86 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// REQUIRES: can-create-symlinks10// UNSUPPORTED: c++03, c++11, c++1411// UNSUPPORTED: no-filesystem12 13// <filesystem>14 15// class recursive_directory_iterator16 17// recursive_directory_iterator(recursive_directory_iterator&&) noexcept;18 19#include <filesystem>20#include <type_traits>21#include <set>22#include <cassert>23 24#include "test_macros.h"25#include "filesystem_test_helper.h"26namespace fs = std::filesystem;27using namespace fs;28 29static void test_constructor_signature()30{31 using D = recursive_directory_iterator;32 static_assert(std::is_nothrow_move_constructible<D>::value, "");33}34 35static void test_move_end_iterator()36{37 const recursive_directory_iterator endIt;38 recursive_directory_iterator endIt2{};39 40 recursive_directory_iterator it(std::move(endIt2));41 assert(it == endIt);42 assert(endIt2 == endIt);43}44 45static void test_move_valid_iterator()46{47 static_test_env static_env;48 const path testDir = static_env.Dir;49 const recursive_directory_iterator endIt{};50 51 // build 'it' up with "interesting" non-default state so we can test52 // that it gets copied. We want to get 'it' into a state such that:53 // it.options() != directory_options::none54 // it.depth() != 055 // it.recursion_pending() != true56 const directory_options opts = directory_options::skip_permission_denied;57 recursive_directory_iterator it(testDir, opts);58 assert(it != endIt);59 while (it.depth() == 0) {60 ++it;61 assert(it != endIt);62 }63 it.disable_recursion_pending();64 assert(it.options() == opts);65 assert(it.depth() == 1);66 assert(it.recursion_pending() == false);67 const path entry = *it;68 69 // OPERATION UNDER TEST //70 const recursive_directory_iterator it2(std::move(it));71 // ------------------- //72 73 assert(it2 != endIt);74 assert(*it2 == entry);75 assert(it2.depth() == 1);76 assert(it2.recursion_pending() == false);77}78 79int main(int, char**) {80 test_constructor_signature();81 test_move_end_iterator();82 test_move_valid_iterator();83 84 return 0;85}86