71 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// int depth() const18 19#include <filesystem>20#include <type_traits>21#include <set>22#include <cassert>23 24#include "assert_macros.h"25#include "test_macros.h"26#include "filesystem_test_helper.h"27namespace fs = std::filesystem;28using namespace fs;29 30static void test_depth()31{32 static_test_env static_env;33 const path testDir = static_env.Dir;34 const path DirDepth1 = static_env.Dir2;35 const path DirDepth2 = static_env.Dir3;36 const recursive_directory_iterator endIt{};37 38 std::error_code ec;39 recursive_directory_iterator it(testDir, ec);40 assert(!ec);41 assert(it.depth() == 0);42 43 bool seen_d1, seen_d2;44 seen_d1 = seen_d2 = false;45 46 while (it != endIt) {47 const path entry = *it;48 const path parent = entry.parent_path();49 if (parent == testDir) {50 assert(it.depth() == 0);51 } else if (parent == DirDepth1) {52 assert(it.depth() == 1);53 seen_d1 = true;54 } else if (parent == DirDepth2) {55 assert(it.depth() == 2);56 seen_d2 = true;57 } else {58 assert(!"Unexpected depth while iterating over static env");59 }60 ++it;61 }62 assert(seen_d1 && seen_d2);63 assert(it == endIt);64}65 66int main(int, char**) {67 test_depth();68 69 return 0;70}71