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annotate contrib/python-zstandard/tests/test_estimate_sizes.py @ 30830:08fa3a76a080

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zstd: prevent potential free() of uninitialized memory This is a cherry pick of an upstream fix. The free() of uninitialed memory could likely only occur if a malloc() inside zstd fails. The patched functions aren't currently used by Mercurial. But I don't like leaving footguns sitting around.
author Gregory Szorc <gregory.szorc@gmail.com>
date Tue, 17 Jan 2017 10:17:13 -0800
parents b86a448a2965
children c32454d69b85
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b86a448a2965 zstd: vendor python-zstandard 0.5.0
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1 try:
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2 import unittest2 as unittest
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3 except ImportError:
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4 import unittest
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5
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6 import zstd
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9 class TestSizes(unittest.TestCase):
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10 def test_decompression_size(self):
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11 size = zstd.estimate_decompression_context_size()
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12 self.assertGreater(size, 100000)
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13
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14 def test_compression_size(self):
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15 params = zstd.get_compression_parameters(3)
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16 size = zstd.estimate_compression_context_size(params)
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17 self.assertGreater(size, 100000)