================ @@ -0,0 +1,107 @@ +//===----------------------------------------------------------------------===// +// +// 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, c++20 + +// <ranges> + +// class enumerate_view + +// class enumerate_view::iterator + +// friend constexpr strong_ordering operator<=>(const iterator& x, const iterator& y) noexcept; + +#include <cassert> +#include <ranges> + +#include "test_iterators.h" +#include "../types.h" + +constexpr void compareOperatorTest(const auto& iter1, const auto& iter2) { + assert(!(iter1 < iter1)); + assert(iter1 < iter2); + assert(!(iter2 < iter1)); + + assert(iter1 <= iter1); + assert(iter1 <= iter2); + assert(!(iter2 <= iter1)); + + assert(!(iter1 > iter1)); + assert(!(iter1 > iter2)); + assert(iter2 > iter1); + + assert(iter1 >= iter1); + assert(!(iter1 >= iter2)); + assert(iter2 >= iter1); + + assert(iter1 == iter1); + assert(!(iter1 == iter2)); + assert(iter2 == iter2); + + assert(!(iter1 != iter1)); + assert(iter1 != iter2); + assert(!(iter2 != iter2)); +} + +constexpr bool test() { + int buff[] = {0, 1, 2, 3}; + { + using View = std::ranges::enumerate_view<RangeView>; + + using Iterator = std::ranges::iterator_t<View>; + static_assert(std::three_way_comparable<Iterator>); + using Subrange = std::ranges::subrange<Iterator>; + static_assert(std::three_way_comparable<std::ranges::iterator_t<Subrange>>); + using EnumerateView = std::ranges::enumerate_view<Subrange>; + static_assert(std::three_way_comparable<std::ranges::iterator_t<EnumerateView>>); + + RangeView const range(buff, buff + 4); + + std::same_as<View> decltype(auto) ev = std::views::enumerate(range); + + auto it1 = ev.begin(); + auto it2 = it1 + 1; ---------------- cjdb wrote:
Please const-qualify (I'm specifically calling these out because the interface requires them to be `const`-qualified). https://github.com/llvm/llvm-project/pull/73617 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
