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📁 ..
📄 Sine-1000Hz-300ms.aif(60.25 KB)
📄 __init__.py(47 B)
📄 __main__.py(41 B)
📁 __pycache__
📄 _test_multiprocessing.py(183.09 KB)
📄 allsans.pem(9.87 KB)
📄 ann_module.py(1.08 KB)
📄 ann_module2.py(519 B)
📄 ann_module3.py(448 B)
📁 audiodata
📄 audiotest.au(27.48 KB)
📄 audiotests.py(12.46 KB)
📄 audit-tests.py(8.9 KB)
📄 autotest.py(209 B)
📄 bad_coding.py(24 B)
📄 bad_coding2.py(30 B)
📄 bad_getattr.py(61 B)
📄 bad_getattr2.py(77 B)
📄 bad_getattr3.py(139 B)
📄 badcert.pem(1.88 KB)
📄 badkey.pem(2.11 KB)
📄 badsyntax_3131.py(32 B)
📄 badsyntax_future10.py(95 B)
📄 badsyntax_future3.py(172 B)
📄 badsyntax_future4.py(153 B)
📄 badsyntax_future5.py(184 B)
📄 badsyntax_future6.py(161 B)
📄 badsyntax_future7.py(196 B)
📄 badsyntax_future8.py(122 B)
📄 badsyntax_future9.py(142 B)
📄 badsyntax_pep3120.py(14 B)
📄 bisect_cmd.py(4.85 KB)
📄 bytecode_helper.py(1.56 KB)
📁 capath
📄 cfgparser.1(67 B)
📄 cfgparser.2(19.02 KB)
📄 cfgparser.3(1.55 KB)
📁 cjkencodings
📄 clinic.test(94.65 KB)
📄 cmath_testcases.txt(141.05 KB)
📄 coding20731.py(22 B)
📄 curses_tests.py(1.22 KB)
📁 data
📄 dataclass_module_1.py(837 B)
📄 dataclass_module_1_str.py(835 B)
📄 dataclass_module_2.py(756 B)
📄 dataclass_module_2_str.py(754 B)
📄 dataclass_textanno.py(126 B)
📄 datetimetester.py(239.84 KB)
📁 decimaltestdata
📄 dis_module.py(76 B)
📄 doctest_aliases.py(240 B)
📄 double_const.py(1.18 KB)
📁 dtracedata
📁 eintrdata
📄 empty.vbs(70 B)
📁 encoded_modules
📄 exception_hierarchy.txt(1.78 KB)
📄 ffdh3072.pem(2.16 KB)
📄 final_a.py(411 B)
📄 final_b.py(411 B)
📄 floating_points.txt(15.92 KB)
📄 fork_wait.py(2.53 KB)
📄 formatfloat_testcases.txt(7.45 KB)
📄 future_test1.py(229 B)
📄 future_test2.py(149 B)
📄 gdb_sample.py(153 B)
📄 good_getattr.py(198 B)
📄 idnsans.pem(9.71 KB)
📄 ieee754.txt(3.21 KB)
📁 imghdrdata
📄 imp_dummy.py(63 B)
📄 inspect_fodder.py(1.88 KB)
📄 inspect_fodder2.py(2.06 KB)
📄 keycert.passwd.pem(4.13 KB)
📄 keycert.pem(3.96 KB)
📄 keycert2.pem(3.98 KB)
📄 keycert3.pem(9.23 KB)
📄 keycert4.pem(9.24 KB)
📄 keycertecc.pem(5.5 KB)
📁 libregrtest
📄 list_tests.py(16.54 KB)
📄 lock_tests.py(28.26 KB)
📄 mailcap.txt(1.24 KB)
📄 make_ssl_certs.py(9.25 KB)
📄 mapping_tests.py(21.75 KB)
📄 math_testcases.txt(23.19 KB)
📄 memory_watchdog.py(859 B)
📄 mime.types(47.37 KB)
📄 mock_socket.py(3.53 KB)
📄 mod_generics_cache.py(1.13 KB)
📄 mp_fork_bomb.py(448 B)
📄 mp_preload.py(351 B)
📄 multibytecodec_support.py(14.17 KB)
📄 nokia.pem(1.88 KB)
📄 nosan.pem(7.54 KB)
📄 nullbytecert.pem(5.31 KB)
📄 nullcert.pem(0 B)
📄 outstanding_bugs.py(370 B)
📄 pickletester.py(135.99 KB)
📄 profilee.py(2.97 KB)
📄 pstats.pck(65.05 KB)
📄 pycacert.pem(5.53 KB)
📄 pycakey.pem(2.43 KB)
📄 pyclbr_input.py(648 B)
📄 pydoc_mod.py(713 B)
📄 pydocfodder.py(6.18 KB)
📄 pythoninfo.py(20.34 KB)
📄 randv2_32.pck(7.34 KB)
📄 randv2_64.pck(7.19 KB)
📄 randv3.pck(7.82 KB)
📄 re_tests.py(25.93 KB)
📄 recursion.tar(516 B)
📄 regrtest.py(1.34 KB)
📄 relimport.py(27 B)
📄 reperf.py(538 B)
📄 revocation.crl(800 B)
📄 sample_doctest.py(1.02 KB)
📄 sample_doctest_no_docstrings.py(227 B)
📄 sample_doctest_no_doctests.py(269 B)
📄 secp384r1.pem(256 B)
📄 selfsigned_pythontestdotnet.pem(2.08 KB)
📄 seq_tests.py(14.18 KB)
📄 sgml_input.html(8.1 KB)
📄 signalinterproctester.py(2.7 KB)
📁 sndhdrdata
📄 sortperf.py(4.69 KB)
📄 ssl_cert.pem(1.53 KB)
📄 ssl_key.passwd.pem(2.59 KB)
📄 ssl_key.pem(2.43 KB)
📄 ssl_servers.py(7.04 KB)
📄 ssltests.py(1.03 KB)
📄 string_tests.py(64.65 KB)
📁 subprocessdata
📁 support
📄 talos-2019-0758.pem(1.3 KB)
📄 test___all__.py(4.12 KB)
📄 test___future__.py(2.36 KB)
📄 test__locale.py(7.83 KB)
📄 test__opcode.py(3.03 KB)
📄 test__osx_support.py(13.66 KB)
📄 test__xxsubinterpreters.py(68.7 KB)
📄 test_abc.py(18 KB)
📄 test_abstract_numbers.py(1.49 KB)
📄 test_aifc.py(17.68 KB)
📄 test_argparse.py(172.67 KB)
📄 test_array.py(52.57 KB)
📄 test_asdl_parser.py(4.15 KB)
📄 test_ast.py(88.53 KB)
📄 test_asyncgen.py(31.44 KB)
📄 test_asynchat.py(9.28 KB)
📁 test_asyncio
📄 test_asyncore.py(25.81 KB)
📄 test_atexit.py(5.81 KB)
📄 test_audioop.py(28.24 KB)
📄 test_audit.py(4.05 KB)
📄 test_augassign.py(7.68 KB)
📄 test_base64.py(30.17 KB)
📄 test_baseexception.py(6.86 KB)
📄 test_bdb.py(41.55 KB)
📄 test_bigaddrspace.py(2.92 KB)
📄 test_bigmem.py(44.88 KB)
📄 test_binascii.py(18 KB)
📄 test_binhex.py(1.79 KB)
📄 test_binop.py(14.14 KB)
📄 test_bisect.py(13.63 KB)
📄 test_bool.py(12.48 KB)
📄 test_buffer.py(160.04 KB)
📄 test_bufio.py(2.54 KB)
📄 test_builtin.py(78.38 KB)
📄 test_bytes.py(72.23 KB)
📄 test_bz2.py(36.76 KB)
📄 test_c_locale_coercion.py(18.82 KB)
📄 test_calendar.py(48.71 KB)
📄 test_call.py(20.88 KB)
📄 test_capi.py(30.46 KB)
📄 test_cgi.py(22.15 KB)
📄 test_cgitb.py(2.5 KB)
📄 test_charmapcodec.py(1.68 KB)
📄 test_class.py(17.42 KB)
📄 test_clinic.py(21.71 KB)
📄 test_cmath.py(24.07 KB)
📄 test_cmd.py(6.1 KB)
📄 test_cmd_line.py(33.72 KB)
📄 test_cmd_line_script.py(31.46 KB)
📄 test_code.py(13.66 KB)
📄 test_code_module.py(5.51 KB)
📄 test_codeccallbacks.py(40.97 KB)
📄 test_codecencodings_cn.py(3.86 KB)
📄 test_codecencodings_hk.py(701 B)
📄 test_codecencodings_iso2022.py(1.36 KB)
📄 test_codecencodings_jp.py(4.79 KB)
📄 test_codecencodings_kr.py(2.96 KB)
📄 test_codecencodings_tw.py(681 B)
📄 test_codecmaps_cn.py(746 B)
📄 test_codecmaps_hk.py(386 B)
📄 test_codecmaps_jp.py(1.7 KB)
📄 test_codecmaps_kr.py(1.16 KB)
📄 test_codecmaps_tw.py(705 B)
📄 test_codecs.py(129.38 KB)
📄 test_codeop.py(7.97 KB)
📄 test_collections.py(83.93 KB)
📄 test_colorsys.py(3.83 KB)
📄 test_compare.py(3.82 KB)
📄 test_compile.py(36.48 KB)
📄 test_compileall.py(26.7 KB)
📄 test_complex.py(30.24 KB)
📄 test_concurrent_futures.py(44.93 KB)
📄 test_configparser.py(84.93 KB)
📄 test_contains.py(3.49 KB)
📄 test_context.py(29.33 KB)
📄 test_contextlib.py(32.54 KB)
📄 test_contextlib_async.py(14.82 KB)
📄 test_copy.py(25.81 KB)
📄 test_copyreg.py(4.39 KB)
📄 test_coroutines.py(62.52 KB)
📄 test_cprofile.py(6.33 KB)
📄 test_crashers.py(1.17 KB)
📄 test_crypt.py(3.97 KB)
📄 test_csv.py(47.77 KB)
📄 test_ctypes.py(184 B)
📄 test_curses.py(45.47 KB)
📄 test_dataclasses.py(108.8 KB)
📄 test_datetime.py(2.15 KB)
📄 test_dbm.py(6.45 KB)
📄 test_dbm_dumb.py(10.61 KB)
📄 test_dbm_gnu.py(6.22 KB)
📄 test_dbm_ndbm.py(5.05 KB)
📄 test_decimal.py(206.63 KB)
📄 test_decorators.py(9.48 KB)
📄 test_defaultdict.py(5.88 KB)
📄 test_deque.py(34.46 KB)
📄 test_descr.py(190.58 KB)
📄 test_descrtut.py(11.53 KB)
📄 test_devpoll.py(4.5 KB)
📄 test_dict.py(45 KB)
📄 test_dict_version.py(5.88 KB)
📄 test_dictcomps.py(4.42 KB)
📄 test_dictviews.py(11.68 KB)
📄 test_difflib.py(19.64 KB)
📄 test_difflib_expect.html(100.85 KB)
📄 test_dis.py(48.4 KB)
📄 test_distutils.py(375 B)
📄 test_doctest.py(98.67 KB)
📄 test_doctest.txt(300 B)
📄 test_doctest2.py(2.3 KB)
📄 test_doctest2.txt(392 B)
📄 test_doctest3.txt(82 B)
📄 test_doctest4.txt(244 B)
📄 test_docxmlrpc.py(8.67 KB)
📄 test_dtrace.py(5.23 KB)
📄 test_dummy_thread.py(9.69 KB)
📄 test_dummy_threading.py(1.7 KB)
📄 test_dynamic.py(4.29 KB)
📄 test_dynamicclassattribute.py(9.57 KB)
📄 test_eintr.py(1.32 KB)
📁 test_email
📄 test_embed.py(49.23 KB)
📄 test_ensurepip.py(9.83 KB)
📄 test_enum.py(113.68 KB)
📄 test_enumerate.py(8.46 KB)
📄 test_eof.py(1.94 KB)
📄 test_epoll.py(9.03 KB)
📄 test_errno.py(1.04 KB)
📄 test_exception_hierarchy.py(7.43 KB)
📄 test_exception_variations.py(3.86 KB)
📄 test_exceptions.py(49.81 KB)
📄 test_extcall.py(13.49 KB)
📄 test_faulthandler.py(28.13 KB)
📄 test_fcntl.py(6.21 KB)
📄 test_file.py(11.02 KB)
📄 test_file_eintr.py(10.6 KB)
📄 test_filecmp.py(8.69 KB)
📄 test_fileinput.py(37.33 KB)
📄 test_fileio.py(19.96 KB)
📄 test_finalization.py(14.66 KB)
📄 test_float.py(63.41 KB)
📄 test_flufl.py(1.32 KB)
📄 test_fnmatch.py(5.07 KB)
📄 test_fork1.py(3.67 KB)
📄 test_format.py(22.58 KB)
📄 test_fractions.py(29.83 KB)
📄 test_frame.py(5.67 KB)
📄 test_frozen.py(943 B)
📄 test_fstring.py(46.16 KB)
📄 test_ftplib.py(39.71 KB)
📄 test_funcattrs.py(13.54 KB)
📄 test_functools.py(90.59 KB)
📄 test_future.py(11.9 KB)
📄 test_future3.py(490 B)
📄 test_future4.py(222 B)
📄 test_future5.py(510 B)
📄 test_gc.py(40.49 KB)
📄 test_gdb.py(40.88 KB)
📄 test_generator_stop.py(943 B)
📄 test_generators.py(58.51 KB)
📄 test_genericclass.py(9.28 KB)
📄 test_genericpath.py(21.7 KB)
📄 test_genexps.py(7.12 KB)
📄 test_getargs2.py(50 KB)
📄 test_getopt.py(6.75 KB)
📄 test_getpass.py(6.29 KB)
📄 test_gettext.py(41.38 KB)
📄 test_glob.py(13.03 KB)
📄 test_global.py(1.31 KB)
📄 test_grammar.py(57.5 KB)
📄 test_grp.py(3.54 KB)
📄 test_gzip.py(29.9 KB)
📄 test_hash.py(11.45 KB)
📄 test_hashlib.py(39.43 KB)
📄 test_heapq.py(16.4 KB)
📄 test_hmac.py(22.24 KB)
📄 test_html.py(4.23 KB)
📄 test_htmlparser.py(33.19 KB)
📄 test_http_cookiejar.py(78.36 KB)
📄 test_http_cookies.py(18.71 KB)
📄 test_httplib.py(76.98 KB)
📄 test_httpservers.py(45.24 KB)
📄 test_idle.py(825 B)
📄 test_imaplib.py(38.95 KB)
📄 test_imghdr.py(4.66 KB)
📄 test_imp.py(17.73 KB)
📁 test_import
📁 test_importlib
📄 test_index.py(8.37 KB)
📄 test_inspect.py(151.79 KB)
📄 test_int.py(20.8 KB)
📄 test_int_literal.py(6.89 KB)
📄 test_io.py(163.94 KB)
📄 test_ioctl.py(3.2 KB)
📄 test_ipaddress.py(90.98 KB)
📄 test_isinstance.py(10.25 KB)
📄 test_iter.py(31.81 KB)
📄 test_iterlen.py(7.1 KB)
📄 test_itertools.py(101.41 KB)
📁 test_json
📄 test_keyword.py(1.23 KB)
📄 test_keywordonlyarg.py(6.85 KB)
📄 test_kqueue.py(8.76 KB)
📄 test_largefile.py(6.83 KB)
📄 test_lib2to3.py(101 B)
📄 test_linecache.py(7.79 KB)
📄 test_list.py(7.4 KB)
📄 test_listcomps.py(3.76 KB)
📄 test_lltrace.py(1012 B)
📄 test_locale.py(23.87 KB)
📄 test_logging.py(182.43 KB)
📄 test_long.py(53.21 KB)
📄 test_longexp.py(233 B)
📄 test_lzma.py(87.92 KB)
📄 test_mailbox.py(91.92 KB)
📄 test_mailcap.py(9.88 KB)
📄 test_marshal.py(20.57 KB)
📄 test_math.py(82.18 KB)
📄 test_memoryio.py(31.48 KB)
📄 test_memoryview.py(17.78 KB)
📄 test_metaclass.py(6.2 KB)
📄 test_mimetypes.py(12.14 KB)
📄 test_minidom.py(66.95 KB)
📄 test_mmap.py(29.04 KB)
📄 test_module.py(10.3 KB)
📄 test_modulefinder.py(12.2 KB)
📄 test_msilib.py(5.06 KB)
📄 test_multibytecodec.py(15.04 KB)
📄 test_multiprocessing_fork.py(477 B)
📄 test_multiprocessing_forkserver.py(392 B)
📄 test_multiprocessing_main_handling.py(11.45 KB)
📄 test_multiprocessing_spawn.py(277 B)
📄 test_named_expressions.py(16.51 KB)
📄 test_netrc.py(5.96 KB)
📄 test_nis.py(1.13 KB)
📄 test_nntplib.py(61.7 KB)
📄 test_normalization.py(3.66 KB)
📄 test_ntpath.py(35.08 KB)
📄 test_numeric_tower.py(7.18 KB)
📄 test_opcodes.py(3.61 KB)
📄 test_openpty.py(600 B)
📄 test_operator.py(23.54 KB)
📄 test_optparse.py(60.99 KB)
📄 test_ordered_dict.py(30.22 KB)
📄 test_os.py(150.53 KB)
📄 test_ossaudiodev.py(7.06 KB)
📄 test_osx_env.py(1.3 KB)
📄 test_parser.py(35.72 KB)
📄 test_pathlib.py(97.12 KB)
📄 test_pdb.py(55.36 KB)
📄 test_peepholer.py(19.41 KB)
📄 test_pickle.py(19.16 KB)
📄 test_picklebuffer.py(4.96 KB)
📄 test_pickletools.py(4.33 KB)
📄 test_pipes.py(6.59 KB)
📄 test_pkg.py(9.59 KB)
📄 test_pkgimport.py(2.67 KB)
📄 test_pkgutil.py(19.25 KB)
📄 test_platform.py(14.31 KB)
📄 test_plistlib.py(41.43 KB)
📄 test_poll.py(7.23 KB)
📄 test_popen.py(1.98 KB)
📄 test_poplib.py(16.97 KB)
📄 test_positional_only_arg.py(17.5 KB)
📄 test_posix.py(75.76 KB)
📄 test_posixpath.py(29.19 KB)
📄 test_pow.py(5.44 KB)
📄 test_pprint.py(43.85 KB)
📄 test_print.py(7.37 KB)
📄 test_profile.py(8.72 KB)
📄 test_property.py(8.77 KB)
📄 test_pstats.py(3.04 KB)
📄 test_pty.py(11.97 KB)
📄 test_pulldom.py(12.66 KB)
📄 test_pwd.py(4.17 KB)
📄 test_py_compile.py(10.78 KB)
📄 test_pyclbr.py(10 KB)
📄 test_pydoc.py(56.98 KB)
📄 test_pyexpat.py(26.54 KB)
📄 test_queue.py(20.36 KB)
📄 test_quopri.py(7.78 KB)
📄 test_raise.py(12.86 KB)
📄 test_random.py(45.59 KB)
📄 test_range.py(23.35 KB)
📄 test_re.py(106.41 KB)
📄 test_readline.py(12.95 KB)
📄 test_regrtest.py(46.36 KB)
📄 test_repl.py(3.96 KB)
📄 test_reprlib.py(15.12 KB)
📄 test_resource.py(7.02 KB)
📄 test_richcmp.py(11.91 KB)
📄 test_rlcompleter.py(6.3 KB)
📄 test_robotparser.py(10.69 KB)
📄 test_runpy.py(33.86 KB)
📄 test_sax.py(46.9 KB)
📄 test_sched.py(6.41 KB)
📄 test_scope.py(19.7 KB)
📄 test_script_helper.py(5.78 KB)
📄 test_secrets.py(4.28 KB)
📄 test_select.py(2.69 KB)
📄 test_selectors.py(17.79 KB)
📄 test_set.py(64.41 KB)
📄 test_setcomps.py(3.7 KB)
📄 test_shelve.py(6.24 KB)
📄 test_shlex.py(13.29 KB)
📄 test_shutil.py(101.55 KB)
📄 test_signal.py(46.62 KB)
📄 test_site.py(24.71 KB)
📄 test_slice.py(8.25 KB)
📄 test_smtpd.py(40.14 KB)
📄 test_smtplib.py(56.51 KB)
📄 test_smtpnet.py(2.87 KB)
📄 test_sndhdr.py(1.43 KB)
📄 test_socket.py(232.71 KB)
📄 test_socketserver.py(17.7 KB)
📄 test_sort.py(13.42 KB)
📄 test_source_encoding.py(7.89 KB)
📄 test_spwd.py(2.71 KB)
📄 test_sqlite.py(948 B)
📄 test_ssl.py(203.3 KB)
📄 test_startfile.py(1.29 KB)
📄 test_stat.py(8.3 KB)
📄 test_statistics.py(106.5 KB)
📄 test_strftime.py(7.54 KB)
📄 test_string.py(19.8 KB)
📄 test_string_literals.py(9.88 KB)
📄 test_stringprep.py(3.04 KB)
📄 test_strptime.py(34.42 KB)
📄 test_strtod.py(20.06 KB)
📄 test_struct.py(34.41 KB)
📄 test_structmembers.py(4.7 KB)
📄 test_structseq.py(3.87 KB)
📄 test_subclassinit.py(8.12 KB)
📄 test_subprocess.py(142.64 KB)
📄 test_sunau.py(6.07 KB)
📄 test_sundry.py(2.07 KB)
📄 test_super.py(9.6 KB)
📄 test_support.py(24.12 KB)
📄 test_symbol.py(2.06 KB)
📄 test_symtable.py(9.13 KB)
📄 test_syntax.py(25.75 KB)
📄 test_sys.py(55.24 KB)
📄 test_sys_setprofile.py(12.31 KB)
📄 test_sys_settrace.py(43.08 KB)
📄 test_sysconfig.py(17.01 KB)
📄 test_syslog.py(1.15 KB)
📄 test_tabnanny.py(13.44 KB)
📄 test_tarfile.py(98.31 KB)
📄 test_tcl.py(30.74 KB)
📄 test_telnetlib.py(12.7 KB)
📄 test_tempfile.py(52.57 KB)
📄 test_textwrap.py(38.84 KB)
📄 test_thread.py(8.41 KB)
📄 test_threaded_import.py(8.9 KB)
📄 test_threadedtempfile.py(1.85 KB)
📄 test_threading.py(47.52 KB)
📄 test_threading_local.py(6.09 KB)
📄 test_threadsignals.py(10.09 KB)
📄 test_time.py(38.43 KB)
📄 test_timeit.py(14.8 KB)
📄 test_timeout.py(11.19 KB)
📄 test_tix.py(756 B)
📄 test_tk.py(362 B)
📄 test_tokenize.py(63.18 KB)
📁 test_tools
📄 test_trace.py(19.89 KB)
📄 test_traceback.py(46.97 KB)
📄 test_tracemalloc.py(37.41 KB)
📄 test_ttk_guionly.py(746 B)
📄 test_ttk_textonly.py(299 B)
📄 test_tuple.py(18.85 KB)
📄 test_turtle.py(12.79 KB)
📄 test_type_comments.py(10.13 KB)
📄 test_typechecks.py(2.55 KB)
📄 test_types.py(58 KB)
📄 test_typing.py(122.05 KB)
📄 test_ucn.py(9.35 KB)
📄 test_unary.py(1.63 KB)
📄 test_unicode.py(129.94 KB)
📄 test_unicode_file.py(5.74 KB)
📄 test_unicode_file_functions.py(6.84 KB)
📄 test_unicode_identifiers.py(891 B)
📄 test_unicodedata.py(12.7 KB)
📄 test_unittest.py(286 B)
📄 test_univnewlines.py(3.83 KB)
📄 test_unpack.py(3.01 KB)
📄 test_unpack_ex.py(8.73 KB)
📄 test_urllib.py(71.24 KB)
📄 test_urllib2.py(76.95 KB)
📄 test_urllib2_localnet.py(24.24 KB)
📄 test_urllib2net.py(12.39 KB)
📄 test_urllib_response.py(1.69 KB)
📄 test_urllibnet.py(8.9 KB)
📄 test_urlparse.py(64.87 KB)
📄 test_userdict.py(7.64 KB)
📄 test_userlist.py(1.97 KB)
📄 test_userstring.py(2.4 KB)
📄 test_utf8_mode.py(9.22 KB)
📄 test_utf8source.py(1.15 KB)
📄 test_uu.py(8.02 KB)
📄 test_uuid.py(35.74 KB)
📄 test_venv.py(20.46 KB)
📄 test_wait3.py(1.16 KB)
📄 test_wait4.py(1.15 KB)
📁 test_warnings
📄 test_wave.py(6.57 KB)
📄 test_weakref.py(69.47 KB)
📄 test_weakset.py(15.03 KB)
📄 test_webbrowser.py(10.47 KB)
📄 test_winconsoleio.py(6.14 KB)
📄 test_winreg.py(21.38 KB)
📄 test_winsound.py(4.57 KB)
📄 test_with.py(25.78 KB)
📄 test_wsgiref.py(30.1 KB)
📄 test_xdrlib.py(2.17 KB)
📄 test_xml_dom_minicompat.py(4.18 KB)
📄 test_xml_etree.py(147.87 KB)
📄 test_xml_etree_c.py(8.06 KB)
📄 test_xmlrpc.py(55.96 KB)
📄 test_xmlrpc_net.py(1015 B)
📄 test_xxtestfuzz.py(670 B)
📄 test_yield_from.py(30.01 KB)
📄 test_zipapp.py(15.92 KB)
📄 test_zipfile.py(115.45 KB)
📄 test_zipfile64.py(5.8 KB)
📄 test_zipimport.py(29.28 KB)
📄 test_zipimport_support.py(10.44 KB)
📄 test_zlib.py(34.48 KB)
📄 testcodec.py(1.02 KB)
📄 testtar.tar(425 KB)
📄 tf_inherit_check.py(714 B)
📄 threaded_import_hangers.py(1.45 KB)
📄 time_hashlib.py(2.87 KB)
📄 tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt(443 B)
📄 tokenize_tests-no-coding-cookie-and-utf8-bom-sig-only.txt(302 B)
📄 tokenize_tests-utf8-coding-cookie-and-no-utf8-bom-sig.txt(421 B)
📄 tokenize_tests-utf8-coding-cookie-and-utf8-bom-sig.txt(326 B)
📄 tokenize_tests.txt(2.65 KB)
📁 tracedmodules
📄 win_console_handler.py(1.38 KB)
📁 xmltestdata
📄 xmltests.py(499 B)
📄 zip_cp437_header.zip(270 B)
📄 zipdir.zip(374 B)
📁 ziptestdata

Editing: test_memoryio.py

"""Unit tests for memory-based file-like objects.
StringIO -- for unicode strings
BytesIO -- for bytes
"""

import unittest
from test import support

import io
import _pyio as pyio
import pickle
import sys

class IntLike:
    def __init__(self, num):
        self._num = num
    def __index__(self):
        return self._num
    __int__ = __index__

class MemorySeekTestMixin:

def testInit(self):
        buf = self.buftype("1234567890")
        bytesIo = self.ioclass(buf)

def testRead(self):
        buf = self.buftype("1234567890")
        bytesIo = self.ioclass(buf)

self.assertEqual(buf[:1], bytesIo.read(1))
        self.assertEqual(buf[1:5], bytesIo.read(4))
        self.assertEqual(buf[5:], bytesIo.read(900))
        self.assertEqual(self.EOF, bytesIo.read())

def testReadNoArgs(self):
        buf = self.buftype("1234567890")
        bytesIo = self.ioclass(buf)

self.assertEqual(buf, bytesIo.read())
        self.assertEqual(self.EOF, bytesIo.read())

def testSeek(self):
        buf = self.buftype("1234567890")
        bytesIo = self.ioclass(buf)

bytesIo.read(5)
        bytesIo.seek(0)
        self.assertEqual(buf, bytesIo.read())

bytesIo.seek(3)
        self.assertEqual(buf[3:], bytesIo.read())
        self.assertRaises(TypeError, bytesIo.seek, 0.0)

def testTell(self):
        buf = self.buftype("1234567890")
        bytesIo = self.ioclass(buf)

self.assertEqual(0, bytesIo.tell())
        bytesIo.seek(5)
        self.assertEqual(5, bytesIo.tell())
        bytesIo.seek(10000)
        self.assertEqual(10000, bytesIo.tell())

class MemoryTestMixin:

def test_detach(self):
        buf = self.ioclass()
        self.assertRaises(self.UnsupportedOperation, buf.detach)

def write_ops(self, f, t):
        self.assertEqual(f.write(t("blah.")), 5)
        self.assertEqual(f.seek(0), 0)
        self.assertEqual(f.write(t("Hello.")), 6)
        self.assertEqual(f.tell(), 6)
        self.assertEqual(f.seek(5), 5)
        self.assertEqual(f.tell(), 5)
        self.assertEqual(f.write(t(" world\n\n\n")), 9)
        self.assertEqual(f.seek(0), 0)
        self.assertEqual(f.write(t("h")), 1)
        self.assertEqual(f.truncate(12), 12)
        self.assertEqual(f.tell(), 1)

def test_write(self):
        buf = self.buftype("hello world\n")
        memio = self.ioclass(buf)

self.write_ops(memio, self.buftype)
        self.assertEqual(memio.getvalue(), buf)
        memio = self.ioclass()
        self.write_ops(memio, self.buftype)
        self.assertEqual(memio.getvalue(), buf)
        self.assertRaises(TypeError, memio.write, None)
        memio.close()
        self.assertRaises(ValueError, memio.write, self.buftype(""))

def test_writelines(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass()

self.assertEqual(memio.writelines([buf] * 100), None)
        self.assertEqual(memio.getvalue(), buf * 100)
        memio.writelines([])
        self.assertEqual(memio.getvalue(), buf * 100)
        memio = self.ioclass()
        self.assertRaises(TypeError, memio.writelines, [buf] + [1])
        self.assertEqual(memio.getvalue(), buf)
        self.assertRaises(TypeError, memio.writelines, None)
        memio.close()
        self.assertRaises(ValueError, memio.writelines, [])

def test_writelines_error(self):
        memio = self.ioclass()
        def error_gen():
            yield self.buftype('spam')
            raise KeyboardInterrupt

self.assertRaises(KeyboardInterrupt, memio.writelines, error_gen())

def test_truncate(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

self.assertRaises(ValueError, memio.truncate, -1)
        self.assertRaises(ValueError, memio.truncate, IntLike(-1))
        memio.seek(6)
        self.assertEqual(memio.truncate(IntLike(8)), 8)
        self.assertEqual(memio.getvalue(), buf[:8])
        self.assertEqual(memio.truncate(), 6)
        self.assertEqual(memio.getvalue(), buf[:6])
        self.assertEqual(memio.truncate(4), 4)
        self.assertEqual(memio.getvalue(), buf[:4])
        self.assertEqual(memio.tell(), 6)
        memio.seek(0, 2)
        memio.write(buf)
        self.assertEqual(memio.getvalue(), buf[:4] + buf)
        pos = memio.tell()
        self.assertEqual(memio.truncate(None), pos)
        self.assertEqual(memio.tell(), pos)
        self.assertRaises(TypeError, memio.truncate, '0')
        memio.close()
        self.assertRaises(ValueError, memio.truncate, 0)
        self.assertRaises(ValueError, memio.truncate, IntLike(0))

def test_init(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)
        self.assertEqual(memio.getvalue(), buf)
        memio = self.ioclass(None)
        self.assertEqual(memio.getvalue(), self.EOF)
        memio.__init__(buf * 2)
        self.assertEqual(memio.getvalue(), buf * 2)
        memio.__init__(buf)
        self.assertEqual(memio.getvalue(), buf)
        self.assertRaises(TypeError, memio.__init__, [])

def test_read(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

self.assertEqual(memio.read(0), self.EOF)
        self.assertEqual(memio.read(1), buf[:1])
        self.assertEqual(memio.read(4), buf[1:5])
        self.assertEqual(memio.read(900), buf[5:])
        self.assertEqual(memio.read(), self.EOF)
        memio.seek(0)
        self.assertEqual(memio.read(IntLike(0)), self.EOF)
        self.assertEqual(memio.read(IntLike(1)), buf[:1])
        self.assertEqual(memio.read(IntLike(4)), buf[1:5])
        self.assertEqual(memio.read(IntLike(900)), buf[5:])
        memio.seek(0)
        self.assertEqual(memio.read(), buf)
        self.assertEqual(memio.read(), self.EOF)
        self.assertEqual(memio.tell(), 10)
        memio.seek(0)
        self.assertEqual(memio.read(-1), buf)
        memio.seek(0)
        self.assertEqual(memio.read(IntLike(-1)), buf)
        memio.seek(0)
        self.assertEqual(type(memio.read()), type(buf))
        memio.seek(100)
        self.assertEqual(type(memio.read()), type(buf))
        memio.seek(0)
        self.assertEqual(memio.read(None), buf)
        self.assertRaises(TypeError, memio.read, '')
        memio.seek(len(buf) + 1)
        self.assertEqual(memio.read(1), self.EOF)
        memio.seek(len(buf) + 1)
        self.assertEqual(memio.read(IntLike(1)), self.EOF)
        memio.seek(len(buf) + 1)
        self.assertEqual(memio.read(), self.EOF)
        memio.close()
        self.assertRaises(ValueError, memio.read)

def test_readline(self):
        buf = self.buftype("1234567890\n")
        memio = self.ioclass(buf * 2)

self.assertEqual(memio.readline(0), self.EOF)
        self.assertEqual(memio.readline(IntLike(0)), self.EOF)
        self.assertEqual(memio.readline(), buf)
        self.assertEqual(memio.readline(), buf)
        self.assertEqual(memio.readline(), self.EOF)
        memio.seek(0)
        self.assertEqual(memio.readline(5), buf[:5])
        self.assertEqual(memio.readline(5), buf[5:10])
        self.assertEqual(memio.readline(5), buf[10:15])
        memio.seek(0)
        self.assertEqual(memio.readline(IntLike(5)), buf[:5])
        self.assertEqual(memio.readline(IntLike(5)), buf[5:10])
        self.assertEqual(memio.readline(IntLike(5)), buf[10:15])
        memio.seek(0)
        self.assertEqual(memio.readline(-1), buf)
        memio.seek(0)
        self.assertEqual(memio.readline(IntLike(-1)), buf)
        memio.seek(0)
        self.assertEqual(memio.readline(0), self.EOF)
        self.assertEqual(memio.readline(IntLike(0)), self.EOF)
        # Issue #24989: Buffer overread
        memio.seek(len(buf) * 2 + 1)
        self.assertEqual(memio.readline(), self.EOF)

buf = self.buftype("1234567890\n")
        memio = self.ioclass((buf * 3)[:-1])
        self.assertEqual(memio.readline(), buf)
        self.assertEqual(memio.readline(), buf)
        self.assertEqual(memio.readline(), buf[:-1])
        self.assertEqual(memio.readline(), self.EOF)
        memio.seek(0)
        self.assertEqual(type(memio.readline()), type(buf))
        self.assertEqual(memio.readline(), buf)
        self.assertRaises(TypeError, memio.readline, '')
        memio.close()
        self.assertRaises(ValueError,  memio.readline)

def test_readlines(self):
        buf = self.buftype("1234567890\n")
        memio = self.ioclass(buf * 10)

self.assertEqual(memio.readlines(), [buf] * 10)
        memio.seek(5)
        self.assertEqual(memio.readlines(), [buf[5:]] + [buf] * 9)
        memio.seek(0)
        self.assertEqual(memio.readlines(15), [buf] * 2)
        memio.seek(0)
        self.assertEqual(memio.readlines(-1), [buf] * 10)
        memio.seek(0)
        self.assertEqual(memio.readlines(0), [buf] * 10)
        memio.seek(0)
        self.assertEqual(type(memio.readlines()[0]), type(buf))
        memio.seek(0)
        self.assertEqual(memio.readlines(None), [buf] * 10)
        self.assertRaises(TypeError, memio.readlines, '')
        # Issue #24989: Buffer overread
        memio.seek(len(buf) * 10 + 1)
        self.assertEqual(memio.readlines(), [])
        memio.close()
        self.assertRaises(ValueError, memio.readlines)

def test_iterator(self):
        buf = self.buftype("1234567890\n")
        memio = self.ioclass(buf * 10)

self.assertEqual(iter(memio), memio)
        self.assertTrue(hasattr(memio, '__iter__'))
        self.assertTrue(hasattr(memio, '__next__'))
        i = 0
        for line in memio:
            self.assertEqual(line, buf)
            i += 1
        self.assertEqual(i, 10)
        memio.seek(0)
        i = 0
        for line in memio:
            self.assertEqual(line, buf)
            i += 1
        self.assertEqual(i, 10)
        # Issue #24989: Buffer overread
        memio.seek(len(buf) * 10 + 1)
        self.assertEqual(list(memio), [])
        memio = self.ioclass(buf * 2)
        memio.close()
        self.assertRaises(ValueError, memio.__next__)

def test_getvalue(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

self.assertEqual(memio.getvalue(), buf)
        memio.read()
        self.assertEqual(memio.getvalue(), buf)
        self.assertEqual(type(memio.getvalue()), type(buf))
        memio = self.ioclass(buf * 1000)
        self.assertEqual(memio.getvalue()[-3:], self.buftype("890"))
        memio = self.ioclass(buf)
        memio.close()
        self.assertRaises(ValueError, memio.getvalue)

def test_seek(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

memio.read(5)
        self.assertRaises(ValueError, memio.seek, -1)
        self.assertRaises(ValueError, memio.seek, 1, -1)
        self.assertRaises(ValueError, memio.seek, 1, 3)
        self.assertEqual(memio.seek(0), 0)
        self.assertEqual(memio.seek(0, 0), 0)
        self.assertEqual(memio.read(), buf)
        self.assertEqual(memio.seek(3), 3)
        self.assertEqual(memio.seek(0, 1), 3)
        self.assertEqual(memio.read(), buf[3:])
        self.assertEqual(memio.seek(len(buf)), len(buf))
        self.assertEqual(memio.read(), self.EOF)
        memio.seek(len(buf) + 1)
        self.assertEqual(memio.read(), self.EOF)
        self.assertEqual(memio.seek(0, 2), len(buf))
        self.assertEqual(memio.read(), self.EOF)
        memio.close()
        self.assertRaises(ValueError, memio.seek, 0)

def test_overseek(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

self.assertEqual(memio.seek(len(buf) + 1), 11)
        self.assertEqual(memio.read(), self.EOF)
        self.assertEqual(memio.tell(), 11)
        self.assertEqual(memio.getvalue(), buf)
        memio.write(self.EOF)
        self.assertEqual(memio.getvalue(), buf)
        memio.write(buf)
        self.assertEqual(memio.getvalue(), buf + self.buftype('\0') + buf)

def test_tell(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

self.assertEqual(memio.tell(), 0)
        memio.seek(5)
        self.assertEqual(memio.tell(), 5)
        memio.seek(10000)
        self.assertEqual(memio.tell(), 10000)
        memio.close()
        self.assertRaises(ValueError, memio.tell)

def test_flush(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

self.assertEqual(memio.flush(), None)

def test_flags(self):
        memio = self.ioclass()

self.assertEqual(memio.writable(), True)
        self.assertEqual(memio.readable(), True)
        self.assertEqual(memio.seekable(), True)
        self.assertEqual(memio.isatty(), False)
        self.assertEqual(memio.closed, False)
        memio.close()
        self.assertRaises(ValueError, memio.writable)
        self.assertRaises(ValueError, memio.readable)
        self.assertRaises(ValueError, memio.seekable)
        self.assertRaises(ValueError, memio.isatty)
        self.assertEqual(memio.closed, True)

def test_subclassing(self):
        buf = self.buftype("1234567890")
        def test1():
            class MemIO(self.ioclass):
                pass
            m = MemIO(buf)
            return m.getvalue()
        def test2():
            class MemIO(self.ioclass):
                def __init__(me, a, b):
                    self.ioclass.__init__(me, a)
            m = MemIO(buf, None)
            return m.getvalue()
        self.assertEqual(test1(), buf)
        self.assertEqual(test2(), buf)

def test_instance_dict_leak(self):
        # Test case for issue #6242.
        # This will be caught by regrtest.py -R if this leak.
        for _ in range(100):
            memio = self.ioclass()
            memio.foo = 1

def test_pickling(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)
        memio.foo = 42
        memio.seek(2)

class PickleTestMemIO(self.ioclass):
            def __init__(me, initvalue, foo):
                self.ioclass.__init__(me, initvalue)
                me.foo = foo
            # __getnewargs__ is undefined on purpose. This checks that PEP 307
            # is used to provide pickling support.

# Pickle expects the class to be on the module level. Here we use a
        # little hack to allow the PickleTestMemIO class to derive from
        # self.ioclass without having to define all combinations explicitly on
        # the module-level.
        import __main__
        PickleTestMemIO.__module__ = '__main__'
        PickleTestMemIO.__qualname__ = PickleTestMemIO.__name__
        __main__.PickleTestMemIO = PickleTestMemIO
        submemio = PickleTestMemIO(buf, 80)
        submemio.seek(2)

# We only support pickle protocol 2 and onward since we use extended
        # __reduce__ API of PEP 307 to provide pickling support.
        for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
            for obj in (memio, submemio):
                obj2 = pickle.loads(pickle.dumps(obj, protocol=proto))
                self.assertEqual(obj.getvalue(), obj2.getvalue())
                self.assertEqual(obj.__class__, obj2.__class__)
                self.assertEqual(obj.foo, obj2.foo)
                self.assertEqual(obj.tell(), obj2.tell())
                obj2.close()
                self.assertRaises(ValueError, pickle.dumps, obj2, proto)
        del __main__.PickleTestMemIO

class PyBytesIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
    # Test _pyio.BytesIO; class also inherited for testing C implementation

UnsupportedOperation = pyio.UnsupportedOperation

@staticmethod
    def buftype(s):
        return s.encode("ascii")
    ioclass = pyio.BytesIO
    EOF = b""

def test_getbuffer(self):
        memio = self.ioclass(b"1234567890")
        buf = memio.getbuffer()
        self.assertEqual(bytes(buf), b"1234567890")
        memio.seek(5)
        buf = memio.getbuffer()
        self.assertEqual(bytes(buf), b"1234567890")
        # Trying to change the size of the BytesIO while a buffer is exported
        # raises a BufferError.
        self.assertRaises(BufferError, memio.write, b'x' * 100)
        self.assertRaises(BufferError, memio.truncate)
        self.assertRaises(BufferError, memio.close)
        self.assertFalse(memio.closed)
        # Mutating the buffer updates the BytesIO
        buf[3:6] = b"abc"
        self.assertEqual(bytes(buf), b"123abc7890")
        self.assertEqual(memio.getvalue(), b"123abc7890")
        # After the buffer gets released, we can resize and close the BytesIO
        # again
        del buf
        support.gc_collect()
        memio.truncate()
        memio.close()
        self.assertRaises(ValueError, memio.getbuffer)

def test_read1(self):
        buf = self.buftype("1234567890")
        self.assertEqual(self.ioclass(buf).read1(), buf)
        self.assertEqual(self.ioclass(buf).read1(-1), buf)

def test_readinto(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

b = bytearray(b"hello")
        self.assertEqual(memio.readinto(b), 5)
        self.assertEqual(b, b"12345")
        self.assertEqual(memio.readinto(b), 5)
        self.assertEqual(b, b"67890")
        self.assertEqual(memio.readinto(b), 0)
        self.assertEqual(b, b"67890")
        b = bytearray(b"hello world")
        memio.seek(0)
        self.assertEqual(memio.readinto(b), 10)
        self.assertEqual(b, b"1234567890d")
        b = bytearray(b"")
        memio.seek(0)
        self.assertEqual(memio.readinto(b), 0)
        self.assertEqual(b, b"")
        self.assertRaises(TypeError, memio.readinto, '')
        import array
        a = array.array('b', b"hello world")
        memio = self.ioclass(buf)
        memio.readinto(a)
        self.assertEqual(a.tobytes(), b"1234567890d")
        memio.close()
        self.assertRaises(ValueError, memio.readinto, b)
        memio = self.ioclass(b"123")
        b = bytearray()
        memio.seek(42)
        memio.readinto(b)
        self.assertEqual(b, b"")

def test_relative_seek(self):
        buf = self.buftype("1234567890")
        memio = self.ioclass(buf)

self.assertEqual(memio.seek(-1, 1), 0)
        self.assertEqual(memio.seek(3, 1), 3)
        self.assertEqual(memio.seek(-4, 1), 0)
        self.assertEqual(memio.seek(-1, 2), 9)
        self.assertEqual(memio.seek(1, 1), 10)
        self.assertEqual(memio.seek(1, 2), 11)
        memio.seek(-3, 2)
        self.assertEqual(memio.read(), buf[-3:])
        memio.seek(0)
        memio.seek(1, 1)
        self.assertEqual(memio.read(), buf[1:])

def test_unicode(self):
        memio = self.ioclass()

self.assertRaises(TypeError, self.ioclass, "1234567890")
        self.assertRaises(TypeError, memio.write, "1234567890")
        self.assertRaises(TypeError, memio.writelines, ["1234567890"])

def test_bytes_array(self):
        buf = b"1234567890"
        import array
        a = array.array('b', list(buf))
        memio = self.ioclass(a)
        self.assertEqual(memio.getvalue(), buf)
        self.assertEqual(memio.write(a), 10)
        self.assertEqual(memio.getvalue(), buf)

def test_issue5449(self):
        buf = self.buftype("1234567890")
        self.ioclass(initial_bytes=buf)
        self.assertRaises(TypeError, self.ioclass, buf, foo=None)

class TextIOTestMixin:

def test_newlines_property(self):
        memio = self.ioclass(newline=None)
        # The C StringIO decodes newlines in write() calls, but the Python
        # implementation only does when reading.  This function forces them to
        # be decoded for testing.
        def force_decode():
            memio.seek(0)
            memio.read()
        self.assertEqual(memio.newlines, None)
        memio.write("a\n")
        force_decode()
        self.assertEqual(memio.newlines, "\n")
        memio.write("b\r\n")
        force_decode()
        self.assertEqual(memio.newlines, ("\n", "\r\n"))
        memio.write("c\rd")
        force_decode()
        self.assertEqual(memio.newlines, ("\r", "\n", "\r\n"))

def test_relative_seek(self):
        memio = self.ioclass()

self.assertRaises(OSError, memio.seek, -1, 1)
        self.assertRaises(OSError, memio.seek, 3, 1)
        self.assertRaises(OSError, memio.seek, -3, 1)
        self.assertRaises(OSError, memio.seek, -1, 2)
        self.assertRaises(OSError, memio.seek, 1, 1)
        self.assertRaises(OSError, memio.seek, 1, 2)

def test_textio_properties(self):
        memio = self.ioclass()

# These are just dummy values but we nevertheless check them for fear
        # of unexpected breakage.
        self.assertIsNone(memio.encoding)
        self.assertIsNone(memio.errors)
        self.assertFalse(memio.line_buffering)

def test_newline_default(self):
        memio = self.ioclass("a\nb\r\nc\rd")
        self.assertEqual(list(memio), ["a\n", "b\r\n", "c\rd"])
        self.assertEqual(memio.getvalue(), "a\nb\r\nc\rd")

memio = self.ioclass()
        self.assertEqual(memio.write("a\nb\r\nc\rd"), 8)
        memio.seek(0)
        self.assertEqual(list(memio), ["a\n", "b\r\n", "c\rd"])
        self.assertEqual(memio.getvalue(), "a\nb\r\nc\rd")

def test_newline_none(self):
        # newline=None
        memio = self.ioclass("a\nb\r\nc\rd", newline=None)
        self.assertEqual(list(memio), ["a\n", "b\n", "c\n", "d"])
        memio.seek(0)
        self.assertEqual(memio.read(1), "a")
        self.assertEqual(memio.read(2), "\nb")
        self.assertEqual(memio.read(2), "\nc")
        self.assertEqual(memio.read(1), "\n")
        self.assertEqual(memio.getvalue(), "a\nb\nc\nd")

memio = self.ioclass(newline=None)
        self.assertEqual(2, memio.write("a\n"))
        self.assertEqual(3, memio.write("b\r\n"))
        self.assertEqual(3, memio.write("c\rd"))
        memio.seek(0)
        self.assertEqual(memio.read(), "a\nb\nc\nd")
        self.assertEqual(memio.getvalue(), "a\nb\nc\nd")

memio = self.ioclass("a\r\nb", newline=None)
        self.assertEqual(memio.read(3), "a\nb")

def test_newline_empty(self):
        # newline=""
        memio = self.ioclass("a\nb\r\nc\rd", newline="")
        self.assertEqual(list(memio), ["a\n", "b\r\n", "c\r", "d"])
        memio.seek(0)
        self.assertEqual(memio.read(4), "a\nb\r")
        self.assertEqual(memio.read(2), "\nc")
        self.assertEqual(memio.read(1), "\r")
        self.assertEqual(memio.getvalue(), "a\nb\r\nc\rd")

memio = self.ioclass(newline="")
        self.assertEqual(2, memio.write("a\n"))
        self.assertEqual(2, memio.write("b\r"))
        self.assertEqual(2, memio.write("\nc"))
        self.assertEqual(2, memio.write("\rd"))
        memio.seek(0)
        self.assertEqual(list(memio), ["a\n", "b\r\n", "c\r", "d"])
        self.assertEqual(memio.getvalue(), "a\nb\r\nc\rd")

def test_newline_lf(self):
        # newline="\n"
        memio = self.ioclass("a\nb\r\nc\rd", newline="\n")
        self.assertEqual(list(memio), ["a\n", "b\r\n", "c\rd"])
        self.assertEqual(memio.getvalue(), "a\nb\r\nc\rd")

memio = self.ioclass(newline="\n")
        self.assertEqual(memio.write("a\nb\r\nc\rd"), 8)
        memio.seek(0)
        self.assertEqual(list(memio), ["a\n", "b\r\n", "c\rd"])
        self.assertEqual(memio.getvalue(), "a\nb\r\nc\rd")

def test_newline_cr(self):
        # newline="\r"
        memio = self.ioclass("a\nb\r\nc\rd", newline="\r")
        self.assertEqual(memio.read(), "a\rb\r\rc\rd")
        memio.seek(0)
        self.assertEqual(list(memio), ["a\r", "b\r", "\r", "c\r", "d"])
        self.assertEqual(memio.getvalue(), "a\rb\r\rc\rd")

memio = self.ioclass(newline="\r")
        self.assertEqual(memio.write("a\nb\r\nc\rd"), 8)
        memio.seek(0)
        self.assertEqual(list(memio), ["a\r", "b\r", "\r", "c\r", "d"])
        memio.seek(0)
        self.assertEqual(memio.readlines(), ["a\r", "b\r", "\r", "c\r", "d"])
        self.assertEqual(memio.getvalue(), "a\rb\r\rc\rd")

def test_newline_crlf(self):
        # newline="\r\n"
        memio = self.ioclass("a\nb\r\nc\rd", newline="\r\n")
        self.assertEqual(memio.read(), "a\r\nb\r\r\nc\rd")
        memio.seek(0)
        self.assertEqual(list(memio), ["a\r\n", "b\r\r\n", "c\rd"])
        memio.seek(0)
        self.assertEqual(memio.readlines(), ["a\r\n", "b\r\r\n", "c\rd"])
        self.assertEqual(memio.getvalue(), "a\r\nb\r\r\nc\rd")

memio = self.ioclass(newline="\r\n")
        self.assertEqual(memio.write("a\nb\r\nc\rd"), 8)
        memio.seek(0)
        self.assertEqual(list(memio), ["a\r\n", "b\r\r\n", "c\rd"])
        self.assertEqual(memio.getvalue(), "a\r\nb\r\r\nc\rd")

def test_issue5265(self):
        # StringIO can duplicate newlines in universal newlines mode
        memio = self.ioclass("a\r\nb\r\n", newline=None)
        self.assertEqual(memio.read(5), "a\nb\n")
        self.assertEqual(memio.getvalue(), "a\nb\n")

def test_newline_argument(self):
        self.assertRaises(TypeError, self.ioclass, newline=b"\n")
        self.assertRaises(ValueError, self.ioclass, newline="error")
        # These should not raise an error
        for newline in (None, "", "\n", "\r", "\r\n"):
            self.ioclass(newline=newline)

class PyStringIOTest(MemoryTestMixin, MemorySeekTestMixin,
                     TextIOTestMixin, unittest.TestCase):
    buftype = str
    ioclass = pyio.StringIO
    UnsupportedOperation = pyio.UnsupportedOperation
    EOF = ""

def test_lone_surrogates(self):
        # Issue #20424
        memio = self.ioclass('\ud800')
        self.assertEqual(memio.read(), '\ud800')

memio = self.ioclass()
        memio.write('\ud800')
        self.assertEqual(memio.getvalue(), '\ud800')

class PyStringIOPickleTest(TextIOTestMixin, unittest.TestCase):
    """Test if pickle restores properly the internal state of StringIO.
    """
    buftype = str
    UnsupportedOperation = pyio.UnsupportedOperation
    EOF = ""

class ioclass(pyio.StringIO):
        def __new__(cls, *args, **kwargs):
            return pickle.loads(pickle.dumps(pyio.StringIO(*args, **kwargs)))
        def __init__(self, *args, **kwargs):
            pass

class CBytesIOTest(PyBytesIOTest):
    ioclass = io.BytesIO
    UnsupportedOperation = io.UnsupportedOperation

def test_getstate(self):
        memio = self.ioclass()
        state = memio.__getstate__()
        self.assertEqual(len(state), 3)
        bytearray(state[0]) # Check if state[0] supports the buffer interface.
        self.assertIsInstance(state[1], int)
        if state[2] is not None:
            self.assertIsInstance(state[2], dict)
        memio.close()
        self.assertRaises(ValueError, memio.__getstate__)

def test_setstate(self):
        # This checks whether __setstate__ does proper input validation.
        memio = self.ioclass()
        memio.__setstate__((b"no error", 0, None))
        memio.__setstate__((bytearray(b"no error"), 0, None))
        memio.__setstate__((b"no error", 0, {'spam': 3}))
        self.assertRaises(ValueError, memio.__setstate__, (b"", -1, None))
        self.assertRaises(TypeError, memio.__setstate__, ("unicode", 0, None))
        self.assertRaises(TypeError, memio.__setstate__, (b"", 0.0, None))
        self.assertRaises(TypeError, memio.__setstate__, (b"", 0, 0))
        self.assertRaises(TypeError, memio.__setstate__, (b"len-test", 0))
        self.assertRaises(TypeError, memio.__setstate__)
        self.assertRaises(TypeError, memio.__setstate__, 0)
        memio.close()
        self.assertRaises(ValueError, memio.__setstate__, (b"closed", 0, None))

check_sizeof = support.check_sizeof

@support.cpython_only
    def test_sizeof(self):
        basesize = support.calcobjsize('P2n2Pn')
        check = self.check_sizeof
        self.assertEqual(object.__sizeof__(io.BytesIO()), basesize)
        check(io.BytesIO(), basesize )
        n = 1000  # use a variable to prevent constant folding
        check(io.BytesIO(b'a' * n), basesize + sys.getsizeof(b'a' * n))

# Various tests of copy-on-write behaviour for BytesIO.

def _test_cow_mutation(self, mutation):
        # Common code for all BytesIO copy-on-write mutation tests.
        imm = b' ' * 1024
        old_rc = sys.getrefcount(imm)
        memio = self.ioclass(imm)
        self.assertEqual(sys.getrefcount(imm), old_rc + 1)
        mutation(memio)
        self.assertEqual(sys.getrefcount(imm), old_rc)

@support.cpython_only
    def test_cow_truncate(self):
        # Ensure truncate causes a copy.
        def mutation(memio):
            memio.truncate(1)
        self._test_cow_mutation(mutation)

@support.cpython_only
    def test_cow_write(self):
        # Ensure write that would not cause a resize still results in a copy.
        def mutation(memio):
            memio.seek(0)
            memio.write(b'foo')
        self._test_cow_mutation(mutation)

@support.cpython_only
    def test_cow_setstate(self):
        # __setstate__ should cause buffer to be released.
        memio = self.ioclass(b'foooooo')
        state = memio.__getstate__()
        def mutation(memio):
            memio.__setstate__(state)
        self._test_cow_mutation(mutation)

@support.cpython_only
    def test_cow_mutable(self):
        # BytesIO should accept only Bytes for copy-on-write sharing, since
        # arbitrary buffer-exporting objects like bytearray() aren't guaranteed
        # to be immutable.
        ba = bytearray(1024)
        old_rc = sys.getrefcount(ba)
        memio = self.ioclass(ba)
        self.assertEqual(sys.getrefcount(ba), old_rc)

class CStringIOTest(PyStringIOTest):
    ioclass = io.StringIO
    UnsupportedOperation = io.UnsupportedOperation

# XXX: For the Python version of io.StringIO, this is highly
    # dependent on the encoding used for the underlying buffer.
    def test_widechar(self):
        buf = self.buftype("\U0002030a\U00020347")
        memio = self.ioclass(buf)

self.assertEqual(memio.getvalue(), buf)
        self.assertEqual(memio.write(buf), len(buf))
        self.assertEqual(memio.tell(), len(buf))
        self.assertEqual(memio.getvalue(), buf)
        self.assertEqual(memio.write(buf), len(buf))
        self.assertEqual(memio.tell(), len(buf) * 2)
        self.assertEqual(memio.getvalue(), buf + buf)

def test_getstate(self):
        memio = self.ioclass()
        state = memio.__getstate__()
        self.assertEqual(len(state), 4)
        self.assertIsInstance(state[0], str)
        self.assertIsInstance(state[1], str)
        self.assertIsInstance(state[2], int)
        if state[3] is not None:
            self.assertIsInstance(state[3], dict)
        memio.close()
        self.assertRaises(ValueError, memio.__getstate__)

def test_setstate(self):
        # This checks whether __setstate__ does proper input validation.
        memio = self.ioclass()
        memio.__setstate__(("no error", "\n", 0, None))
        memio.__setstate__(("no error", "", 0, {'spam': 3}))
        self.assertRaises(ValueError, memio.__setstate__, ("", "f", 0, None))
        self.assertRaises(ValueError, memio.__setstate__, ("", "", -1, None))
        self.assertRaises(TypeError, memio.__setstate__, (b"", "", 0, None))
        self.assertRaises(TypeError, memio.__setstate__, ("", b"", 0, None))
        self.assertRaises(TypeError, memio.__setstate__, ("", "", 0.0, None))
        self.assertRaises(TypeError, memio.__setstate__, ("", "", 0, 0))
        self.assertRaises(TypeError, memio.__setstate__, ("len-test", 0))
        self.assertRaises(TypeError, memio.__setstate__)
        self.assertRaises(TypeError, memio.__setstate__, 0)
        memio.close()
        self.assertRaises(ValueError, memio.__setstate__, ("closed", "", 0, None))

class CStringIOPickleTest(PyStringIOPickleTest):
    UnsupportedOperation = io.UnsupportedOperation

class ioclass(io.StringIO):
        def __new__(cls, *args, **kwargs):
            return pickle.loads(pickle.dumps(io.StringIO(*args, **kwargs)))
        def __init__(self, *args, **kwargs):
            pass

if __name__ == '__main__':
    unittest.main()

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