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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// type_traits
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// is_volatile
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#include <type_traits>
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#include "test_macros.h"
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template <class T>
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void test_is_volatile()
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{
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static_assert(!std::is_volatile<T>::value, "");
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static_assert(!std::is_volatile<const T>::value, "");
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static_assert( std::is_volatile<volatile T>::value, "");
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static_assert( std::is_volatile<const volatile T>::value, "");
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#if TEST_STD_VER > 14
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static_assert(!std::is_volatile_v<T>, "");
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static_assert(!std::is_volatile_v<const T>, "");
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static_assert( std::is_volatile_v<volatile T>, "");
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static_assert( std::is_volatile_v<const volatile T>, "");
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#endif
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}
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struct A; // incomplete
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int main(int, char**)
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{
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test_is_volatile<void>();
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test_is_volatile<int>();
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test_is_volatile<double>();
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test_is_volatile<int*>();
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test_is_volatile<const int*>();
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test_is_volatile<char[3]>();
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test_is_volatile<char[]>();
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test_is_volatile<A>();
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static_assert(!std::is_volatile<int&>::value, "");
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static_assert(!std::is_volatile<volatile int&>::value, "");
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return 0;
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}
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