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gh-108963: using random to generate unique string in sys.intern test (#109491)

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AN Long 2023-10-02 19:07:56 +08:00 • committed by GitHub
parent f16e81f368
commit 44b1e4ea48
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1 changed files with 3 additions and 10 deletions
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13
Lib/test/test_sys.py
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@ -5,6 +5,7 @@ import gc
import locale
import operator
import os
import random
import struct
import subprocess
import sys
@ -30,10 +31,6 @@ def requires_subinterpreters(meth):
'subinterpreters required')(meth)
# count the number of test runs, used to create unique
# strings to intern in test_intern()
INTERN_NUMRUNS = 0
DICT_KEY_STRUCT_FORMAT = 'n2BI2n'
class DisplayHookTest(unittest.TestCase):
@ -696,10 +693,8 @@ class SysModuleTest(unittest.TestCase):
self.assertEqual(sys.__stdout__.encoding, sys.__stderr__.encoding)
def test_intern(self):
global INTERN_NUMRUNS
INTERN_NUMRUNS += 1
self.assertRaises(TypeError, sys.intern)
s = "never interned before" + str(INTERN_NUMRUNS)
s = "never interned before" + str(random.randrange(0, 10**9))
self.assertTrue(sys.intern(s) is s)
s2 = s.swapcase().swapcase()
self.assertTrue(sys.intern(s2) is s)
@ -717,9 +712,7 @@ class SysModuleTest(unittest.TestCase):
@requires_subinterpreters
def test_subinterp_intern_dynamically_allocated(self):
global INTERN_NUMRUNS
INTERN_NUMRUNS += 1
s = "never interned before" + str(INTERN_NUMRUNS)
s = "never interned before" + str(random.randrange(0, 10**9))
t = sys.intern(s)
self.assertIs(t, s)