| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // type_traits |
| |
| // is_nothrow_copy_constructible |
| |
| #include <type_traits> |
| #include "test_macros.h" |
| |
| template <class T> |
| void test_is_nothrow_copy_constructible() |
| { |
| static_assert( std::is_nothrow_copy_constructible<T>::value, ""); |
| static_assert( std::is_nothrow_copy_constructible<const T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert( std::is_nothrow_copy_constructible_v<T>, ""); |
| static_assert( std::is_nothrow_copy_constructible_v<const T>, ""); |
| #endif |
| } |
| |
| template <class T> |
| void test_has_not_nothrow_copy_constructor() |
| { |
| static_assert(!std::is_nothrow_copy_constructible<T>::value, ""); |
| static_assert(!std::is_nothrow_copy_constructible<const T>::value, ""); |
| static_assert(!std::is_nothrow_copy_constructible<volatile T>::value, ""); |
| static_assert(!std::is_nothrow_copy_constructible<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert(!std::is_nothrow_copy_constructible_v<T>, ""); |
| static_assert(!std::is_nothrow_copy_constructible_v<const T>, ""); |
| static_assert(!std::is_nothrow_copy_constructible_v<volatile T>, ""); |
| static_assert(!std::is_nothrow_copy_constructible_v<const volatile T>, ""); |
| #endif |
| } |
| |
| class Empty |
| { |
| }; |
| |
| union Union {}; |
| |
| struct bit_zero |
| { |
| int : 0; |
| }; |
| |
| struct A |
| { |
| A(const A&); |
| }; |
| |
| int main() |
| { |
| test_has_not_nothrow_copy_constructor<void>(); |
| test_has_not_nothrow_copy_constructor<A>(); |
| |
| test_is_nothrow_copy_constructible<int&>(); |
| test_is_nothrow_copy_constructible<Union>(); |
| test_is_nothrow_copy_constructible<Empty>(); |
| test_is_nothrow_copy_constructible<int>(); |
| test_is_nothrow_copy_constructible<double>(); |
| test_is_nothrow_copy_constructible<int*>(); |
| test_is_nothrow_copy_constructible<const int*>(); |
| test_is_nothrow_copy_constructible<bit_zero>(); |
| } |