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 copy_symlink(const path& existing_symlink, const path& new_symlink); 15 // void copy_symlink(const path& existing_symlink, const path& new_symlink, 16 // error_code& ec) noexcept; 17 18 #include "filesystem_include.hpp" 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 fs; 27 28 TEST_SUITE(filesystem_copy_symlink_test_suite) 29 30 TEST_CASE(test_signatures) 31 { 32 const path p; ((void)p); 33 std::error_code ec; ((void)ec); 34 ASSERT_NOT_NOEXCEPT(fs::copy_symlink(p, p)); 35 ASSERT_NOEXCEPT(fs::copy_symlink(p, p, ec)); 36 } 37 38 39 TEST_CASE(test_error_reporting) 40 { 41 auto checkThrow = [](path const& f, path const& t, const std::error_code& ec) 42 { 43 #ifndef TEST_HAS_NO_EXCEPTIONS 44 try { 45 fs::copy_symlink(f, t); 46 return true; 47 } catch (filesystem_error const& err) { 48 return err.path1() == f 49 && err.code() == ec; 50 } 51 #else 52 ((void)f); ((void)t); ((void)ec); 53 return true; 54 #endif 55 }; 56 57 scoped_test_env env; 58 const path file = env.create_file("file1", 42); 59 const path file2 = env.create_file("file2", 55); 60 const path sym = env.create_symlink(file, "sym"); 61 const path dir = env.create_dir("dir"); 62 const path dne = env.make_env_path("dne"); 63 { // from is a file, not a symlink 64 std::error_code ec; 65 fs::copy_symlink(file, dne, ec); 66 TEST_REQUIRE(ec); 67 TEST_CHECK(checkThrow(file, dne, ec)); 68 } 69 { // from is a file, not a symlink 70 std::error_code ec; 71 fs::copy_symlink(dir, dne, ec); 72 TEST_REQUIRE(ec); 73 TEST_CHECK(checkThrow(dir, dne, ec)); 74 } 75 { // destination exists 76 std::error_code ec; 77 fs::copy_symlink(sym, file2, ec); 78 TEST_REQUIRE(ec); 79 } 80 } 81 82 TEST_CASE(copy_symlink_basic) 83 { 84 scoped_test_env env; 85 const path dir = env.create_dir("dir"); 86 const path dir_sym = env.create_symlink(dir, "dir_sym"); 87 const path file = env.create_file("file", 42); 88 const path file_sym = env.create_symlink(file, "file_sym"); 89 { // test for directory symlinks 90 const path dest = env.make_env_path("dest1"); 91 std::error_code ec; 92 fs::copy_symlink(dir_sym, dest, ec); 93 TEST_REQUIRE(!ec); 94 TEST_CHECK(is_symlink(dest)); 95 TEST_CHECK(equivalent(dest, dir)); 96 } 97 { // test for file symlinks 98 const path dest = env.make_env_path("dest2"); 99 std::error_code ec; 100 fs::copy_symlink(file_sym, dest, ec); 101 TEST_REQUIRE(!ec); 102 TEST_CHECK(is_symlink(dest)); 103 TEST_CHECK(equivalent(dest, file)); 104 } 105 } 106 107 108 TEST_SUITE_END() 109
