sharpetronics/zstd
1
0
Fork 0
mirror of https://github.com/facebook/zstd.git synced 2025-10-06 00:04:13 -04:00
Code Issues Projects Releases Wiki Activity

Add mem monotonicity test over srcSize

Browse Source
This commit is contained in:
Sen Huang 2021-03-16 08:22:13 -07:00
parent e50f88ca4c
commit b9dd821441
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
tests/fuzzer.c
View File

@ -3181,6 +3181,31 @@ static int basicUnitTests(U32 const seed, double compressibility)
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : check compression mem usage monotonicity over srcSize : ", testNb++);
{
size_t const kSizeIncrement = 2 KB;
int level = -3;
for (; level <= ZSTD_maxCLevel(); ++level) {
size_t dictSize = 0;
for (; dictSize <= 256 KB; dictSize += 8 * kSizeIncrement) {
size_t srcSize = 2 KB;
size_t prevCCtxSize = 0;
for (; srcSize < 300 KB; srcSize += kSizeIncrement) {
ZSTD_compressionParameters const cParams = ZSTD_getCParams(level, srcSize, dictSize);
size_t const cctxSize = ZSTD_estimateCCtxSize_usingCParams(cParams);
if (cctxSize < prevCCtxSize || ZSTD_isError(cctxSize)) {
DISPLAYLEVEL(3, "error! level: %d dictSize: %zu srcSize: %zu cctx size: %zu, prevsize: %zu\n",
level, dictSize, srcSize, cctxSize, prevCCtxSize);
goto _output_error;
}
prevCCtxSize = cctxSize;
}
}
}
}
DISPLAYLEVEL(3, "OK \n");
#endif
_end: