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Merged
merged 2 commits into from
Apr 15, 2025
Merged

Add/update various tests at 3.13.3 #5698

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56ad7a4
add test_winapi
arihant2math Apr 15, 2025
793d5a1
update test_float to 3.13.3
arihant2math Apr 15, 2025
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45 changes: 25 additions & 20 deletions Lib/test/test_float.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@

#locate file with float format test values
test_dir = os.path.dirname(__file__) or os.curdir
format_testfile = os.path.join(test_dir, 'formatfloat_testcases.txt')
format_testfile = os.path.join(test_dir, 'mathdata', 'formatfloat_testcases.txt')

class FloatSubclass(float):
pass
Expand Down Expand Up @@ -131,7 +131,7 @@ def check(s):
with self.assertRaises(ValueError, msg='float(%r)' % (s,)) as cm:
float(s)
self.assertEqual(str(cm.exception),
'could not convert string to float: %r' % (s,))
'could not convert string to float: %r' % (s,))

check('\xbd')
check('123\xbd')
Expand Down Expand Up @@ -290,11 +290,11 @@ def test_is_integer(self):

def test_floatasratio(self):
for f, ratio in [
(0.875, (7, 8)),
(-0.875, (-7, 8)),
(0.0, (0, 1)),
(11.5, (23, 2)),
]:
(0.875, (7, 8)),
(-0.875, (-7, 8)),
(0.0, (0, 1)),
(11.5, (23, 2)),
]:
self.assertEqual(f.as_integer_ratio(), ratio)

for i in range(10000):
Expand Down Expand Up @@ -337,7 +337,7 @@ def test_float_containment(self):
self.assertTrue((f,) == (f,), "(%r,) != (%r,)" % (f, f))
self.assertTrue({f} == {f}, "{%r} != {%r}" % (f, f))
self.assertTrue({f : None} == {f: None}, "{%r : None} != "
"{%r : None}" % (f, f))
"{%r : None}" % (f, f))

# identical containers
l, t, s, d = [f], (f,), {f}, {f: None}
Expand Down Expand Up @@ -400,9 +400,9 @@ def test_float_mod(self):
self.assertEqualAndEqualSign(mod(1e-100, -1.0), -1.0)
self.assertEqualAndEqualSign(mod(1.0, -1.0), -0.0)

@support.requires_IEEE_754
# TODO: RUSTPYTHON
@unittest.expectedFailure
@support.requires_IEEE_754
def test_float_pow(self):
# test builtin pow and ** operator for IEEE 754 special cases.
# Special cases taken from section F.9.4.4 of the C99 specification
Expand Down Expand Up @@ -728,6 +728,8 @@ def test_format(self):
self.assertEqual(format(INF, 'F'), 'INF')

@support.requires_IEEE_754
# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_format_testfile(self):
with open(format_testfile, encoding="utf-8") as testfile:
for line in testfile:
Expand Down Expand Up @@ -772,9 +774,12 @@ def test_issue35560(self):
self.assertEqual(format(-123.34, '00.10g'), '-123.34')

class ReprTestCase(unittest.TestCase):
# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_repr(self):
with open(os.path.join(os.path.split(__file__)[0],
'floating_points.txt'), encoding="utf-8") as floats_file:
'mathdata',
'floating_points.txt'), encoding="utf-8") as floats_file:
for line in floats_file:
line = line.strip()
if not line or line.startswith('#'):
Expand Down Expand Up @@ -824,7 +829,7 @@ def test_short_repr(self):
'2.86438000439698e+28',
'8.89142905246179e+28',
'3.08578087079232e+35',
]
]

for s in test_strings:
negs = '-'+s
Expand Down Expand Up @@ -874,14 +879,14 @@ def test_overflow(self):
self.assertRaises(OverflowError, round, 1.6e308, -308)
self.assertRaises(OverflowError, round, -1.7e308, -308)

# TODO: RUSTPYTHON
@unittest.expectedFailure
@unittest.skipUnless(getattr(sys, 'float_repr_style', '') == 'short',
"applies only when using short float repr style")
# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_previous_round_bugs(self):
# particular cases that have occurred in bug reports
self.assertEqual(round(562949953421312.5, 1),
562949953421312.5)
562949953421312.5)
self.assertEqual(round(56294995342131.5, 3),
56294995342131.5)
# round-half-even
Expand All @@ -894,10 +899,10 @@ def test_previous_round_bugs(self):
self.assertEqual(round(85.0, -1), 80.0)
self.assertEqual(round(95.0, -1), 100.0)

# TODO: RUSTPYTHON
@unittest.expectedFailure
@unittest.skipUnless(getattr(sys, 'float_repr_style', '') == 'short',
"applies only when using short float repr style")
# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_matches_float_format(self):
# round should give the same results as float formatting
for i in range(500):
Expand Down Expand Up @@ -1131,7 +1136,7 @@ def test_invalid_inputs(self):
'0x1.\uff10p0',
'0x1p0 \n 0x2p0',
'0x1p0\0 0x1p0', # embedded null byte is not end of string
]
]
for x in invalid_inputs:
try:
result = fromHex(x)
Expand All @@ -1150,7 +1155,7 @@ def test_whitespace(self):
('1.0', 1.0),
('-0x.2', -0.125),
('-0.0', -0.0)
]
]
whitespace = [
'',
' ',
Expand All @@ -1160,7 +1165,7 @@ def test_whitespace(self):
'\f',
'\v',
'\r'
]
]
for inp, expected in value_pairs:
for lead in whitespace:
for trail in whitespace:
Expand Down Expand Up @@ -1510,4 +1515,4 @@ def __init__(self, value):


if __name__ == '__main__':
unittest.main()
unittest.main()
179 changes: 179 additions & 0 deletions Lib/test/test_winapi.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,179 @@
# Test the Windows-only _winapi module

import os
import pathlib
import random
import re
import threading
import time
import unittest
from test.support import import_helper, os_helper

_winapi = import_helper.import_module('_winapi', required_on=['win'])

MAXIMUM_WAIT_OBJECTS = 64
MAXIMUM_BATCHED_WAIT_OBJECTS = (MAXIMUM_WAIT_OBJECTS - 1) ** 2

class WinAPIBatchedWaitForMultipleObjectsTests(unittest.TestCase):
def _events_waitall_test(self, n):
evts = [_winapi.CreateEventW(0, False, False, None) for _ in range(n)]

with self.assertRaises(TimeoutError):
_winapi.BatchedWaitForMultipleObjects(evts, True, 100)

# Ensure no errors raised when all are triggered
for e in evts:
_winapi.SetEvent(e)
try:
_winapi.BatchedWaitForMultipleObjects(evts, True, 100)
except TimeoutError:
self.fail("expected wait to complete immediately")

# Choose 8 events to set, distributed throughout the list, to make sure
# we don't always have them in the first chunk
chosen = [i * (len(evts) // 8) for i in range(8)]

# Replace events with invalid handles to make sure we fail
for i in chosen:
old_evt = evts[i]
evts[i] = -1
with self.assertRaises(OSError):
_winapi.BatchedWaitForMultipleObjects(evts, True, 100)
evts[i] = old_evt


def _events_waitany_test(self, n):
evts = [_winapi.CreateEventW(0, False, False, None) for _ in range(n)]

with self.assertRaises(TimeoutError):
_winapi.BatchedWaitForMultipleObjects(evts, False, 100)

# Choose 8 events to set, distributed throughout the list, to make sure
# we don't always have them in the first chunk
chosen = [i * (len(evts) // 8) for i in range(8)]

# Trigger one by one. They are auto-reset events, so will only trigger once
for i in chosen:
with self.subTest(f"trigger event {i} of {len(evts)}"):
_winapi.SetEvent(evts[i])
triggered = _winapi.BatchedWaitForMultipleObjects(evts, False, 10000)
self.assertSetEqual(set(triggered), {i})

# Trigger all at once. This may require multiple calls
for i in chosen:
_winapi.SetEvent(evts[i])
triggered = set()
while len(triggered) < len(chosen):
triggered.update(_winapi.BatchedWaitForMultipleObjects(evts, False, 10000))
self.assertSetEqual(triggered, set(chosen))

# Replace events with invalid handles to make sure we fail
for i in chosen:
with self.subTest(f"corrupt event {i} of {len(evts)}"):
old_evt = evts[i]
evts[i] = -1
with self.assertRaises(OSError):
_winapi.BatchedWaitForMultipleObjects(evts, False, 100)
evts[i] = old_evt


# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_few_events_waitall(self):
self._events_waitall_test(16)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_many_events_waitall(self):
self._events_waitall_test(256)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_max_events_waitall(self):
self._events_waitall_test(MAXIMUM_BATCHED_WAIT_OBJECTS)


# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_few_events_waitany(self):
self._events_waitany_test(16)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_many_events_waitany(self):
self._events_waitany_test(256)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_max_events_waitany(self):
self._events_waitany_test(MAXIMUM_BATCHED_WAIT_OBJECTS)


class WinAPITests(unittest.TestCase):
# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_getlongpathname(self):
testfn = pathlib.Path(os.getenv("ProgramFiles")).parents[-1] / "PROGRA~1"
if not os.path.isdir(testfn):
raise unittest.SkipTest("require x:\\PROGRA~1 to test")

# pathlib.Path will be rejected - only str is accepted
with self.assertRaises(TypeError):
_winapi.GetLongPathName(testfn)

actual = _winapi.GetLongPathName(os.fsdecode(testfn))

# Can't assume that PROGRA~1 expands to any particular variation, so
# ensure it matches any one of them.
candidates = set(testfn.parent.glob("Progra*"))
self.assertIn(pathlib.Path(actual), candidates)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_getshortpathname(self):
testfn = pathlib.Path(os.getenv("ProgramFiles"))
if not os.path.isdir(testfn):
raise unittest.SkipTest("require '%ProgramFiles%' to test")

# pathlib.Path will be rejected - only str is accepted
with self.assertRaises(TypeError):
_winapi.GetShortPathName(testfn)

actual = _winapi.GetShortPathName(os.fsdecode(testfn))

# Should contain "PROGRA~" but we can't predict the number
self.assertIsNotNone(re.match(r".\:\\PROGRA~\d", actual.upper()), actual)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_namedpipe(self):
pipe_name = rf"\\.\pipe\LOCAL\{os_helper.TESTFN}"

# Pipe does not exist, so this raises
with self.assertRaises(FileNotFoundError):
_winapi.WaitNamedPipe(pipe_name, 0)

pipe = _winapi.CreateNamedPipe(
pipe_name,
_winapi.PIPE_ACCESS_DUPLEX,
8, # 8=PIPE_REJECT_REMOTE_CLIENTS
2, # two instances available
32, 32, 0, 0)
self.addCleanup(_winapi.CloseHandle, pipe)

# Pipe instance is available, so this passes
_winapi.WaitNamedPipe(pipe_name, 0)

with open(pipe_name, 'w+b') as pipe2:
# No instances available, so this times out
# (WinError 121 does not get mapped to TimeoutError)
with self.assertRaises(OSError):
_winapi.WaitNamedPipe(pipe_name, 0)

_winapi.WriteFile(pipe, b'testdata')
self.assertEqual(b'testdata', pipe2.read(8))

self.assertEqual((b'', 0), _winapi.PeekNamedPipe(pipe, 8)[:2])
pipe2.write(b'testdata')
pipe2.flush()
self.assertEqual((b'testdata', 8), _winapi.PeekNamedPipe(pipe, 8)[:2])
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