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
10#include <memory>
11#include <string>
12#include <cassert>
13
14#include "test_macros.h"
15
16// The only way to create an unique_ptr<T[]> is to default construct them.
17
18class foo {
19public:
20 TEST_CONSTEXPR_CXX23 foo() : val_(3) {}
21 TEST_CONSTEXPR_CXX23 int get() const { return val_; }
22
23private:
24 int val_;
25};
26
27TEST_CONSTEXPR_CXX23 bool test() {
28 {
29 auto p1 = std::make_unique<int[]>(num: 5);
30 for (int i = 0; i < 5; ++i)
31 assert(p1[i] == 0);
32 }
33
34 {
35 auto p2 = std::make_unique<std::string[]>(num: 5);
36 for (int i = 0; i < 5; ++i)
37 assert(p2[i].size() == 0);
38 }
39
40 {
41 auto p3 = std::make_unique<foo[]>(num: 7);
42 for (int i = 0; i < 7; ++i)
43 assert(p3[i].get() == 3);
44 }
45
46 return true;
47}
48
49int main(int, char**) {
50 test();
51#if TEST_STD_VER >= 23
52 static_assert(test());
53#endif
54
55 return 0;
56}
57

source code of libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.create/make_unique.array.pass.cpp