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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <scoped_allocator>
// template <class OuterAlloc, class... InnerAllocs>
// class scoped_allocator_adaptor
// template <class OuterA2>
// scoped_allocator_adaptor(OuterA2&& outerAlloc,
// const InnerAllocs& ...innerAllocs);
#include <scoped_allocator>
#include <cassert>
#include "test_macros.h"
#include "allocators.h"
int main(int, char**) {
{
typedef std::scoped_allocator_adaptor<A1<int>> A;
A1<int> a3(3);
A a(a3);
assert(a.outer_allocator() == A1<int>(3));
assert(a.inner_allocator() == a);
assert(A1<int>::copy_called == true);
assert(A1<int>::move_called == false);
}
A1<int>::copy_called = false;
{
typedef std::scoped_allocator_adaptor<A1<int>> A;
A a(A1<int>(3));
assert(a.outer_allocator() == A1<int>(3));
assert(a.inner_allocator() == a);
assert(A1<int>::copy_called == false);
assert(A1<int>::move_called == true);
}
A1<int>::move_called = false;
{
typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
A1<int> a4(4);
A a(a4, A2<int>(5));
assert(A1<int>::copy_called == true);
assert(A1<int>::move_called == false);
assert(A2<int>::copy_called == true);
assert(A2<int>::move_called == false);
assert(a.outer_allocator() == A1<int>(4));
assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>(A2<int>(5)));
}
A1<int>::copy_called = false;
A1<int>::move_called = false;
A2<int>::copy_called = false;
A2<int>::move_called = false;
{
typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
A a(A1<int>(4), A2<int>(5));
assert(A1<int>::copy_called == false);
assert(A1<int>::move_called == true);
assert(A2<int>::copy_called == true);
assert(A2<int>::move_called == false);
assert(a.outer_allocator() == A1<int>(4));
assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>(A2<int>(5)));
}
A1<int>::copy_called = false;
A1<int>::move_called = false;
A2<int>::copy_called = false;
A2<int>::move_called = false;
A1<int>::move_called = false;
{
typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
A1<int> a4(4);
A a(a4, A2<int>(5), A3<int>(6));
assert(A1<int>::copy_called == true);
assert(A1<int>::move_called == false);
assert(A2<int>::copy_called == true);
assert(A2<int>::move_called == false);
assert(A3<int>::copy_called == true);
assert(A3<int>::move_called == false);
assert(a.outer_allocator() == A1<int>(4));
assert((a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>, A3<int>>(A2<int>(5), A3<int>(6))));
}
A1<int>::copy_called = false;
A1<int>::move_called = false;
A2<int>::copy_called = false;
A2<int>::move_called = false;
A3<int>::copy_called = false;
A3<int>::move_called = false;
{
typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
A a(A1<int>(4), A2<int>(5), A3<int>(6));
assert(A1<int>::copy_called == false);
assert(A1<int>::move_called == true);
assert(A2<int>::copy_called == true);
assert(A2<int>::move_called == false);
assert(A3<int>::copy_called == true);
assert(A3<int>::move_called == false);
assert(a.outer_allocator() == A1<int>(4));
assert((a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>, A3<int>>(A2<int>(5), A3<int>(6))));
}
{
// Test for LWG2782
static_assert(!std::is_convertible<A1<int>, A2<int>>::value, "");
static_assert(
!std::is_convertible< std::scoped_allocator_adaptor<A1<int>>, std::scoped_allocator_adaptor<A2<int>>>::value,
"");
}
{
// Test construction from convertible-to-allocator types (https://github.com/llvm/llvm-project/issues/78754)
typedef std::scoped_allocator_adaptor<A1<int>, A1<int>> A;
A a(A1<char>(4), A1<char>(5));
assert(a.outer_allocator() == A1<int>(4));
assert(a.inner_allocator() == A1<int>(5));
}
return 0;
}
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