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_destructible 13 14 #include <type_traits> 15 16 template <class T> 17 void test_is_destructible() 18 { 19 static_assert( std::is_destructible<T>::value, ""); 20 static_assert( std::is_destructible<const T>::value, ""); 21 static_assert( std::is_destructible<volatile T>::value, ""); 22 static_assert( std::is_destructible<const volatile T>::value, ""); 23 } 24 25 template <class T> 26 void test_is_not_destructible() 27 { 28 static_assert(!std::is_destructible<T>::value, ""); 29 static_assert(!std::is_destructible<const T>::value, ""); 30 static_assert(!std::is_destructible<volatile T>::value, ""); 31 static_assert(!std::is_destructible<const volatile T>::value, ""); 32 } 33 34 class Empty 35 { 36 }; 37 38 class NotEmpty 39 { 40 virtual ~NotEmpty(); 41 }; 42 43 union Union {}; 44 45 struct bit_zero 46 { 47 int : 0; 48 }; 49 50 class Abstract 51 { 52 virtual ~Abstract() = 0; 53 }; 54 55 struct A 56 { 57 ~A(); 58 }; 59 60 typedef void (Function) (); 61 62 int main() 63 { 64 test_is_destructible<A>(); 65 test_is_destructible<int&>(); 66 test_is_destructible<Union>(); 67 test_is_destructible<Empty>(); 68 test_is_destructible<int>(); 69 test_is_destructible<double>(); 70 test_is_destructible<int*>(); 71 test_is_destructible<const int*>(); 72 test_is_destructible<char[3]>(); 73 test_is_destructible<bit_zero>(); 74 test_is_destructible<int[3]>(); 75 76 test_is_not_destructible<int[]>(); 77 test_is_not_destructible<void>(); 78 test_is_not_destructible<Abstract>(); 79 #if __has_feature(cxx_access_control_sfinae) 80 test_is_not_destructible<NotEmpty>(); 81 #endif 82 test_is_not_destructible<Function>(); 83 } 84
