File: lwg3629.pass.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 (40 lines) | stat: -rw-r--r-- 1,050 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
 
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <system_error>

// class error_code

// template <ErrorCodeEnum E> error_code(E e);

// Regression test for https://github.com/llvm/llvm-project/issues/57614

int make_error_code; // It's important that this comes before <system_error>

#include <system_error>
#include <cassert>
#include <type_traits>

namespace User {
  enum Err {};

  std::error_code make_error_code(Err) { return std::error_code(42, std::generic_category()); }
}

namespace std {
  template <>
  struct is_error_code_enum<User::Err> : true_type {};
}

int main(int, char**) {
  std::error_code e((User::Err()));
  assert(e.value() == 42);
  assert(e.category() == std::generic_category());

  return 0;
}