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// UNSUPPORTED: c++03, c++11, c++14
11
12// template <class T, class... U>
13// array(T, U...) -> array<T, 1 + sizeof...(U)>;
14//
15// Requires: (is_same_v<T, U> && ...) is true. Otherwise the program is ill-formed.
16
17#include <array>
18#include <cassert>
19#include <cstddef>
20
21#include "test_macros.h"
22
23int main(int, char**) {
24 {
25 std::array arr{1, 2, 3L};
26 // expected-error-re@-1 {{no viable constructor or deduction guide for deduction of template arguments of '{{(std::)?}}array'}}
27 }
28
29 return 0;
30}
31

source code of libcxx/test/std/containers/sequences/array/array.cons/deduct.verify.cpp