summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_lzma.py
diff options
context:
space:
mode:
authorOren Milman <orenmn@gmail.com>2018-02-13 10:28:33 (GMT)
committerINADA Naoki <methane@users.noreply.github.com>2018-02-13 10:28:33 (GMT)
commitd019bc8319ea35e93bf4baa38098ff1b57cd3ee5 (patch)
treed9b927eba02059f8be8465d35b6969254b172b8e /Lib/test/test_lzma.py
parentaec7532ed3ccbd29d3429a3f375e25f956c44003 (diff)
downloadcpython-d019bc8319ea35e93bf4baa38098ff1b57cd3ee5.zip
cpython-d019bc8319ea35e93bf4baa38098ff1b57cd3ee5.tar.gz
cpython-d019bc8319ea35e93bf4baa38098ff1b57cd3ee5.tar.bz2
bpo-31787: Prevent refleaks when calling __init__() more than once (GH-3995)
Diffstat (limited to 'Lib/test/test_lzma.py')
-rw-r--r--Lib/test/test_lzma.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_lzma.py b/Lib/test/test_lzma.py
index d7a8576..3dc2c1e 100644
--- a/Lib/test/test_lzma.py
+++ b/Lib/test/test_lzma.py
@@ -4,6 +4,8 @@ import os
import pathlib
import pickle
import random
+import sys
+from test import support
import unittest
from test.support import (
@@ -364,6 +366,15 @@ class CompressorDecompressorTestCase(unittest.TestCase):
with self.assertRaises(TypeError):
pickle.dumps(LZMADecompressor(), proto)
+ @support.refcount_test
+ def test_refleaks_in_decompressor___init__(self):
+ gettotalrefcount = support.get_attribute(sys, 'gettotalrefcount')
+ lzd = LZMADecompressor()
+ refs_before = gettotalrefcount()
+ for i in range(100):
+ lzd.__init__()
+ self.assertAlmostEqual(gettotalrefcount() - refs_before, 0, delta=10)
+
class CompressDecompressFunctionTestCase(unittest.TestCase):