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Diffstat (limited to 'clang/test/CXX/special/class.copy/p11.0x.copy.cpp')
-rw-r--r-- | clang/test/CXX/special/class.copy/p11.0x.copy.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/clang/test/CXX/special/class.copy/p11.0x.copy.cpp b/clang/test/CXX/special/class.copy/p11.0x.copy.cpp new file mode 100644 index 0000000..b2b4f6a --- /dev/null +++ b/clang/test/CXX/special/class.copy/p11.0x.copy.cpp @@ -0,0 +1,121 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s + +struct NonTrivial { + NonTrivial(const NonTrivial&); +}; + +// A defaulted copy constructor for a class X is defined as deleted if X has: + +// -- a variant member with a non-trivial corresponding constructor +union DeletedNTVariant { + NonTrivial NT; // expected-note{{copy constructor of union 'DeletedNTVariant' is implicitly deleted because field 'NT' has a non-trivial copy constructor}} + DeletedNTVariant(); +}; +DeletedNTVariant DVa; +DeletedNTVariant DVb(DVa); // expected-error{{call to implicitly-deleted copy constructor}} + +struct DeletedNTVariant2 { + union { + NonTrivial NT; // expected-note{{copy constructor of union 'DeletedNTVariant2' is implicitly deleted because field 'NT' has a non-trivial copy constructor}} + }; + DeletedNTVariant2(); +}; +DeletedNTVariant2 DV2a; +DeletedNTVariant2 DV2b(DV2a); // expected-error{{call to implicitly-deleted copy constructor}} + +// -- a non-static data member of class type M (or array thereof) that cannot be +// copied because overload resolution results in an ambiguity or a function +// that is deleted or inaccessible +struct NoAccess { + NoAccess() = default; +private: + NoAccess(const NoAccess&); + + friend struct HasAccess; +}; + +struct HasNoAccess { + NoAccess NA; // expected-note{{copy constructor of 'HasNoAccess' is implicitly deleted because field 'NA' has an inaccessible copy constructor}} +}; +HasNoAccess HNAa; +HasNoAccess HNAb(HNAa); // expected-error{{call to implicitly-deleted copy constructor}} + +struct HasAccess { + NoAccess NA; +}; + +HasAccess HAa; +HasAccess HAb(HAa); + +struct NonConst { + NonConst(NonConst&); +}; +struct Ambiguity { + Ambiguity(const Ambiguity&); + Ambiguity(volatile Ambiguity&); +}; + +struct IsAmbiguous { + NonConst NC; + Ambiguity A; // expected-note 2{{copy constructor of 'IsAmbiguous' is implicitly deleted because field 'A' has multiple copy constructors}} + IsAmbiguous(); +}; +IsAmbiguous IAa; +IsAmbiguous IAb(IAa); // expected-error{{call to implicitly-deleted copy constructor}} + +struct Deleted { + IsAmbiguous IA; // expected-note{{copy constructor of 'Deleted' is implicitly deleted because field 'IA' has a deleted copy constructor}} +}; +Deleted Da; +Deleted Db(Da); // expected-error{{call to implicitly-deleted copy constructor}} + +// -- a direct or virtual base class B that cannot be copied because overload +// resolution results in an ambiguity or a function that is deleted or +// inaccessible +struct AmbiguousCopyBase : Ambiguity { // expected-note 2{{copy constructor of 'AmbiguousCopyBase' is implicitly deleted because base class 'Ambiguity' has multiple copy constructors}} + NonConst NC; +}; +extern AmbiguousCopyBase ACBa; +AmbiguousCopyBase ACBb(ACBa); // expected-error {{deleted copy constructor}} + +struct DeletedCopyBase : AmbiguousCopyBase {}; // expected-note {{copy constructor of 'DeletedCopyBase' is implicitly deleted because base class 'AmbiguousCopyBase' has a deleted copy constructor}} +extern DeletedCopyBase DCBa; +DeletedCopyBase DCBb(DCBa); // expected-error {{deleted copy constructor}} + +struct InaccessibleCopyBase : NoAccess {}; // expected-note {{copy constructor of 'InaccessibleCopyBase' is implicitly deleted because base class 'NoAccess' has an inaccessible copy constructor}} +extern InaccessibleCopyBase ICBa; +InaccessibleCopyBase ICBb(ICBa); // expected-error {{deleted copy constructor}} + +// -- any direct or virtual base class or non-static data member of a type with +// a destructor that is deleted or inaccessible +struct NoAccessDtor { +private: + ~NoAccessDtor(); + friend struct HasAccessDtor; +}; + +struct HasNoAccessDtor { + NoAccessDtor NAD; // expected-note{{copy constructor of 'HasNoAccessDtor' is implicitly deleted because field 'NAD' has an inaccessible destructor}} + HasNoAccessDtor(); + ~HasNoAccessDtor(); +}; +HasNoAccessDtor HNADa; +HasNoAccessDtor HNADb(HNADa); // expected-error{{call to implicitly-deleted copy constructor}} + +struct HasAccessDtor { + NoAccessDtor NAD; +}; +HasAccessDtor HADa; +HasAccessDtor HADb(HADa); + +struct HasNoAccessDtorBase : NoAccessDtor { // expected-note{{copy constructor of 'HasNoAccessDtorBase' is implicitly deleted because base class 'NoAccessDtor' has an inaccessible destructor}} +}; +extern HasNoAccessDtorBase HNADBa; +HasNoAccessDtorBase HNADBb(HNADBa); // expected-error{{implicitly-deleted copy constructor}} + +// -- a non-static data member of rvalue reference type +struct RValue { + int && ri = 1; // expected-note{{copy constructor of 'RValue' is implicitly deleted because field 'ri' is of rvalue reference type 'int &&'}} +}; +RValue RVa; +RValue RVb(RVa); // expected-error{{call to implicitly-deleted copy constructor}} |