1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// enum class align_val_t : size_t {}
10
11// UNSUPPORTED: c++03, c++11, c++14
12
13// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
14// nor does the dynamic library shipped with z/OS.
15// XFAIL: target={{.+}}-zos{{.*}}
16
17#include <new>
18#include <type_traits>
19
20#include "test_macros.h"
21
22int main(int, char**) {
23 {
24 static_assert(std::is_enum<std::align_val_t>::value, "");
25 static_assert(std::is_same<std::underlying_type<std::align_val_t>::type, std::size_t>::value, "");
26 static_assert(!std::is_constructible<std::align_val_t, std::size_t>::value, "");
27 static_assert(!std::is_constructible<std::size_t, std::align_val_t>::value, "");
28 }
29 {
30 constexpr auto a = std::align_val_t(0);
31 constexpr auto b = std::align_val_t(32);
32 constexpr auto c = std::align_val_t(-1);
33 static_assert(a != b, "");
34 static_assert(a == std::align_val_t(0), "");
35 static_assert(b == std::align_val_t(32), "");
36 static_assert(static_cast<std::size_t>(c) == (std::size_t)-1, "");
37 }
38
39 return 0;
40}
41

source code of libcxx/test/std/language.support/support.dynamic/align_val_t.pass.cpp