1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03
10
11// <memory>
12
13// template <class OuterAlloc, class... InnerAllocs>
14// class scoped_allocator_adaptor
15
16// template <class OuterA2>
17// scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2,
18// InnerAllocs...>& other);
19
20#include <scoped_allocator>
21#include <cassert>
22
23#include "test_macros.h"
24#include "allocators.h"
25
26int main(int, char**) {
27 {
28 typedef std::scoped_allocator_adaptor<A1<double>> B;
29 typedef std::scoped_allocator_adaptor<A1<int>> A;
30 B a1(A1<int>(3));
31 A1<int>::copy_called = false;
32 A1<int>::move_called = false;
33 A a2 = a1;
34 assert(A1<int>::copy_called == true);
35 assert(a2 == a1);
36 }
37 {
38 typedef std::scoped_allocator_adaptor<A1<double>, A2<int>> B;
39 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
40 B a1(A1<int>(4), A2<int>(5));
41 A1<int>::copy_called = false;
42 A1<int>::move_called = false;
43 A2<int>::copy_called = false;
44 A2<int>::move_called = false;
45 A a2 = a1;
46 assert(A1<int>::copy_called == true);
47 assert(A2<int>::copy_called == true);
48 assert(a2 == a1);
49 }
50 {
51 typedef std::scoped_allocator_adaptor<A1<double>, A2<int>, A3<int>> B;
52 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
53 B a1(A1<int>(4), A2<int>(5), A3<int>(6));
54 A1<int>::copy_called = false;
55 A1<int>::move_called = false;
56 A2<int>::copy_called = false;
57 A2<int>::move_called = false;
58 A3<int>::copy_called = false;
59 A3<int>::move_called = false;
60 A a2 = a1;
61 assert(A1<int>::copy_called == true);
62 assert(A2<int>::copy_called == true);
63 assert(A3<int>::copy_called == true);
64 assert(a2 == a1);
65 }
66
67 return 0;
68}
69

source code of libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.cnstr/converting_copy.pass.cpp