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 // <array>
10
11 // tuple_size<array<T, N> >::value
12
13 #include <array>
14
15 #include "test_macros.h"
16
17 template <class T, std::size_t N>
test()18 void test()
19 {
20 {
21 typedef std::array<T, N> C;
22 static_assert((std::tuple_size<C>::value == N), "");
23 }
24 {
25 typedef std::array<T const, N> C;
26 static_assert((std::tuple_size<C>::value == N), "");
27 }
28 {
29 typedef std::array<T volatile, N> C;
30 static_assert((std::tuple_size<C>::value == N), "");
31 }
32 {
33 typedef std::array<T const volatile, N> C;
34 static_assert((std::tuple_size<C>::value == N), "");
35 }
36 }
37
main(int,char **)38 int main(int, char**)
39 {
40 test<double, 0>();
41 test<double, 3>();
42 test<double, 5>();
43
44 return 0;
45 }
46