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_nothrow_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_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> |
Marshall Clow | e33e03e | 2014-09-02 16:19:38 +0000 | [diff] [blame] | 28 | void test_is_not_nothrow_destructible() |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 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 | |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 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 | |
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 | |
| 54 | union Union {}; |
| 55 | |
| 56 | struct bit_zero |
| 57 | { |
| 58 | int : 0; |
| 59 | }; |
| 60 | |
| 61 | class Abstract |
| 62 | { |
Marshall Clow | 2b44e3d | 2014-07-16 15:51:50 +0000 | [diff] [blame] | 63 | virtual void foo() = 0; |
| 64 | }; |
| 65 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 66 | |
| 67 | int main() |
| 68 | { |
Marshall Clow | e33e03e | 2014-09-02 16:19:38 +0000 | [diff] [blame] | 69 | test_is_not_nothrow_destructible<void>(); |
Marshall Clow | e33e03e | 2014-09-02 16:19:38 +0000 | [diff] [blame] | 70 | test_is_not_nothrow_destructible<char[]>(); |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 71 | test_is_not_nothrow_destructible<char[][3]>(); |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 72 | |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 73 | test_is_nothrow_destructible<int&>(); |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 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]>(); |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 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>(); |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 85 | test_is_nothrow_destructible<bit_zero>(); |
Eric Fiselier | 12c6d9c | 2015-07-18 16:43:58 +0000 | [diff] [blame] | 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>(); |
Marshall Clow | 933afa9 | 2013-07-04 00:10:01 +0000 | [diff] [blame] | 97 | #endif |
Howard Hinnant | 1468b66 | 2010-11-19 22:17:28 +0000 | [diff] [blame] | 98 | } |