1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++98, c++03
11
12 // <filesystem>
13
14 // bool remove(const path& p);
15 // bool remove(const path& p, error_code& ec) noexcept;
16
17 #include "filesystem_include.hpp"
18
19 #include "test_macros.h"
20 #include "rapid-cxx-test.hpp"
21 #include "filesystem_test_helper.hpp"
22
23 using namespace fs;
24
25 TEST_SUITE(filesystem_remove_test_suite)
26
TEST_CASE(test_signatures)27 TEST_CASE(test_signatures)
28 {
29 const path p; ((void)p);
30 std::error_code ec; ((void)ec);
31 ASSERT_SAME_TYPE(decltype(fs::remove(p)), bool);
32 ASSERT_SAME_TYPE(decltype(fs::remove(p, ec)), bool);
33
34 ASSERT_NOT_NOEXCEPT(fs::remove(p));
35 ASSERT_NOEXCEPT(fs::remove(p, ec));
36 }
37
TEST_CASE(test_error_reporting)38 TEST_CASE(test_error_reporting)
39 {
40 auto checkThrow = [](path const& f, const std::error_code& ec)
41 {
42 #ifndef TEST_HAS_NO_EXCEPTIONS
43 try {
44 fs::remove(f);
45 return false;
46 } catch (filesystem_error const& err) {
47 return err.path1() == f
48 && err.path2() == ""
49 && err.code() == ec;
50 }
51 #else
52 ((void)f); ((void)ec);
53 return true;
54 #endif
55 };
56 scoped_test_env env;
57 const path non_empty_dir = env.create_dir("dir");
58 env.create_file(non_empty_dir / "file1", 42);
59 const path bad_perms_dir = env.create_dir("bad_dir");
60 const path file_in_bad_dir = env.create_file(bad_perms_dir / "file", 42);
61 permissions(bad_perms_dir, perms::none);
62 const path testCases[] = {
63 non_empty_dir,
64 file_in_bad_dir,
65 };
66 for (auto& p : testCases) {
67 std::error_code ec;
68
69 TEST_CHECK(!fs::remove(p, ec));
70 TEST_CHECK(ec);
71 TEST_CHECK(checkThrow(p, ec));
72 }
73
74 // PR#35780
75 const path testCasesNonexistant[] = {
76 "",
77 env.make_env_path("dne")
78 };
79
80 for (auto& p : testCasesNonexistant) {
81 std::error_code ec;
82
83 TEST_CHECK(!fs::remove(p, ec));
84 TEST_CHECK(!ec);
85 }
86 }
87
TEST_CASE(basic_remove_test)88 TEST_CASE(basic_remove_test)
89 {
90 scoped_test_env env;
91 const path dne = env.make_env_path("dne");
92 const path link = env.create_symlink(dne, "link");
93 const path nested_link = env.make_env_path("nested_link");
94 create_symlink(link, nested_link);
95 const path testCases[] = {
96 env.create_file("file", 42),
97 env.create_dir("empty_dir"),
98 nested_link,
99 link
100 };
101 for (auto& p : testCases) {
102 std::error_code ec = std::make_error_code(std::errc::address_in_use);
103 TEST_CHECK(remove(p, ec));
104 TEST_CHECK(!ec);
105 TEST_CHECK(!exists(symlink_status(p)));
106 }
107 }
108
109 TEST_SUITE_END()
110