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 // UNSUPPORTED: gcc-10
12 // UNSUPPORTED: libcpp-has-no-incomplete-ranges
13 
14 // constexpr drop_view(V base, range_difference_t<V> count);
15 
16 #include <ranges>
17 
18 #include "test_macros.h"
19 #include "types.h"
20 
21 constexpr bool test() {
22   std::ranges::drop_view dropView1(ContiguousView(), 4);
23   assert(dropView1.size() == 4);
24   assert(dropView1.begin() == globalBuff + 4);
25 
26   std::ranges::drop_view dropView2(ForwardView(), 4);
27   assert(dropView2.begin().base() == globalBuff + 4);
28 
29   return true;
30 }
31 
32 int main(int, char**) {
33   test();
34   static_assert(test());
35 
36   return 0;
37 }
38