63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
|
// RUN: %clang_cc1 -std=c++11 %s -verify
|
||
|
|
// expected-no-diagnostics
|
||
|
|
|
||
|
|
// C++98 [class.copy]p10 / C++11 [class.copy]p18.
|
||
|
|
|
||
|
|
// The implicitly-declared copy assignment operator for a class X will have the form
|
||
|
|
// X& X::operator=(const X&)
|
||
|
|
// if [every direct subobject] has a copy assignment operator whose first parameter is
|
||
|
|
// of type 'const volatile[opt] T &' or 'T'. Otherwise, it will have the form
|
||
|
|
// X &X::operator=(X&)
|
||
|
|
|
||
|
|
struct ConstCopy {
|
||
|
|
ConstCopy &operator=(const ConstCopy &);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct NonConstCopy {
|
||
|
|
NonConstCopy &operator=(NonConstCopy &);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct DeletedConstCopy {
|
||
|
|
DeletedConstCopy &operator=(const DeletedConstCopy &) = delete;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct DeletedNonConstCopy {
|
||
|
|
DeletedNonConstCopy &operator=(DeletedNonConstCopy &) = delete;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ImplicitlyDeletedConstCopy {
|
||
|
|
ImplicitlyDeletedConstCopy &operator=(ImplicitlyDeletedConstCopy &&);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ByValueCopy {
|
||
|
|
ByValueCopy &operator=(ByValueCopy);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct AmbiguousConstCopy {
|
||
|
|
AmbiguousConstCopy &operator=(const AmbiguousConstCopy&);
|
||
|
|
AmbiguousConstCopy &operator=(AmbiguousConstCopy);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
struct A : ConstCopy {};
|
||
|
|
struct B : NonConstCopy { ConstCopy a; };
|
||
|
|
struct C : ConstCopy { NonConstCopy a; };
|
||
|
|
struct D : DeletedConstCopy {};
|
||
|
|
struct E : DeletedNonConstCopy {};
|
||
|
|
struct F { ImplicitlyDeletedConstCopy a; };
|
||
|
|
struct G : virtual B {};
|
||
|
|
struct H : ByValueCopy {};
|
||
|
|
struct I : AmbiguousConstCopy {};
|
||
|
|
|
||
|
|
struct Test {
|
||
|
|
friend A &A::operator=(const A &);
|
||
|
|
friend B &B::operator=(B &);
|
||
|
|
friend C &C::operator=(C &);
|
||
|
|
friend D &D::operator=(const D &);
|
||
|
|
friend E &E::operator=(E &);
|
||
|
|
friend F &F::operator=(const F &);
|
||
|
|
friend G &G::operator=(G &);
|
||
|
|
friend H &H::operator=(const H &);
|
||
|
|
friend I &I::operator=(const I &);
|
||
|
|
};
|