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Name	Size	Permission
audiodata	[ DIR ]	drwxr-xr-x
certdata	[ DIR ]	drwxr-xr-x
cjkencodings	[ DIR ]	drwxr-xr-x
configdata	[ DIR ]	drwxr-xr-x
crashers	[ DIR ]	drwxr-xr-x
data	[ DIR ]	drwxr-xr-x
decimaltestdata	[ DIR ]	drwxr-xr-x
dtracedata	[ DIR ]	drwxr-xr-x
encoded_modules	[ DIR ]	drwxr-xr-x
imghdrdata	[ DIR ]	drwxr-xr-x
leakers	[ DIR ]	drwxr-xr-x
libregrtest	[ DIR ]	drwxr-xr-x
regrtestdata	[ DIR ]	drwxr-xr-x
sndhdrdata	[ DIR ]	drwxr-xr-x
subprocessdata	[ DIR ]	drwxr-xr-x
support	[ DIR ]	drwxr-xr-x
test_asyncio	[ DIR ]	drwxr-xr-x
test_capi	[ DIR ]	drwxr-xr-x
test_concurrent_futures	[ DIR ]	drwxr-xr-x
test_cppext	[ DIR ]	drwxr-xr-x
test_ctypes	[ DIR ]	drwxr-xr-x
test_dataclasses	[ DIR ]	drwxr-xr-x
test_doctest	[ DIR ]	drwxr-xr-x
test_email	[ DIR ]	drwxr-xr-x
test_future_stmt	[ DIR ]	drwxr-xr-x
test_gdb	[ DIR ]	drwxr-xr-x
test_import	[ DIR ]	drwxr-xr-x
test_importlib	[ DIR ]	drwxr-xr-x
test_inspect	[ DIR ]	drwxr-xr-x
test_json	[ DIR ]	drwxr-xr-x
test_lib2to3	[ DIR ]	drwxr-xr-x
test_module	[ DIR ]	drwxr-xr-x
test_multiprocessing_fork	[ DIR ]	drwxr-xr-x
test_multiprocessing_forkserve...	[ DIR ]	drwxr-xr-x
test_multiprocessing_spawn	[ DIR ]	drwxr-xr-x
test_peg_generator	[ DIR ]	drwxr-xr-x
test_pydoc	[ DIR ]	drwxr-xr-x
test_sqlite3	[ DIR ]	drwxr-xr-x
test_tkinter	[ DIR ]	drwxr-xr-x
test_tomllib	[ DIR ]	drwxr-xr-x
test_tools	[ DIR ]	drwxr-xr-x
test_ttk	[ DIR ]	drwxr-xr-x
test_unittest	[ DIR ]	drwxr-xr-x
test_warnings	[ DIR ]	drwxr-xr-x
test_zipfile	[ DIR ]	drwxr-xr-x
test_zoneinfo	[ DIR ]	drwxr-xr-x
tokenizedata	[ DIR ]	drwxr-xr-x
tracedmodules	[ DIR ]	drwxr-xr-x
typinganndata	[ DIR ]	drwxr-xr-x
wheeldata	[ DIR ]	drwxr-xr-x
xmltestdata	[ DIR ]	drwxr-xr-x
ziptestdata	[ DIR ]	drwxr-xr-x
Sine-1000Hz-300ms.aif	60.25 KB	-rw-r--r--
__init__.py	47 B	-rw-r--r--
__main__.py	67 B	-rw-r--r--
_test_atexit.py	3.61 KB	-rw-r--r--
_test_eintr.py	17.75 KB	-rw-r--r--
_test_embed_set_config.py	8.64 KB	-rw-r--r--
_test_embed_structseq.py	1.99 KB	-rw-r--r--
_test_multiprocessing.py	206.66 KB	-rw-r--r--
_test_venv_multiprocessing.py	796 B	-rw-r--r--
archiver_tests.py	6.1 KB	-rw-r--r--
audiotest.au	27.48 KB	-rw-r--r--
audiotests.py	12.13 KB	-rw-r--r--
audit-tests.py	13.19 KB	-rw-r--r--
autotest.py	214 B	-rw-r--r--
badsyntax_pep3120.py	14 B	-rw-r--r--
bisect_cmd.py	5.34 KB	-rwxr-xr-x
clinic.test.c	138.59 KB	-rw-r--r--
cmath_testcases.txt	141.2 KB	-rw-r--r--
curses_tests.py	1.21 KB	-rwxr-xr-x
datetimetester.py	260.28 KB	-rw-r--r--
dis_module.py	76 B	-rw-r--r--
empty.vbs	70 B	-rw-r--r--
exception_hierarchy.txt	2.33 KB	-rw-r--r--
floating_points.txt	15.92 KB	-rw-r--r--
fork_wait.py	2.29 KB	-rw-r--r--
formatfloat_testcases.txt	7.45 KB	-rw-r--r--
ieee754.txt	3.15 KB	-rw-r--r--
levenshtein_examples.json	406.44 KB	-rw-r--r--
list_tests.py	16.64 KB	-rw-r--r--
lock_tests.py	35.48 KB	-rw-r--r--
mailcap.txt	1.24 KB	-rw-r--r--
mapping_tests.py	21.87 KB	-rw-r--r--
math_testcases.txt	23.19 KB	-rw-r--r--
memory_watchdog.py	711 B	-rw-r--r--
mime.types	47.37 KB	-rw-r--r--
mock_socket.py	3.69 KB	-rw-r--r--
mp_fork_bomb.py	448 B	-rw-r--r--
mp_preload.py	351 B	-rw-r--r--
multibytecodec_support.py	14.19 KB	-rw-r--r--
pickletester.py	143.84 KB	-rw-r--r--
profilee.py	2.97 KB	-rw-r--r--
pstats.pck	65.05 KB	-rw-r--r--
pyclbr_input.py	648 B	-rw-r--r--
pythoninfo.py	28.32 KB	-rw-r--r--
randv2_32.pck	7.34 KB	-rw-r--r--
randv2_64.pck	7.19 KB	-rw-r--r--
randv3.pck	7.82 KB	-rw-r--r--
re_tests.py	25.93 KB	-rwxr-xr-x
recursion.tar	516 B	-rw-r--r--
regrtest.py	1.27 KB	-rwxr-xr-x
relimport.py	27 B	-rw-r--r--
reperf.py	538 B	-rw-r--r--
seq_tests.py	14.96 KB	-rw-r--r--
signalinterproctester.py	3.12 KB	-rw-r--r--
ssl_servers.py	7.12 KB	-rw-r--r--
ssltests.py	1.03 KB	-rw-r--r--
string_tests.py	71.24 KB	-rw-r--r--
test___all__.py	5.04 KB	-rw-r--r--
test__locale.py	8.09 KB	-rw-r--r--
test__opcode.py	4.14 KB	-rw-r--r--
test__osx_support.py	13.62 KB	-rw-r--r--
test__xxinterpchannels.py	52.19 KB	-rw-r--r--
test__xxsubinterpreters.py	27.5 KB	-rw-r--r--
test_abc.py	23.81 KB	-rw-r--r--
test_abstract_numbers.py	5.81 KB	-rw-r--r--
test_aifc.py	17.84 KB	-rw-r--r--
test_argparse.py	189 KB	-rw-r--r--
test_array.py	55.27 KB	-rwxr-xr-x
test_asdl_parser.py	4.44 KB	-rw-r--r--
test_ast.py	140.71 KB	-rw-r--r--
test_asyncgen.py	47.39 KB	-rw-r--r--
test_atexit.py	3.2 KB	-rw-r--r--
test_audioop.py	28.32 KB	-rw-r--r--
test_audit.py	8.6 KB	-rw-r--r--
test_augassign.py	7.68 KB	-rw-r--r--
test_base64.py	35.05 KB	-rw-r--r--
test_baseexception.py	7.77 KB	-rw-r--r--
test_bdb.py	43.75 KB	-rw-r--r--
test_bigaddrspace.py	2.83 KB	-rw-r--r--
test_bigmem.py	45.01 KB	-rw-r--r--
test_binascii.py	19.35 KB	-rw-r--r--
test_binop.py	14.14 KB	-rw-r--r--
test_bisect.py	16.63 KB	-rw-r--r--
test_bool.py	14.25 KB	-rw-r--r--
test_buffer.py	171.31 KB	-rw-r--r--
test_bufio.py	2.56 KB	-rw-r--r--
test_builtin.py	95.14 KB	-rw-r--r--
test_bytes.py	80.57 KB	-rw-r--r--
test_bz2.py	42.61 KB	-rw-r--r--
test_c_locale_coercion.py	20.99 KB	-rw-r--r--
test_calendar.py	51.25 KB	-rw-r--r--
test_call.py	35.21 KB	-rw-r--r--
test_cgi.py	22.27 KB	-rw-r--r--
test_cgitb.py	2.62 KB	-rw-r--r--
test_charmapcodec.py	1.77 KB	-rw-r--r--
test_class.py	19.77 KB	-rw-r--r--
test_clinic.py	83.96 KB	-rw-r--r--
test_cmath.py	23.55 KB	-rw-r--r--
test_cmd.py	6.49 KB	-rw-r--r--
test_cmd_line.py	39.51 KB	-rw-r--r--
test_cmd_line_script.py	34.93 KB	-rw-r--r--
test_code.py	25.7 KB	-rw-r--r--
test_code_module.py	5.53 KB	-rw-r--r--
test_codeccallbacks.py	47.43 KB	-rw-r--r--
test_codecencodings_cn.py	3.86 KB	-rw-r--r--
test_codecencodings_hk.py	701 B	-rw-r--r--
test_codecencodings_iso2022.py	3.65 KB	-rw-r--r--
test_codecencodings_jp.py	4.79 KB	-rw-r--r--
test_codecencodings_kr.py	2.96 KB	-rw-r--r--
test_codecencodings_tw.py	681 B	-rw-r--r--
test_codecmaps_cn.py	746 B	-rw-r--r--
test_codecmaps_hk.py	386 B	-rw-r--r--
test_codecmaps_jp.py	1.7 KB	-rw-r--r--
test_codecmaps_kr.py	1.16 KB	-rw-r--r--
test_codecmaps_tw.py	705 B	-rw-r--r--
test_codecs.py	136.12 KB	-rw-r--r--
test_codeop.py	8.68 KB	-rw-r--r--
test_collections.py	93.47 KB	-rw-r--r--
test_colorsys.py	4.27 KB	-rw-r--r--
test_compare.py	17.46 KB	-rw-r--r--
test_compile.py	78.68 KB	-rw-r--r--
test_compileall.py	48.27 KB	-rw-r--r--
test_compiler_assemble.py	2.46 KB	-rw-r--r--
test_compiler_codegen.py	1.69 KB	-rw-r--r--
test_complex.py	35.37 KB	-rw-r--r--
test_configparser.py	85.34 KB	-rw-r--r--
test_contains.py	3.35 KB	-rw-r--r--
test_context.py	30.78 KB	-rw-r--r--
test_contextlib.py	43.12 KB	-rw-r--r--
test_contextlib_async.py	23.99 KB	-rw-r--r--
test_copy.py	26.52 KB	-rw-r--r--
test_copyreg.py	4.36 KB	-rw-r--r--
test_coroutines.py	67.47 KB	-rw-r--r--
test_cprofile.py	7.36 KB	-rw-r--r--
test_crashers.py	1.17 KB	-rw-r--r--
test_crypt.py	4.19 KB	-rw-r--r--
test_csv.py	61.27 KB	-rw-r--r--
test_curses.py	49.54 KB	-rw-r--r--
test_datetime.py	2.53 KB	-rw-r--r--
test_dbm.py	6.83 KB	-rw-r--r--
test_dbm_dumb.py	11.08 KB	-rw-r--r--
test_dbm_gnu.py	7.24 KB	-rw-r--r--
test_dbm_ndbm.py	5.91 KB	-rw-r--r--
test_decimal.py	216.13 KB	-rw-r--r--
test_decorators.py	14.63 KB	-rw-r--r--
test_defaultdict.py	6.1 KB	-rw-r--r--
test_deque.py	33.16 KB	-rw-r--r--
test_descr.py	196.13 KB	-rw-r--r--
test_descrtut.py	10.98 KB	-rw-r--r--
test_devpoll.py	4.44 KB	-rw-r--r--
test_dict.py	50.92 KB	-rw-r--r--
test_dict_version.py	6.1 KB	-rw-r--r--
test_dictcomps.py	5.15 KB	-rw-r--r--
test_dictviews.py	14.82 KB	-rw-r--r--
test_difflib.py	21.47 KB	-rw-r--r--
test_difflib_expect.html	100.85 KB	-rw-r--r--
test_dis.py	83 KB	-rw-r--r--
test_docxmlrpc.py	9.1 KB	-rw-r--r--
test_dtrace.py	7.98 KB	-rw-r--r--
test_dynamic.py	6 KB	-rw-r--r--
test_dynamicclassattribute.py	9.57 KB	-rw-r--r--
test_eintr.py	627 B	-rw-r--r--
test_embed.py	69.41 KB	-rw-r--r--
test_ensurepip.py	11.49 KB	-rw-r--r--
test_enum.py	186.78 KB	-rw-r--r--
test_enumerate.py	9.14 KB	-rw-r--r--
test_eof.py	3.1 KB	-rw-r--r--
test_epoll.py	9.4 KB	-rw-r--r--
test_errno.py	1.04 KB	-rw-r--r--
test_except_star.py	38.25 KB	-rw-r--r--
test_exception_group.py	34.03 KB	-rw-r--r--
test_exception_hierarchy.py	7.54 KB	-rw-r--r--
test_exception_variations.py	13.74 KB	-rw-r--r--
test_exceptions.py	76.46 KB	-rw-r--r--
test_extcall.py	14.69 KB	-rw-r--r--
test_faulthandler.py	30.31 KB	-rw-r--r--
test_fcntl.py	7.76 KB	-rw-r--r--
test_file.py	11.78 KB	-rw-r--r--
test_file_eintr.py	10.74 KB	-rw-r--r--
test_filecmp.py	10.33 KB	-rw-r--r--
test_fileinput.py	37.85 KB	-rw-r--r--
test_fileio.py	19.98 KB	-rw-r--r--
test_fileutils.py	951 B	-rw-r--r--
test_finalization.py	14.66 KB	-rw-r--r--
test_float.py	64.76 KB	-rw-r--r--
test_flufl.py	1.53 KB	-rw-r--r--
test_fnmatch.py	10.68 KB	-rw-r--r--
test_fork1.py	3.3 KB	-rw-r--r--
test_format.py	28.44 KB	-rw-r--r--
test_fractions.py	52.53 KB	-rw-r--r--
test_frame.py	14.04 KB	-rw-r--r--
test_frozen.py	2.2 KB	-rw-r--r--
test_fstring.py	64.71 KB	-rw-r--r--
test_ftplib.py	41.94 KB	-rw-r--r--
test_funcattrs.py	15.57 KB	-rw-r--r--
test_functools.py	109.31 KB	-rw-r--r--
test_gc.py	47.71 KB	-rw-r--r--
test_generator_stop.py	943 B	-rw-r--r--
test_generators.py	66.13 KB	-rw-r--r--
test_genericalias.py	17.78 KB	-rw-r--r--
test_genericclass.py	9.44 KB	-rw-r--r--
test_genericpath.py	22.29 KB	-rw-r--r--
test_genexps.py	7.3 KB	-rw-r--r--
test_getopt.py	6.6 KB	-rw-r--r--
test_getpass.py	6.37 KB	-rw-r--r--
test_getpath.py	44.36 KB	-rw-r--r--
test_gettext.py	35.67 KB	-rw-r--r--
test_glob.py	17.19 KB	-rw-r--r--
test_global.py	1.2 KB	-rw-r--r--
test_grammar.py	65.97 KB	-rw-r--r--
test_graphlib.py	8.31 KB	-rw-r--r--
test_grp.py	3.67 KB	-rw-r--r--
test_gzip.py	40.94 KB	-rw-r--r--
test_hash.py	12.11 KB	-rw-r--r--
test_hashlib.py	46.71 KB	-rw-r--r--
test_heapq.py	16.42 KB	-rw-r--r--
test_hmac.py	26.06 KB	-rw-r--r--
test_html.py	4.23 KB	-rw-r--r--
test_htmlparser.py	33.37 KB	-rw-r--r--
test_http_cookiejar.py	81.57 KB	-rw-r--r--
test_http_cookies.py	18.7 KB	-rw-r--r--
test_httplib.py	96.14 KB	-rw-r--r--
test_httpservers.py	56.43 KB	-rw-r--r--
test_idle.py	831 B	-rw-r--r--
test_imaplib.py	41.69 KB	-rw-r--r--
test_imghdr.py	4.81 KB	-rw-r--r--
test_index.py	8.37 KB	-rw-r--r--
test_int.py	33.34 KB	-rw-r--r--
test_int_literal.py	6.89 KB	-rw-r--r--
test_interpreters.py	32.11 KB	-rw-r--r--
test_io.py	182.76 KB	-rw-r--r--
test_ioctl.py	3.24 KB	-rw-r--r--
test_ipaddress.py	119.17 KB	-rw-r--r--
test_isinstance.py	12.95 KB	-rw-r--r--
test_iter.py	36.77 KB	-rw-r--r--
test_iterlen.py	7.1 KB	-rw-r--r--
test_itertools.py	106.61 KB	-rw-r--r--
test_keyword.py	2 KB	-rw-r--r--
test_keywordonlyarg.py	6.89 KB	-rw-r--r--
test_kqueue.py	9.36 KB	-rw-r--r--
test_largefile.py	10.17 KB	-rw-r--r--
test_launcher.py	27.23 KB	-rw-r--r--
test_linecache.py	11.04 KB	-rw-r--r--
test_list.py	8.93 KB	-rw-r--r--
test_listcomps.py	20.71 KB	-rw-r--r--
test_lltrace.py	3.71 KB	-rw-r--r--
test_locale.py	24.43 KB	-rw-r--r--
test_logging.py	241.62 KB	-rw-r--r--
test_long.py	63.33 KB	-rw-r--r--
test_longexp.py	233 B	-rw-r--r--
test_lzma.py	92.65 KB	-rw-r--r--
test_mailbox.py	93.91 KB	-rw-r--r--
test_mailcap.py	11.48 KB	-rw-r--r--
test_marshal.py	23.15 KB	-rw-r--r--
test_math.py	107.6 KB	-rw-r--r--
test_math_property.py	1.15 KB	-rw-r--r--
test_memoryio.py	32.65 KB	-rw-r--r--
test_memoryview.py	21.76 KB	-rw-r--r--
test_metaclass.py	6.19 KB	-rw-r--r--
test_mimetypes.py	15.28 KB	-rw-r--r--
test_minidom.py	68.42 KB	-rw-r--r--
test_mmap.py	38.56 KB	-rw-r--r--
test_modulefinder.py	12.21 KB	-rw-r--r--
test_monitoring.py	55.76 KB	-rw-r--r--
test_msilib.py	5.52 KB	-rw-r--r--
test_multibytecodec.py	15.79 KB	-rw-r--r--
test_multiprocessing_main_hand...	11.48 KB	-rw-r--r--
test_named_expressions.py	29.62 KB	-rw-r--r--
test_netrc.py	11.86 KB	-rw-r--r--
test_nis.py	1.25 KB	-rw-r--r--
test_nntplib.py	62.7 KB	-rw-r--r--
test_ntpath.py	52.48 KB	-rw-r--r--
test_numeric_tower.py	8 KB	-rw-r--r--
test_opcache.py	10.89 KB	-rw-r--r--
test_opcodes.py	3.62 KB	-rw-r--r--
test_openpty.py	600 B	-rw-r--r--
test_operator.py	26.72 KB	-rw-r--r--
test_optparse.py	61.02 KB	-rw-r--r--
test_ordered_dict.py	35.62 KB	-rw-r--r--
test_os.py	179.95 KB	-rw-r--r--
test_ossaudiodev.py	7.27 KB	-rw-r--r--
test_osx_env.py	1.31 KB	-rw-r--r--
test_pathlib.py	137.81 KB	-rw-r--r--
test_patma.py	86.03 KB	-rw-r--r--
test_pdb.py	86.53 KB	-rw-r--r--
test_peepholer.py	40.6 KB	-rw-r--r--
test_pep646_syntax.py	7.79 KB	-rw-r--r--
test_perf_profiler.py	11.27 KB	-rw-r--r--
test_perfmaps.py	685 B	-rw-r--r--
test_pickle.py	20.75 KB	-rw-r--r--
test_picklebuffer.py	4.99 KB	-rw-r--r--
test_pickletools.py	4.13 KB	-rw-r--r--
test_pipes.py	6.79 KB	-rw-r--r--
test_pkg.py	9.59 KB	-rw-r--r--
test_pkgutil.py	22.36 KB	-rw-r--r--
test_platform.py	21.59 KB	-rw-r--r--
test_plistlib.py	41.25 KB	-rw-r--r--
test_poll.py	7.39 KB	-rw-r--r--
test_popen.py	2.11 KB	-rw-r--r--
test_poplib.py	17.05 KB	-rw-r--r--
test_positional_only_arg.py	18.44 KB	-rw-r--r--
test_posix.py	95.07 KB	-rw-r--r--
test_posixpath.py	33.75 KB	-rw-r--r--
test_pow.py	6.38 KB	-rw-r--r--
test_pprint.py	50.59 KB	-rw-r--r--
test_print.py	7.72 KB	-rw-r--r--
test_profile.py	8.69 KB	-rw-r--r--
test_property.py	18.03 KB	-rw-r--r--
test_pstats.py	4.31 KB	-rw-r--r--
test_pty.py	16.18 KB	-rw-r--r--
test_pulldom.py	12.33 KB	-rw-r--r--
test_pwd.py	4.32 KB	-rw-r--r--
test_py_compile.py	11.93 KB	-rw-r--r--
test_pyclbr.py	10.15 KB	-rw-r--r--
test_pyexpat.py	29.35 KB	-rw-r--r--
test_queue.py	20.61 KB	-rw-r--r--
test_quopri.py	7.87 KB	-rw-r--r--
test_raise.py	13.44 KB	-rw-r--r--
test_random.py	56.69 KB	-rw-r--r--
test_range.py	26.53 KB	-rw-r--r--
test_re.py	131.37 KB	-rw-r--r--
test_readline.py	12.76 KB	-rw-r--r--
test_regrtest.py	90.02 KB	-rw-r--r--
test_repl.py	4.99 KB	-rw-r--r--
test_reprlib.py	27.77 KB	-rw-r--r--
test_resource.py	7.12 KB	-rw-r--r--
test_richcmp.py	11.95 KB	-rw-r--r--
test_rlcompleter.py	7.4 KB	-rw-r--r--
test_robotparser.py	11.02 KB	-rw-r--r--
test_runpy.py	33.95 KB	-rw-r--r--
test_sax.py	54.63 KB	-rw-r--r--
test_sched.py	7.38 KB	-rw-r--r--
test_scope.py	21.21 KB	-rw-r--r--
test_script_helper.py	5.82 KB	-rw-r--r--
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Code Editor : test_call.py

import unittest
from test.support import cpython_only, requires_limited_api, skip_on_s390x, is_wasi, Py_DEBUG
try:
    import _testcapi
except ImportError:
    _testcapi = None
import struct
import collections
import itertools
import gc
import contextlib
import sys
import types

class BadStr(str):
    def __eq__(self, other):
        return True
    def __hash__(self):
        # Guaranteed different hash
        return str.__hash__(self) ^ 3

class FunctionCalls(unittest.TestCase):

def test_kwargs_order(self):
        # bpo-34320:  **kwargs should preserve order of passed OrderedDict
        od = collections.OrderedDict([('a', 1), ('b', 2)])
        od.move_to_end('a')
        expected = list(od.items())

def fn(**kw):
            return kw

res = fn(**od)
        self.assertIsInstance(res, dict)
        self.assertEqual(list(res.items()), expected)

def test_frames_are_popped_after_failed_calls(self):
        # GH-93252: stuff blows up if we don't pop the new frame after
        # recovering from failed calls:
        def f():
            pass
        for _ in range(1000):
            try:
                f(None)
            except TypeError:
                pass
        # BOOM!

@cpython_only
class CFunctionCallsErrorMessages(unittest.TestCase):

def test_varargs0(self):
        msg = r"__contains__ takes exactly one argument $0 given$"
        self.assertRaisesRegex(TypeError, msg, {}.__contains__)

def test_varargs2(self):
        msg = r"__contains__ takes exactly one argument $2 given$"
        self.assertRaisesRegex(TypeError, msg, {}.__contains__, 0, 1)

def test_varargs3(self):
        msg = r"^from_bytes takes at most 2 positional arguments $3 given$"
        self.assertRaisesRegex(TypeError, msg, int.from_bytes, b'a', 'little', False)

def test_varargs1min(self):
        msg = r"get expected at least 1 argument, got 0"
        self.assertRaisesRegex(TypeError, msg, {}.get)

msg = r"expected 1 argument, got 0"
        self.assertRaisesRegex(TypeError, msg, {}.__delattr__)

def test_varargs2min(self):
        msg = r"getattr expected at least 2 arguments, got 0"
        self.assertRaisesRegex(TypeError, msg, getattr)

def test_varargs1max(self):
        msg = r"input expected at most 1 argument, got 2"
        self.assertRaisesRegex(TypeError, msg, input, 1, 2)

def test_varargs2max(self):
        msg = r"get expected at most 2 arguments, got 3"
        self.assertRaisesRegex(TypeError, msg, {}.get, 1, 2, 3)

def test_varargs1_kw(self):
        msg = r"__contains__ takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, {}.__contains__, x=2)

def test_varargs2_kw(self):
        msg = r"__contains__ takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, {}.__contains__, x=2, y=2)

def test_varargs3_kw(self):
        msg = r"bool takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, bool, x=2)

def test_varargs4_kw(self):
        msg = r"^list[.]index takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, [].index, x=2)

def test_varargs5_kw(self):
        msg = r"^hasattr takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, hasattr, x=2)

def test_varargs6_kw(self):
        msg = r"^getattr takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, getattr, x=2)

def test_varargs7_kw(self):
        msg = r"^next takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, next, x=2)

def test_varargs8_kw(self):
        msg = r"^_struct[.]pack takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, struct.pack, x=2)

def test_varargs9_kw(self):
        msg = r"^_struct[.]pack_into takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, struct.pack_into, x=2)

def test_varargs10_kw(self):
        msg = r"^deque[.]index takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, collections.deque().index, x=2)

def test_varargs11_kw(self):
        msg = r"^Struct[.]pack takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, struct.Struct.pack, struct.Struct(""), x=2)

def test_varargs12_kw(self):
        msg = r"^staticmethod takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, staticmethod, func=id)

def test_varargs13_kw(self):
        msg = r"^classmethod takes no keyword arguments$"
        self.assertRaisesRegex(TypeError, msg, classmethod, func=id)

def test_varargs14_kw(self):
        msg = r"^product takes at most 1 keyword argument $2 given$$"
        self.assertRaisesRegex(TypeError, msg,
                               itertools.product, 0, repeat=1, foo=2)

def test_varargs15_kw(self):
        msg = r"^ImportError takes at most 3 keyword arguments $4 given$$"
        self.assertRaisesRegex(TypeError, msg,
                               ImportError, 0, name=1, path=2, name_from=3, foo=3)

def test_varargs16_kw(self):
        msg = r"^min takes at most 2 keyword arguments $3 given$$"
        self.assertRaisesRegex(TypeError, msg,
                               min, 0, default=1, key=2, foo=3)

def test_varargs17_kw(self):
        msg = r"'foo' is an invalid keyword argument for print$"
        self.assertRaisesRegex(TypeError, msg,
                               print, 0, sep=1, end=2, file=3, flush=4, foo=5)

def test_varargs18_kw(self):
        # _PyArg_UnpackKeywordsWithVararg()
        msg = r"invalid keyword argument for print$"
        with self.assertRaisesRegex(TypeError, msg):
            print(0, 1, **{BadStr('foo'): ','})

def test_varargs19_kw(self):
        # _PyArg_UnpackKeywords()
        msg = r"invalid keyword argument for round$"
        with self.assertRaisesRegex(TypeError, msg):
            round(1.75, **{BadStr('foo'): 1})

def test_oldargs0_1(self):
        msg = r"keys takes no arguments $1 given$"
        self.assertRaisesRegex(TypeError, msg, {}.keys, 0)

def test_oldargs0_2(self):
        msg = r"keys takes no arguments $2 given$"
        self.assertRaisesRegex(TypeError, msg, {}.keys, 0, 1)

def test_oldargs0_1_kw(self):
        msg = r"keys takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, {}.keys, x=2)

def test_oldargs0_2_kw(self):
        msg = r"keys takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, {}.keys, x=2, y=2)

def test_oldargs1_0(self):
        msg = r"count takes exactly one argument $0 given$"
        self.assertRaisesRegex(TypeError, msg, [].count)

def test_oldargs1_2(self):
        msg = r"count takes exactly one argument $2 given$"
        self.assertRaisesRegex(TypeError, msg, [].count, 1, 2)

def test_oldargs1_0_kw(self):
        msg = r"count takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, [].count, x=2)

def test_oldargs1_1_kw(self):
        msg = r"count takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, [].count, {}, x=2)

def test_oldargs1_2_kw(self):
        msg = r"count takes no keyword arguments"
        self.assertRaisesRegex(TypeError, msg, [].count, x=2, y=2)

def test_object_not_callable(self):
        msg = r"^'object' object is not callable$"
        self.assertRaisesRegex(TypeError, msg, object())

def test_module_not_callable_no_suggestion_0(self):
        msg = r"^'module' object is not callable$"
        self.assertRaisesRegex(TypeError, msg, types.ModuleType("mod"))

def test_module_not_callable_no_suggestion_1(self):
        msg = r"^'module' object is not callable$"
        mod = types.ModuleType("mod")
        mod.mod = 42
        self.assertRaisesRegex(TypeError, msg, mod)

def test_module_not_callable_no_suggestion_2(self):
        msg = r"^'module' object is not callable$"
        mod = types.ModuleType("mod")
        del mod.__name__
        self.assertRaisesRegex(TypeError, msg, mod)

def test_module_not_callable_no_suggestion_3(self):
        msg = r"^'module' object is not callable$"
        mod = types.ModuleType("mod")
        mod.__name__ = 42
        self.assertRaisesRegex(TypeError, msg, mod)

def test_module_not_callable_suggestion(self):
        msg = r"^'module' object is not callable\. Did you mean: 'mod\.mod$\.\.\.$'\?$"
        mod = types.ModuleType("mod")
        mod.mod = lambda: ...
        self.assertRaisesRegex(TypeError, msg, mod)

class TestCallingConventions(unittest.TestCase):
    """Test calling using various C calling conventions (METH_*) from Python

Subclasses test several kinds of functions (module-level, methods,
    class methods static methods) using these attributes:
      obj: the object that contains tested functions (as attributes)
      expected_self: expected "self" argument to the C function

The base class tests module-level functions.
    """

def setUp(self):
        self.obj = self.expected_self = _testcapi

def test_varargs(self):
        self.assertEqual(
            self.obj.meth_varargs(1, 2, 3),
            (self.expected_self, (1, 2, 3)),
        )

def test_varargs_ext(self):
        self.assertEqual(
            self.obj.meth_varargs(*(1, 2, 3)),
            (self.expected_self, (1, 2, 3)),
        )

def test_varargs_error_kw(self):
        msg = r"meth_varargs takes no keyword arguments"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_varargs(k=1),
        )

def test_varargs_keywords(self):
        self.assertEqual(
            self.obj.meth_varargs_keywords(1, 2, a=3, b=4),
            (self.expected_self, (1, 2), {'a': 3, 'b': 4})
        )

def test_varargs_keywords_ext(self):
        self.assertEqual(
            self.obj.meth_varargs_keywords(*[1, 2], **{'a': 3, 'b': 4}),
            (self.expected_self, (1, 2), {'a': 3, 'b': 4})
        )

def test_o(self):
        self.assertEqual(self.obj.meth_o(1), (self.expected_self, 1))

def test_o_ext(self):
        self.assertEqual(self.obj.meth_o(*[1]), (self.expected_self, 1))

def test_o_error_no_arg(self):
        msg = r"meth_o takes exactly one argument $0 given$"
        self.assertRaisesRegex(TypeError, msg, self.obj.meth_o)

def test_o_error_two_args(self):
        msg = r"meth_o takes exactly one argument $2 given$"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_o(1, 2),
        )

def test_o_error_ext(self):
        msg = r"meth_o takes exactly one argument $3 given$"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_o(*(1, 2, 3)),
        )

def test_o_error_kw(self):
        msg = r"meth_o takes no keyword arguments"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_o(k=1),
        )

def test_o_error_arg_kw(self):
        msg = r"meth_o takes no keyword arguments"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_o(k=1),
        )

def test_noargs(self):
        self.assertEqual(self.obj.meth_noargs(), self.expected_self)

def test_noargs_ext(self):
        self.assertEqual(self.obj.meth_noargs(*[]), self.expected_self)

def test_noargs_error_arg(self):
        msg = r"meth_noargs takes no arguments $1 given$"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_noargs(1),
        )

def test_noargs_error_arg2(self):
        msg = r"meth_noargs takes no arguments $2 given$"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_noargs(1, 2),
        )

def test_noargs_error_ext(self):
        msg = r"meth_noargs takes no arguments $3 given$"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_noargs(*(1, 2, 3)),
        )

def test_noargs_error_kw(self):
        msg = r"meth_noargs takes no keyword arguments"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_noargs(k=1),
        )

def test_fastcall(self):
        self.assertEqual(
            self.obj.meth_fastcall(1, 2, 3),
            (self.expected_self, (1, 2, 3)),
        )

def test_fastcall_ext(self):
        self.assertEqual(
            self.obj.meth_fastcall(*(1, 2, 3)),
            (self.expected_self, (1, 2, 3)),
        )

def test_fastcall_error_kw(self):
        msg = r"meth_fastcall takes no keyword arguments"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_fastcall(k=1),
        )

def test_fastcall_keywords(self):
        self.assertEqual(
            self.obj.meth_fastcall_keywords(1, 2, a=3, b=4),
            (self.expected_self, (1, 2), {'a': 3, 'b': 4})
        )

def test_fastcall_keywords_ext(self):
        self.assertEqual(
            self.obj.meth_fastcall_keywords(*(1, 2), **{'a': 3, 'b': 4}),
            (self.expected_self, (1, 2), {'a': 3, 'b': 4})
        )

class TestCallingConventionsInstance(TestCallingConventions):
    """Test calling instance methods using various calling conventions"""

def setUp(self):
        self.obj = self.expected_self = _testcapi.MethInstance()

class TestCallingConventionsClass(TestCallingConventions):
    """Test calling class methods using various calling conventions"""

def setUp(self):
        self.obj = self.expected_self = _testcapi.MethClass

class TestCallingConventionsClassInstance(TestCallingConventions):
    """Test calling class methods on instance"""

def setUp(self):
        self.obj = _testcapi.MethClass()
        self.expected_self = _testcapi.MethClass

class TestCallingConventionsStatic(TestCallingConventions):
    """Test calling static methods using various calling conventions"""

def setUp(self):
        self.obj = _testcapi.MethStatic()
        self.expected_self = None

def pyfunc(arg1, arg2):
    return [arg1, arg2]

def pyfunc_noarg():
    return "noarg"

class PythonClass:
    def method(self, arg1, arg2):
        return [arg1, arg2]

def method_noarg(self):
        return "noarg"

@classmethod
    def class_method(cls):
        return "classmethod"

@staticmethod
    def static_method():
        return "staticmethod"

PYTHON_INSTANCE = PythonClass()

NULL_OR_EMPTY = object()

class FastCallTests(unittest.TestCase):
    """Test calling using various callables from C
    """

# Test calls with positional arguments
    CALLS_POSARGS = [
        # (func, args: tuple, result)

# Python function with 2 arguments
        (pyfunc, (1, 2), [1, 2]),

# Python function without argument
        (pyfunc_noarg, (), "noarg"),

# Python class methods
        (PythonClass.class_method, (), "classmethod"),
        (PythonClass.static_method, (), "staticmethod"),

# Python instance methods
        (PYTHON_INSTANCE.method, (1, 2), [1, 2]),
        (PYTHON_INSTANCE.method_noarg, (), "noarg"),
        (PYTHON_INSTANCE.class_method, (), "classmethod"),
        (PYTHON_INSTANCE.static_method, (), "staticmethod"),

# C callables are added later
    ]

# Test calls with positional and keyword arguments
    CALLS_KWARGS = [
        # (func, args: tuple, kwargs: dict, result)

# Python function with 2 arguments
        (pyfunc, (1,), {'arg2': 2}, [1, 2]),
        (pyfunc, (), {'arg1': 1, 'arg2': 2}, [1, 2]),

# Python instance methods
        (PYTHON_INSTANCE.method, (1,), {'arg2': 2}, [1, 2]),
        (PYTHON_INSTANCE.method, (), {'arg1': 1, 'arg2': 2}, [1, 2]),

# C callables are added later
    ]

# Add all the calling conventions and variants of C callables
    _instance = _testcapi.MethInstance()
    for obj, expected_self in (
        (_testcapi, _testcapi),  # module-level function
        (_instance, _instance),  # bound method
        (_testcapi.MethClass, _testcapi.MethClass),  # class method on class
        (_testcapi.MethClass(), _testcapi.MethClass),  # class method on inst.
        (_testcapi.MethStatic, None),  # static method
    ):
        CALLS_POSARGS.extend([
            (obj.meth_varargs, (1, 2), (expected_self, (1, 2))),
            (obj.meth_varargs_keywords,
                (1, 2), (expected_self, (1, 2), NULL_OR_EMPTY)),
            (obj.meth_fastcall, (1, 2), (expected_self, (1, 2))),
            (obj.meth_fastcall, (), (expected_self, ())),
            (obj.meth_fastcall_keywords,
                (1, 2), (expected_self, (1, 2), NULL_OR_EMPTY)),
            (obj.meth_fastcall_keywords,
                (), (expected_self, (), NULL_OR_EMPTY)),
            (obj.meth_noargs, (), expected_self),
            (obj.meth_o, (123, ), (expected_self, 123)),
        ])

CALLS_KWARGS.extend([
            (obj.meth_varargs_keywords,
                (1, 2), {'x': 'y'}, (expected_self, (1, 2), {'x': 'y'})),
            (obj.meth_varargs_keywords,
                (), {'x': 'y'}, (expected_self, (), {'x': 'y'})),
            (obj.meth_varargs_keywords,
                (1, 2), {}, (expected_self, (1, 2), NULL_OR_EMPTY)),
            (obj.meth_fastcall_keywords,
                (1, 2), {'x': 'y'}, (expected_self, (1, 2), {'x': 'y'})),
            (obj.meth_fastcall_keywords,
                (), {'x': 'y'}, (expected_self, (), {'x': 'y'})),
            (obj.meth_fastcall_keywords,
                (1, 2), {}, (expected_self, (1, 2), NULL_OR_EMPTY)),
        ])

def check_result(self, result, expected):
        if isinstance(expected, tuple) and expected[-1] is NULL_OR_EMPTY:
            if result[-1] in ({}, None):
                expected = (*expected[:-1], result[-1])
        self.assertEqual(result, expected)

def test_fastcall(self):
        # Test _PyObject_FastCall()

for func, args, expected in self.CALLS_POSARGS:
            with self.subTest(func=func, args=args):
                result = _testcapi.pyobject_fastcall(func, args)
                self.check_result(result, expected)

if not args:
                    # args=NULL, nargs=0
                    result = _testcapi.pyobject_fastcall(func, None)
                    self.check_result(result, expected)

def test_vectorcall_dict(self):
        # Test PyObject_VectorcallDict()

for func, args, expected in self.CALLS_POSARGS:
            with self.subTest(func=func, args=args):
                # kwargs=NULL
                result = _testcapi.pyobject_fastcalldict(func, args, None)
                self.check_result(result, expected)

if not args:
                    # args=NULL, nargs=0, kwargs=NULL
                    result = _testcapi.pyobject_fastcalldict(func, None, None)
                    self.check_result(result, expected)

for func, args, kwargs, expected in self.CALLS_KWARGS:
            with self.subTest(func=func, args=args, kwargs=kwargs):
                result = _testcapi.pyobject_fastcalldict(func, args, kwargs)
                self.check_result(result, expected)

def test_vectorcall(self):
        # Test PyObject_Vectorcall()

for func, args, expected in self.CALLS_POSARGS:
            with self.subTest(func=func, args=args):
                # kwnames=NULL
                result = _testcapi.pyobject_vectorcall(func, args, None)
                self.check_result(result, expected)

# kwnames=()
                result = _testcapi.pyobject_vectorcall(func, args, ())
                self.check_result(result, expected)

if not args:
                    # kwnames=NULL
                    result = _testcapi.pyobject_vectorcall(func, None, None)
                    self.check_result(result, expected)

# kwnames=()
                    result = _testcapi.pyobject_vectorcall(func, None, ())
                    self.check_result(result, expected)

for func, args, kwargs, expected in self.CALLS_KWARGS:
            with self.subTest(func=func, args=args, kwargs=kwargs):
                kwnames = tuple(kwargs.keys())
                args = args + tuple(kwargs.values())
                result = _testcapi.pyobject_vectorcall(func, args, kwnames)
                self.check_result(result, expected)

def test_fastcall_clearing_dict(self):
        # Test bpo-36907: the point of the test is just checking that this
        # does not crash.
        class IntWithDict:
            __slots__ = ["kwargs"]
            def __init__(self, **kwargs):
                self.kwargs = kwargs
            def __index__(self):
                self.kwargs.clear()
                gc.collect()
                return 0
        x = IntWithDict(optimize=IntWithDict())
        # We test the argument handling of "compile" here, the compilation
        # itself is not relevant. When we pass flags=x below, x.__index__() is
        # called, which changes the keywords dict.
        compile("pass", "", "exec", x, **x.kwargs)

Py_TPFLAGS_HAVE_VECTORCALL = 1 << 11
Py_TPFLAGS_METHOD_DESCRIPTOR = 1 << 17

def testfunction(self):
    """some doc"""
    return self

def testfunction_kw(self, *, kw):
    """some doc"""
    return self

ADAPTIVE_WARMUP_DELAY = 2

class TestPEP590(unittest.TestCase):

def test_method_descriptor_flag(self):
        import functools
        cached = functools.lru_cache(1)(testfunction)

self.assertFalse(type(repr).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)
        self.assertTrue(type(list.append).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)
        self.assertTrue(type(list.__add__).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)
        self.assertTrue(type(testfunction).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)
        self.assertTrue(type(cached).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)

self.assertTrue(_testcapi.MethodDescriptorBase.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)
        self.assertTrue(_testcapi.MethodDescriptorDerived.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)
        self.assertFalse(_testcapi.MethodDescriptorNopGet.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)

# Mutable heap types should not inherit Py_TPFLAGS_METHOD_DESCRIPTOR
        class MethodDescriptorHeap(_testcapi.MethodDescriptorBase):
            pass
        self.assertFalse(MethodDescriptorHeap.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR)

def test_vectorcall_flag(self):
        self.assertTrue(_testcapi.MethodDescriptorBase.__flags__ & Py_TPFLAGS_HAVE_VECTORCALL)
        self.assertTrue(_testcapi.MethodDescriptorDerived.__flags__ & Py_TPFLAGS_HAVE_VECTORCALL)
        self.assertFalse(_testcapi.MethodDescriptorNopGet.__flags__ & Py_TPFLAGS_HAVE_VECTORCALL)
        self.assertTrue(_testcapi.MethodDescriptor2.__flags__ & Py_TPFLAGS_HAVE_VECTORCALL)

# Mutable heap types should inherit Py_TPFLAGS_HAVE_VECTORCALL,
        # but should lose it when __call__ is overridden
        class MethodDescriptorHeap(_testcapi.MethodDescriptorBase):
            pass
        self.assertTrue(MethodDescriptorHeap.__flags__ & Py_TPFLAGS_HAVE_VECTORCALL)
        MethodDescriptorHeap.__call__ = print
        self.assertFalse(MethodDescriptorHeap.__flags__ & Py_TPFLAGS_HAVE_VECTORCALL)

# Mutable heap types should not inherit Py_TPFLAGS_HAVE_VECTORCALL if
        # they define __call__ directly
        class MethodDescriptorHeap(_testcapi.MethodDescriptorBase):
            def __call__(self):
                pass
        self.assertFalse(MethodDescriptorHeap.__flags__ & Py_TPFLAGS_HAVE_VECTORCALL)

def test_vectorcall_override(self):
        # Check that tp_call can correctly override vectorcall.
        # MethodDescriptorNopGet implements tp_call but it inherits from
        # MethodDescriptorBase, which implements vectorcall. Since
        # MethodDescriptorNopGet returns the args tuple when called, we check
        # additionally that no new tuple is created for this call.
        args = tuple(range(5))
        f = _testcapi.MethodDescriptorNopGet()
        self.assertIs(f(*args), args)

def test_vectorcall_override_on_mutable_class(self):
        """Setting __call__ should disable vectorcall"""
        TestType = _testcapi.make_vectorcall_class()
        instance = TestType()
        self.assertEqual(instance(), "tp_call")
        instance.set_vectorcall(TestType)
        self.assertEqual(instance(), "vectorcall")  # assume vectorcall is used
        TestType.__call__ = lambda self: "custom"
        self.assertEqual(instance(), "custom")

def test_vectorcall_override_with_subclass(self):
        """Setting __call__ on a superclass should disable vectorcall"""
        SuperType = _testcapi.make_vectorcall_class()
        class DerivedType(SuperType):
            pass

instance = DerivedType()

# Derived types with its own vectorcall should be unaffected
        UnaffectedType1 = _testcapi.make_vectorcall_class(DerivedType)
        UnaffectedType2 = _testcapi.make_vectorcall_class(SuperType)

# Aside: Quickly check that the C helper actually made derived types
        self.assertTrue(issubclass(UnaffectedType1, DerivedType))
        self.assertTrue(issubclass(UnaffectedType2, SuperType))

# Initial state: tp_call
        self.assertEqual(instance(), "tp_call")
        self.assertEqual(_testcapi.has_vectorcall_flag(SuperType), True)
        self.assertEqual(_testcapi.has_vectorcall_flag(DerivedType), True)
        self.assertEqual(_testcapi.has_vectorcall_flag(UnaffectedType1), True)
        self.assertEqual(_testcapi.has_vectorcall_flag(UnaffectedType2), True)

# Setting the vectorcall function
        instance.set_vectorcall(SuperType)

self.assertEqual(instance(), "vectorcall")
        self.assertEqual(_testcapi.has_vectorcall_flag(SuperType), True)
        self.assertEqual(_testcapi.has_vectorcall_flag(DerivedType), True)
        self.assertEqual(_testcapi.has_vectorcall_flag(UnaffectedType1), True)
        self.assertEqual(_testcapi.has_vectorcall_flag(UnaffectedType2), True)

# Setting __call__ should remove vectorcall from all subclasses
        SuperType.__call__ = lambda self: "custom"

self.assertEqual(instance(), "custom")
        self.assertEqual(_testcapi.has_vectorcall_flag(SuperType), False)
        self.assertEqual(_testcapi.has_vectorcall_flag(DerivedType), False)
        self.assertEqual(_testcapi.has_vectorcall_flag(UnaffectedType1), True)
        self.assertEqual(_testcapi.has_vectorcall_flag(UnaffectedType2), True)

def test_vectorcall(self):
        # Test a bunch of different ways to call objects:
        # 1. vectorcall using PyVectorcall_Call()
        #   (only for objects that support vectorcall directly)
        # 2. normal call
        # 3. vectorcall using PyObject_Vectorcall()
        # 4. call as bound method
        # 5. call using functools.partial

# A list of (function, args, kwargs, result) calls to test
        calls = [(len, (range(42),), {}, 42),
                 (list.append, ([], 0), {}, None),
                 ([].append, (0,), {}, None),
                 (sum, ([36],), {"start":6}, 42),
                 (testfunction, (42,), {}, 42),
                 (testfunction_kw, (42,), {"kw":None}, 42),
                 (_testcapi.MethodDescriptorBase(), (0,), {}, True),
                 (_testcapi.MethodDescriptorDerived(), (0,), {}, True),
                 (_testcapi.MethodDescriptor2(), (0,), {}, False)]

from _testcapi import pyobject_vectorcall, pyvectorcall_call
        from types import MethodType
        from functools import partial

def vectorcall(func, args, kwargs):
            args = *args, *kwargs.values()
            kwnames = tuple(kwargs)
            return pyobject_vectorcall(func, args, kwnames)

for (func, args, kwargs, expected) in calls:
            with self.subTest(str(func)):
                if not kwargs:
                    self.assertEqual(expected, pyvectorcall_call(func, args))
                self.assertEqual(expected, pyvectorcall_call(func, args, kwargs))

# Add derived classes (which do not support vectorcall directly,
        # but do support all other ways of calling).

class MethodDescriptorHeap(_testcapi.MethodDescriptorBase):
            pass

class MethodDescriptorOverridden(_testcapi.MethodDescriptorBase):
            def __call__(self, n):
                return 'new'

class SuperBase:
            def __call__(self, *args):
                return super().__call__(*args)

class MethodDescriptorSuper(SuperBase, _testcapi.MethodDescriptorBase):
            def __call__(self, *args):
                return super().__call__(*args)

calls += [
            (dict.update, ({},), {"key":True}, None),
            ({}.update, ({},), {"key":True}, None),
            (MethodDescriptorHeap(), (0,), {}, True),
            (MethodDescriptorOverridden(), (0,), {}, 'new'),
            (MethodDescriptorSuper(), (0,), {}, True),
        ]

for (func, args, kwargs, expected) in calls:
            with self.subTest(str(func)):
                args1 = args[1:]
                meth = MethodType(func, args[0])
                wrapped = partial(func)
                if not kwargs:
                    self.assertEqual(expected, func(*args))
                    self.assertEqual(expected, pyobject_vectorcall(func, args, None))
                    self.assertEqual(expected, meth(*args1))
                    self.assertEqual(expected, wrapped(*args))
                self.assertEqual(expected, func(*args, **kwargs))
                self.assertEqual(expected, vectorcall(func, args, kwargs))
                self.assertEqual(expected, meth(*args1, **kwargs))
                self.assertEqual(expected, wrapped(*args, **kwargs))

def test_setvectorcall(self):
        from _testcapi import function_setvectorcall
        def f(num): return num + 1
        assert_equal = self.assertEqual
        num = 10
        assert_equal(11, f(num))
        function_setvectorcall(f)
        # make sure specializer is triggered by running > 50 times
        for _ in range(10 * ADAPTIVE_WARMUP_DELAY):
            assert_equal("overridden", f(num))

def test_setvectorcall_load_attr_specialization_skip(self):
        from _testcapi import function_setvectorcall

class X:
            def __getattribute__(self, attr):
                return attr

assert_equal = self.assertEqual
        x = X()
        assert_equal("a", x.a)
        function_setvectorcall(X.__getattribute__)
        # make sure specialization doesn't trigger
        # when vectorcall is overridden
        for _ in range(ADAPTIVE_WARMUP_DELAY):
            assert_equal("overridden", x.a)

def test_setvectorcall_load_attr_specialization_deopt(self):
        from _testcapi import function_setvectorcall

class X:
            def __getattribute__(self, attr):
                return attr

def get_a(x):
            return x.a

assert_equal = self.assertEqual
        x = X()
        # trigger LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN specialization
        for _ in range(ADAPTIVE_WARMUP_DELAY):
            assert_equal("a", get_a(x))
        function_setvectorcall(X.__getattribute__)
        # make sure specialized LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN
        # gets deopted due to overridden vectorcall
        for _ in range(ADAPTIVE_WARMUP_DELAY):
            assert_equal("overridden", get_a(x))

@requires_limited_api
    def test_vectorcall_limited_incoming(self):
        from _testcapi import pyobject_vectorcall
        obj = _testcapi.LimitedVectorCallClass()
        self.assertEqual(pyobject_vectorcall(obj, (), ()), "vectorcall called")

@requires_limited_api
    def test_vectorcall_limited_outgoing(self):
        from _testcapi import call_vectorcall

args_captured = []
        kwargs_captured = []

def f(*args, **kwargs):
            args_captured.append(args)
            kwargs_captured.append(kwargs)
            return "success"

self.assertEqual(call_vectorcall(f), "success")
        self.assertEqual(args_captured, [("foo",)])
        self.assertEqual(kwargs_captured, [{"baz": "bar"}])

@requires_limited_api
    def test_vectorcall_limited_outgoing_method(self):
        from _testcapi import call_vectorcall_method

args_captured = []
        kwargs_captured = []

class TestInstance:
            def f(self, *args, **kwargs):
                args_captured.append(args)
                kwargs_captured.append(kwargs)
                return "success"

self.assertEqual(call_vectorcall_method(TestInstance()), "success")
        self.assertEqual(args_captured, [("foo",)])
        self.assertEqual(kwargs_captured, [{"baz": "bar"}])

class A:
    def method_two_args(self, x, y):
        pass

@staticmethod
    def static_no_args():
        pass

@staticmethod
    def positional_only(arg, /):
        pass

@cpython_only
class TestErrorMessagesUseQualifiedName(unittest.TestCase):

@contextlib.contextmanager
    def check_raises_type_error(self, message):
        with self.assertRaises(TypeError) as cm:
            yield
        self.assertEqual(str(cm.exception), message)

def test_missing_arguments(self):
        msg = "A.method_two_args() missing 1 required positional argument: 'y'"
        with self.check_raises_type_error(msg):
            A().method_two_args("x")

def test_too_many_positional(self):
        msg = "A.static_no_args() takes 0 positional arguments but 1 was given"
        with self.check_raises_type_error(msg):
            A.static_no_args("oops it's an arg")

def test_positional_only_passed_as_keyword(self):
        msg = "A.positional_only() got some positional-only arguments passed as keyword arguments: 'arg'"
        with self.check_raises_type_error(msg):
            A.positional_only(arg="x")

def test_unexpected_keyword(self):
        msg = "A.method_two_args() got an unexpected keyword argument 'bad'"
        with self.check_raises_type_error(msg):
            A().method_two_args(bad="x")

def test_multiple_values(self):
        msg = "A.method_two_args() got multiple values for argument 'x'"
        with self.check_raises_type_error(msg):
            A().method_two_args("x", "y", x="oops")

@cpython_only
class TestRecursion(unittest.TestCase):

@skip_on_s390x
    @unittest.skipIf(is_wasi and Py_DEBUG, "requires deep stack")
    def test_super_deep(self):

def recurse(n):
            if n:
                recurse(n-1)

def py_recurse(n, m):
            if n:
                py_recurse(n-1, m)
            else:
                c_py_recurse(m-1)

def c_recurse(n):
            if n:
                _testcapi.pyobject_fastcall(c_recurse, (n-1,))

def c_py_recurse(m):
            if m:
                _testcapi.pyobject_fastcall(py_recurse, (1000, m))

depth = sys.getrecursionlimit()
        sys.setrecursionlimit(100_000)
        try:
            recurse(90_000)
            with self.assertRaises(RecursionError):
                recurse(101_000)
            c_recurse(100)
            with self.assertRaises(RecursionError):
                c_recurse(90_000)
            c_py_recurse(90)
            with self.assertRaises(RecursionError):
                c_py_recurse(100_000)
        finally:
            sys.setrecursionlimit(depth)

class TestFunctionWithManyArgs(unittest.TestCase):
    def test_function_with_many_args(self):
        for N in (10, 500, 1000):
            with self.subTest(N=N):
                args = ",".join([f"a{i}" for i in range(N)])
                src = f"def f({args}) : return a{N//2}"
                l = {}
                exec(src, {}, l)
                self.assertEqual(l['f'](*range(N)), N//2)

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

${this.title}

Code Editor : test_call.py