| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <memory> |
| |
| // unique_ptr |
| |
| // Test unique_ptr converting move ctor |
| |
| #include <memory> |
| #include <cassert> |
| |
| #include "deleter_types.h" |
| #include "unique_ptr_test_helper.h" |
| |
| template <int ID = 0> |
| struct GenericDeleter { |
| void operator()(void*) const {} |
| }; |
| |
| template <int ID = 0> |
| struct GenericConvertingDeleter { |
| template <int OID> |
| GenericConvertingDeleter(GenericConvertingDeleter<OID>) {} |
| void operator()(void*) const {} |
| }; |
| |
| void test_sfinae() { |
| { // Disallow copying |
| using U1 = std::unique_ptr<A[], GenericConvertingDeleter<0> >; |
| using U2 = std::unique_ptr<A[], GenericConvertingDeleter<1> >; |
| static_assert(std::is_constructible<U1, U2&&>::value, ""); |
| static_assert(!std::is_constructible<U1, U2&>::value, ""); |
| static_assert(!std::is_constructible<U1, const U2&>::value, ""); |
| static_assert(!std::is_constructible<U1, const U2&&>::value, ""); |
| } |
| { // Disallow illegal qualified conversions |
| using U1 = std::unique_ptr<const A[]>; |
| using U2 = std::unique_ptr<A[]>; |
| static_assert(std::is_constructible<U1, U2&&>::value, ""); |
| static_assert(!std::is_constructible<U2, U1&&>::value, ""); |
| } |
| { // Disallow base-to-derived conversions. |
| using UA = std::unique_ptr<A[]>; |
| using UB = std::unique_ptr<B[]>; |
| static_assert(!std::is_constructible<UA, UB&&>::value, ""); |
| } |
| { // Disallow base-to-derived conversions. |
| using UA = std::unique_ptr<A[], GenericConvertingDeleter<0> >; |
| using UB = std::unique_ptr<B[], GenericConvertingDeleter<1> >; |
| static_assert(!std::is_constructible<UA, UB&&>::value, ""); |
| } |
| { // Disallow invalid deleter initialization |
| using U1 = std::unique_ptr<A[], GenericDeleter<0> >; |
| using U2 = std::unique_ptr<A[], GenericDeleter<1> >; |
| static_assert(!std::is_constructible<U1, U2&&>::value, ""); |
| } |
| { // Disallow reference deleters with different qualifiers |
| using U1 = std::unique_ptr<A[], Deleter<A[]>&>; |
| using U2 = std::unique_ptr<A[], const Deleter<A[]>&>; |
| static_assert(!std::is_constructible<U1, U2&&>::value, ""); |
| static_assert(!std::is_constructible<U2, U1&&>::value, ""); |
| } |
| { |
| using U1 = std::unique_ptr<A[]>; |
| using U2 = std::unique_ptr<A>; |
| static_assert(!std::is_constructible<U1, U2&&>::value, ""); |
| static_assert(!std::is_constructible<U2, U1&&>::value, ""); |
| } |
| } |
| |
| |
| int main() { |
| test_sfinae(); |
| } |