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More tests : random flushes

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This commit is contained in:
Yann Collet 2014-09-10 13:53:42 +01:00
parent 0400451ac2
commit ed4a6bf2cb
2 changed files with 15 additions and 4 deletions
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10
lz4frame.h
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@ -44,6 +44,10 @@
extern "C" { extern "C" {
#endif #endif
/****************************************
Note : experimental API.
Not yet integrated within lz4 library.
****************************************/
/************************************** /**************************************
Includes Includes
@ -58,9 +62,9 @@ typedef size_t LZ4F_errorCode_t;
typedef enum { OK_FrameEnd = 1 } LZ4F_successCodes; typedef enum { OK_FrameEnd = 1 } LZ4F_successCodes;
typedef enum { OK_NoError = 0, ERROR_GENERIC = 1, typedef enum { OK_NoError = 0, ERROR_GENERIC = 1,
ERROR_maxBlockSize_invalid, ERROR_blockMode_invalid, ERROR_contentChecksumFlag_invalid, ERROR_maxBlockSize_invalid, ERROR_blockMode_invalid, ERROR_contentChecksumFlag_invalid,
ERROR_srcSize_tooLarge, ERROR_dstMaxSize_tooSmall,
ERROR_allocation_failed,
ERROR_compressionLevel_invalid, ERROR_compressionLevel_invalid,
ERROR_allocation_failed,
ERROR_srcSize_tooLarge, ERROR_dstMaxSize_tooSmall,
ERROR_checksum_invalid, ERROR_checksum_invalid,
ERROR_maxCode ERROR_maxCode
} LZ4F_errorCodes; /* error codes are negative unsigned values. } LZ4F_errorCodes; /* error codes are negative unsigned values.
@ -80,7 +84,7 @@ typedef enum { noContentChecksum=0, contentChecksumEnabled } contentChecksum_t;
typedef struct { typedef struct {
blockSizeID_t blockSizeID; /* max64KB, max256KB, max1MB, max4MB ; 0 == default */ blockSizeID_t blockSizeID; /* max64KB, max256KB, max1MB, max4MB ; 0 == default */
blockMode_t blockMode; /* blockLinked, blockIndependent ; 0 == default */ blockMode_t blockMode; /* blockLinked, blockIndependent ; 0 == default */
contentChecksum_t contentChecksumFlag; /* contentChecksumEnabled (default), noContentChecksum ; */ contentChecksum_t contentChecksumFlag; /* noContentChecksum, contentChecksumEnabled ; 0 == default */
unsigned reserved[3]; unsigned reserved[3];
} LZ4F_frameInfo_t; } LZ4F_frameInfo_t;

9
programs/frametest.c
View File

@ -356,7 +356,7 @@ _output_error:
} }
static const U32 srcDataLength = 4 MB; static const U32 srcDataLength = 9 MB; /* needs to be > 2x4MB to test large blocks */
int fuzzerTests(U32 seed, unsigned nbTests, unsigned startTest, double compressibility) int fuzzerTests(U32 seed, unsigned nbTests, unsigned startTest, double compressibility)
{ {
@ -419,11 +419,18 @@ int fuzzerTests(U32 seed, unsigned nbTests, unsigned startTest, double compressi
unsigned nbBitsSeg = FUZ_rand(&randState) % maxBits; unsigned nbBitsSeg = FUZ_rand(&randState) % maxBits;
size_t iSize = (FUZ_rand(&randState) & ((1<<nbBitsSeg)-1)) + 1; size_t iSize = (FUZ_rand(&randState) & ((1<<nbBitsSeg)-1)) + 1;
size_t oSize = oend-op; size_t oSize = oend-op;
unsigned forceFlush = ((FUZ_rand(&randState) & 3) == 1);
if (iSize > (size_t)(iend-ip)) iSize = iend-ip; if (iSize > (size_t)(iend-ip)) iSize = iend-ip;
result = LZ4F_compress(cCtx, op, oSize, ip, iSize, NULL); result = LZ4F_compress(cCtx, op, oSize, ip, iSize, NULL);
CHECK(LZ4F_isError(result), "Compression failed (error %i)", (int)result); CHECK(LZ4F_isError(result), "Compression failed (error %i)", (int)result);
op += result; op += result;
ip += iSize; ip += iSize;
if (forceFlush)
{
result = LZ4F_flush(cCtx, op, oend-op, NULL);
CHECK(LZ4F_isError(result), "Compression failed (error %i)", (int)result);
op += result;
}
} }
result = LZ4F_compressEnd(cCtx, op, oend-op, NULL); result = LZ4F_compressEnd(cCtx, op, oend-op, NULL);
CHECK(LZ4F_isError(result), "Compression completion failed (error %i)", (int)result); CHECK(LZ4F_isError(result), "Compression completion failed (error %i)", (int)result);