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 is_symlink(file_status s) noexcept
15 // bool is_symlink(path const& p);
16 // bool is_symlink(path const& p, std::error_code& ec) noexcept;
17
18 #include <experimental/filesystem>
19 #include <type_traits>
20 #include <cassert>
21
22 #include "test_macros.h"
23 #include "rapid-cxx-test.hpp"
24 #include "filesystem_test_helper.hpp"
25
26 using namespace std::experimental::filesystem;
27
28 TEST_SUITE(is_symlink_test_suite)
29
TEST_CASE(signature_test)30 TEST_CASE(signature_test)
31 {
32 file_status s; ((void)s);
33 const path p; ((void)p);
34 std::error_code ec; ((void)ec);
35 ASSERT_NOEXCEPT(is_symlink(s));
36 ASSERT_NOEXCEPT(is_symlink(p, ec));
37 ASSERT_NOT_NOEXCEPT(is_symlink(p));
38 }
39
TEST_CASE(is_symlink_status_test)40 TEST_CASE(is_symlink_status_test)
41 {
42 struct TestCase {
43 file_type type;
44 bool expect;
45 };
46 const TestCase testCases[] = {
47 {file_type::none, false},
48 {file_type::not_found, false},
49 {file_type::regular, false},
50 {file_type::directory, false},
51 {file_type::symlink, true},
52 {file_type::block, false},
53 {file_type::character, false},
54 {file_type::fifo, false},
55 {file_type::socket, false},
56 {file_type::unknown, false}
57 };
58 for (auto& TC : testCases) {
59 file_status s(TC.type);
60 TEST_CHECK(is_symlink(s) == TC.expect);
61 }
62 }
63
TEST_CASE(static_env_test)64 TEST_CASE(static_env_test)
65 {
66 struct TestCase {
67 path p;
68 bool expect;
69 };
70 const TestCase testCases[] = {
71 {StaticEnv::File, false},
72 {StaticEnv::Dir, false},
73 {StaticEnv::SymlinkToFile, true},
74 {StaticEnv::SymlinkToDir, true},
75 {StaticEnv::BadSymlink, true}
76 };
77 for (auto& TC : testCases) {
78 TEST_CHECK(is_symlink(TC.p) == TC.expect);
79 }
80 }
81
TEST_CASE(test_exist_not_found)82 TEST_CASE(test_exist_not_found)
83 {
84 const path p = StaticEnv::DNE;
85 TEST_CHECK(is_symlink(p) == false);
86 std::error_code ec;
87 TEST_CHECK(is_symlink(p, ec) == false);
88 TEST_CHECK(ec);
89 }
90
TEST_CASE(test_is_symlink_fails)91 TEST_CASE(test_is_symlink_fails)
92 {
93 scoped_test_env env;
94 const path dir = env.create_dir("dir");
95 const path file = env.create_file("dir/file", 42);
96 permissions(dir, perms::none);
97
98 std::error_code ec;
99 TEST_CHECK(is_symlink(file, ec) == false);
100 TEST_CHECK(ec);
101
102 TEST_CHECK_THROW(filesystem_error, is_symlink(file));
103 }
104
105 TEST_SUITE_END()
106