File: make_unique.array.pass.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (47 lines) | stat: -rw-r--r-- 1,094 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
//===----------------------------------------------------------------------===//
//
// 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, c++11
#include <memory>
#include <string>
#include <cassert>

#include "test_macros.h"

//    The only way to create an unique_ptr<T[]> is to default construct them.

class foo {
public:
    foo () : val_(3) {}
    int get () const { return val_; }
private:
    int val_;
    };

int main(int, char**)
{
    {
    auto p1 = std::make_unique<int[]>(5);
    for ( int i = 0; i < 5; ++i )
        assert ( p1[i] == 0 );
    }

    {
    auto p2 = std::make_unique<std::string[]>(5);
    for ( int i = 0; i < 5; ++i )
        assert ( p2[i].size () == 0 );
    }

    {
    auto p3 = std::make_unique<foo[]>(7);
    for ( int i = 0; i < 7; ++i )
        assert ( p3[i].get () == 3 );
    }

  return 0;
}