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added unit tests to ZSTD_compressSequencesAndLiterals()

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seems to work as expected,
correctly control that `litSize` and `srcSize` are exactly correct.
This commit is contained in:
Yann Collet 2024-12-11 16:13:22 -08:00
parent 14a21e43b3
commit 0b013b2688
4 changed files with 122 additions and 11 deletions
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7
lib/zstd.h
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@ -1666,17 +1666,18 @@ ZSTD_compressSequences(ZSTD_CCtx* cctx,
* This can be useful if the process generating the sequences also happens to generate the buffer of literals,
* thus skipping an extraction + caching stage.
* It's essentially a speed optimization when the right conditions are met,
* but it also is restricted by the following limitations:
* but it also features the following limitations:
* - Only supports explicit delimiter mode
* - Supports 1 block only (max input 128 KB)
* - Not compatible with frame checksum, which must disabled
* - Can fail when unable to compress sufficiently
* - Can fail (return an error) when input data cannot be compress sufficiently
* Also, to be valid, @litSize must be equal to the sum of all @.litLength fields in @inSeqs.
* @return : final compressed size, or a ZSTD error code.
*/
ZSTDLIB_STATIC_API size_t
ZSTD_compressSequencesAndLiterals(ZSTD_CCtx* cctx,
void* dst, size_t dstCapacity,
const ZSTD_Sequence* inSeqs, size_t inSeqsSize,
const ZSTD_Sequence* inSeqs, size_t nbSequences,
const void* literals, size_t litSize, size_t srcSize);