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
21constexpr 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
45int main(int, char**) {
46 test();
47 static_assert(test());
48
49 return 0;
50}
51

source code of libcxx/test/std/ranges/range.adaptors/range.drop/end.pass.cpp