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