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 // UNSUPPORTED: libcpp-no-concepts
11 
12 // ranges::next
13 
14 #include <iterator>
15 
16 #include <memory>
17 
18 #include "test_iterators.h"
19 
20 void proper_constraints() {
21   auto p = std::unique_ptr<int>();
22   std::ranges::advance(p, 5); // expected-error {{no matching function for call}}
23   std::ranges::advance(p, p); // expected-error {{no matching function for call}}
24   std::ranges::advance(p, 5, p); // expected-error {{no matching function for call}}
25 }
26