summaryrefslogtreecommitdiff
path: root/libcxx/test/std/ranges/range.adaptors/range.drop/end.pass.cpp
blob: 62182ad98d459e9214bbaba02df88df8d7db5a6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++03, c++11, c++14, c++17

// constexpr auto end()
//   requires (!simple-view<V>)
// constexpr auto end() const
//   requires range<const V>

#include <ranges>

#include "test_macros.h"
#include "types.h"

constexpr bool test() {
  // range<const V>
  std::ranges::drop_view dropView1(MoveOnlyView(), 4);
  assert(dropView1.end() == globalBuff + 8);

  // !simple-view<V>
  std::ranges::drop_view dropView2(InputView(), 4);
  assert(dropView2.end() == globalBuff + 8);

  // range<const V>
  const std::ranges::drop_view dropView3(MoveOnlyView(), 0);
  assert(dropView3.end() == globalBuff + 8);

  // !simple-view<V>
  const std::ranges::drop_view dropView4(InputView(), 2);
  assert(dropView4.end() == globalBuff + 8);

  // range<const V>
  std::ranges::drop_view dropView5(MoveOnlyView(), 10);
  assert(dropView5.end() == globalBuff + 8);

  return true;
}

int main(int, char**) {
  test();
  static_assert(test());

  return 0;
}