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 // void create_hard_link(const path& existing_symlink, const path& new_symlink);
15 // void create_hard_link(const path& existing_symlink, const path& new_symlink,
16 // error_code& ec) noexcept;
17
18 #include "filesystem_include.hpp"
19
20 #include "test_macros.h"
21 #include "rapid-cxx-test.hpp"
22 #include "filesystem_test_helper.hpp"
23
24 using namespace fs;
25
26 TEST_SUITE(filesystem_create_hard_link_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_NOT_NOEXCEPT(fs::create_hard_link(p, p));
33 ASSERT_NOEXCEPT(fs::create_hard_link(p, p, ec));
34 }
35
TEST_CASE(test_error_reporting)36 TEST_CASE(test_error_reporting)
37 {
38 scoped_test_env env;
39 const path file = env.create_file("file1", 42);
40 const path file2 = env.create_file("file2", 55);
41 const path sym = env.create_symlink(file, "sym");
42 { // destination exists
43 std::error_code ec;
44 fs::create_hard_link(sym, file2, ec);
45 TEST_REQUIRE(ec);
46 }
47 }
48
TEST_CASE(create_file_hard_link)49 TEST_CASE(create_file_hard_link)
50 {
51 scoped_test_env env;
52 const path file = env.create_file("file");
53 const path dest = env.make_env_path("dest1");
54 std::error_code ec;
55 TEST_CHECK(hard_link_count(file) == 1);
56 fs::create_hard_link(file, dest, ec);
57 TEST_REQUIRE(!ec);
58 TEST_CHECK(exists(dest));
59 TEST_CHECK(equivalent(dest, file));
60 TEST_CHECK(hard_link_count(file) == 2);
61 }
62
TEST_CASE(create_directory_hard_link_fails)63 TEST_CASE(create_directory_hard_link_fails)
64 {
65 scoped_test_env env;
66 const path dir = env.create_dir("dir");
67 const path dest = env.make_env_path("dest2");
68 std::error_code ec;
69
70 fs::create_hard_link(dir, dest, ec);
71 TEST_REQUIRE(ec);
72 }
73
74 TEST_SUITE_END()
75