mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-19 19:10:17 +00:00
32 lines
698 B
Python
32 lines
698 B
Python
try:
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import lz4
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except ImportError:
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print('lz4 is not enabled, skipping test...')
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exit()
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def test(data: bytes):
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compressed = lz4.compress(data)
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decompressed = lz4.decompress(compressed)
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assert data == decompressed
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return len(compressed) / len(data)
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test(b'')
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test(b'hello world')
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import random
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def gen_data():
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values = []
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for i in range(random.randint(0, 10000)):
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values.append(i % 256)
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return bytes(values)
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for i in range(100):
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ratio = test(gen_data())
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# print(f'compression ratio: {ratio:.2f}')
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# test 64MB random data (require 1GB list[int] buffer)
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rnd = [random.randint(0, 255) for _ in range(1024*1024*1024//16)]
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test(bytes(rnd))
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