llvm-project/clang/test/SemaCXX/cxx0x-cursory-default-delet...

78 lines
3.0 KiB
C++

// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
struct non_copiable {
non_copiable(const non_copiable&) = delete; // expected-note {{marked deleted here}}
non_copiable& operator = (const non_copiable&) = delete; // expected-note {{explicitly deleted}}
non_copiable() = default;
};
struct non_const_copy {
non_const_copy(non_const_copy&);
non_const_copy& operator = (non_const_copy&) &;
non_const_copy& operator = (non_const_copy&) &&;
non_const_copy() = default; // expected-note {{not viable}}
};
non_const_copy::non_const_copy(non_const_copy&) = default; // expected-note {{not viable}}
non_const_copy& non_const_copy::operator = (non_const_copy&) & = default; // expected-note {{not viable}}
non_const_copy& non_const_copy::operator = (non_const_copy&) && = default; // expected-note {{not viable}}
void fn1 () {
non_copiable nc;
non_copiable nc2 = nc; // expected-error {{deleted constructor}}
nc = nc; // expected-error {{deleted operator}}
non_const_copy ncc;
non_const_copy ncc2 = ncc;
ncc = ncc2;
const non_const_copy cncc;
non_const_copy ncc3 = cncc; // expected-error {{no matching}}
ncc = cncc; // expected-error {{no viable overloaded}}
};
struct non_const_derived : non_const_copy {
non_const_derived(const non_const_derived&) = default; // expected-error {{requires it to be non-const}}
non_const_derived& operator =(non_const_derived&) = default;
};
struct bad_decls {
bad_decls(volatile bad_decls&) = default; // expected-error {{may not be volatile}} expected-error {{must be defaulted outside the class}}
bad_decls&& operator = (bad_decls) = default; // expected-error {{lvalue reference}} expected-error {{must return 'bad_decls &'}}
bad_decls& operator = (volatile bad_decls&) = default; // expected-error {{may not be volatile}} expected-error {{must be defaulted outside the class}}
bad_decls& operator = (const bad_decls&) const = default; // expected-error {{may not have 'const', 'constexpr' or 'volatile' qualifiers}}
};
struct A {}; struct B {};
struct except_spec_a {
virtual ~except_spec_a() throw(A);
except_spec_a() throw(A);
};
struct except_spec_b {
virtual ~except_spec_b() throw(B);
except_spec_b() throw(B);
};
struct except_spec_d_good : except_spec_a, except_spec_b {
~except_spec_d_good();
};
except_spec_d_good::~except_spec_d_good() = default;
// FIXME: This should error in the virtual override check.
// It doesn't because we generate the implicit specification later than
// appropriate.
struct except_spec_d_bad : except_spec_a, except_spec_b {
~except_spec_d_bad() = default;
};
// FIXME: This should error because the exceptions spec doesn't match.
struct except_spec_d_mismatch : except_spec_a, except_spec_b {
except_spec_d_mismatch() throw(A) = default;
};
struct except_spec_d_match : except_spec_a, except_spec_b {
except_spec_d_match() throw(A, B) = default;
};
// gcc-compatibility: allow attributes on default definitions
// (but not normal definitions)
struct S { S(); };
S::S() __attribute((pure)) = default;