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