| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <memory> |
| |
| // template <class OuterAlloc, class... InnerAllocs> |
| // class scoped_allocator_adaptor |
| |
| // template <class T> void destroy(T* p); |
| |
| #include <scoped_allocator> |
| #include <cassert> |
| #include <string> |
| |
| #include "../allocators.h" |
| |
| struct B |
| { |
| static bool constructed; |
| |
| B() {constructed = true;} |
| ~B() {constructed = false;} |
| }; |
| |
| bool B::constructed = false; |
| |
| int main() |
| { |
| #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| |
| { |
| typedef std::scoped_allocator_adaptor<A1<B>> A; |
| A a; |
| char buf[100]; |
| typedef B S; |
| S* s = (S*)buf; |
| assert(!S::constructed); |
| a.construct(s); |
| assert(S::constructed); |
| a.destroy(s); |
| assert(!S::constructed); |
| } |
| |
| { |
| typedef std::scoped_allocator_adaptor<A3<B>, A1<B>> A; |
| A a; |
| char buf[100]; |
| typedef B S; |
| S* s = (S*)buf; |
| assert(!S::constructed); |
| assert(!A3<S>::constructed); |
| assert(!A3<S>::destroy_called); |
| a.construct(s); |
| assert(S::constructed); |
| assert(A3<S>::constructed); |
| assert(!A3<S>::destroy_called); |
| a.destroy(s); |
| assert(!S::constructed); |
| assert(A3<S>::constructed); |
| assert(A3<S>::destroy_called); |
| } |
| |
| #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| } |