85 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_recursive_directory_iterator(recursive_recursive_directory_iterator const&);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_copy_constructible<D>::value, "");33 //static_assert(!std::is_nothrow_copy_constructible<D>::value, "");34}35 36static void test_copy_end_iterator()37{38 const recursive_directory_iterator endIt;39 recursive_directory_iterator it(endIt);40 assert(it == endIt);41}42 43static void test_copy_valid_iterator()44{45 static_test_env static_env;46 const path testDir = static_env.Dir;47 const recursive_directory_iterator endIt{};48 49 // build 'it' up with "interesting" non-default state so we can test50 // that it gets copied. We want to get 'it' into a state such that:51 // it.options() != directory_options::none52 // it.depth() != 053 // it.recursion_pending() != true54 const directory_options opts = directory_options::skip_permission_denied;55 recursive_directory_iterator it(testDir, opts);56 assert(it != endIt);57 while (it.depth() == 0) {58 ++it;59 assert(it != endIt);60 }61 it.disable_recursion_pending();62 assert(it.options() == opts);63 assert(it.depth() == 1);64 assert(it.recursion_pending() == false);65 const path entry = *it;66 67 // OPERATION UNDER TEST //68 const recursive_directory_iterator it2(it);69 // ------------------- //70 71 assert(it2 == it);72 assert(*it2 == entry);73 assert(it2.depth() == 1);74 assert(it2.recursion_pending() == false);75 assert(it != endIt);76}77 78int main(int, char**) {79 test_constructor_signature();80 test_copy_end_iterator();81 test_copy_valid_iterator();82 83 return 0;84}85