Gecko [ beriskala.com ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
audiodata	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
capath	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
cjkencodings	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
data	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
decimaltestdata	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
encoded_modules	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
imghdrdata	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
namespace_pkgs	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
sndhdrdata	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
subprocessdata	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
support	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
test_email	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
test_importlib	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
test_json	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
tracedmodules	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
xmltestdata	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
185test.db	16 KB	-rw-r--r--	2017-09-19 12:02
Sine-1000Hz-300ms.aif	60.25 KB	-rw-r--r--	2017-09-19 12:02
__init__.py	47 B	-rw-r--r--	2024-04-17 20:28
__main__.py	474 B	-rw-r--r--	2024-04-17 20:28
audiotests.py	9.34 KB	-rw-r--r--	2024-04-17 20:28
autotest.py	211 B	-rw-r--r--	2024-04-17 20:28
bad_coding.py	24 B	-rw-r--r--	2024-04-17 20:28
bad_coding2.py	30 B	-rw-r--r--	2024-04-17 20:28
badcert.pem	1.88 KB	-rw-r--r--	2017-09-19 12:02
badkey.pem	2.11 KB	-rw-r--r--	2017-09-19 12:02
badsyntax_3131.py	32 B	-rw-r--r--	2024-04-17 20:28
badsyntax_future3.py	172 B	-rw-r--r--	2024-04-17 20:28
badsyntax_future4.py	153 B	-rw-r--r--	2024-04-17 20:28
badsyntax_future5.py	184 B	-rw-r--r--	2024-04-17 20:28
badsyntax_future6.py	161 B	-rw-r--r--	2024-04-17 20:28
badsyntax_future7.py	196 B	-rw-r--r--	2024-04-17 20:28
badsyntax_future8.py	122 B	-rw-r--r--	2024-04-17 20:28
badsyntax_future9.py	142 B	-rw-r--r--	2024-04-17 20:28
badsyntax_pep3120.py	14 B	-rw-r--r--	2024-04-17 20:28
buffer_tests.py	10.79 KB	-rw-r--r--	2024-04-17 20:28
cfgparser.1	21 B	-rw-r--r--	2017-09-19 12:02
cfgparser.2	19.02 KB	-rw-r--r--	2017-09-19 12:02
cfgparser.3	1.55 KB	-rw-r--r--	2017-09-19 12:02
check_soundcard.vbs	411 B	-rw-r--r--	2017-09-19 12:02
cmath_testcases.txt	133.86 KB	-rw-r--r--	2017-09-19 12:02
coding20731.py	18 B	-rw-r--r--	2024-04-17 20:28
curses_tests.py	1.22 KB	-rwxr-xr-x	2024-04-17 20:28
datetimetester.py	146.82 KB	-rw-r--r--	2024-04-17 20:28
dh1024.pem	300 B	-rw-r--r--	2017-09-19 12:02
dis_module.py	76 B	-rw-r--r--	2024-04-17 20:28
doctest_aliases.py	240 B	-rw-r--r--	2024-04-17 20:28
double_const.py	1.18 KB	-rw-r--r--	2024-04-17 20:28
empty.vbs	70 B	-rw-r--r--	2017-09-19 12:02
exception_hierarchy.txt	1.69 KB	-rw-r--r--	2017-09-19 12:02
floating_points.txt	15.92 KB	-rw-r--r--	2017-09-19 12:02
fork_wait.py	2.1 KB	-rw-r--r--	2024-04-17 20:28
formatfloat_testcases.txt	7.45 KB	-rw-r--r--	2017-09-19 12:02
future_test1.py	229 B	-rw-r--r--	2024-04-17 20:28
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gdb_sample.py	153 B	-rw-r--r--	2024-04-17 20:28
ieee754.txt	3.21 KB	-rw-r--r--	2017-09-19 12:02
inspect_fodder.py	854 B	-rw-r--r--	2024-04-17 20:28
inspect_fodder2.py	1.39 KB	-rw-r--r--	2024-04-17 20:28
keycert.passwd.pem	1.79 KB	-rw-r--r--	2017-09-19 12:02
keycert.pem	1.74 KB	-rw-r--r--	2017-09-19 12:02
keycert2.pem	1.75 KB	-rw-r--r--	2017-09-19 12:02
list_tests.py	17.26 KB	-rw-r--r--	2024-04-17 20:28
lock_tests.py	25.47 KB	-rw-r--r--	2024-04-17 20:28
mailcap.txt	1.24 KB	-rw-r--r--	2017-09-19 12:02
make_ssl_certs.py	1.84 KB	-rw-r--r--	2024-04-17 20:28
mapping_tests.py	21.5 KB	-rw-r--r--	2024-04-17 20:28
math_testcases.txt	23.19 KB	-rw-r--r--	2017-09-19 12:02
memory_watchdog.py	859 B	-rw-r--r--	2024-04-17 20:28
mime.types	47.37 KB	-rw-r--r--	2017-09-19 12:02
mock_socket.py	3.32 KB	-rw-r--r--	2024-04-17 20:28
mp_fork_bomb.py	323 B	-rw-r--r--	2024-04-17 20:28
multibytecodec_support.py	14.25 KB	-rw-r--r--	2024-04-17 20:28
nokia.pem	1.88 KB	-rw-r--r--	2017-09-19 12:02
nullbytecert.pem	5.31 KB	-rw-r--r--	2017-09-19 12:02
nullcert.pem	0 B	-rw-r--r--	2017-09-19 12:02
outstanding_bugs.py	370 B	-rw-r--r--	2024-04-17 20:28
pickletester.py	60.31 KB	-rw-r--r--	2024-04-17 20:28
profilee.py	2.97 KB	-rw-r--r--	2024-04-17 20:28
pstats.pck	65.05 KB	-rw-r--r--	2017-09-19 12:02
pyclbr_input.py	648 B	-rw-r--r--	2024-04-17 20:28
pydoc_mod.py	461 B	-rw-r--r--	2024-04-17 20:28
pydocfodder.py	6.18 KB	-rw-r--r--	2024-04-17 20:28
pystone.py	7.22 KB	-rwxr-xr-x	2024-04-17 20:28
randv2_32.pck	7.34 KB	-rw-r--r--	2017-09-19 12:02
randv2_64.pck	7.19 KB	-rw-r--r--	2017-09-19 12:02
randv3.pck	7.82 KB	-rw-r--r--	2017-09-19 12:02
re_tests.py	31.06 KB	-rwxr-xr-x	2024-04-17 20:28
regrtest.py	63.54 KB	-rwxr-xr-x	2024-04-17 20:28
relimport.py	27 B	-rw-r--r--	2024-04-17 20:28
reperf.py	538 B	-rw-r--r--	2024-04-17 20:28
sample_doctest.py	1.02 KB	-rw-r--r--	2024-04-17 20:28
sample_doctest_no_docstrings.py	227 B	-rw-r--r--	2024-04-17 20:28
sample_doctest_no_doctests.py	269 B	-rw-r--r--	2024-04-17 20:28
script_helper.py	5.22 KB	-rw-r--r--	2024-04-17 20:28
selfsigned_pythontestdotnet.pem	956 B	-rw-r--r--	2017-09-19 12:02
seq_tests.py	13.49 KB	-rw-r--r--	2024-04-17 20:28
sgml_input.html	8.1 KB	-rw-r--r--	2017-09-19 12:02
sha256.pem	8.15 KB	-rw-r--r--	2017-09-19 12:02
sortperf.py	4.69 KB	-rw-r--r--	2024-04-17 20:28
ssl_cert.pem	867 B	-rw-r--r--	2017-09-19 12:02
ssl_key.passwd.pem	963 B	-rw-r--r--	2017-09-19 12:02
ssl_key.pem	916 B	-rw-r--r--	2017-09-19 12:02
ssl_servers.py	6.82 KB	-rw-r--r--	2024-04-17 20:28
string_tests.py	62.74 KB	-rw-r--r--	2024-04-17 20:28
test___all__.py	3.86 KB	-rw-r--r--	2024-04-17 20:28
test___future__.py	2.44 KB	-rw-r--r--	2024-04-17 20:28
test__locale.py	6.89 KB	-rw-r--r--	2024-04-17 20:28
test__osx_support.py	11.41 KB	-rw-r--r--	2024-04-17 20:28
test_abc.py	12.76 KB	-rw-r--r--	2024-04-17 20:28
test_abstract_numbers.py	1.49 KB	-rw-r--r--	2024-04-17 20:28
test_aifc.py	14.48 KB	-rw-r--r--	2024-04-17 20:28
test_argparse.py	158.6 KB	-rw-r--r--	2024-04-17 20:28
test_array.py	43.88 KB	-rw-r--r--	2024-04-17 20:28
test_ast.py	43.49 KB	-rw-r--r--	2024-04-17 20:28
test_asynchat.py	9.08 KB	-rw-r--r--	2024-04-17 20:28
test_asyncore.py	26.05 KB	-rw-r--r--	2024-04-17 20:28
test_atexit.py	3.53 KB	-rw-r--r--	2024-04-17 20:28
test_audioop.py	17.39 KB	-rw-r--r--	2024-04-17 20:28
test_augassign.py	7.44 KB	-rw-r--r--	2024-04-17 20:28
test_base64.py	14.34 KB	-rw-r--r--	2024-04-17 20:28
test_bigaddrspace.py	2.92 KB	-rw-r--r--	2024-04-17 20:28
test_bigmem.py	44.18 KB	-rw-r--r--	2024-04-17 20:28
test_binascii.py	9.94 KB	-rw-r--r--	2024-04-17 20:28
test_binhex.py	1.47 KB	-rw-r--r--	2024-04-17 20:28
test_binop.py	12.36 KB	-rw-r--r--	2024-04-17 20:28
test_bisect.py	13.65 KB	-rw-r--r--	2024-04-17 20:28
test_bool.py	11.81 KB	-rw-r--r--	2024-04-17 20:28
test_buffer.py	155.09 KB	-rw-r--r--	2024-04-17 20:28
test_bufio.py	2.54 KB	-rw-r--r--	2024-04-17 20:28
test_builtin.py	54.84 KB	-rw-r--r--	2024-04-17 20:28
test_bytes.py	52.86 KB	-rw-r--r--	2024-04-17 20:28
test_bz2.py	30.8 KB	-rw-r--r--	2024-04-17 20:28
test_calendar.py	38.7 KB	-rw-r--r--	2024-04-17 20:28
test_call.py	3.08 KB	-rw-r--r--	2024-04-17 20:28
test_capi.py	13.81 KB	-rw-r--r--	2024-04-17 20:28
test_cgi.py	17.34 KB	-rw-r--r--	2024-04-17 20:28
test_cgitb.py	2.49 KB	-rw-r--r--	2024-04-17 20:28
test_charmapcodec.py	1.75 KB	-rw-r--r--	2024-04-17 20:28
test_class.py	13.79 KB	-rw-r--r--	2024-04-17 20:28
test_cmath.py	20.38 KB	-rw-r--r--	2024-04-17 20:28
test_cmd.py	6.08 KB	-rw-r--r--	2024-04-17 20:28
test_cmd_line.py	15.35 KB	-rw-r--r--	2024-04-17 20:28
test_cmd_line_script.py	16.95 KB	-rw-r--r--	2024-04-17 20:28
test_code.py	3.54 KB	-rw-r--r--	2024-04-17 20:28
test_code_module.py	2.42 KB	-rw-r--r--	2024-04-17 20:28
test_codeccallbacks.py	33.17 KB	-rw-r--r--	2024-04-17 20:28
test_codecencodings_cn.py	3.38 KB	-rw-r--r--	2024-04-17 20:28
test_codecencodings_hk.py	775 B	-rw-r--r--	2024-04-17 20:28
test_codecencodings_iso2022.py	1.43 KB	-rw-r--r--	2024-04-17 20:28
test_codecencodings_jp.py	4.86 KB	-rw-r--r--	2024-04-17 20:28
test_codecencodings_kr.py	3.03 KB	-rw-r--r--	2024-04-17 20:28
test_codecencodings_tw.py	755 B	-rw-r--r--	2024-04-17 20:28
test_codecmaps_cn.py	930 B	-rw-r--r--	2024-04-17 20:28
test_codecmaps_hk.py	505 B	-rw-r--r--	2024-04-17 20:28
test_codecmaps_jp.py	1.88 KB	-rw-r--r--	2024-04-17 20:28
test_codecmaps_kr.py	1.34 KB	-rw-r--r--	2024-04-17 20:28
test_codecmaps_tw.py	880 B	-rw-r--r--	2024-04-17 20:28
test_codecs.py	96.02 KB	-rw-r--r--	2024-04-17 20:28
test_codeop.py	7.45 KB	-rw-r--r--	2024-04-17 20:28
test_coding.py	2.51 KB	-rw-r--r--	2024-04-17 20:28
test_collections.py	54.31 KB	-rw-r--r--	2024-04-17 20:28
test_colorsys.py	2.77 KB	-rw-r--r--	2024-04-17 20:28
test_compare.py	1.63 KB	-rw-r--r--	2024-04-17 20:28
test_compile.py	18.62 KB	-rw-r--r--	2024-04-17 20:28
test_compileall.py	15.73 KB	-rw-r--r--	2024-04-17 20:28
test_complex.py	27.09 KB	-rw-r--r--	2024-04-17 20:28
test_concurrent_futures.py	22.57 KB	-rw-r--r--	2024-04-17 20:28
test_configparser.py	69.26 KB	-rw-r--r--	2024-04-17 20:28
test_contains.py	2.58 KB	-rw-r--r--	2024-04-17 20:28
test_contextlib.py	21.39 KB	-rw-r--r--	2024-04-17 20:28
test_copy.py	21.9 KB	-rw-r--r--	2024-04-17 20:28
test_copyreg.py	4.12 KB	-rw-r--r--	2024-04-17 20:28
test_cprofile.py	5.32 KB	-rw-r--r--	2024-04-17 20:28
test_crashers.py	1.18 KB	-rw-r--r--	2024-04-17 20:28
test_crypt.py	1.24 KB	-rw-r--r--	2024-04-17 20:28
test_csv.py	40.9 KB	-rw-r--r--	2024-04-17 20:28
test_ctypes.py	400 B	-rw-r--r--	2024-04-17 20:28
test_curses.py	10.7 KB	-rw-r--r--	2024-04-17 20:28
test_datetime.py	1.81 KB	-rw-r--r--	2024-04-17 20:28
test_dbm.py	5.52 KB	-rw-r--r--	2024-04-17 20:28
test_dbm_dumb.py	5.49 KB	-rw-r--r--	2024-04-17 20:28
test_dbm_gnu.py	2.85 KB	-rw-r--r--	2024-04-17 20:28
test_dbm_ndbm.py	1.13 KB	-rw-r--r--	2024-04-17 20:28
test_decimal.py	197.66 KB	-rw-r--r--	2024-04-17 20:28
test_decorators.py	9.6 KB	-rw-r--r--	2024-04-17 20:28
test_defaultdict.py	5.94 KB	-rw-r--r--	2024-04-17 20:28
test_deque.py	25 KB	-rw-r--r--	2024-04-17 20:28
test_descr.py	156.64 KB	-rw-r--r--	2024-04-17 20:28
test_descrtut.py	11.5 KB	-rw-r--r--	2024-04-17 20:28
test_devpoll.py	3.49 KB	-rw-r--r--	2024-04-17 20:28
test_dict.py	31.11 KB	-rw-r--r--	2024-04-17 20:28
test_dictcomps.py	3.69 KB	-rw-r--r--	2024-04-17 20:28
test_dictviews.py	8.51 KB	-rw-r--r--	2024-04-17 20:28
test_difflib.py	10.78 KB	-rw-r--r--	2024-04-17 20:28
test_difflib_expect.html	100.86 KB	-rw-r--r--	2017-09-19 12:02
test_dis.py	12.33 KB	-rw-r--r--	2024-04-17 20:28
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test_doctest.py	81.78 KB	-rw-r--r--	2024-04-17 20:28
test_doctest.txt	300 B	-rw-r--r--	2017-09-19 12:02
test_doctest2.py	2.3 KB	-rw-r--r--	2024-04-17 20:28
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test_eof.py	855 B	-rw-r--r--	2024-04-17 20:28
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test_fnmatch.py	2.84 KB	-rw-r--r--	2024-04-17 20:28
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test_future4.py	105 B	-rw-r--r--	2024-04-17 20:28
test_future5.py	510 B	-rw-r--r--	2024-04-17 20:28
test_gc.py	29 KB	-rw-r--r--	2024-04-17 20:28
test_gdb.py	35.86 KB	-rw-r--r--	2024-04-17 20:28
test_generators.py	48.5 KB	-rw-r--r--	2024-04-17 20:28
test_genericpath.py	13.3 KB	-rw-r--r--	2024-04-17 20:28
test_genexps.py	7.12 KB	-rw-r--r--	2024-04-17 20:28
test_getargs2.py	23.74 KB	-rw-r--r--	2024-04-17 20:28
test_getopt.py	6.8 KB	-rw-r--r--	2024-04-17 20:28
test_getpass.py	5.95 KB	-rw-r--r--	2024-04-17 20:28
test_gettext.py	22.11 KB	-rw-r--r--	2024-04-17 20:28
test_glob.py	6.69 KB	-rw-r--r--	2024-04-17 20:28
test_global.py	1.25 KB	-rw-r--r--	2024-04-17 20:28
test_grammar.py	31.96 KB	-rw-r--r--	2024-04-17 20:28
test_grp.py	3.18 KB	-rw-r--r--	2024-04-17 20:28
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test_heapq.py	14.14 KB	-rw-r--r--	2024-04-17 20:28
test_hmac.py	17.23 KB	-rw-r--r--	2024-04-17 20:28
test_html.py	579 B	-rw-r--r--	2024-04-17 20:28
test_htmlparser.py	30.74 KB	-rw-r--r--	2024-04-17 20:28
test_http_cookiejar.py	70 KB	-rw-r--r--	2024-04-17 20:28
test_http_cookies.py	9.98 KB	-rw-r--r--	2024-04-17 20:28
test_httplib.py	37.59 KB	-rw-r--r--	2024-04-17 20:28
test_httpservers.py	26.35 KB	-rw-r--r--	2024-04-17 20:28
test_idle.py	1.3 KB	-rw-r--r--	2024-04-17 20:28
test_imaplib.py	15.67 KB	-rw-r--r--	2024-04-17 20:28
test_imghdr.py	4.31 KB	-rw-r--r--	2024-04-17 20:28
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Rename

"""
Various tests for synchronization primitives.
"""

import sys
import time
from _thread import start_new_thread, TIMEOUT_MAX
import threading
import unittest

from test import support

def _wait():
    # A crude wait/yield function not relying on synchronization primitives.
    time.sleep(0.01)

class Bunch(object):
    """
    A bunch of threads.
    """
    def __init__(self, f, n, wait_before_exit=False):
        """
        Construct a bunch of `n` threads running the same function `f`.
        If `wait_before_exit` is True, the threads won't terminate until
        do_finish() is called.
        """
        self.f = f
        self.n = n
        self.started = []
        self.finished = []
        self._can_exit = not wait_before_exit
        def task():
            tid = threading.get_ident()
            self.started.append(tid)
            try:
                f()
            finally:
                self.finished.append(tid)
                while not self._can_exit:
                    _wait()
        for i in range(n):
            start_new_thread(task, ())

def wait_for_started(self):
        while len(self.started) < self.n:
            _wait()

def wait_for_finished(self):
        while len(self.finished) < self.n:
            _wait()

def do_finish(self):
        self._can_exit = True

class BaseTestCase(unittest.TestCase):
    def setUp(self):
        self._threads = support.threading_setup()

def tearDown(self):
        support.threading_cleanup(*self._threads)
        support.reap_children()

def assertTimeout(self, actual, expected):
        # The waiting and/or time.time() can be imprecise, which
        # is why comparing to the expected value would sometimes fail
        # (especially under Windows).
        self.assertGreaterEqual(actual, expected * 0.6)
        # Test nothing insane happened
        self.assertLess(actual, expected * 10.0)

class BaseLockTests(BaseTestCase):
    """
    Tests for both recursive and non-recursive locks.
    """

def test_constructor(self):
        lock = self.locktype()
        del lock

def test_acquire_destroy(self):
        lock = self.locktype()
        lock.acquire()
        del lock

def test_acquire_release(self):
        lock = self.locktype()
        lock.acquire()
        lock.release()
        del lock

def test_try_acquire(self):
        lock = self.locktype()
        self.assertTrue(lock.acquire(False))
        lock.release()

def test_try_acquire_contended(self):
        lock = self.locktype()
        lock.acquire()
        result = []
        def f():
            result.append(lock.acquire(False))
        Bunch(f, 1).wait_for_finished()
        self.assertFalse(result[0])
        lock.release()

def test_acquire_contended(self):
        lock = self.locktype()
        lock.acquire()
        N = 5
        def f():
            lock.acquire()
            lock.release()

b = Bunch(f, N)
        b.wait_for_started()
        _wait()
        self.assertEqual(len(b.finished), 0)
        lock.release()
        b.wait_for_finished()
        self.assertEqual(len(b.finished), N)

def test_with(self):
        lock = self.locktype()
        def f():
            lock.acquire()
            lock.release()
        def _with(err=None):
            with lock:
                if err is not None:
                    raise err
        _with()
        # Check the lock is unacquired
        Bunch(f, 1).wait_for_finished()
        self.assertRaises(TypeError, _with, TypeError)
        # Check the lock is unacquired
        Bunch(f, 1).wait_for_finished()

def test_thread_leak(self):
        # The lock shouldn't leak a Thread instance when used from a foreign
        # (non-threading) thread.
        lock = self.locktype()
        def f():
            lock.acquire()
            lock.release()
        n = len(threading.enumerate())
        # We run many threads in the hope that existing threads ids won't
        # be recycled.
        Bunch(f, 15).wait_for_finished()
        if len(threading.enumerate()) != n:
            # There is a small window during which a Thread instance's
            # target function has finished running, but the Thread is still
            # alive and registered.  Avoid spurious failures by waiting a
            # bit more (seen on a buildbot).
            time.sleep(0.4)
            self.assertEqual(n, len(threading.enumerate()))

def test_timeout(self):
        lock = self.locktype()
        # Can't set timeout if not blocking
        self.assertRaises(ValueError, lock.acquire, 0, 1)
        # Invalid timeout values
        self.assertRaises(ValueError, lock.acquire, timeout=-100)
        self.assertRaises(OverflowError, lock.acquire, timeout=1e100)
        self.assertRaises(OverflowError, lock.acquire, timeout=TIMEOUT_MAX + 1)
        # TIMEOUT_MAX is ok
        lock.acquire(timeout=TIMEOUT_MAX)
        lock.release()
        t1 = time.time()
        self.assertTrue(lock.acquire(timeout=5))
        t2 = time.time()
        # Just a sanity test that it didn't actually wait for the timeout.
        self.assertLess(t2 - t1, 5)
        results = []
        def f():
            t1 = time.time()
            results.append(lock.acquire(timeout=0.5))
            t2 = time.time()
            results.append(t2 - t1)
        Bunch(f, 1).wait_for_finished()
        self.assertFalse(results[0])
        self.assertTimeout(results[1], 0.5)

class LockTests(BaseLockTests):
    """
    Tests for non-recursive, weak locks
    (which can be acquired and released from different threads).
    """
    def test_reacquire(self):
        # Lock needs to be released before re-acquiring.
        lock = self.locktype()
        phase = []
        def f():
            lock.acquire()
            phase.append(None)
            lock.acquire()
            phase.append(None)
        start_new_thread(f, ())
        while len(phase) == 0:
            _wait()
        _wait()
        self.assertEqual(len(phase), 1)
        lock.release()
        while len(phase) == 1:
            _wait()
        self.assertEqual(len(phase), 2)

def test_different_thread(self):
        # Lock can be released from a different thread.
        lock = self.locktype()
        lock.acquire()
        def f():
            lock.release()
        b = Bunch(f, 1)
        b.wait_for_finished()
        lock.acquire()
        lock.release()

def test_state_after_timeout(self):
        # Issue #11618: check that lock is in a proper state after a
        # (non-zero) timeout.
        lock = self.locktype()
        lock.acquire()
        self.assertFalse(lock.acquire(timeout=0.01))
        lock.release()
        self.assertFalse(lock.locked())
        self.assertTrue(lock.acquire(blocking=False))

class RLockTests(BaseLockTests):
    """
    Tests for recursive locks.
    """
    def test_reacquire(self):
        lock = self.locktype()
        lock.acquire()
        lock.acquire()
        lock.release()
        lock.acquire()
        lock.release()
        lock.release()

def test_release_unacquired(self):
        # Cannot release an unacquired lock
        lock = self.locktype()
        self.assertRaises(RuntimeError, lock.release)
        lock.acquire()
        lock.acquire()
        lock.release()
        lock.acquire()
        lock.release()
        lock.release()
        self.assertRaises(RuntimeError, lock.release)

def test_release_save_unacquired(self):
        # Cannot _release_save an unacquired lock
        lock = self.locktype()
        self.assertRaises(RuntimeError, lock._release_save)
        lock.acquire()
        lock.acquire()
        lock.release()
        lock.acquire()
        lock.release()
        lock.release()
        self.assertRaises(RuntimeError, lock._release_save)

def test_different_thread(self):
        # Cannot release from a different thread
        lock = self.locktype()
        def f():
            lock.acquire()
        b = Bunch(f, 1, True)
        try:
            self.assertRaises(RuntimeError, lock.release)
        finally:
            b.do_finish()

def test__is_owned(self):
        lock = self.locktype()
        self.assertFalse(lock._is_owned())
        lock.acquire()
        self.assertTrue(lock._is_owned())
        lock.acquire()
        self.assertTrue(lock._is_owned())
        result = []
        def f():
            result.append(lock._is_owned())
        Bunch(f, 1).wait_for_finished()
        self.assertFalse(result[0])
        lock.release()
        self.assertTrue(lock._is_owned())
        lock.release()
        self.assertFalse(lock._is_owned())

class EventTests(BaseTestCase):
    """
    Tests for Event objects.
    """

def test_is_set(self):
        evt = self.eventtype()
        self.assertFalse(evt.is_set())
        evt.set()
        self.assertTrue(evt.is_set())
        evt.set()
        self.assertTrue(evt.is_set())
        evt.clear()
        self.assertFalse(evt.is_set())
        evt.clear()
        self.assertFalse(evt.is_set())

def _check_notify(self, evt):
        # All threads get notified
        N = 5
        results1 = []
        results2 = []
        def f():
            results1.append(evt.wait())
            results2.append(evt.wait())
        b = Bunch(f, N)
        b.wait_for_started()
        _wait()
        self.assertEqual(len(results1), 0)
        evt.set()
        b.wait_for_finished()
        self.assertEqual(results1, [True] * N)
        self.assertEqual(results2, [True] * N)

def test_notify(self):
        evt = self.eventtype()
        self._check_notify(evt)
        # Another time, after an explicit clear()
        evt.set()
        evt.clear()
        self._check_notify(evt)

def test_timeout(self):
        evt = self.eventtype()
        results1 = []
        results2 = []
        N = 5
        def f():
            results1.append(evt.wait(0.0))
            t1 = time.time()
            r = evt.wait(0.5)
            t2 = time.time()
            results2.append((r, t2 - t1))
        Bunch(f, N).wait_for_finished()
        self.assertEqual(results1, [False] * N)
        for r, dt in results2:
            self.assertFalse(r)
            self.assertTimeout(dt, 0.5)
        # The event is set
        results1 = []
        results2 = []
        evt.set()
        Bunch(f, N).wait_for_finished()
        self.assertEqual(results1, [True] * N)
        for r, dt in results2:
            self.assertTrue(r)

def test_set_and_clear(self):
        # Issue #13502: check that wait() returns true even when the event is
        # cleared before the waiting thread is woken up.
        evt = self.eventtype()
        results = []
        N = 5
        def f():
            results.append(evt.wait(1))
        b = Bunch(f, N)
        b.wait_for_started()
        time.sleep(0.5)
        evt.set()
        evt.clear()
        b.wait_for_finished()
        self.assertEqual(results, [True] * N)

class ConditionTests(BaseTestCase):
    """
    Tests for condition variables.
    """

def test_acquire(self):
        cond = self.condtype()
        # Be default we have an RLock: the condition can be acquired multiple
        # times.
        cond.acquire()
        cond.acquire()
        cond.release()
        cond.release()
        lock = threading.Lock()
        cond = self.condtype(lock)
        cond.acquire()
        self.assertFalse(lock.acquire(False))
        cond.release()
        self.assertTrue(lock.acquire(False))
        self.assertFalse(cond.acquire(False))
        lock.release()
        with cond:
            self.assertFalse(lock.acquire(False))

def test_unacquired_wait(self):
        cond = self.condtype()
        self.assertRaises(RuntimeError, cond.wait)

def test_unacquired_notify(self):
        cond = self.condtype()
        self.assertRaises(RuntimeError, cond.notify)

def _check_notify(self, cond):
        N = 5
        results1 = []
        results2 = []
        phase_num = 0
        def f():
            cond.acquire()
            result = cond.wait()
            cond.release()
            results1.append((result, phase_num))
            cond.acquire()
            result = cond.wait()
            cond.release()
            results2.append((result, phase_num))
        b = Bunch(f, N)
        b.wait_for_started()
        _wait()
        self.assertEqual(results1, [])
        # Notify 3 threads at first
        cond.acquire()
        cond.notify(3)
        _wait()
        phase_num = 1
        cond.release()
        while len(results1) < 3:
            _wait()
        self.assertEqual(results1, [(True, 1)] * 3)
        self.assertEqual(results2, [])
        # Notify 5 threads: they might be in their first or second wait
        cond.acquire()
        cond.notify(5)
        _wait()
        phase_num = 2
        cond.release()
        while len(results1) + len(results2) < 8:
            _wait()
        self.assertEqual(results1, [(True, 1)] * 3 + [(True, 2)] * 2)
        self.assertEqual(results2, [(True, 2)] * 3)
        # Notify all threads: they are all in their second wait
        cond.acquire()
        cond.notify_all()
        _wait()
        phase_num = 3
        cond.release()
        while len(results2) < 5:
            _wait()
        self.assertEqual(results1, [(True, 1)] * 3 + [(True,2)] * 2)
        self.assertEqual(results2, [(True, 2)] * 3 + [(True, 3)] * 2)
        b.wait_for_finished()

def test_notify(self):
        cond = self.condtype()
        self._check_notify(cond)
        # A second time, to check internal state is still ok.
        self._check_notify(cond)

def test_timeout(self):
        cond = self.condtype()
        results = []
        N = 5
        def f():
            cond.acquire()
            t1 = time.time()
            result = cond.wait(0.5)
            t2 = time.time()
            cond.release()
            results.append((t2 - t1, result))
        Bunch(f, N).wait_for_finished()
        self.assertEqual(len(results), N)
        for dt, result in results:
            self.assertTimeout(dt, 0.5)
            # Note that conceptually (that"s the condition variable protocol)
            # a wait() may succeed even if no one notifies us and before any
            # timeout occurs.  Spurious wakeups can occur.
            # This makes it hard to verify the result value.
            # In practice, this implementation has no spurious wakeups.
            self.assertFalse(result)

def test_waitfor(self):
        cond = self.condtype()
        state = 0
        def f():
            with cond:
                result = cond.wait_for(lambda : state==4)
                self.assertTrue(result)
                self.assertEqual(state, 4)
        b = Bunch(f, 1)
        b.wait_for_started()
        for i in range(4):
            time.sleep(0.01)
            with cond:
                state += 1
                cond.notify()
        b.wait_for_finished()

def test_waitfor_timeout(self):
        cond = self.condtype()
        state = 0
        success = []
        def f():
            with cond:
                dt = time.time()
                result = cond.wait_for(lambda : state==4, timeout=0.1)
                dt = time.time() - dt
                self.assertFalse(result)
                self.assertTimeout(dt, 0.1)
                success.append(None)
        b = Bunch(f, 1)
        b.wait_for_started()
        # Only increment 3 times, so state == 4 is never reached.
        for i in range(3):
            time.sleep(0.01)
            with cond:
                state += 1
                cond.notify()
        b.wait_for_finished()
        self.assertEqual(len(success), 1)

class BaseSemaphoreTests(BaseTestCase):
    """
    Common tests for {bounded, unbounded} semaphore objects.
    """

def test_constructor(self):
        self.assertRaises(ValueError, self.semtype, value = -1)
        self.assertRaises(ValueError, self.semtype, value = -sys.maxsize)

def test_acquire(self):
        sem = self.semtype(1)
        sem.acquire()
        sem.release()
        sem = self.semtype(2)
        sem.acquire()
        sem.acquire()
        sem.release()
        sem.release()

def test_acquire_destroy(self):
        sem = self.semtype()
        sem.acquire()
        del sem

def test_acquire_contended(self):
        sem = self.semtype(7)
        sem.acquire()
        N = 10
        results1 = []
        results2 = []
        phase_num = 0
        def f():
            sem.acquire()
            results1.append(phase_num)
            sem.acquire()
            results2.append(phase_num)
        b = Bunch(f, 10)
        b.wait_for_started()
        while len(results1) + len(results2) < 6:
            _wait()
        self.assertEqual(results1 + results2, [0] * 6)
        phase_num = 1
        for i in range(7):
            sem.release()
        while len(results1) + len(results2) < 13:
            _wait()
        self.assertEqual(sorted(results1 + results2), [0] * 6 + [1] * 7)
        phase_num = 2
        for i in range(6):
            sem.release()
        while len(results1) + len(results2) < 19:
            _wait()
        self.assertEqual(sorted(results1 + results2), [0] * 6 + [1] * 7 + [2] * 6)
        # The semaphore is still locked
        self.assertFalse(sem.acquire(False))
        # Final release, to let the last thread finish
        sem.release()
        b.wait_for_finished()

def test_try_acquire(self):
        sem = self.semtype(2)
        self.assertTrue(sem.acquire(False))
        self.assertTrue(sem.acquire(False))
        self.assertFalse(sem.acquire(False))
        sem.release()
        self.assertTrue(sem.acquire(False))

def test_try_acquire_contended(self):
        sem = self.semtype(4)
        sem.acquire()
        results = []
        def f():
            results.append(sem.acquire(False))
            results.append(sem.acquire(False))
        Bunch(f, 5).wait_for_finished()
        # There can be a thread switch between acquiring the semaphore and
        # appending the result, therefore results will not necessarily be
        # ordered.
        self.assertEqual(sorted(results), [False] * 7 + [True] *  3 )

def test_acquire_timeout(self):
        sem = self.semtype(2)
        self.assertRaises(ValueError, sem.acquire, False, timeout=1.0)
        self.assertTrue(sem.acquire(timeout=0.005))
        self.assertTrue(sem.acquire(timeout=0.005))
        self.assertFalse(sem.acquire(timeout=0.005))
        sem.release()
        self.assertTrue(sem.acquire(timeout=0.005))
        t = time.time()
        self.assertFalse(sem.acquire(timeout=0.5))
        dt = time.time() - t
        self.assertTimeout(dt, 0.5)

def test_default_value(self):
        # The default initial value is 1.
        sem = self.semtype()
        sem.acquire()
        def f():
            sem.acquire()
            sem.release()
        b = Bunch(f, 1)
        b.wait_for_started()
        _wait()
        self.assertFalse(b.finished)
        sem.release()
        b.wait_for_finished()

def test_with(self):
        sem = self.semtype(2)
        def _with(err=None):
            with sem:
                self.assertTrue(sem.acquire(False))
                sem.release()
                with sem:
                    self.assertFalse(sem.acquire(False))
                    if err:
                        raise err
        _with()
        self.assertTrue(sem.acquire(False))
        sem.release()
        self.assertRaises(TypeError, _with, TypeError)
        self.assertTrue(sem.acquire(False))
        sem.release()

class SemaphoreTests(BaseSemaphoreTests):
    """
    Tests for unbounded semaphores.
    """

def test_release_unacquired(self):
        # Unbounded releases are allowed and increment the semaphore's value
        sem = self.semtype(1)
        sem.release()
        sem.acquire()
        sem.acquire()
        sem.release()

class BoundedSemaphoreTests(BaseSemaphoreTests):
    """
    Tests for bounded semaphores.
    """

def test_release_unacquired(self):
        # Cannot go past the initial value
        sem = self.semtype()
        self.assertRaises(ValueError, sem.release)
        sem.acquire()
        sem.release()
        self.assertRaises(ValueError, sem.release)

class BarrierTests(BaseTestCase):
    """
    Tests for Barrier objects.
    """
    N = 5
    defaultTimeout = 2.0

def setUp(self):
        self.barrier = self.barriertype(self.N, timeout=self.defaultTimeout)
    def tearDown(self):
        self.barrier.abort()

def run_threads(self, f):
        b = Bunch(f, self.N-1)
        f()
        b.wait_for_finished()

def multipass(self, results, n):
        m = self.barrier.parties
        self.assertEqual(m, self.N)
        for i in range(n):
            results[0].append(True)
            self.assertEqual(len(results[1]), i * m)
            self.barrier.wait()
            results[1].append(True)
            self.assertEqual(len(results[0]), (i + 1) * m)
            self.barrier.wait()
        self.assertEqual(self.barrier.n_waiting, 0)
        self.assertFalse(self.barrier.broken)

def test_barrier(self, passes=1):
        """
        Test that a barrier is passed in lockstep
        """
        results = [[],[]]
        def f():
            self.multipass(results, passes)
        self.run_threads(f)

def test_barrier_10(self):
        """
        Test that a barrier works for 10 consecutive runs
        """
        return self.test_barrier(10)

def test_wait_return(self):
        """
        test the return value from barrier.wait
        """
        results = []
        def f():
            r = self.barrier.wait()
            results.append(r)

self.run_threads(f)
        self.assertEqual(sum(results), sum(range(self.N)))

def test_action(self):
        """
        Test the 'action' callback
        """
        results = []
        def action():
            results.append(True)
        barrier = self.barriertype(self.N, action)
        def f():
            barrier.wait()
            self.assertEqual(len(results), 1)

self.run_threads(f)

def test_abort(self):
        """
        Test that an abort will put the barrier in a broken state
        """
        results1 = []
        results2 = []
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass

self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertTrue(self.barrier.broken)

def test_reset(self):
        """
        Test that a 'reset' on a barrier frees the waiting threads
        """
        results1 = []
        results2 = []
        results3 = []
        def f():
            i = self.barrier.wait()
            if i == self.N//2:
                # Wait until the other threads are all in the barrier.
                while self.barrier.n_waiting < self.N-1:
                    time.sleep(0.001)
                self.barrier.reset()
            else:
                try:
                    self.barrier.wait()
                    results1.append(True)
                except threading.BrokenBarrierError:
                    results2.append(True)
            # Now, pass the barrier again
            self.barrier.wait()
            results3.append(True)

self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N)

def test_abort_and_reset(self):
        """
        Test that a barrier can be reset after being broken.
        """
        results1 = []
        results2 = []
        results3 = []
        barrier2 = self.barriertype(self.N)
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass
            # Synchronize and reset the barrier.  Must synchronize first so
            # that everyone has left it when we reset, and after so that no
            # one enters it before the reset.
            if barrier2.wait() == self.N//2:
                self.barrier.reset()
            barrier2.wait()
            self.barrier.wait()
            results3.append(True)

self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N)

def test_timeout(self):
        """
        Test wait(timeout)
        """
        def f():
            i = self.barrier.wait()
            if i == self.N // 2:
                # One thread is late!
                time.sleep(1.0)
            # Default timeout is 2.0, so this is shorter.
            self.assertRaises(threading.BrokenBarrierError,
                              self.barrier.wait, 0.5)
        self.run_threads(f)

def test_default_timeout(self):
        """
        Test the barrier's default timeout
        """
        # create a barrier with a low default timeout
        barrier = self.barriertype(self.N, timeout=0.3)
        def f():
            i = barrier.wait()
            if i == self.N // 2:
                # One thread is later than the default timeout of 0.3s.
                time.sleep(1.0)
            self.assertRaises(threading.BrokenBarrierError, barrier.wait)
        self.run_threads(f)

def test_single_thread(self):
        b = self.barriertype(1)
        b.wait()
        b.wait()