| //===----------------------------------------------------------------------===// |
| // |
| // 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_default_constructible |
| |
| #include <type_traits> |
| |
| template <class T> |
| void test_is_nothrow_default_constructible() |
| { |
| static_assert( std::is_nothrow_default_constructible<T>::value, ""); |
| static_assert( std::is_nothrow_default_constructible<const T>::value, ""); |
| static_assert( std::is_nothrow_default_constructible<volatile T>::value, ""); |
| static_assert( std::is_nothrow_default_constructible<const volatile T>::value, ""); |
| } |
| |
| template <class T> |
| void test_has_not_nothrow_default_constructor() |
| { |
| static_assert(!std::is_nothrow_default_constructible<T>::value, ""); |
| static_assert(!std::is_nothrow_default_constructible<const T>::value, ""); |
| static_assert(!std::is_nothrow_default_constructible<volatile T>::value, ""); |
| static_assert(!std::is_nothrow_default_constructible<const volatile T>::value, ""); |
| } |
| |
| class Empty |
| { |
| }; |
| |
| union Union {}; |
| |
| struct bit_zero |
| { |
| int : 0; |
| }; |
| |
| struct A |
| { |
| A(); |
| }; |
| |
| int main() |
| { |
| test_has_not_nothrow_default_constructor<void>(); |
| test_has_not_nothrow_default_constructor<int&>(); |
| test_has_not_nothrow_default_constructor<A>(); |
| |
| test_is_nothrow_default_constructible<Union>(); |
| test_is_nothrow_default_constructible<Empty>(); |
| test_is_nothrow_default_constructible<int>(); |
| test_is_nothrow_default_constructible<double>(); |
| test_is_nothrow_default_constructible<int*>(); |
| test_is_nothrow_default_constructible<const int*>(); |
| test_is_nothrow_default_constructible<char[3]>(); |
| test_is_nothrow_default_constructible<bit_zero>(); |
| } |