| //===----------------------------------------------------------------------===// |
| // |
| // 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_assignable |
| |
| #include <type_traits> |
| |
| template <class T, bool Result> |
| void test_has_nothrow_assign() |
| { |
| static_assert(std::is_nothrow_copy_assignable<T>::value == Result, ""); |
| } |
| |
| class Empty |
| { |
| }; |
| |
| struct NotEmpty |
| { |
| virtual ~NotEmpty(); |
| }; |
| |
| union Union {}; |
| |
| struct bit_zero |
| { |
| int : 0; |
| }; |
| |
| struct A |
| { |
| A& operator=(const A&); |
| }; |
| |
| int main() |
| { |
| test_has_nothrow_assign<const int, false>(); |
| test_has_nothrow_assign<void, false>(); |
| test_has_nothrow_assign<A, false>(); |
| test_has_nothrow_assign<int&, true>(); |
| |
| test_has_nothrow_assign<Union, true>(); |
| test_has_nothrow_assign<Empty, true>(); |
| test_has_nothrow_assign<int, true>(); |
| test_has_nothrow_assign<double, true>(); |
| test_has_nothrow_assign<int*, true>(); |
| test_has_nothrow_assign<const int*, true>(); |
| test_has_nothrow_assign<NotEmpty, true>(); |
| test_has_nothrow_assign<bit_zero, true>(); |
| } |