is_final.pass.cpp
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//===----------------------------------------------------------------------===//
//
// 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: c++03, c++11
// type_traits
// is_final
#include <type_traits>
#include "test_macros.h"
struct P final { };
union U1 { };
union U2 final { };
template <class T>
void test_is_final()
{
static_assert( std::is_final<T>::value, "");
static_assert( std::is_final<const T>::value, "");
static_assert( std::is_final<volatile T>::value, "");
static_assert( std::is_final<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert( std::is_final_v<T>, "");
static_assert( std::is_final_v<const T>, "");
static_assert( std::is_final_v<volatile T>, "");
static_assert( std::is_final_v<const volatile T>, "");
#endif
}
template <class T>
void test_is_not_final()
{
static_assert(!std::is_final<T>::value, "");
static_assert(!std::is_final<const T>::value, "");
static_assert(!std::is_final<volatile T>::value, "");
static_assert(!std::is_final<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert(!std::is_final_v<T>, "");
static_assert(!std::is_final_v<const T>, "");
static_assert(!std::is_final_v<volatile T>, "");
static_assert(!std::is_final_v<const volatile T>, "");
#endif
}
int main(int, char**)
{
test_is_not_final<int>();
test_is_not_final<int*>();
test_is_final <P>();
test_is_not_final<P*>();
test_is_not_final<U1>();
test_is_not_final<U1*>();
test_is_final <U2>();
test_is_not_final<U2*>();
return 0;
}