File: what.pass.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (51 lines) | stat: -rw-r--r-- 1,783 bytes parent folder | download | duplicates (6)
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
//===----------------------------------------------------------------------===//
//
// 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: libcpp-has-no-threads

// LWG 2056 changed the values of future_errc, so if we're using new headers
// with an old library we'll get incorrect messages.
//
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11}}

// <future>

// class future_error

// const char* what() const throw();

#include <future>
#include <cstring>
#include <cassert>

#include "test_macros.h"

int main(int, char**)
{
    {
        std::future_error f(std::make_error_code(std::future_errc::broken_promise));
        LIBCPP_ASSERT(std::strcmp(f.what(), "The associated promise has been destructed prior "
                      "to the associated state becoming ready.") == 0);
    }
    {
        std::future_error f(std::make_error_code(std::future_errc::future_already_retrieved));
        LIBCPP_ASSERT(std::strcmp(f.what(), "The future has already been retrieved from "
                      "the promise or packaged_task.") == 0);
    }
    {
        std::future_error f(std::make_error_code(std::future_errc::promise_already_satisfied));
        LIBCPP_ASSERT(std::strcmp(f.what(), "The state of the promise has already been set.") == 0);
    }
    {
        std::future_error f(std::make_error_code(std::future_errc::no_state));
        LIBCPP_ASSERT(std::strcmp(f.what(), "Operation not permitted on an object without "
                      "an associated state.") == 0);
    }

  return 0;
}