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"
27namespace fs = std::filesystem;
28
29static void test_copy_assign_operator() {
30 using namespace fs;
31 // Copy
32 {
33 static_assert(std::is_copy_assignable<directory_entry>::value,
34 "directory_entry must be copy assignable");
35 static_assert(!std::is_nothrow_copy_assignable<directory_entry>::value,
36 "directory_entry's copy assignment cannot be noexcept");
37 const path p("foo/bar/baz");
38 const path p2("abc");
39 const directory_entry e(p);
40 directory_entry e2;
41 assert(e.path() == p && e2.path() == path());
42 e2 = e;
43 assert(e.path() == p && e2.path() == p);
44 directory_entry e3(p2);
45 e2 = e3;
46 assert(e2.path() == p2 && e3.path() == p2);
47 }
48}
49
50static void copy_assign_copies_cache() {
51 using namespace fs;
52 scoped_test_env env;
53 const path dir = env.create_dir("dir");
54 const path file = env.create_file("dir/file", 42);
55 const path sym = env.create_symlink("dir/file", "sym");
56
57 {
58 directory_entry ent(sym);
59
60 fs::remove(p: sym);
61
62 directory_entry ent_cp;
63 ent_cp = ent;
64 assert(ent_cp.path() == sym);
65 assert(ent_cp.is_symlink());
66 }
67
68 {
69 directory_entry ent(file);
70
71 fs::remove(p: file);
72
73 directory_entry ent_cp;
74 ent_cp = ent;
75 assert(ent_cp.path() == file);
76 assert(ent_cp.is_regular_file());
77 }
78}
79
80int main(int, char**) {
81 test_copy_assign_operator();
82 copy_assign_copies_cache();
83
84 return 0;
85}
86

source code of libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.cons/copy_assign.pass.cpp