e53c461bf3
Note that this class was called just `split_view` in the original One Ranges Proposal and was renamed to `lazy_split_view` by [P2210](https://wg21.link/p2210). Co-authored-by: zoecarver <z.zoelec2@gmail.com> Differential Revision: https://reviews.llvm.org/D107500
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// UNSUPPORTED: libcpp-has-no-incomplete-ranges
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// constexpr outer-iterator::value-type outer-iterator::operator*() const;
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#include <ranges>
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#include <cassert>
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#include <string_view>
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#include <type_traits>
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#include "../small_string.h"
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#include "../types.h"
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template <class View, class Separator>
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constexpr void test_one(Separator sep) {
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using namespace std::string_view_literals;
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View v("abc def ghi"sv, sep);
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// Non-const iterator.
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{
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auto i = v.begin();
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static_assert(!std::is_reference_v<decltype(*i)>);
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assert(SmallString(*i) == "abc"_str);
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assert(SmallString(*(++i)) == "def"_str);
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assert(SmallString(*(++i)) == "ghi"_str);
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}
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// Const iterator.
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{
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const auto ci = v.begin();
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static_assert(!std::is_reference_v<decltype(*ci)>);
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assert(SmallString(*ci) == "abc"_str);
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}
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}
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constexpr bool test() {
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// `View` is a forward range.
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test_one<SplitViewDiff>(" ");
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test_one<SplitViewInput>(' ');
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return true;
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}
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int main(int, char**) {
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test();
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static_assert(test());
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return 0;
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}
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