8000 gh-101322: Ensure test_zlib.ZlibDecompressorTest runs, fix errors in ZlibDecompressor by rhpvorderman · Pull Request #101323 · python/cpython · GitHub
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gh-101322: Ensure test_zlib.ZlibDecompressorTest runs, fix errors in ZlibDecompressor #101323

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Merged
merged 2 commits into from
Feb 4, 2023
Merged

gh-101322: Ensure test_zlib.ZlibDecompressorTest runs, fix errors in ZlibDecompressor #101323

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48e6483
Ensure test_zlib.ZlibDecompressorTest actually runs, fix errors in Zl…
rhpvorderman Jan 25, 2023
e4b342b
Add blurb for _ZlibDecompressor error fix
rhpvorderman Jan 26, 2023
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Ensure test_zlib.ZlibDecompressorTest actually runs, fix errors in Zl… 
…ibDecompressor
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@rhpvorderman
rhpvorderman committed Jan 25, 2023
commit 48e648370f903f9b4d9d36bf519ac94afc32fa07
9 changes: 7 additions & 2 deletions Lib/test/test_zlib.py
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Expand Up @@ -944,13 +944,18 @@ def choose_lines(source, number, seed=None, generator=random):
"""


class ZlibDecompressorTest():
class ZlibDecompressorTest(unittest.TestCase):
# Test adopted from test_bz2.py
TEXT = HAMLET_SCENE
DATA = zlib.compress(HAMLET_SCENE)
BAD_DATA = b"Not a valid deflate block"
BIG_TEXT = DATA * ((128 * 1024 // len(DATA)) + 1)
BIG_DATA = zlib.compress(BIG_TEXT)

def test_Constructor(self):
self.assertRaises(TypeError, zlib._ZlibDecompressor, 42)
self.assertRaises(TypeError, zlib._ZlibDecompressor, "ASDA")
self.assertRaises(TypeError, zlib._ZlibDecompressor, -15, "notbytes")
self.assertRaises(TypeError, zlib._ZlibDecompressor, -15, b"bytes", 5)

def testDecompress(self):
zlibd = zlib._ZlibDecompressor()
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1 change: 1 addition & 0 deletions Modules/zlibmodule.c
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Expand Up @@ -1519,6 +1519,7 @@ decompress_buf(ZlibDecompressor *self, Py_ssize_t max_length)
}
} else if (err != Z_OK && err != Z_BUF_ERROR) {
zlib_error(state, self->zst, err, "while decompressing data");
goto error;
}

self->avail_in_real += self->zst.avail_in;
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0