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Update test_context from Cpython v3.11.2 #4805

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Merged
merged 1 commit into from
Apr 2, 2023
Merged

Update test_context from Cpython v3.11.2 #4805

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43 changes: 37 additions & 6 deletions Lib/test/test_context.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
import time
import unittest
import weakref
from test.support import threading_helper

try:
from _testcapi import hamt
Expand Down Expand Up @@ -379,6 +380,7 @@ def ctx2_fun():
# TODO: RUSTPYTHON
@unittest.expectedFailure
@isolated_context
@threading_helper.requires_working_threading()
def test_context_threads_1(self):
cvar = contextvars.ContextVar('cvar')

Expand All @@ -396,12 +398,6 @@ def sub(num):
tp.shutdown()
self.assertEqual(results, list(range(10)))

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_contextvar_getitem(self):
clss = contextvars.ContextVar
self.assertEqual(clss[str], clss)


# HAMT Tests

Expand Down Expand Up @@ -577,6 +573,41 @@ def test_hamt_collision_1(self):
self.assertEqual(len(h4), 2)
self.assertEqual(len(h5), 3)

def test_hamt_collision_3(self):
# Test that iteration works with the deepest tree possible.
# https://github.com/python/cpython/issues/93065

C = HashKey(0b10000000_00000000_00000000_00000000, 'C')
D = HashKey(0b10000000_00000000_00000000_00000000, 'D')

E = HashKey(0b00000000_00000000_00000000_00000000, 'E')

h = hamt()
h = h.set(C, 'C')
h = h.set(D, 'D')
h = h.set(E, 'E')

# BitmapNode(size=2 count=1 bitmap=0b1):
# NULL:
# BitmapNode(size=2 count=1 bitmap=0b1):
# NULL:
# BitmapNode(size=2 count=1 bitmap=0b1):
# NULL:
# BitmapNode(size=2 count=1 bitmap=0b1):
# NULL:
# BitmapNode(size=2 count=1 bitmap=0b1):
# NULL:
# BitmapNode(size=2 count=1 bitmap=0b1):
# NULL:
# BitmapNode(size=4 count=2 bitmap=0b101):
# <Key name:E hash:0>: 'E'
# NULL:
# CollisionNode(size=4 id=0x107a24520):
# <Key name:C hash:2147483648>: 'C'
# <Key name:D hash:2147483648>: 'D'

self.assertEqual({k.name for k in h.keys()}, {'C', 'D', 'E'})

def test_hamt_stress(self):
COLLECTION_SIZE = 7000
TEST_ITERS_EVERY = 647
Expand Down