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import os
import sys
import textwrap
import subprocess
def test_WeakValueDictionary_len(tmpdir):
src = textwrap.dedent("""
from weakref import WeakValueDictionary
class Foo:
pass
N = 1000
D = WeakValueDictionary()
for i in range(N):
D[i] = Foo()
for i in range(10):
x = len(D)
print('OK')
""")
testfile = tmpdir.join('testfile.py')
testfile.write(src)
#
# by setting a very small PYPY_GC_NURSERY value, we force running a minor
# collection inside WeakValueDictionary.__len__. We just check that the
# snippet above completes correctly, instead of raising "dictionary
# changed size during iteration"
env = {'PYPY_GC_NURSERY': '1k'}
env['PATH'] = os.environ.get("PATH")
subprocess.run([sys.executable, str(testfile)], env=env, check=True)
def test_WeakKeyDictionary_len(tmpdir):
src = textwrap.dedent("""
from weakref import WeakKeyDictionary
class Foo:
pass
N = 1000
D = WeakKeyDictionary()
for i in range(N):
D[Foo()] = i
for i in range(10):
x = len(D)
print('OK')
""")
testfile = tmpdir.join('testfile.py')
testfile.write(src)
#
# by setting a very small PYPY_GC_NURSERY value, we force running a minor
# collection inside WeakValueDictionary.__len__. We just check that the
# snippet above completes correctly, instead of raising "dictionary
# changed size during iteration"
env = {'PYPY_GC_NURSERY': '1k'}
env['PATH'] = os.environ.get("PATH")
subprocess.run([sys.executable, str(testfile)], env=env, check=True)
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