1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03 10 11 // XFAIL: LIBCXX-WINDOWS-FIXME 12 13 // <filesystem> 14 15 // bool is_empty(path const& p); 16 // bool is_empty(path const& p, std::error_code& ec); 17 18 #include "filesystem_include.h" 19 #include <type_traits> 20 #include <cassert> 21 22 #include "test_macros.h" 23 #include "rapid-cxx-test.h" 24 #include "filesystem_test_helper.h" 25 26 using namespace fs; 27 28 TEST_SUITE(is_empty_test_suite) 29 30 TEST_CASE(signature_test) 31 { 32 const path p; ((void)p); 33 std::error_code ec; ((void)ec); 34 ASSERT_NOT_NOEXCEPT(is_empty(p, ec)); 35 ASSERT_NOT_NOEXCEPT(is_empty(p)); 36 } 37 38 TEST_CASE(test_exist_not_found) 39 { 40 static_test_env static_env; 41 const path p = static_env.DNE; 42 std::error_code ec; 43 TEST_CHECK(is_empty(p, ec) == false); 44 TEST_CHECK(ec); 45 TEST_CHECK_THROW(filesystem_error, is_empty(p)); 46 } 47 48 TEST_CASE(test_is_empty_directory) 49 { 50 static_test_env static_env; 51 TEST_CHECK(!is_empty(static_env.Dir)); 52 TEST_CHECK(!is_empty(static_env.SymlinkToDir)); 53 } 54 55 TEST_CASE(test_is_empty_directory_dynamic) 56 { 57 scoped_test_env env; 58 TEST_CHECK(is_empty(env.test_root)); 59 env.create_file("foo", 42); 60 TEST_CHECK(!is_empty(env.test_root)); 61 } 62 63 TEST_CASE(test_is_empty_file) 64 { 65 static_test_env static_env; 66 TEST_CHECK(is_empty(static_env.EmptyFile)); 67 TEST_CHECK(!is_empty(static_env.NonEmptyFile)); 68 } 69 70 TEST_CASE(test_is_empty_fails) 71 { 72 scoped_test_env env; 73 const path dir = env.create_dir("dir"); 74 const path dir2 = env.create_dir("dir/dir2"); 75 permissions(dir, perms::none); 76 77 std::error_code ec; 78 TEST_CHECK(is_empty(dir2, ec) == false); 79 TEST_CHECK(ec); 80 81 TEST_CHECK_THROW(filesystem_error, is_empty(dir2)); 82 } 83 84 TEST_CASE(test_directory_access_denied) 85 { 86 scoped_test_env env; 87 const path dir = env.create_dir("dir"); 88 const path file1 = env.create_file("dir/file", 42); 89 permissions(dir, perms::none); 90 91 std::error_code ec = GetTestEC(); 92 TEST_CHECK(is_empty(dir, ec) == false); 93 TEST_CHECK(ec); 94 TEST_CHECK(ec != GetTestEC()); 95 96 TEST_CHECK_THROW(filesystem_error, is_empty(dir)); 97 } 98 99 100 #ifndef _WIN32 101 TEST_CASE(test_fifo_fails) 102 { 103 scoped_test_env env; 104 const path fifo = env.create_fifo("fifo"); 105 106 std::error_code ec = GetTestEC(); 107 TEST_CHECK(is_empty(fifo, ec) == false); 108 TEST_CHECK(ec); 109 TEST_CHECK(ec != GetTestEC()); 110 111 TEST_CHECK_THROW(filesystem_error, is_empty(fifo)); 112 } 113 #endif 114 115 TEST_SUITE_END() 116