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 // 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 <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 namespace fs = std::experimental::filesystem; 28 29 TEST_SUITE(filesystem_copy_symlink_test_suite) 30 31 TEST_CASE(test_signatures) 32 { 33 const path p; ((void)p); 34 std::error_code ec; ((void)ec); 35 ASSERT_NOT_NOEXCEPT(fs::copy_symlink(p, p)); 36 ASSERT_NOEXCEPT(fs::copy_symlink(p, p, ec)); 37 } 38 39 40 TEST_CASE(test_error_reporting) 41 { 42 auto checkThrow = [](path const& f, path const& t, const std::error_code& ec) 43 { 44 #ifndef TEST_HAS_NO_EXCEPTIONS 45 try { 46 fs::copy_symlink(f, t); 47 return true; 48 } catch (filesystem_error const& err) { 49 return err.path1() == f 50 && err.code() == ec; 51 } 52 #else 53 ((void)f); ((void)t); ((void)ec); 54 return true; 55 #endif 56 }; 57 58 scoped_test_env env; 59 const path file = env.create_file("file1", 42); 60 const path file2 = env.create_file("file2", 55); 61 const path sym = env.create_symlink(file, "sym"); 62 const path dir = env.create_dir("dir"); 63 const path dne = env.make_env_path("dne"); 64 { // from is a file, not a symlink 65 std::error_code ec; 66 fs::copy_symlink(file, dne, ec); 67 TEST_REQUIRE(ec); 68 TEST_CHECK(checkThrow(file, dne, ec)); 69 } 70 { // from is a file, not a symlink 71 std::error_code ec; 72 fs::copy_symlink(dir, dne, ec); 73 TEST_REQUIRE(ec); 74 TEST_CHECK(checkThrow(dir, dne, ec)); 75 } 76 { // destination exists 77 std::error_code ec; 78 fs::copy_symlink(sym, file2, ec); 79 TEST_REQUIRE(ec); 80 } 81 } 82 83 TEST_CASE(copy_symlink_basic) 84 { 85 scoped_test_env env; 86 const path dir = env.create_dir("dir"); 87 const path dir_sym = env.create_symlink(dir, "dir_sym"); 88 const path file = env.create_file("file", 42); 89 const path file_sym = env.create_symlink(file, "file_sym"); 90 { // test for directory symlinks 91 const path dest = env.make_env_path("dest1"); 92 std::error_code ec; 93 fs::copy_symlink(dir_sym, dest, ec); 94 TEST_REQUIRE(!ec); 95 TEST_CHECK(is_symlink(dest)); 96 TEST_CHECK(equivalent(dest, dir)); 97 } 98 { // test for file symlinks 99 const path dest = env.make_env_path("dest2"); 100 std::error_code ec; 101 fs::copy_symlink(file_sym, dest, ec); 102 TEST_REQUIRE(!ec); 103 TEST_CHECK(is_symlink(dest)); 104 TEST_CHECK(equivalent(dest, file)); 105 } 106 } 107 108 109 TEST_SUITE_END() 110
