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_destructible 13 14 #include <type_traits> 15 16 #include "test_macros.h" 17 18 template <class T> 19 void test_is_trivially_destructible() 20 { 21 static_assert( std::is_trivially_destructible<T>::value, ""); 22 static_assert( std::is_trivially_destructible<const T>::value, ""); 23 static_assert( std::is_trivially_destructible<volatile T>::value, ""); 24 static_assert( std::is_trivially_destructible<const volatile T>::value, ""); 25 } 26 27 template <class T> 28 void test_is_not_trivially_destructible() 29 { 30 static_assert(!std::is_trivially_destructible<T>::value, ""); 31 static_assert(!std::is_trivially_destructible<const T>::value, ""); 32 static_assert(!std::is_trivially_destructible<volatile T>::value, ""); 33 static_assert(!std::is_trivially_destructible<const volatile T>::value, ""); 34 } 35 36 struct PublicDestructor { public: ~PublicDestructor() {}}; 37 struct ProtectedDestructor { protected: ~ProtectedDestructor() {}}; 38 struct PrivateDestructor { private: ~PrivateDestructor() {}}; 39 40 struct VirtualPublicDestructor { public: virtual ~VirtualPublicDestructor() {}}; 41 struct VirtualProtectedDestructor { protected: virtual ~VirtualProtectedDestructor() {}}; 42 struct VirtualPrivateDestructor { private: virtual ~VirtualPrivateDestructor() {}}; 43 44 struct PurePublicDestructor { public: virtual ~PurePublicDestructor() = 0; }; 45 struct PureProtectedDestructor { protected: virtual ~PureProtectedDestructor() = 0; }; 46 struct PurePrivateDestructor { private: virtual ~PurePrivateDestructor() = 0; }; 47 48 49 class Empty 50 { 51 }; 52 53 union Union {}; 54 55 struct bit_zero 56 { 57 int : 0; 58 }; 59 60 class Abstract 61 { 62 virtual void foo() = 0; 63 }; 64 65 class AbstractDestructor 66 { 67 virtual ~AbstractDestructor() = 0; 68 }; 69 70 struct A 71 { 72 ~A(); 73 }; 74 75 int main() 76 { 77 test_is_not_trivially_destructible<void>(); 78 test_is_not_trivially_destructible<A>(); 79 test_is_not_trivially_destructible<char[]>(); 80 test_is_not_trivially_destructible<VirtualPublicDestructor>(); 81 test_is_not_trivially_destructible<PurePublicDestructor>(); 82 83 test_is_trivially_destructible<Abstract>(); 84 test_is_trivially_destructible<Union>(); 85 test_is_trivially_destructible<Empty>(); 86 test_is_trivially_destructible<int&>(); 87 test_is_trivially_destructible<int>(); 88 test_is_trivially_destructible<double>(); 89 test_is_trivially_destructible<int*>(); 90 test_is_trivially_destructible<const int*>(); 91 test_is_trivially_destructible<char[3]>(); 92 test_is_trivially_destructible<bit_zero>(); 93 94 #if TEST_STD_VER >= 11 95 // requires access control sfinae 96 test_is_not_trivially_destructible<ProtectedDestructor>(); 97 test_is_not_trivially_destructible<PrivateDestructor>(); 98 test_is_not_trivially_destructible<VirtualProtectedDestructor>(); 99 test_is_not_trivially_destructible<VirtualPrivateDestructor>(); 100 test_is_not_trivially_destructible<PureProtectedDestructor>(); 101 test_is_not_trivially_destructible<PurePrivateDestructor>(); 102 #endif 103 } 104
