1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// type_traits 11 12// is_nothrow_copy_assignable 13 14#include <type_traits> 15 16template <class T> 17void test_has_nothrow_assign() 18{ 19 static_assert( std::is_nothrow_copy_assignable<T>::value, ""); 20} 21 22template <class T> 23void test_has_not_nothrow_assign() 24{ 25 static_assert(!std::is_nothrow_copy_assignable<T>::value, ""); 26} 27 28class Empty 29{ 30}; 31 32struct NotEmpty 33{ 34 virtual ~NotEmpty(); 35}; 36 37union Union {}; 38 39struct bit_zero 40{ 41 int : 0; 42}; 43 44struct A 45{ 46 A& operator=(const A&); 47}; 48 49int main() 50{ 51 test_has_nothrow_assign<int&>(); 52 test_has_nothrow_assign<Union>(); 53 test_has_nothrow_assign<Empty>(); 54 test_has_nothrow_assign<int>(); 55 test_has_nothrow_assign<double>(); 56 test_has_nothrow_assign<int*>(); 57 test_has_nothrow_assign<const int*>(); 58 test_has_nothrow_assign<NotEmpty>(); 59 test_has_nothrow_assign<bit_zero>(); 60 61 test_has_not_nothrow_assign<const int>(); 62 test_has_not_nothrow_assign<void>(); 63 test_has_not_nothrow_assign<A>(); 64 65} 66