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 // bool is_empty(path const& p); 15 // bool is_empty(path const& p, std::error_code& ec); 16 17 #include <experimental/filesystem> 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 #include "rapid-cxx-test.hpp" 23 #include "filesystem_test_helper.hpp" 24 25 using namespace std::experimental::filesystem; 26 27 TEST_SUITE(is_empty_test_suite) 28 29 TEST_CASE(signature_test) 30 { 31 const path p; ((void)p); 32 std::error_code ec; ((void)ec); 33 ASSERT_NOT_NOEXCEPT(is_empty(p, ec)); 34 ASSERT_NOT_NOEXCEPT(is_empty(p)); 35 } 36 37 TEST_CASE(test_exist_not_found) 38 { 39 const path p = StaticEnv::DNE; 40 std::error_code ec; 41 TEST_CHECK(is_empty(p, ec) == false); 42 TEST_CHECK(ec); 43 TEST_CHECK_THROW(filesystem_error, is_empty(p)); 44 } 45 46 TEST_CASE(test_is_empty_directory) 47 { 48 TEST_CHECK(!is_empty(StaticEnv::Dir)); 49 TEST_CHECK(!is_empty(StaticEnv::SymlinkToDir)); 50 } 51 52 TEST_CASE(test_is_empty_directory_dynamic) 53 { 54 scoped_test_env env; 55 TEST_CHECK(is_empty(env.test_root)); 56 env.create_file("foo", 42); 57 TEST_CHECK(!is_empty(env.test_root)); 58 } 59 60 TEST_CASE(test_is_empty_file) 61 { 62 TEST_CHECK(is_empty(StaticEnv::EmptyFile)); 63 TEST_CHECK(!is_empty(StaticEnv::NonEmptyFile)); 64 } 65 66 TEST_CASE(test_is_empty_fails) 67 { 68 scoped_test_env env; 69 const path dir = env.create_dir("dir"); 70 const path dir2 = env.create_dir("dir/dir2"); 71 permissions(dir, perms::none); 72 73 std::error_code ec; 74 TEST_CHECK(is_empty(dir2, ec) == false); 75 TEST_CHECK(ec); 76 77 TEST_CHECK_THROW(filesystem_error, is_empty(dir2)); 78 } 79 80 TEST_CASE(test_directory_access_denied) 81 { 82 scoped_test_env env; 83 const path dir = env.create_dir("dir"); 84 const path file1 = env.create_file("dir/file", 42); 85 permissions(dir, perms::none); 86 87 std::error_code ec = GetTestEC(); 88 TEST_CHECK(is_empty(dir, ec) == false); 89 TEST_CHECK(ec); 90 TEST_CHECK(ec != GetTestEC()); 91 92 TEST_CHECK_THROW(filesystem_error, is_empty(dir)); 93 } 94 95 96 TEST_CASE(test_fifo_fails) 97 { 98 scoped_test_env env; 99 const path fifo = env.create_fifo("fifo"); 100 101 std::error_code ec = GetTestEC(); 102 TEST_CHECK(is_empty(fifo, ec) == false); 103 TEST_CHECK(ec); 104 TEST_CHECK(ec != GetTestEC()); 105 106 TEST_CHECK_THROW(filesystem_error, is_empty(fifo)); 107 } 108 109 TEST_SUITE_END() 110
