llvm-project/libcxx/test/std/ranges/range.adaptors/range.drop/end.pass.cpp

53 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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
// UNSUPPORTED: libcpp-no-concepts
// UNSUPPORTED: libcpp-has-no-incomplete-ranges
// 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(ContiguousView(), 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(ContiguousView(), 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(ContiguousView(), 10);
assert(dropView5.end() == globalBuff + 8);
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}