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Diffstat (limited to 'tests/extmod/deflate_compress.py')
| -rw-r--r-- | tests/extmod/deflate_compress.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/extmod/deflate_compress.py b/tests/extmod/deflate_compress.py index 612af663e..981a986cb 100644 --- a/tests/extmod/deflate_compress.py +++ b/tests/extmod/deflate_compress.py @@ -146,3 +146,9 @@ for wbits in range(5, 10): next_len = len(result) print(next_len < prev_len and decompress(result, deflate.RAW, wbits) == buf) prev_len = next_len + +# Verify that compression is optimal: in the bytes below, the final "123" should be +# compressed by referencing the "123" just before it, and not the one all the way back +# at the start of the bytes. +compressed = compress(b"1234567890abcdefghijklmnopqrstuvwxyz123123", deflate.RAW) +print(len(compressed), compressed) |