llvm-project/libcxx/test/std/algorithms/ranges_result_alias_declarations.compile.pass.cpp
Christopher Di Bella 3903438860
[libcxx] adds ranges::fold_left_with_iter and ranges::fold_left (#75259)
Notable things in this commit:

* refactors `__indirect_binary_left_foldable`, making it slightly
different (but equivalent) to _`indirect-binary-left-foldable`_, which
improves readability (a [patch to the Working Paper][patch] was made)
* omits `__cpo` namespace, since it is not required for implementing
niebloids (a cleanup should happen in 2024)
* puts tests ensuring invocable robustness and dangling correctness
inside the correctness testing to ensure that the algorithms' results
are still correct

[patch]: https://github.com/cplusplus/draft/pull/6734
2023-12-19 21:57:50 -08:00

71 lines
3.8 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
// <algorithm>
// ensure that all result alias declarations are defined
#include <algorithm>
#include <memory>
#include <type_traits>
#include "test_macros.h"
using namespace std::ranges;
static_assert(std::is_same_v<in_fun_result<int, long>, for_each_result<int, long>>);
static_assert(std::is_same_v<in_fun_result<int, long>, for_each_n_result<int, long>>);
static_assert(std::is_same_v<in_in_result<int, long>, mismatch_result<int, long>>);
static_assert(std::is_same_v<in_in_result<int, long>, swap_ranges_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, copy_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, copy_n_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, copy_if_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, copy_backward_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, move_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, move_backward_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, partial_sort_copy_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, remove_copy_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, remove_copy_if_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, replace_copy_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, replace_copy_if_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, reverse_copy_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, rotate_copy_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, set_difference_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, unary_transform_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, uninitialized_copy_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, uninitialized_copy_n_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, uninitialized_move_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, uninitialized_move_n_result<int, long>>);
static_assert(std::is_same_v<in_out_result<int, long>, unique_copy_result<int, long>>);
static_assert(std::is_same_v<in_in_out_result<int, long, char>, binary_transform_result<int, long, char>>);
static_assert(std::is_same_v<in_in_out_result<int, long, char>, merge_result<int, long, char>>);
static_assert(std::is_same_v<in_in_out_result<int, long, char>, set_symmetric_difference_result<int, long, char>>);
static_assert(std::is_same_v<in_in_out_result<int, long, char>, set_union_result<int, long, char>>);
static_assert(std::is_same_v<in_in_out_result<int, long, char>, set_intersection_result<int, long, char>>);
static_assert(std::is_same_v<in_out_out_result<int, long, char>, partition_copy_result<int, long, char>>);
static_assert(std::is_same_v<min_max_result<int>, minmax_result<int>>);
static_assert(std::is_same_v<min_max_result<int>, minmax_element_result<int>>);
static_assert(std::is_same_v<in_found_result<int>, next_permutation_result<int>>);
static_assert(std::is_same_v<in_found_result<int>, prev_permutation_result<int>>);
#if TEST_STD_VER >= 23
static_assert(std::is_same_v<in_value_result<int, long>, fold_left_with_iter_result<int, long>>);
// static_assert(std::is_same_v<out_value_result<int>, iota_result<int>>);
#endif // TEST_STD_VER