ebedffde9a
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@196127 91177308-0d34-0410-b5e6-96231b3b80d8
113 lines
3.9 KiB
C++
113 lines
3.9 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 OuterA2>
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// scoped_allocator_adaptor(OuterA2&& outerAlloc,
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// const InnerAllocs& ...innerAllocs);
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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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A1<int> a3(3);
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A a(a3);
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assert(a.outer_allocator() == A1<int>(3));
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assert(a.inner_allocator() == a);
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assert(A1<int>::copy_called == true);
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assert(A1<int>::move_called == false);
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}
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A1<int>::copy_called = false;
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{
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typedef std::scoped_allocator_adaptor<A1<int>> A;
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A a(A1<int>(3));
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assert(a.outer_allocator() == A1<int>(3));
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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 == true);
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}
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A1<int>::move_called = false;
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{
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typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
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A1<int> a4(4);
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A a(a4, A2<int>(5));
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assert(A1<int>::copy_called == true);
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assert(A1<int>::move_called == false);
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assert(A2<int>::copy_called == true);
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assert(A2<int>::move_called == false);
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assert(a.outer_allocator() == A1<int>(4));
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assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>(A2<int>(5)));
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}
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A1<int>::copy_called = false;
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A1<int>::move_called = false;
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A2<int>::copy_called = false;
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A2<int>::move_called = false;
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{
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typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
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A a(A1<int>(4), A2<int>(5));
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assert(A1<int>::copy_called == false);
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assert(A1<int>::move_called == true);
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assert(A2<int>::copy_called == true);
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assert(A2<int>::move_called == false);
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assert(a.outer_allocator() == A1<int>(4));
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assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>(A2<int>(5)));
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}
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A1<int>::copy_called = false;
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A1<int>::move_called = false;
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A2<int>::copy_called = false;
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A2<int>::move_called = false;
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A1<int>::move_called = false;
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{
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typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
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A1<int> a4(4);
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A a(a4, A2<int>(5), A3<int>(6));
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assert(A1<int>::copy_called == true);
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assert(A1<int>::move_called == false);
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assert(A2<int>::copy_called == true);
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assert(A2<int>::move_called == false);
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assert(A3<int>::copy_called == true);
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assert(A3<int>::move_called == false);
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assert(a.outer_allocator() == A1<int>(4));
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assert((a.inner_allocator() ==
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std::scoped_allocator_adaptor<A2<int>, A3<int>>(A2<int>(5), A3<int>(6))));
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}
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A1<int>::copy_called = false;
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A1<int>::move_called = false;
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A2<int>::copy_called = false;
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A2<int>::move_called = false;
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A3<int>::copy_called = false;
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A3<int>::move_called = false;
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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(A1<int>(4), A2<int>(5), A3<int>(6));
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assert(A1<int>::copy_called == false);
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assert(A1<int>::move_called == true);
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assert(A2<int>::copy_called == true);
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assert(A2<int>::move_called == false);
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assert(A3<int>::copy_called == true);
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assert(A3<int>::move_called == false);
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assert(a.outer_allocator() == A1<int>(4));
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assert((a.inner_allocator() ==
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std::scoped_allocator_adaptor<A2<int>, A3<int>>(A2<int>(5), A3<int>(6))));
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}
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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