1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 2 3 // FIXME: test with non-std qualifiers 4 5 namespace move { 6 struct Const { 7 Const(const Const&&) = default; // expected-error {{the parameter for an explicitly-defaulted move constructor may not be const}} 8 Const& operator=(const Const&&) = default; // expected-error {{the parameter for an explicitly-defaulted move assignment operator may not be const}} 9 }; 10 11 struct Volatile { 12 Volatile(volatile Volatile&&) = default; // expected-error {{the parameter for an explicitly-defaulted move constructor may not be volatile}} 13 Volatile& operator=(volatile Volatile&&) = default; // expected-error {{the parameter for an explicitly-defaulted move assignment operator may not be volatile}} 14 }; 15 16 struct AssignmentRet1 { 17 AssignmentRet1&& operator=(AssignmentRet1&&) = default; // expected-error {{an explicitly-defaulted move assignment operator must return an unqualified lvalue reference to its class type}} 18 }; 19 20 struct AssignmentRet2 { 21 const AssignmentRet2& operator=(AssignmentRet2&&) = default; // expected-error {{an explicitly-defaulted move assignment operator must return an unqualified lvalue reference to its class type}} 22 }; 23 24 struct ConstAssignment { 25 ConstAssignment& operator=(ConstAssignment&&) const = default; // expected-error {{an explicitly-defaulted move assignment operator may not have 'const', 'constexpr' or 'volatile' qualifiers}} 26 }; 27 } 28 29 namespace copy { 30 struct Volatile { 31 Volatile(const volatile Volatile&) = default; // expected-error {{the parameter for an explicitly-defaulted copy constructor may not be volatile}} 32 Volatile& operator=(const volatile Volatile&) = default; // expected-error {{the parameter for an explicitly-defaulted copy assignment operator may not be volatile}} 33 }; 34 35 struct Const { 36 Const(const Const&) = default; 37 Const& operator=(const Const&) = default; 38 }; 39 40 struct NonConst { 41 NonConst(NonConst&) = default; 42 NonConst& operator=(NonConst&) = default; 43 }; 44 45 struct BadConst { 46 NonConst nc; // makes implicit copy non-const 47 BadConst(const BadConst&) = default; // expected-error {{is const, but}} 48 BadConst& operator=(const BadConst&) = default; // expected-error {{is const, but}} 49 }; 50 51 struct AssignmentRet1 { 52 AssignmentRet1&& operator=(const AssignmentRet1&) = default; // expected-error {{an explicitly-defaulted copy assignment operator must return an unqualified lvalue reference to its class type}} 53 }; 54 55 struct AssignmentRet2 { 56 const AssignmentRet2& operator=(const AssignmentRet2&) = default; // expected-error {{an explicitly-defaulted copy assignment operator must return an unqualified lvalue reference to its class type}} 57 }; 58 59 struct ConstAssignment { 60 ConstAssignment& operator=(const ConstAssignment&) const = default; // expected-error {{an explicitly-defaulted copy assignment operator may not have 'const', 'constexpr' or 'volatile' qualifiers}} 61 }; 62 } 63
