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, c++11, c++14, c++17, c++20
10
11// <memory>
12
13// [inout.ptr.t], class template inout_ptr_t
14// template<class Smart, class Pointer, class... Args>
15// class inout_ptr_t; // since c++23
16
17// explicit inout_ptr_t(Smart&, Args...);
18
19#include <cassert>
20#include <memory>
21
22#include "test_convertible.h"
23#include "../types.h"
24
25int main(int, char**) {
26 {
27 std::unique_ptr<int> uPtr;
28
29 std::inout_ptr_t<std::unique_ptr<int>, int*>{uPtr};
30
31 static_assert(
32 !test_convertible<std::inout_ptr_t<std::unique_ptr<int>, int*>>(), "This constructor must be explicit");
33
34 // Test the state of the pointer after construction. Complete tests are available in inout_ptr.general.pass.cpp.
35 assert(uPtr == nullptr);
36 }
37
38 {
39 auto deleter = [](auto* p) { delete p; };
40 std::unique_ptr<int, decltype(deleter)> uPtr;
41
42 std::inout_ptr_t<std::unique_ptr<int, decltype(deleter)>, int*>{uPtr};
43
44 static_assert(!test_convertible<std::inout_ptr_t<std::unique_ptr<int, decltype(deleter)>, int*>>(),
45 "This constructor must be explicit");
46
47 // Test the state of the pointer after construction. Complete tests are available in inout_ptr.general.pass.cpp.
48 assert(uPtr == nullptr);
49 }
50
51 {
52 std::unique_ptr<int, MoveOnlyDeleter<int>> uPtr;
53
54 std::inout_ptr_t<decltype(uPtr), int*, MoveOnlyDeleter<int>>{uPtr, MoveOnlyDeleter<int>{}};
55
56 // Test the state of the pointer after construction. Complete tests are available in inout_ptr.general.pass.cpp.
57 assert(uPtr == nullptr);
58 }
59
60 return 0;
61}
62

source code of libcxx/test/std/utilities/smartptr/adapt/inout_ptr/inout_ptr_t.ctor.pass.cpp