Issue #1159051: Back out a fix for handling corrupted gzip files that

broke backwards compatibility.

2 files changed, 0 insertions, 31 deletions

diff --git a/Lib/test/test_bz2.py b/Lib/test/test_bz2.py
index bcf80dc4a5..93f71fe6aa 100644
--- a/Lib/test/test_bz2.py
+++ b/Lib/test/test_bz2.py
@@ -292,24 +292,6 @@ class BZ2FileTest(BaseTest):
             self.assertRaises(ValueError, f.readline)
             self.assertRaises(ValueError, f.readlines)
 
-    def test_read_truncated(self):
-        # Drop the eos_magic field (6 bytes) and CRC (4 bytes).
-        truncated = self.DATA[:-10]
-        with open(self.filename, 'wb') as f:
-            f.write(truncated)
-        with BZ2File(self.filename) as f:
-            self.assertRaises(EOFError, f.read)
-        with BZ2File(self.filename) as f:
-            self.assertEqual(f.read(len(self.TEXT)), self.TEXT)
-            self.assertRaises(EOFError, f.read, 1)
-        # Incomplete 4-byte file header, and block header of at least 146 bits.
-        for i in range(22):
-            with open(self.filename, 'wb') as f:
-                f.write(truncated[:i])
-            with BZ2File(self.filename) as f:
-                self.assertRaises(EOFError, f.read, 1)
-
-
 class BZ2CompressorTest(BaseTest):
     def testCompress(self):
         # "Test BZ2Compressor.compress()/flush()"
diff --git a/Lib/test/test_gzip.py b/Lib/test/test_gzip.py
index b912576bcc..a4dfac4138 100644..100755
--- a/Lib/test/test_gzip.py
+++ b/Lib/test/test_gzip.py
@@ -365,19 +365,6 @@ class TestGzip(unittest.TestCase):
             datac = gzip.compress(data)
             self.assertEqual(gzip.decompress(datac), data)
 
-    def test_read_truncated(self):
-        data = data1*50
-        # Drop the CRC (4 bytes) and file size (4 bytes).
-        truncated = gzip.compress(data)[:-8]
-        with gzip.GzipFile(fileobj=io.BytesIO(truncated)) as f:
-            self.assertRaises(EOFError, f.read)
-        with gzip.GzipFile(fileobj=io.BytesIO(truncated)) as f:
-            self.assertEqual(f.read(len(data)), data)
-            self.assertRaises(EOFError, f.read, 1)
-        # Incomplete 10-byte header.
-        for i in range(2, 10):
-            with gzip.GzipFile(fileobj=io.BytesIO(truncated[:i])) as f:
-                self.assertRaises(EOFError, f.read, 1)
 
     def test_read_with_extra(self):
         # Gzip data with an extra field