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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_iter.py

# Test iterators.

import sys
import unittest
from test.support import run_unittest, TESTFN, unlink, cpython_only
from test.support import check_free_after_iterating
import pickle
import collections.abc

# Test result of triple loop (too big to inline)
TRIPLETS = [(0, 0, 0), (0, 0, 1), (0, 0, 2),
            (0, 1, 0), (0, 1, 1), (0, 1, 2),
            (0, 2, 0), (0, 2, 1), (0, 2, 2),

(1, 0, 0), (1, 0, 1), (1, 0, 2),
            (1, 1, 0), (1, 1, 1), (1, 1, 2),
            (1, 2, 0), (1, 2, 1), (1, 2, 2),

(2, 0, 0), (2, 0, 1), (2, 0, 2),
            (2, 1, 0), (2, 1, 1), (2, 1, 2),
            (2, 2, 0), (2, 2, 1), (2, 2, 2)]

# Helper classes

class BasicIterClass:
    def __init__(self, n):
        self.n = n
        self.i = 0
    def __next__(self):
        res = self.i
        if res >= self.n:
            raise StopIteration
        self.i = res + 1
        return res
    def __iter__(self):
        return self

class IteratingSequenceClass:
    def __init__(self, n):
        self.n = n
    def __iter__(self):
        return BasicIterClass(self.n)

class SequenceClass:
    def __init__(self, n):
        self.n = n
    def __getitem__(self, i):
        if 0 <= i < self.n:
            return i
        else:
            raise IndexError

class UnlimitedSequenceClass:
    def __getitem__(self, i):
        return i

class DefaultIterClass:
    pass

class NoIterClass:
    def __getitem__(self, i):
        return i
    __iter__ = None

class BadIterableClass:
    def __iter__(self):
        raise ZeroDivisionError

# Main test suite

class TestCase(unittest.TestCase):

# Helper to check that an iterator returns a given sequence
    def check_iterator(self, it, seq, pickle=True):
        if pickle:
            self.check_pickle(it, seq)
        res = []
        while 1:
            try:
                val = next(it)
            except StopIteration:
                break
            res.append(val)
        self.assertEqual(res, seq)

# Helper to check that a for loop generates a given sequence
    def check_for_loop(self, expr, seq, pickle=True):
        if pickle:
            self.check_pickle(iter(expr), seq)
        res = []
        for val in expr:
            res.append(val)
        self.assertEqual(res, seq)

# Helper to check picklability
    def check_pickle(self, itorg, seq):
        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
            d = pickle.dumps(itorg, proto)
            it = pickle.loads(d)
            # Cannot assert type equality because dict iterators unpickle as list
            # iterators.
            # self.assertEqual(type(itorg), type(it))
            self.assertTrue(isinstance(it, collections.abc.Iterator))
            self.assertEqual(list(it), seq)

it = pickle.loads(d)
            try:
                next(it)
            except StopIteration:
                continue
            d = pickle.dumps(it, proto)
            it = pickle.loads(d)
            self.assertEqual(list(it), seq[1:])

# Test basic use of iter() function
    def test_iter_basic(self):
        self.check_iterator(iter(range(10)), list(range(10)))

# Test that iter(iter(x)) is the same as iter(x)
    def test_iter_idempotency(self):
        seq = list(range(10))
        it = iter(seq)
        it2 = iter(it)
        self.assertTrue(it is it2)

# Test that for loops over iterators work
    def test_iter_for_loop(self):
        self.check_for_loop(iter(range(10)), list(range(10)))

# Test several independent iterators over the same list
    def test_iter_independence(self):
        seq = range(3)
        res = []
        for i in iter(seq):
            for j in iter(seq):
                for k in iter(seq):
                    res.append((i, j, k))
        self.assertEqual(res, TRIPLETS)

# Test triple list comprehension using iterators
    def test_nested_comprehensions_iter(self):
        seq = range(3)
        res = [(i, j, k)
               for i in iter(seq) for j in iter(seq) for k in iter(seq)]
        self.assertEqual(res, TRIPLETS)

# Test triple list comprehension without iterators
    def test_nested_comprehensions_for(self):
        seq = range(3)
        res = [(i, j, k) for i in seq for j in seq for k in seq]
        self.assertEqual(res, TRIPLETS)

# Test a class with __iter__ in a for loop
    def test_iter_class_for(self):
        self.check_for_loop(IteratingSequenceClass(10), list(range(10)))

# Test a class with __iter__ with explicit iter()
    def test_iter_class_iter(self):
        self.check_iterator(iter(IteratingSequenceClass(10)), list(range(10)))

# Test for loop on a sequence class without __iter__
    def test_seq_class_for(self):
        self.check_for_loop(SequenceClass(10), list(range(10)))

# Test iter() on a sequence class without __iter__
    def test_seq_class_iter(self):
        self.check_iterator(iter(SequenceClass(10)), list(range(10)))

def test_mutating_seq_class_iter_pickle(self):
        orig = SequenceClass(5)
        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
            # initial iterator
            itorig = iter(orig)
            d = pickle.dumps((itorig, orig), proto)
            it, seq = pickle.loads(d)
            seq.n = 7
            self.assertIs(type(it), type(itorig))
            self.assertEqual(list(it), list(range(7)))

# running iterator
            next(itorig)
            d = pickle.dumps((itorig, orig), proto)
            it, seq = pickle.loads(d)
            seq.n = 7
            self.assertIs(type(it), type(itorig))
            self.assertEqual(list(it), list(range(1, 7)))

# empty iterator
            for i in range(1, 5):
                next(itorig)
            d = pickle.dumps((itorig, orig), proto)
            it, seq = pickle.loads(d)
            seq.n = 7
            self.assertIs(type(it), type(itorig))
            self.assertEqual(list(it), list(range(5, 7)))

# exhausted iterator
            self.assertRaises(StopIteration, next, itorig)
            d = pickle.dumps((itorig, orig), proto)
            it, seq = pickle.loads(d)
            seq.n = 7
            self.assertTrue(isinstance(it, collections.abc.Iterator))
            self.assertEqual(list(it), [])

def test_mutating_seq_class_exhausted_iter(self):
        a = SequenceClass(5)
        exhit = iter(a)
        empit = iter(a)
        for x in exhit:  # exhaust the iterator
            next(empit)  # not exhausted
        a.n = 7
        self.assertEqual(list(exhit), [])
        self.assertEqual(list(empit), [5, 6])
        self.assertEqual(list(a), [0, 1, 2, 3, 4, 5, 6])

# Test a new_style class with __iter__ but no next() method
    def test_new_style_iter_class(self):
        class IterClass(object):
            def __iter__(self):
                return self
        self.assertRaises(TypeError, iter, IterClass())

# Test two-argument iter() with callable instance
    def test_iter_callable(self):
        class C:
            def __init__(self):
                self.i = 0
            def __call__(self):
                i = self.i
                self.i = i + 1
                if i > 100:
                    raise IndexError # Emergency stop
                return i
        self.check_iterator(iter(C(), 10), list(range(10)), pickle=False)

# Test two-argument iter() with function
    def test_iter_function(self):
        def spam(state=[0]):
            i = state[0]
            state[0] = i+1
            return i
        self.check_iterator(iter(spam, 10), list(range(10)), pickle=False)

# Test two-argument iter() with function that raises StopIteration
    def test_iter_function_stop(self):
        def spam(state=[0]):
            i = state[0]
            if i == 10:
                raise StopIteration
            state[0] = i+1
            return i
        self.check_iterator(iter(spam, 20), list(range(10)), pickle=False)

# Test exception propagation through function iterator
    def test_exception_function(self):
        def spam(state=[0]):
            i = state[0]
            state[0] = i+1
            if i == 10:
                raise RuntimeError
            return i
        res = []
        try:
            for x in iter(spam, 20):
                res.append(x)
        except RuntimeError:
            self.assertEqual(res, list(range(10)))
        else:
            self.fail("should have raised RuntimeError")

# Test exception propagation through sequence iterator
    def test_exception_sequence(self):
        class MySequenceClass(SequenceClass):
            def __getitem__(self, i):
                if i == 10:
                    raise RuntimeError
                return SequenceClass.__getitem__(self, i)
        res = []
        try:
            for x in MySequenceClass(20):
                res.append(x)
        except RuntimeError:
            self.assertEqual(res, list(range(10)))
        else:
            self.fail("should have raised RuntimeError")

# Test for StopIteration from __getitem__
    def test_stop_sequence(self):
        class MySequenceClass(SequenceClass):
            def __getitem__(self, i):
                if i == 10:
                    raise StopIteration
                return SequenceClass.__getitem__(self, i)
        self.check_for_loop(MySequenceClass(20), list(range(10)), pickle=False)

# Test a big range
    def test_iter_big_range(self):
        self.check_for_loop(iter(range(10000)), list(range(10000)))

# Test an empty list
    def test_iter_empty(self):
        self.check_for_loop(iter([]), [])

# Test a tuple
    def test_iter_tuple(self):
        self.check_for_loop(iter((0,1,2,3,4,5,6,7,8,9)), list(range(10)))

# Test a range
    def test_iter_range(self):
        self.check_for_loop(iter(range(10)), list(range(10)))

# Test a string
    def test_iter_string(self):
        self.check_for_loop(iter("abcde"), ["a", "b", "c", "d", "e"])

# Test a directory
    def test_iter_dict(self):
        dict = {}
        for i in range(10):
            dict[i] = None
        self.check_for_loop(dict, list(dict.keys()))

# Test a file
    def test_iter_file(self):
        f = open(TESTFN, "w")
        try:
            for i in range(5):
                f.write("%d\n" % i)
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            self.check_for_loop(f, ["0\n", "1\n", "2\n", "3\n", "4\n"], pickle=False)
            self.check_for_loop(f, [], pickle=False)
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test list()'s use of iterators.
    def test_builtin_list(self):
        self.assertEqual(list(SequenceClass(5)), list(range(5)))
        self.assertEqual(list(SequenceClass(0)), [])
        self.assertEqual(list(()), [])

d = {"one": 1, "two": 2, "three": 3}
        self.assertEqual(list(d), list(d.keys()))

self.assertRaises(TypeError, list, list)
        self.assertRaises(TypeError, list, 42)

f = open(TESTFN, "w")
        try:
            for i in range(5):
                f.write("%d\n" % i)
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            self.assertEqual(list(f), ["0\n", "1\n", "2\n", "3\n", "4\n"])
            f.seek(0, 0)
            self.assertEqual(list(f),
                             ["0\n", "1\n", "2\n", "3\n", "4\n"])
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test tuples()'s use of iterators.
    def test_builtin_tuple(self):
        self.assertEqual(tuple(SequenceClass(5)), (0, 1, 2, 3, 4))
        self.assertEqual(tuple(SequenceClass(0)), ())
        self.assertEqual(tuple([]), ())
        self.assertEqual(tuple(()), ())
        self.assertEqual(tuple("abc"), ("a", "b", "c"))

d = {"one": 1, "two": 2, "three": 3}
        self.assertEqual(tuple(d), tuple(d.keys()))

self.assertRaises(TypeError, tuple, list)
        self.assertRaises(TypeError, tuple, 42)

f = open(TESTFN, "w")
        try:
            for i in range(5):
                f.write("%d\n" % i)
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            self.assertEqual(tuple(f), ("0\n", "1\n", "2\n", "3\n", "4\n"))
            f.seek(0, 0)
            self.assertEqual(tuple(f),
                             ("0\n", "1\n", "2\n", "3\n", "4\n"))
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test filter()'s use of iterators.
    def test_builtin_filter(self):
        self.assertEqual(list(filter(None, SequenceClass(5))),
                         list(range(1, 5)))
        self.assertEqual(list(filter(None, SequenceClass(0))), [])
        self.assertEqual(list(filter(None, ())), [])
        self.assertEqual(list(filter(None, "abc")), ["a", "b", "c"])

d = {"one": 1, "two": 2, "three": 3}
        self.assertEqual(list(filter(None, d)), list(d.keys()))

self.assertRaises(TypeError, filter, None, list)
        self.assertRaises(TypeError, filter, None, 42)

class Boolean:
            def __init__(self, truth):
                self.truth = truth
            def __bool__(self):
                return self.truth
        bTrue = Boolean(True)
        bFalse = Boolean(False)

class Seq:
            def __init__(self, *args):
                self.vals = args
            def __iter__(self):
                class SeqIter:
                    def __init__(self, vals):
                        self.vals = vals
                        self.i = 0
                    def __iter__(self):
                        return self
                    def __next__(self):
                        i = self.i
                        self.i = i + 1
                        if i < len(self.vals):
                            return self.vals[i]
                        else:
                            raise StopIteration
                return SeqIter(self.vals)

seq = Seq(*([bTrue, bFalse] * 25))
        self.assertEqual(list(filter(lambda x: not x, seq)), [bFalse]*25)
        self.assertEqual(list(filter(lambda x: not x, iter(seq))), [bFalse]*25)

# Test max() and min()'s use of iterators.
    def test_builtin_max_min(self):
        self.assertEqual(max(SequenceClass(5)), 4)
        self.assertEqual(min(SequenceClass(5)), 0)
        self.assertEqual(max(8, -1), 8)
        self.assertEqual(min(8, -1), -1)

d = {"one": 1, "two": 2, "three": 3}
        self.assertEqual(max(d), "two")
        self.assertEqual(min(d), "one")
        self.assertEqual(max(d.values()), 3)
        self.assertEqual(min(iter(d.values())), 1)

f = open(TESTFN, "w")
        try:
            f.write("medium line\n")
            f.write("xtra large line\n")
            f.write("itty-bitty line\n")
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            self.assertEqual(min(f), "itty-bitty line\n")
            f.seek(0, 0)
            self.assertEqual(max(f), "xtra large line\n")
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test map()'s use of iterators.
    def test_builtin_map(self):
        self.assertEqual(list(map(lambda x: x+1, SequenceClass(5))),
                         list(range(1, 6)))

d = {"one": 1, "two": 2, "three": 3}
        self.assertEqual(list(map(lambda k, d=d: (k, d[k]), d)),
                         list(d.items()))
        dkeys = list(d.keys())
        expected = [(i < len(d) and dkeys[i] or None,
                     i,
                     i < len(d) and dkeys[i] or None)
                    for i in range(3)]

f = open(TESTFN, "w")
        try:
            for i in range(10):
                f.write("xy" * i + "\n") # line i has len 2*i+1
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            self.assertEqual(list(map(len, f)), list(range(1, 21, 2)))
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test zip()'s use of iterators.
    def test_builtin_zip(self):
        self.assertEqual(list(zip()), [])
        self.assertEqual(list(zip(*[])), [])
        self.assertEqual(list(zip(*[(1, 2), 'ab'])), [(1, 'a'), (2, 'b')])

self.assertRaises(TypeError, zip, None)
        self.assertRaises(TypeError, zip, range(10), 42)
        self.assertRaises(TypeError, zip, range(10), zip)

self.assertEqual(list(zip(IteratingSequenceClass(3))),
                         [(0,), (1,), (2,)])
        self.assertEqual(list(zip(SequenceClass(3))),
                         [(0,), (1,), (2,)])

d = {"one": 1, "two": 2, "three": 3}
        self.assertEqual(list(d.items()), list(zip(d, d.values())))

# Generate all ints starting at constructor arg.
        class IntsFrom:
            def __init__(self, start):
                self.i = start

def __iter__(self):
                return self

def __next__(self):
                i = self.i
                self.i = i+1
                return i

f = open(TESTFN, "w")
        try:
            f.write("a\n" "bbb\n" "cc\n")
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            self.assertEqual(list(zip(IntsFrom(0), f, IntsFrom(-100))),
                             [(0, "a\n", -100),
                              (1, "bbb\n", -99),
                              (2, "cc\n", -98)])
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

self.assertEqual(list(zip(range(5))), [(i,) for i in range(5)])

# Classes that lie about their lengths.
        class NoGuessLen5:
            def __getitem__(self, i):
                if i >= 5:
                    raise IndexError
                return i

class Guess3Len5(NoGuessLen5):
            def __len__(self):
                return 3

class Guess30Len5(NoGuessLen5):
            def __len__(self):
                return 30

def lzip(*args):
            return list(zip(*args))

self.assertEqual(len(Guess3Len5()), 3)
        self.assertEqual(len(Guess30Len5()), 30)
        self.assertEqual(lzip(NoGuessLen5()), lzip(range(5)))
        self.assertEqual(lzip(Guess3Len5()), lzip(range(5)))
        self.assertEqual(lzip(Guess30Len5()), lzip(range(5)))

expected = [(i, i) for i in range(5)]
        for x in NoGuessLen5(), Guess3Len5(), Guess30Len5():
            for y in NoGuessLen5(), Guess3Len5(), Guess30Len5():
                self.assertEqual(lzip(x, y), expected)

def test_unicode_join_endcase(self):

# This class inserts a Unicode object into its argument's natural
        # iteration, in the 3rd position.
        class OhPhooey:
            def __init__(self, seq):
                self.it = iter(seq)
                self.i = 0

def __iter__(self):
                return self

def __next__(self):
                i = self.i
                self.i = i+1
                if i == 2:
                    return "fooled you!"
                return next(self.it)

f = open(TESTFN, "w")
        try:
            f.write("a\n" + "b\n" + "c\n")
        finally:
            f.close()

f = open(TESTFN, "r")
        # Nasty:  string.join(s) can't know whether unicode.join() is needed
        # until it's seen all of s's elements.  But in this case, f's
        # iterator cannot be restarted.  So what we're testing here is
        # whether string.join() can manage to remember everything it's seen
        # and pass that on to unicode.join().
        try:
            got = " - ".join(OhPhooey(f))
            self.assertEqual(got, "a\n - b\n - fooled you! - c\n")
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test iterators with 'x in y' and 'x not in y'.
    def test_in_and_not_in(self):
        for sc5 in IteratingSequenceClass(5), SequenceClass(5):
            for i in range(5):
                self.assertIn(i, sc5)
            for i in "abc", -1, 5, 42.42, (3, 4), [], {1: 1}, 3-12j, sc5:
                self.assertNotIn(i, sc5)

self.assertRaises(TypeError, lambda: 3 in 12)
        self.assertRaises(TypeError, lambda: 3 not in map)
        self.assertRaises(ZeroDivisionError, lambda: 3 in BadIterableClass())

d = {"one": 1, "two": 2, "three": 3, 1j: 2j}
        for k in d:
            self.assertIn(k, d)
            self.assertNotIn(k, d.values())
        for v in d.values():
            self.assertIn(v, d.values())
            self.assertNotIn(v, d)
        for k, v in d.items():
            self.assertIn((k, v), d.items())
            self.assertNotIn((v, k), d.items())

f = open(TESTFN, "w")
        try:
            f.write("a\n" "b\n" "c\n")
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            for chunk in "abc":
                f.seek(0, 0)
                self.assertNotIn(chunk, f)
                f.seek(0, 0)
                self.assertIn((chunk + "\n"), f)
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test iterators with operator.countOf (PySequence_Count).
    def test_countOf(self):
        from operator import countOf
        self.assertEqual(countOf([1,2,2,3,2,5], 2), 3)
        self.assertEqual(countOf((1,2,2,3,2,5), 2), 3)
        self.assertEqual(countOf("122325", "2"), 3)
        self.assertEqual(countOf("122325", "6"), 0)

self.assertRaises(TypeError, countOf, 42, 1)
        self.assertRaises(TypeError, countOf, countOf, countOf)

d = {"one": 3, "two": 3, "three": 3, 1j: 2j}
        for k in d:
            self.assertEqual(countOf(d, k), 1)
        self.assertEqual(countOf(d.values(), 3), 3)
        self.assertEqual(countOf(d.values(), 2j), 1)
        self.assertEqual(countOf(d.values(), 1j), 0)

f = open(TESTFN, "w")
        try:
            f.write("a\n" "b\n" "c\n" "b\n")
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            for letter, count in ("a", 1), ("b", 2), ("c", 1), ("d", 0):
                f.seek(0, 0)
                self.assertEqual(countOf(f, letter + "\n"), count)
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test iterators with operator.indexOf (PySequence_Index).
    def test_indexOf(self):
        from operator import indexOf
        self.assertEqual(indexOf([1,2,2,3,2,5], 1), 0)
        self.assertEqual(indexOf((1,2,2,3,2,5), 2), 1)
        self.assertEqual(indexOf((1,2,2,3,2,5), 3), 3)
        self.assertEqual(indexOf((1,2,2,3,2,5), 5), 5)
        self.assertRaises(ValueError, indexOf, (1,2,2,3,2,5), 0)
        self.assertRaises(ValueError, indexOf, (1,2,2,3,2,5), 6)

self.assertEqual(indexOf("122325", "2"), 1)
        self.assertEqual(indexOf("122325", "5"), 5)
        self.assertRaises(ValueError, indexOf, "122325", "6")

self.assertRaises(TypeError, indexOf, 42, 1)
        self.assertRaises(TypeError, indexOf, indexOf, indexOf)
        self.assertRaises(ZeroDivisionError, indexOf, BadIterableClass(), 1)

f = open(TESTFN, "w")
        try:
            f.write("a\n" "b\n" "c\n" "d\n" "e\n")
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            fiter = iter(f)
            self.assertEqual(indexOf(fiter, "b\n"), 1)
            self.assertEqual(indexOf(fiter, "d\n"), 1)
            self.assertEqual(indexOf(fiter, "e\n"), 0)
            self.assertRaises(ValueError, indexOf, fiter, "a\n")
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

iclass = IteratingSequenceClass(3)
        for i in range(3):
            self.assertEqual(indexOf(iclass, i), i)
        self.assertRaises(ValueError, indexOf, iclass, -1)

# Test iterators with file.writelines().
    def test_writelines(self):
        f = open(TESTFN, "w")

try:
            self.assertRaises(TypeError, f.writelines, None)
            self.assertRaises(TypeError, f.writelines, 42)

f.writelines(["1\n", "2\n"])
            f.writelines(("3\n", "4\n"))
            f.writelines({'5\n': None})
            f.writelines({})

# Try a big chunk too.
            class Iterator:
                def __init__(self, start, finish):
                    self.start = start
                    self.finish = finish
                    self.i = self.start

def __next__(self):
                    if self.i >= self.finish:
                        raise StopIteration
                    result = str(self.i) + '\n'
                    self.i += 1
                    return result

def __iter__(self):
                    return self

class Whatever:
                def __init__(self, start, finish):
                    self.start = start
                    self.finish = finish

def __iter__(self):
                    return Iterator(self.start, self.finish)

f.writelines(Whatever(6, 6+2000))
            f.close()

f = open(TESTFN)
            expected = [str(i) + "\n" for i in range(1, 2006)]
            self.assertEqual(list(f), expected)

finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

# Test iterators on RHS of unpacking assignments.
    def test_unpack_iter(self):
        a, b = 1, 2
        self.assertEqual((a, b), (1, 2))

a, b, c = IteratingSequenceClass(3)
        self.assertEqual((a, b, c), (0, 1, 2))

try:    # too many values
            a, b = IteratingSequenceClass(3)
        except ValueError:
            pass
        else:
            self.fail("should have raised ValueError")

try:    # not enough values
            a, b, c = IteratingSequenceClass(2)
        except ValueError:
            pass
        else:
            self.fail("should have raised ValueError")

try:    # not iterable
            a, b, c = len
        except TypeError:
            pass
        else:
            self.fail("should have raised TypeError")

a, b, c = {1: 42, 2: 42, 3: 42}.values()
        self.assertEqual((a, b, c), (42, 42, 42))

f = open(TESTFN, "w")
        lines = ("a\n", "bb\n", "ccc\n")
        try:
            for line in lines:
                f.write(line)
        finally:
            f.close()
        f = open(TESTFN, "r")
        try:
            a, b, c = f
            self.assertEqual((a, b, c), lines)
        finally:
            f.close()
            try:
                unlink(TESTFN)
            except OSError:
                pass

(a, b), (c,) = IteratingSequenceClass(2), {42: 24}
        self.assertEqual((a, b, c), (0, 1, 42))

@cpython_only
    def test_ref_counting_behavior(self):
        class C(object):
            count = 0
            def __new__(cls):
                cls.count += 1
                return object.__new__(cls)
            def __del__(self):
                cls = self.__class__
                assert cls.count > 0
                cls.count -= 1
        x = C()
        self.assertEqual(C.count, 1)
        del x
        self.assertEqual(C.count, 0)
        l = [C(), C(), C()]
        self.assertEqual(C.count, 3)
        try:
            a, b = iter(l)
        except ValueError:
            pass
        del l
        self.assertEqual(C.count, 0)

# Make sure StopIteration is a "sink state".
    # This tests various things that weren't sink states in Python 2.2.1,
    # plus various things that always were fine.

def test_sinkstate_list(self):
        # This used to fail
        a = list(range(5))
        b = iter(a)
        self.assertEqual(list(b), list(range(5)))
        a.extend(range(5, 10))
        self.assertEqual(list(b), [])

def test_sinkstate_tuple(self):
        a = (0, 1, 2, 3, 4)
        b = iter(a)
        self.assertEqual(list(b), list(range(5)))
        self.assertEqual(list(b), [])

def test_sinkstate_string(self):
        a = "abcde"
        b = iter(a)
        self.assertEqual(list(b), ['a', 'b', 'c', 'd', 'e'])
        self.assertEqual(list(b), [])

def test_sinkstate_sequence(self):
        # This used to fail
        a = SequenceClass(5)
        b = iter(a)
        self.assertEqual(list(b), list(range(5)))
        a.n = 10
        self.assertEqual(list(b), [])

def test_sinkstate_callable(self):
        # This used to fail
        def spam(state=[0]):
            i = state[0]
            state[0] = i+1
            if i == 10:
                raise AssertionError("shouldn't have gotten this far")
            return i
        b = iter(spam, 5)
        self.assertEqual(list(b), list(range(5)))
        self.assertEqual(list(b), [])

def test_sinkstate_dict(self):
        # XXX For a more thorough test, see towards the end of:
        # http://mail.python.org/pipermail/python-dev/2002-July/026512.html
        a = {1:1, 2:2, 0:0, 4:4, 3:3}
        for b in iter(a), a.keys(), a.items(), a.values():
            b = iter(a)
            self.assertEqual(len(list(b)), 5)
            self.assertEqual(list(b), [])

def test_sinkstate_yield(self):
        def gen():
            for i in range(5):
                yield i
        b = gen()
        self.assertEqual(list(b), list(range(5)))
        self.assertEqual(list(b), [])

def test_sinkstate_range(self):
        a = range(5)
        b = iter(a)
        self.assertEqual(list(b), list(range(5)))
        self.assertEqual(list(b), [])

def test_sinkstate_enumerate(self):
        a = range(5)
        e = enumerate(a)
        b = iter(e)
        self.assertEqual(list(b), list(zip(range(5), range(5))))
        self.assertEqual(list(b), [])

def test_3720(self):
        # Avoid a crash, when an iterator deletes its next() method.
        class BadIterator(object):
            def __iter__(self):
                return self
            def __next__(self):
                del BadIterator.__next__
                return 1

try:
            for i in BadIterator() :
                pass
        except TypeError:
            pass

def test_extending_list_with_iterator_does_not_segfault(self):
        # The code to extend a list with an iterator has a fair
        # amount of nontrivial logic in terms of guessing how
        # much memory to allocate in advance, "stealing" refs,
        # and then shrinking at the end.  This is a basic smoke
        # test for that scenario.
        def gen():
            for i in range(500):
                yield i
        lst = [0] * 500
        for i in range(240):
            lst.pop(0)
        lst.extend(gen())
        self.assertEqual(len(lst), 760)

@cpython_only
    def test_iter_overflow(self):
        # Test for the issue 22939
        it = iter(UnlimitedSequenceClass())
        # Manually set `it_index` to PY_SSIZE_T_MAX-2 without a loop
        it.__setstate__(sys.maxsize - 2)
        self.assertEqual(next(it), sys.maxsize - 2)
        self.assertEqual(next(it), sys.maxsize - 1)
        with self.assertRaises(OverflowError):
            next(it)
        # Check that Overflow error is always raised
        with self.assertRaises(OverflowError):
            next(it)

def test_iter_neg_setstate(self):
        it = iter(UnlimitedSequenceClass())
        it.__setstate__(-42)
        self.assertEqual(next(it), 0)
        self.assertEqual(next(it), 1)

def test_free_after_iterating(self):
        check_free_after_iterating(self, iter, SequenceClass, (0,))

def test_error_iter(self):
        for typ in (DefaultIterClass, NoIterClass):
            self.assertRaises(TypeError, iter, typ())
        self.assertRaises(ZeroDivisionError, iter, BadIterableClass())

def test_main():
    run_unittest(TestCase)

if __name__ == "__main__":
    test_main()

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