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 // friend constexpr bool operator==(const iterator& x, const sentinel& y);
12
13 #include <ranges>
14 #include <cassert>
15
16 #include "test_macros.h"
17 #include "../types.h"
18
test()19 constexpr bool test() {
20 {
21 const std::ranges::iota_view<int, IntComparableWith<int>> io(0, IntComparableWith<int>(10));
22 auto iter = io.begin();
23 auto sent = io.end();
24 assert(iter != sent);
25 assert(iter + 10 == sent);
26 }
27 {
28 std::ranges::iota_view<int, IntComparableWith<int>> io(0, IntComparableWith<int>(10));
29 auto iter = io.begin();
30 auto sent = io.end();
31 assert(iter != sent);
32 assert(iter + 10 == sent);
33 }
34 {
35 const std::ranges::iota_view io(SomeInt(0), IntComparableWith(SomeInt(10)));
36 auto iter = io.begin();
37 auto sent = io.end();
38 assert(iter != sent);
39 assert(iter + 10 == sent);
40 }
41 {
42 std::ranges::iota_view io(SomeInt(0), IntComparableWith(SomeInt(10)));
43 auto iter = io.begin();
44 auto sent = io.end();
45 assert(iter != sent);
46 assert(iter + 10 == sent);
47 }
48
49 return true;
50 }
51
main(int,char **)52 int main(int, char**) {
53 test();
54 static_assert(test());
55
56 return 0;
57 }
58