Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <memory> |
| 11 | |
| 12 | // template <class OuterAlloc, class... InnerAllocs> |
| 13 | // class scoped_allocator_adaptor |
| 14 | |
| 15 | // template <class T> void destroy(T* p); |
| 16 | |
Howard Hinnant | e92c3d7 | 2010-08-19 18:39:17 +0000 | [diff] [blame] | 17 | #include <scoped_allocator> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 18 | #include <cassert> |
| 19 | #include <string> |
| 20 | |
| 21 | #include "../allocators.h" |
| 22 | |
| 23 | struct B |
| 24 | { |
| 25 | static bool constructed; |
| 26 | |
| 27 | B() {constructed = true;} |
| 28 | ~B() {constructed = false;} |
| 29 | }; |
| 30 | |
| 31 | bool B::constructed = false; |
| 32 | |
| 33 | int main() |
| 34 | { |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame^] | 35 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 36 | |
| 37 | { |
| 38 | typedef std::scoped_allocator_adaptor<A1<B>> A; |
| 39 | A a; |
| 40 | char buf[100]; |
| 41 | typedef B S; |
| 42 | S* s = (S*)buf; |
| 43 | assert(!S::constructed); |
| 44 | a.construct(s); |
| 45 | assert(S::constructed); |
| 46 | a.destroy(s); |
| 47 | assert(!S::constructed); |
| 48 | } |
| 49 | |
| 50 | { |
| 51 | typedef std::scoped_allocator_adaptor<A3<B>, A1<B>> A; |
| 52 | A a; |
| 53 | char buf[100]; |
| 54 | typedef B S; |
| 55 | S* s = (S*)buf; |
| 56 | assert(!S::constructed); |
| 57 | assert(!A3<S>::constructed); |
| 58 | assert(!A3<S>::destroy_called); |
| 59 | a.construct(s); |
| 60 | assert(S::constructed); |
| 61 | assert(A3<S>::constructed); |
| 62 | assert(!A3<S>::destroy_called); |
| 63 | a.destroy(s); |
| 64 | assert(!S::constructed); |
| 65 | assert(A3<S>::constructed); |
| 66 | assert(A3<S>::destroy_called); |
| 67 | } |
| 68 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame^] | 69 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 70 | } |