cxx/test/utilities/allocator.adaptor/allocator.adaptor.cnstr/default.pass.cpp
Howard Hinnant a2ccccce89 sync with N3126
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113100 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-05 01:10:45 +00:00

59 lines
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// template <class OuterAlloc, class... InnerAllocs>
// class scoped_allocator_adaptor
// scoped_allocator_adaptor();
#include <scoped_allocator>
#include <cassert>
#include "../allocators.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
typedef std::scoped_allocator_adaptor<A1<int>> A;
A a;
assert(a.outer_allocator() == A1<int>());
assert(a.inner_allocator() == a);
assert(A1<int>::copy_called == false);
assert(A1<int>::move_called == false);
}
{
typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
A a;
assert(a.outer_allocator() == A1<int>());
assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>());
assert(A1<int>::copy_called == false);
assert(A1<int>::move_called == false);
assert(A2<int>::copy_called == false);
assert(A2<int>::move_called == false);
}
{
typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
A a;
assert(a.outer_allocator() == A1<int>());
assert((a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>, A3<int>>()));
assert(A1<int>::copy_called == false);
assert(A1<int>::move_called == false);
assert(A2<int>::copy_called == false);
assert(A2<int>::move_called == false);
assert(A3<int>::copy_called == false);
assert(A3<int>::move_called == false);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}