File: assert.back.pass.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (37 lines) | stat: -rw-r--r-- 1,261 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
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// REQUIRES: has-unix-headers
// UNSUPPORTED: c++03
// UNSUPPORTED: libcpp-hardening-mode=none
// XFAIL: libcpp-hardening-mode=debug && availability-verbose_abort-missing

// test that array<T, 0>::back() triggers an assertion

#include <array>

#include "check_assertion.h"

int main(int, char**) {
  {
    typedef std::array<int, 0> C;
    C c         = {};
    C const& cc = c;
    TEST_LIBCPP_ASSERT_FAILURE(c.back(), "cannot call array<T, 0>::back() on a zero-sized array");
    TEST_LIBCPP_ASSERT_FAILURE(cc.back(), "cannot call array<T, 0>::back() on a zero-sized array");
  }
  {
    typedef std::array<const int, 0> C;
    C c         = {{}};
    C const& cc = c;
    TEST_LIBCPP_ASSERT_FAILURE(c.back(), "cannot call array<T, 0>::back() on a zero-sized array");
    TEST_LIBCPP_ASSERT_FAILURE(cc.back(), "cannot call array<T, 0>::back() on a zero-sized array");
  }

  return 0;
}