Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 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> |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 15 | |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 16 | #include "test_macros.h" |
| 17 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 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> |
Marshall Clow | e33e03e | 2014-09-02 16:19:38 +0000 | [diff] [blame] | 28 | void test_is_not_trivially_destructible() |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 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 | |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 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 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 49 | class Empty |
| 50 | { |
| 51 | }; |
| 52 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 53 | union Union {}; |
| 54 | |
| 55 | struct bit_zero |
| 56 | { |
| 57 | int : 0; |
| 58 | }; |
| 59 | |
| 60 | class Abstract |
| 61 | { |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 62 | virtual void foo() = 0; |
| 63 | }; |
| 64 | |
| 65 | class AbstractDestructor |
| 66 | { |
| 67 | virtual ~AbstractDestructor() = 0; |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | struct A |
| 71 | { |
| 72 | ~A(); |
| 73 | }; |
| 74 | |
| 75 | int main() |
| 76 | { |
Marshall Clow | e33e03e | 2014-09-02 16:19:38 +0000 | [diff] [blame] | 77 | test_is_not_trivially_destructible<void>(); |
| 78 | test_is_not_trivially_destructible<A>(); |
Marshall Clow | e33e03e | 2014-09-02 16:19:38 +0000 | [diff] [blame] | 79 | test_is_not_trivially_destructible<char[]>(); |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 80 | test_is_not_trivially_destructible<VirtualPublicDestructor>(); |
| 81 | test_is_not_trivially_destructible<PurePublicDestructor>(); |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 82 | |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 83 | test_is_trivially_destructible<Abstract>(); |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 84 | test_is_trivially_destructible<Union>(); |
| 85 | test_is_trivially_destructible<Empty>(); |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 86 | test_is_trivially_destructible<int&>(); |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 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]>(); |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 92 | test_is_trivially_destructible<bit_zero>(); |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 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 |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 103 | } |