File: char.bad.fail.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (56 lines) | stat: -rw-r--r-- 1,832 bytes parent folder | download | duplicates (5)
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
48
49
50
51
52
53
54
55
56
//===----------------------------------------------------------------------===//
//
// 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: !stdlib=libc++ && (c++03 || c++11 || c++14)

// <string_view>
//   ... manipulating sequences of any non-array trivial standard-layout types.

#include <string>
#include "../basic.string/test_traits.h"

struct NotTrivial {
    NotTrivial() : value(3) {}
    int value;
};

struct NotStandardLayout {
public:
    NotStandardLayout() : one(1), two(2) {}
    int sum() const { return one + two; } // silences "unused field 'two' warning"
    int one;
private:
    int two;
};

int main(int, char**)
{
    {
//  array
    typedef char C[3];
    static_assert(std::is_array<C>::value, "");
    std::basic_string_view<C, test_traits<C> > sv;
//  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must not be an array}}
    }

    {
//  not trivial
    static_assert(!std::is_trivial<NotTrivial>::value, "");
    std::basic_string_view<NotTrivial, test_traits<NotTrivial> > sv;
//  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must be trivial}}
    }

    {
//  not standard layout
    static_assert(!std::is_standard_layout<NotStandardLayout>::value, "");
    std::basic_string_view<NotStandardLayout, test_traits<NotStandardLayout> > sv;
//  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must be standard-layout}}
    }

  return 0;
}