED_HELPER_SIDECAST) // [r"fatal error: no matching function for call to 'AsWeakPtr'"]

88

89 void WontCompile() {

90 DerivedProducer f;

91 WeakPtr<OtherDerivedProducer> ptr = AsWeakPtr<OtherDerivedProducer>(&f);

92 }

93

94 #elif defined(NCTEST_UNSAFE_WRONG_INSTANTIATED_HELPER_SIDECAST) // [r"fatal err or: cannot initialize a member subobject of type 'base::OtherDerivedProducer \' with an lvalue of type 'base::DerivedProducer \const'"]

95

96 void WontCompile() {

97 DerivedProducer f;

98 WeakPtr<OtherDerivedProducer> ptr = AsWeakPtr<DerivedProducer>(&f);

99 }

100

101 #elif defined(NCTEST_UNRELATED_HELPER) // [r"fatal error: cannot initialize a m ember subobject of type 'base::Unrelated \' with an lvalue of type 'base::Deriv edProducer \const'"]

102

103 void WontCompile() {

104 DerivedProducer f;

105 WeakPtr<Unrelated> ptr = AsWeakPtr(&f);

106 }

107

108 #elif defined(NCTEST_UNRELATED_INSTANTIATED_HELPER) // [r"no matching function" ]

109

110 void WontCompile() {

111 DerivedProducer f;

112 WeakPtr<Unrelated> ptr = AsWeakPtr<Unrelated>(&f);

113 }

114

115 #elif defined(NCTEST_COMPLETELY_UNRELATED_HELPER) // [r"fatal error: static_ass ert failed \"AsWeakPtr_argument_inherits_from_SupportsWeakPtr\""]

116

117 void WontCompile() {

118 Unrelated f;

119 WeakPtr<Unrelated> ptr = AsWeakPtr(&f);

120 }

121

122 #elif defined(NCTEST_DERIVED_COMPLETELY_UNRELATED_HELPER) // [r"fatal error: st atic_assert failed \"AsWeakPtr_argument_inherits_from_SupportsWeakPtr\""]

123

124 void WontCompile() {

125 DerivedUnrelated f;

126 WeakPtr<Unrelated> ptr = AsWeakPtr(&f);

127 }

128

129 #elif defined(NCTEST_AMBIGUOUS_ANCESTORS) // [r"fatal error: ambiguous conversi on from derived class 'base::MultiplyDerivedProducer' to base class 'base::inter nal::SupportsWeakPtrBase':"]

130

131 void WontCompile() {

132 MultiplyDerivedProducer f;

133 WeakPtr<MultiplyDerivedProducer> ptr = AsWeakPtr(&f);

134 }

135

136 #endif

137

138 }

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