1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10
11// type_traits
12
13// remove_cvref
14
15#include <type_traits>
16
17#include "test_macros.h"
18
19template <class T, class U>
20void test_remove_cvref()
21{
22 ASSERT_SAME_TYPE(U, typename std::remove_cvref<T>::type);
23 ASSERT_SAME_TYPE(U, std::remove_cvref_t<T>);
24}
25
26int main(int, char**)
27{
28 test_remove_cvref<void, void>();
29 test_remove_cvref<int, int>();
30 test_remove_cvref<const int, int>();
31 test_remove_cvref<const volatile int, int>();
32 test_remove_cvref<volatile int, int>();
33
34// Doesn't decay
35 test_remove_cvref<int[3], int[3]>();
36 test_remove_cvref<int const [3], int[3]>();
37 test_remove_cvref<int volatile [3], int[3]>();
38 test_remove_cvref<int const volatile [3], int[3]>();
39 test_remove_cvref<void(), void ()>();
40
41 test_remove_cvref<int &, int>();
42 test_remove_cvref<const int &, int>();
43 test_remove_cvref<const volatile int &, int>();
44 test_remove_cvref<volatile int &, int>();
45
46 test_remove_cvref<int*, int*>();
47 test_remove_cvref<int(int) const, int(int) const>();
48 test_remove_cvref<int(int) volatile, int(int) volatile>();
49 test_remove_cvref<int(int) &, int(int) &>();
50 test_remove_cvref<int(int) &&, int(int) &&>();
51
52 return 0;
53}
54

source code of libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/remove_cvref.pass.cpp