75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
|
// RUN: %clang_cc1 -std=c++11 -verify %s
|
||
|
|
//
|
||
|
|
// Note: [class.inhctor] was removed by P0136R1. This tests the new behavior
|
||
|
|
// for the wording that used to be there.
|
||
|
|
|
||
|
|
template<int> struct X {};
|
||
|
|
|
||
|
|
// A[n inheriting] constructor [...] has the same access as the corresponding
|
||
|
|
// constructor [in the base class].
|
||
|
|
struct A {
|
||
|
|
public:
|
||
|
|
A(X<0>) {}
|
||
|
|
protected:
|
||
|
|
A(X<1>) {} // expected-note 2{{declared protected here}}
|
||
|
|
private:
|
||
|
|
A(X<2>) {} // expected-note 2{{declared private here}}
|
||
|
|
friend class FA;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct B : A {
|
||
|
|
using A::A;
|
||
|
|
friend class FB;
|
||
|
|
};
|
||
|
|
|
||
|
|
B b0{X<0>{}};
|
||
|
|
B b1{X<1>{}}; // expected-error {{calling a protected constructor}}
|
||
|
|
B b2{X<2>{}}; // expected-error {{calling a private constructor}}
|
||
|
|
|
||
|
|
struct C : B {
|
||
|
|
C(X<0> x) : B(x) {}
|
||
|
|
C(X<1> x) : B(x) {}
|
||
|
|
};
|
||
|
|
|
||
|
|
struct FB {
|
||
|
|
B b0{X<0>{}};
|
||
|
|
B b1{X<1>{}};
|
||
|
|
};
|
||
|
|
|
||
|
|
struct FA : A {
|
||
|
|
using A::A;
|
||
|
|
};
|
||
|
|
FA fa0{X<0>{}};
|
||
|
|
FA fa1{X<1>{}}; // expected-error {{calling a protected constructor}}
|
||
|
|
FA fa2{X<2>{}}; // expected-error {{calling a private constructor}}
|
||
|
|
|
||
|
|
|
||
|
|
// It is deleted if the corresponding constructor [...] is deleted.
|
||
|
|
struct G {
|
||
|
|
G(int) = delete; // expected-note {{'G' has been explicitly marked deleted here}}
|
||
|
|
template<typename T> G(T*) = delete; // expected-note {{'G<const char>' has been explicitly marked deleted here}}
|
||
|
|
};
|
||
|
|
struct H : G {
|
||
|
|
using G::G;
|
||
|
|
};
|
||
|
|
H h1(5); // expected-error {{call to deleted constructor of 'H'}}
|
||
|
|
H h2("foo"); // expected-error {{call to deleted constructor of 'H'}}
|
||
|
|
|
||
|
|
|
||
|
|
// Core defect: It is also deleted if multiple base constructors generate the
|
||
|
|
// same signature.
|
||
|
|
namespace DRnnnn {
|
||
|
|
struct A {
|
||
|
|
constexpr A(int, float = 0) {}
|
||
|
|
explicit A(int, int = 0) {} // expected-note {{candidate}}
|
||
|
|
|
||
|
|
A(int, int, int = 0) = delete; // expected-note {{deleted}}
|
||
|
|
};
|
||
|
|
struct B : A {
|
||
|
|
using A::A; // expected-note 2{{inherited here}}
|
||
|
|
};
|
||
|
|
|
||
|
|
constexpr B b0(0, 0.0f); // ok, constexpr
|
||
|
|
B b1(0, 1); // expected-error {{call to constructor of 'DRnnnn::B' is ambiguous}}
|
||
|
|
}
|