59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
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//===----------------------------------------------------------------------===//
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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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// scoped_allocator_adaptor();
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#include <scoped_allocator>
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#include <cassert>
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#include "../allocators.h"
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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<int>> A;
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A a;
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assert(a.outer_allocator() == A1<int>());
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assert(a.inner_allocator() == a);
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assert(A1<int>::copy_called == false);
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assert(A1<int>::move_called == false);
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}
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{
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typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
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A a;
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assert(a.outer_allocator() == A1<int>());
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assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>());
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assert(A1<int>::copy_called == false);
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assert(A1<int>::move_called == false);
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assert(A2<int>::copy_called == false);
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assert(A2<int>::move_called == false);
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}
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{
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typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
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A a;
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assert(a.outer_allocator() == A1<int>());
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assert((a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>, A3<int>>()));
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assert(A1<int>::copy_called == false);
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assert(A1<int>::move_called == false);
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assert(A2<int>::copy_called == false);
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assert(A2<int>::move_called == false);
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assert(A3<int>::copy_called == false);
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assert(A3<int>::move_called == false);
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}
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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