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 // constexpr auto end()
12 // requires (!simple-view<V>)
13 // constexpr auto end() const
14 // requires range<const V>
15
16 #include <ranges>
17
18 #include "test_macros.h"
19 #include "types.h"
20
test()21 constexpr bool test() {
22 // range<const V>
23 std::ranges::drop_view dropView1(MoveOnlyView(), 4);
24 assert(dropView1.end() == globalBuff + 8);
25
26 // !simple-view<V>
27 std::ranges::drop_view dropView2(InputView(), 4);
28 assert(dropView2.end() == globalBuff + 8);
29
30 // range<const V>
31 const std::ranges::drop_view dropView3(MoveOnlyView(), 0);
32 assert(dropView3.end() == globalBuff + 8);
33
34 // !simple-view<V>
35 const std::ranges::drop_view dropView4(InputView(), 2);
36 assert(dropView4.end() == globalBuff + 8);
37
38 // range<const V>
39 std::ranges::drop_view dropView5(MoveOnlyView(), 10);
40 assert(dropView5.end() == globalBuff + 8);
41
42 return true;
43 }
44
main(int,char **)45 int main(int, char**) {
46 test();
47 static_assert(test());
48
49 return 0;
50 }
51