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Add ZSTD_CCtx(Param)?_getParameter() function

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Closes #1096.
This commit is contained in:
Nick Terrell
2018-04-12 11:50:12 -07:00
parent 04212178b5
commit 280a236e9e
3 changed files with 149 additions and 0 deletions
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tests/fuzzer.c
+44
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@@ -117,6 +117,13 @@ static unsigned FUZ_highbit32(U32 v32)
#define CHECK(fn) { CHECK_V(err, fn); }
#define CHECKPLUS(var, fn, more) { CHECK_V(var, fn); more; }
#define CHECK_EQ(lhs, rhs) { \
if ((lhs) != (rhs)) { \
DISPLAY("Error L%u => %s != %s ", __LINE__, #lhs, #rhs); \
goto _output_error; \
} \
}
/*=============================================
* Memory Tests
@@ -394,6 +401,43 @@ static int basicUnitTests(U32 seed, double compressibility)
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3d : ZSTD_CCtx_getParameter() : ", testNb++);
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
ZSTD_outBuffer out = {NULL, 0, 0};
ZSTD_inBuffer in = {NULL, 0, 0};
unsigned value;
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_compressionLevel, &value));
CHECK_EQ(value, 3);
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_hashLog, &value));
CHECK_EQ(value, 0);
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_p_hashLog, ZSTD_HASHLOG_MIN));
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_compressionLevel, &value));
CHECK_EQ(value, 3);
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_hashLog, &value));
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_p_compressionLevel, 7));
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_compressionLevel, &value));
CHECK_EQ(value, 7);
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_hashLog, &value));
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
/* Start a compression job */
ZSTD_compress_generic(cctx, &out, &in, ZSTD_e_continue);
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_compressionLevel, &value));
CHECK_EQ(value, 7);
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_hashLog, &value));
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
/* Reset the CCtx */
ZSTD_CCtx_reset(cctx);
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_compressionLevel, &value));
CHECK_EQ(value, 7);
CHECK_Z(ZSTD_CCtx_getParameter(cctx, ZSTD_p_hashLog, &value));
CHECK_EQ(value, ZSTD_HASHLOG_MIN);
ZSTD_freeCCtx(cctx);
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3d : large window log smaller data : ", testNb++);
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
ZSTD_parameters params = ZSTD_getParams(1, ZSTD_CONTENTSIZE_UNKNOWN, 0);