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47 lines
1.1 KiB
C++
47 lines
1.1 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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// add_const
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#include <type_traits>
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#include "test_macros.h"
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template <class T, class U>
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void test_add_const_imp()
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{
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ASSERT_SAME_TYPE(const U, typename std::add_const<T>::type);
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#if TEST_STD_VER > 11
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ASSERT_SAME_TYPE(const U, std::add_const_t<T>);
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#endif
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}
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template <class T>
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void test_add_const()
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{
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test_add_const_imp<T, const T>();
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test_add_const_imp<const T, const T>();
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test_add_const_imp<volatile T, volatile const T>();
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test_add_const_imp<const volatile T, const volatile T>();
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}
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int main(int, char**)
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{
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test_add_const<void>();
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test_add_const<int>();
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test_add_const<int[3]>();
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test_add_const<int&>();
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test_add_const<const int&>();
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test_add_const<int*>();
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test_add_const<const int*>();
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return 0;
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}
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