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 // Libcxx when built for z/OS doesn't contain the aligned allocation functions, 14 // nor does the dynamic library shipped with z/OS. 15 // UNSUPPORTED: target={{.+}}-zos{{.*}} 16 17 #include <new> 18 19 #include "test_macros.h" 20 21 int main(int, char**) { 22 { 23 static_assert(std::is_enum<std::align_val_t>::value, ""); 24 static_assert(std::is_same<std::underlying_type<std::align_val_t>::type, std::size_t>::value, ""); 25 static_assert(!std::is_constructible<std::align_val_t, std::size_t>::value, ""); 26 static_assert(!std::is_constructible<std::size_t, std::align_val_t>::value, ""); 27 } 28 { 29 constexpr auto a = std::align_val_t(0); 30 constexpr auto b = std::align_val_t(32); 31 constexpr auto c = std::align_val_t(-1); 32 static_assert(a != b, ""); 33 static_assert(a == std::align_val_t(0), ""); 34 static_assert(b == std::align_val_t(32), ""); 35 static_assert(static_cast<std::size_t>(c) == (std::size_t)-1, ""); 36 } 37 38 return 0; 39 } 40