create_hard_link.pass.cpp (2053B)
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 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 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 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 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()