933afa9761
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185597 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// type_traits
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// add_cv
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#include <type_traits>
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template <class T, class U>
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void test_add_cv_imp()
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{
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static_assert((std::is_same<typename std::add_cv<T>::type, const volatile U>::value), "");
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#if _LIBCPP_STD_VER > 11
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static_assert((std::is_same<std::add_cv_t<T>, U>::value), "");
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#endif
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}
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template <class T>
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void test_add_cv()
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{
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test_add_cv_imp<T, const volatile T>();
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test_add_cv_imp<const T, const volatile T>();
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test_add_cv_imp<volatile T, volatile const T>();
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test_add_cv_imp<const volatile T, const volatile T>();
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}
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int main()
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{
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test_add_cv<void>();
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test_add_cv<int>();
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test_add_cv<int[3]>();
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test_add_cv<int&>();
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test_add_cv<const int&>();
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test_add_cv<int*>();
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test_add_cv<const int*>();
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}
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