is_regular_file.pass.cpp (2291B)
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 // bool is_regular_file(file_status s) noexcept 15 // bool is_regular_file(path const& p); 16 // bool is_regular_file(path const& p, std::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(is_regular_file_test_suite) 29 30 TEST_CASE(signature_test) 31 { 32 file_status s; ((void)s); 33 const path p; ((void)p); 34 std::error_code ec; ((void)ec); 35 ASSERT_NOEXCEPT(is_regular_file(s)); 36 ASSERT_NOEXCEPT(is_regular_file(p, ec)); 37 ASSERT_NOT_NOEXCEPT(is_regular_file(p)); 38 } 39 40 TEST_CASE(is_regular_file_status_test) 41 { 42 struct TestCase { 43 file_type type; 44 bool expect; 45 }; 46 const TestCase testCases[] = { 47 {file_type::none, false}, 48 {file_type::not_found, false}, 49 {file_type::regular, true}, 50 {file_type::directory, false}, 51 {file_type::symlink, false}, 52 {file_type::block, false}, 53 {file_type::character, false}, 54 {file_type::fifo, false}, 55 {file_type::socket, false}, 56 {file_type::unknown, false} 57 }; 58 for (auto& TC : testCases) { 59 file_status s(TC.type); 60 TEST_CHECK(is_regular_file(s) == TC.expect); 61 } 62 } 63 64 TEST_CASE(test_exist_not_found) 65 { 66 const path p = StaticEnv::DNE; 67 TEST_CHECK(is_regular_file(p) == false); 68 std::error_code ec; 69 TEST_CHECK(is_regular_file(p, ec) == false); 70 TEST_CHECK(ec); 71 } 72 73 TEST_CASE(test_is_regular_file_fails) 74 { 75 scoped_test_env env; 76 const path dir = env.create_dir("dir"); 77 const path file = env.create_file("dir/file", 42); 78 permissions(dir, perms::none); 79 80 std::error_code ec; 81 TEST_CHECK(is_regular_file(file, ec) == false); 82 TEST_CHECK(ec); 83 84 TEST_CHECK_THROW(filesystem_error, is_regular_file(file)); 85 } 86 87 TEST_SUITE_END()