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 // <experimental/filesystem>
13
14 // bool remove(const path& p);
15 // bool remove(const path& p, error_code& ec) noexcept;
16
17 #include <experimental/filesystem>
18
19 #include "test_macros.h"
20 #include "rapid-cxx-test.hpp"
21 #include "filesystem_test_helper.hpp"
22
23 using namespace std::experimental::filesystem;
24 namespace fs = std::experimental::filesystem;
25
26 TEST_SUITE(filesystem_remove_test_suite)
27
TEST_CASE(test_signatures)28 TEST_CASE(test_signatures)
29 {
30 const path p; ((void)p);
31 std::error_code ec; ((void)ec);
32 ASSERT_SAME_TYPE(decltype(fs::remove(p)), bool);
33 ASSERT_SAME_TYPE(decltype(fs::remove(p, ec)), bool);
34
35 ASSERT_NOT_NOEXCEPT(fs::remove(p));
36 ASSERT_NOEXCEPT(fs::remove(p, ec));
37 }
38
TEST_CASE(test_error_reporting)39 TEST_CASE(test_error_reporting)
40 {
41 auto checkThrow = [](path const& f, const std::error_code& ec)
42 {
43 #ifndef TEST_HAS_NO_EXCEPTIONS
44 try {
45 fs::remove(f);
46 return false;
47 } catch (filesystem_error const& err) {
48 return err.path1() == f
49 && err.path2() == ""
50 && err.code() == ec;
51 }
52 #else
53 ((void)f); ((void)ec);
54 return true;
55 #endif
56 };
57 scoped_test_env env;
58 const path non_empty_dir = env.create_dir("dir");
59 env.create_file(non_empty_dir / "file1", 42);
60 const path bad_perms_dir = env.create_dir("bad_dir");
61 const path file_in_bad_dir = env.create_file(bad_perms_dir / "file", 42);
62 permissions(bad_perms_dir, perms::none);
63 const path testCases[] = {
64 "",
65 env.make_env_path("dne"),
66 non_empty_dir,
67 file_in_bad_dir,
68 };
69 for (auto& p : testCases) {
70 std::error_code ec;
71 TEST_CHECK(!fs::remove(p, ec));
72 TEST_CHECK(ec);
73 TEST_CHECK(checkThrow(p, ec));
74 }
75 }
76
TEST_CASE(basic_remove_test)77 TEST_CASE(basic_remove_test)
78 {
79 scoped_test_env env;
80 const path dne = env.make_env_path("dne");
81 const path link = env.create_symlink(dne, "link");
82 const path nested_link = env.make_env_path("nested_link");
83 create_symlink(link, nested_link);
84 const path testCases[] = {
85 env.create_file("file", 42),
86 env.create_dir("empty_dir"),
87 nested_link,
88 link
89 };
90 for (auto& p : testCases) {
91 std::error_code ec = std::make_error_code(std::errc::address_in_use);
92 TEST_CHECK(remove(p, ec));
93 TEST_CHECK(!ec);
94 TEST_CHECK(!exists(symlink_status(p)));
95 }
96 }
97
98 TEST_SUITE_END()
99