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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// struct destroying_delete_t {
// explicit destroying_delete_t() = default;
// };
// inline constexpr destroying_delete_t destroying_delete{};
// UNSUPPORTED: c++03, c++11, c++14, c++17
// Test only the library parts of destroying delete in this test.
// Verify that it's properly declared after C++17 and that it's constexpr.
//
// Other tests will check the language side of things -- but those are
// limited to newer compilers.
#include <new>
#include <cassert>
#include "test_macros.h"
#include "test_convertible.h"
#ifdef __cpp_impl_destroying_delete
# ifndef __cpp_lib_destroying_delete
# error "Expected __cpp_lib_destroying_delete to be defined"
# elif __cpp_lib_destroying_delete < 201806L
# error "Unexpected value of __cpp_lib_destroying_delete"
# endif
#else
# ifdef __cpp_lib_destroying_delete
# error "__cpp_lib_destroying_delete should not be defined unless the compiler supports it"
# endif
#endif
constexpr bool test_constexpr(std::destroying_delete_t) {
return true;
}
int main(int, char**) {
static_assert(std::is_default_constructible<std::destroying_delete_t>::value, "");
static_assert(!test_convertible<std::destroying_delete_t>(), "");
constexpr std::destroying_delete_t dd{};
static_assert(&dd != &std::destroying_delete, "");
static_assert(test_constexpr(std::destroying_delete), "");
return 0;
}
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