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_trivially_copy_constructible 13 14 #include <type_traits> 15 16 template <class T> 17 void test_is_trivially_copy_constructible() 18 { 19 static_assert( std::is_trivially_copy_constructible<T>::value, ""); 20 static_assert( std::is_trivially_copy_constructible<const T>::value, ""); 21 } 22 23 template <class T> 24 void test_has_not_trivial_copy_constructor() 25 { 26 static_assert(!std::is_trivially_copy_constructible<T>::value, ""); 27 static_assert(!std::is_trivially_copy_constructible<const T>::value, ""); 28 } 29 30 class Empty 31 { 32 }; 33 34 class NotEmpty 35 { 36 public: 37 virtual ~NotEmpty(); 38 }; 39 40 union Union {}; 41 42 struct bit_zero 43 { 44 int : 0; 45 }; 46 47 class Abstract 48 { 49 public: 50 virtual ~Abstract() = 0; 51 }; 52 53 struct A 54 { 55 A(const A&); 56 }; 57 58 int main() 59 { 60 test_has_not_trivial_copy_constructor<void>(); 61 test_has_not_trivial_copy_constructor<A>(); 62 test_has_not_trivial_copy_constructor<Abstract>(); 63 test_has_not_trivial_copy_constructor<NotEmpty>(); 64 65 test_is_trivially_copy_constructible<int&>(); 66 test_is_trivially_copy_constructible<Union>(); 67 test_is_trivially_copy_constructible<Empty>(); 68 test_is_trivially_copy_constructible<int>(); 69 test_is_trivially_copy_constructible<double>(); 70 test_is_trivially_copy_constructible<int*>(); 71 test_is_trivially_copy_constructible<const int*>(); 72 test_is_trivially_copy_constructible<bit_zero>(); 73 } 74
