| 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // REQUIRES: can-create-symlinks |
| 10 | // UNSUPPORTED: c++03, c++11, c++14 |
| 11 | // UNSUPPORTED: no-filesystem |
| 12 | // UNSUPPORTED: availability-filesystem-missing |
| 13 | |
| 14 | // <filesystem> |
| 15 | |
| 16 | // class recursive_directory_iterator |
| 17 | |
| 18 | // int depth() const |
| 19 | |
| 20 | #include <filesystem> |
| 21 | #include <type_traits> |
| 22 | #include <set> |
| 23 | #include <cassert> |
| 24 | |
| 25 | #include "assert_macros.h" |
| 26 | #include "test_macros.h" |
| 27 | #include "filesystem_test_helper.h" |
| 28 | namespace fs = std::filesystem; |
| 29 | using namespace fs; |
| 30 | |
| 31 | static void test_depth() |
| 32 | { |
| 33 | static_test_env static_env; |
| 34 | const path testDir = static_env.Dir; |
| 35 | const path DirDepth1 = static_env.Dir2; |
| 36 | const path DirDepth2 = static_env.Dir3; |
| 37 | const recursive_directory_iterator endIt{}; |
| 38 | |
| 39 | std::error_code ec; |
| 40 | recursive_directory_iterator it(testDir, ec); |
| 41 | assert(!ec); |
| 42 | assert(it.depth() == 0); |
| 43 | |
| 44 | bool seen_d1, seen_d2; |
| 45 | seen_d1 = seen_d2 = false; |
| 46 | |
| 47 | while (it != endIt) { |
| 48 | const path entry = *it; |
| 49 | const path parent = entry.parent_path(); |
| 50 | if (parent == testDir) { |
| 51 | assert(it.depth() == 0); |
| 52 | } else if (parent == DirDepth1) { |
| 53 | assert(it.depth() == 1); |
| 54 | seen_d1 = true; |
| 55 | } else if (parent == DirDepth2) { |
| 56 | assert(it.depth() == 2); |
| 57 | seen_d2 = true; |
| 58 | } else { |
| 59 | assert(!"Unexpected depth while iterating over static env"); |
| 60 | } |
| 61 | ++it; |
| 62 | } |
| 63 | assert(seen_d1 && seen_d2); |
| 64 | assert(it == endIt); |
| 65 | } |
| 66 | |
| 67 | int main(int, char**) { |
| 68 | test_depth(); |
| 69 | |
| 70 | return 0; |
| 71 | } |
| 72 |
