Remove test

Author: StanFromIreland

Lib/test/test_bz2.py

@@ -13,7 +13,7 @@
 import shutil
 import subprocess
 import threading
-from test.support import import_helper, script_helper
+from test.support import import_helper
 from test.support import threading_helper
 from test.support.os_helper import unlink, FakePath
 from compression._common import _streams
@@ -936,35 +936,6 @@ def testPickle(self):
             with self.assertRaises(TypeError):
                 pickle.dumps(BZ2Decompressor(), proto)
 
-    def test_decompressor_reuse_after_tail_copy_memory_error(self):
-        import_helper.import_module("_testcapi")
-        code = """if 1:
-            import _testcapi
-            import bz2
-
-            data = bz2.compress(b"S" * (1 << 20))
-            for skip in range(1, 500):
-                d = bz2.BZ2Decompressor()
-                try:
-                    _testcapi.set_nomemory(skip, skip + 1)
-                    try:
-                        d.decompress(data, max_length=0)
-                    except MemoryError:
-                        pass
-                    else:
-                        continue
-                finally:
-                    _testcapi.remove_mem_hooks()
-                if d.needs_input:
-                    continue
-                try:
-                    d.decompress(b"B" * 64, max_length=0)
-                except Exception:
-                    pass
-                break
-        """
-        script_helper.assert_python_ok("-c", code)
-
     def testDecompressorChunksMaxsize(self):
         bzd = BZ2Decompressor()
         max_length = 100

Lib/test/test_lzma.py

@@ -8,7 +8,7 @@
 import unittest
 from compression._common import _streams
 
-from test.support import _4G, bigmemtest, script_helper
+from test.support import _4G, bigmemtest
 from test.support.import_helper import import_module
 from test.support.os_helper import (
     TESTFN, unlink, FakePath
@@ -383,35 +383,6 @@ def test_uninitialized_LZMADecompressor_crash(self):
         self.assertEqual(LZMADecompressor.__new__(LZMADecompressor).
                          decompress(bytes()), b'')
 
-    def test_decompressor_reuse_after_tail_copy_memory_error(self):
-        import_module("_testcapi")
-        code = """if 1:
-            import _testcapi
-            import lzma
-
-            data = lzma.compress(b"S" * (1 << 20))
-            for skip in range(1, 500):
-                d = lzma.LZMADecompressor()
-                try:
-                    _testcapi.set_nomemory(skip, skip + 1)
-                    try:
-                        d.decompress(data, max_length=0)
-                    except MemoryError:
-                        pass
-                    else:
-                        continue
-                finally:
-                    _testcapi.remove_mem_hooks()
-                if d.needs_input:
-                    continue
-                try:
-                    d.decompress(b"B" * 64, max_length=0)
-                except Exception:
-                    pass
-                break
-        """
-        script_helper.assert_python_ok("-c", code)
-
 
 class CompressDecompressFunctionTestCase(unittest.TestCase):
 

Lib/test/test_zlib.py

@@ -1,6 +1,6 @@
 import unittest
 from test import support
-from test.support import import_helper, script_helper
+from test.support import import_helper
 import binascii
 import copy
 import pickle
@@ -1207,35 +1207,6 @@ def test_failure(self):
         # Previously, a second call could crash due to internal inconsistency
         self.assertRaises(Exception, zlibd.decompress, self.BAD_DATA * 30)
 
-    def test_decompressor_reuse_after_tail_copy_memory_error(self):
-        import_helper.import_module("_testcapi")
-        code = """if 1:
-            import _testcapi
-            import zlib
-
-            data = zlib.compress(b"S" * (1 << 20))
-            for skip in range(1, 500):
-                d = zlib._ZlibDecompressor()
-                try:
-                    _testcapi.set_nomemory(skip, skip + 1)
-                    try:
-                        d.decompress(data, max_length=0)
-                    except MemoryError:
-                        pass
-                    else:
-                        continue
-                finally:
-                    _testcapi.remove_mem_hooks()
-                if d.needs_input:
-                    continue
-                try:
-                    d.decompress(b"B" * 64, max_length=0)
-                except Exception:
-                    pass
-                break
-        """
-        script_helper.assert_python_ok("-c", code)
-
     @support.refcount_test
     def test_refleaks_in___init__(self):
         gettotalrefcount = support.get_attribute(sys, 'gettotalrefcount')