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 | |
12 | // <filesystem> |
13 | |
14 | // class directory_entry |
15 | |
16 | // directory_entry& operator=(directory_entry const&) = default; |
17 | // directory_entry& operator=(directory_entry&&) noexcept = default; |
18 | // void assign(path const&); |
19 | // void replace_filename(path const&); |
20 | |
21 | #include <filesystem> |
22 | #include <type_traits> |
23 | #include <cassert> |
24 | |
25 | #include "test_macros.h" |
26 | #include "filesystem_test_helper.h" |
27 | namespace fs = std::filesystem; |
28 | |
29 | static void test_move_assign_operator() { |
30 | using namespace fs; |
31 | // Copy |
32 | { |
33 | static_assert(std::is_nothrow_move_assignable<directory_entry>::value, |
34 | "directory_entry is noexcept move assignable"); |
35 | const path p("foo/bar/baz"); |
36 | const path p2("abc"); |
37 | directory_entry e(p); |
38 | directory_entry e2(p2); |
39 | assert(e.path() == p && e2.path() == p2); |
40 | e2 = std::move(e); |
41 | assert(e2.path() == p); |
42 | assert(e.path() != p); // testing moved from state |
43 | } |
44 | } |
45 | |
46 | static void move_assign_copies_cache() { |
47 | using namespace fs; |
48 | scoped_test_env env; |
49 | const path dir = env.create_dir("dir"); |
50 | const path file = env.create_file("dir/file", 42); |
51 | const path sym = env.create_symlink("dir/file", "sym"); |
52 | |
53 | { |
54 | directory_entry ent(sym); |
55 | |
56 | fs::remove(p: sym); |
57 | |
58 | directory_entry ent_cp; |
59 | ent_cp = std::move(ent); |
60 | assert(ent_cp.path() == sym); |
61 | assert(ent_cp.is_symlink()); |
62 | } |
63 | |
64 | { |
65 | directory_entry ent(file); |
66 | |
67 | fs::remove(p: file); |
68 | |
69 | directory_entry ent_cp; |
70 | ent_cp = std::move(ent); |
71 | assert(ent_cp.path() == file); |
72 | assert(ent_cp.is_regular_file()); |
73 | } |
74 | } |
75 | |
76 | int main(int, char**) { |
77 | test_move_assign_operator(); |
78 | move_assign_copies_cache(); |
79 | |
80 | return 0; |
81 | } |
82 |